CN206349519U - Load tap changer - Google Patents

Load tap changer Download PDF

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Publication number
CN206349519U
CN206349519U CN201621430804.6U CN201621430804U CN206349519U CN 206349519 U CN206349519 U CN 206349519U CN 201621430804 U CN201621430804 U CN 201621430804U CN 206349519 U CN206349519 U CN 206349519U
Authority
CN
China
Prior art keywords
aluminium
fixed part
projection
cylindrical
cylindric fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621430804.6U
Other languages
Chinese (zh)
Inventor
张明久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Branch Electric Co Ltd
Original Assignee
Hefei Branch Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Branch Electric Co Ltd filed Critical Hefei Branch Electric Co Ltd
Priority to CN201621430804.6U priority Critical patent/CN206349519U/en
Application granted granted Critical
Publication of CN206349519U publication Critical patent/CN206349519U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to transformer technology field, more particularly to a kind of load tap changer.A kind of load tap changer of the present utility model, including:Copper sleeve portion and aluminium joint portion;Copper sleeve portion includes cylindrical portion body and projection, and cylindrical portion body sets fluted, and copper rod is provided with groove, and aluminium joint portion includes cylindrical connecting portion and cylindric fixed part;Cylindric fixed part is provided with ladder hole, and cylindric fixed end surface is provided with cell body, and the end thread that projection stretches out in ladder hole is connected with aluminium connecting plate, and aluminium connecting plate is provided with aluminium connecting pole, and cylindric fixed part is provided with screw counter bore and screw hole;The end face of cylindric fixed part is provided with interior silicone gasket and outer silicone gasket;Pass through the aluminium joint portion that copper sleeve portion is set and is connected with copper sleeve portion so that load tap changer does not need the welding of additional aluminum strip, you can realize the welding with aluminum coil, and connection is reliable, it is easy to operate.

Description

Load tap changer
Technical field
The utility model is related to transformer technology field, more particularly to a kind of load tap changer.
Background technology
Transformer is one of power plant and the capital equipment of electric substation, and load tap changer is the important composition in transformer In part, existing load tap changer, because coil is aluminum coil, existing copper sleeve needs additional aluminum strip to weld, The welding with aluminum coil could be realized, and connects unreliable, operation inconvenience, therefore, it is necessary to a kind of load tap changer is provided, To solve the above problems.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of load tap changer, to solve existing transformer point Joint needs additional aluminum strip to weld, and could realize the welding with aluminum coil, and connect unreliable, unhandy problem.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of load tap changer, including:Copper sleeve portion and the aluminium joint portion being connected with the copper sleeve portion;The copper connects Head include cylindrical portion body and with the integrally formed projection of cylindrical portion body, the projection and the cylindrical portion body are same Axle, and the diameter of the projection is less than the cylindrical portion body;End face of the cylindrical portion body away from projection sets fluted, Be provided with the groove with the integrally formed copper rod of cylindrical portion body, the copper rod and the cylindrical portion body are coaxial; The aluminium joint portion include cylindrical connecting portion and with the integrally formed cylindric fixed part of the cylindrical connecting portion, the circle Column fixed part and the cylindrical connecting portion are coaxial, and the diameter of the cylindric fixed part is more than the cylindrical connecting portion Diameter;The cylindric fixed part is provided with ladder hole, the shape of the ladder hole and the shape in the copper sleeve portion It is adapted, cushion rubber bumper is provided with the ladder hole, the cushion rubber bumper is in contact with the end face of the cylindrical portion body; The end of the projection stretches out in the ladder hole;The cylindric fixed end surface is provided with to be connected with the ladder hole Cell body, the cell body is cylindrical, and the cell body and the ladder hole, and the copper sleeve portion are coaxial;The groove The diameter of body is more than the diameter of the cylindrical portion body;The end thread that the projection stretches out in the ladder hole is connected with aluminium The periphery of the projection is provided with aluminium connecting pole, the aluminium connecting plate and the aluminium joint in connecting plate, the aluminium connecting plate Connected between portion by the aluminium connecting pole, the end of the aluminium connecting pole stretches out in the aluminium connecting plate;It is described cylindric solid Determine the portion correspondence cell body periphery and be provided with screw counter bore and the screw hole connected with the screw counter bore;The cylindric fixation The periphery of the peripheral and described screw hole of the end face correspondence cell body in portion is respectively equipped with flange, and the flange outer sides are set respectively It is equipped with interior silicone gasket and outer silicone gasket;The cross section of the interior silicone gasket be rectangle, the outer silicone gasket it is transversal Face is right-angled trapezium.
The peripheral flange of the peripheral and described screw hole of the end face correspondence cell body of the cylindric fixed part Thickness is equal.
The thickness of the interior silicone gasket and outer silicone gasket is equal, and the width of the interior silicone gasket is more than outside described The width of silicone gasket.
The utility model is had the advantage that with effect:
A kind of load tap changer of the present utility model, including:Copper sleeve portion and the aluminium joint portion being connected with copper sleeve portion; Copper sleeve portion include cylindrical portion body and with the integrally formed projection of cylindrical portion body, projection and cylindrical portion body are coaxial and convex The diameter of post is less than cylindrical portion body;End face of the cylindrical portion body away from projection sets fluted, is provided with groove and cylinder The integrally formed copper rod of portion's body, copper rod and cylindrical portion body are coaxial;Aluminium joint portion include cylindrical connecting portion and with it is cylindric The integrally formed cylindric fixed part of connecting portion, cylindric fixed part and cylindrical connecting portion are coaxial, and cylindric fixed part Diameter is more than the diameter of cylindrical connecting portion;Cylindric fixed part is provided with ladder hole, the shape and copper sleeve of ladder hole The shape in portion is adapted, and cushion rubber bumper is provided with ladder hole, and cushion rubber bumper is in contact with the end face of cylindrical portion body;Projection End stretch out in ladder hole;Cylindric fixed end surface is provided with the cell body connected with ladder hole, and cell body is cylindrical, And cell body and ladder hole, and copper sleeve portion are coaxial;The diameter of cell body is more than the diameter of cylindrical portion body;Projection stretches out in rank The end thread of terraced through hole is connected with aluminium connecting plate, aluminium connecting plate and the periphery of projection is provided with aluminium connecting pole, aluminium connecting plate It is connected between aluminium joint portion by aluminium connecting pole, the end of aluminium connecting pole stretches out in aluminium connecting plate;Cylindric fixed part correspondence Cell body periphery is provided with screw counter bore and the screw hole connected with screw counter bore;Outside the end face correspondence cell body of cylindric fixed part Enclose and the periphery of screw hole is respectively equipped with flange, flange outer sides are respectively arranged with interior silicone gasket and outer silicone gasket;Interior silicon The cross section of rubber gasket is rectangle, and the cross section of outer silicone gasket is right-angled trapezium;By setting copper sleeve portion and and copper sleeve The aluminium joint portion of portion's connection so that load tap changer does not need the welding of additional aluminum strip, you can realize the weldering with aluminum coil Connect, and connection is reliable, it is easy to operate.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of load tap changer of the present utility model;
Fig. 2 is the close-up schematic view of the a-quadrant of load tap changer of the present utility model.
In figure:Copper sleeve portion 1, aluminium joint portion 2, cylindrical portion body 3, projection 4, groove 5, copper rod 6, cushion rubber bumper 7, cylinder Shape connecting portion 8, cylindric fixed part 9, cell body 10, have aluminium connecting pole 11, screw hole 12, screw counter bore 13, interior silicone gasket 14th, outer silicone gasket 15, aluminium connecting plate 16.
Embodiment
As shown in Figure 1 to Figure 2, the utility model provides a kind of load tap changer, including:Copper sleeve portion 1 and with it is described The aluminium joint portion 2 that copper sleeve portion 1 is connected;The copper sleeve portion 1 includes cylindrical portion body 3 and integral with the cylindrical portion body 3 The projection 4 of shaping, the projection 4 and the cylindrical portion body 3 are coaxial, and the diameter of the projection 4 is less than the cylindrical portion sheet Body 3;End face of the cylindrical portion body 3 away from projection 4, which is set in fluted 5, the groove 5, to be provided with and the cylindrical portion sheet The integrally formed copper rod 6 of body 3, the copper rod 6 and the cylindrical portion body 3 are coaxial, and copper rod 6 can be used for wiring.The aluminium joint Portion 2 include cylindrical connecting portion 8 and with the integrally formed cylindric fixed part 9 of the cylindrical connecting portion 8, it is described cylindric solid Determine portion 9 and the cylindrical connecting portion 8 is coaxial, and the diameter of the cylindric fixed part 9 is more than the cylindrical connecting portion 8 Diameter;The cylindric fixed part 9 is provided with ladder hole, the shape of the ladder hole and the shape in the copper sleeve portion 1 It is adapted, cushion rubber bumper 7 is provided with the ladder hole, the cushion rubber bumper 7 connects with the end face of the cylindrical portion body 3 Touch, be arranged between copper sleeve portion 1 and aluminium joint portion 2;The end of the projection 4 stretches out in the ladder hole;The cylinder The end face of shape fixed part 9 is provided with the cell body 10 connected with the ladder hole, and the cell body 10 is cylindrical, and the cell body 10 It is coaxial with the ladder hole, and the copper sleeve portion 1;The diameter of the cell body 10 is more than the straight of the cylindrical portion body 3 Footpath;The end thread that the projection 4 stretches out in the ladder hole is connected with aluminium connecting plate 16, the aluminium connecting plate 16 in institute The periphery for stating projection 4 is provided with aluminium connecting pole 11, is connected between the aluminium connecting plate 16 and the aluminium joint portion 2 by the aluminium Post 11 is connected, and the end of the aluminium connecting pole 11 stretches out in the aluminium connecting plate 16, and aluminium connecting pole 11 can be used for wiring;It is described The cylindric correspondence of fixed part 9 periphery of cell body 10 is provided with screw counter bore 13 and the screw hole connected with the screw counter bore 13 12, screw hole 12 can be used for setting screw, mutually be fixed with other equipment;The end face correspondence groove of the cylindric fixed part 9 The periphery of the peripheral and described screw hole 12 of body 10 is respectively equipped with flange, and the flange outer sides are respectively arranged with interior silicone gasket 14 and outer silicone gasket 15;The cross section of the interior silicone gasket 14 is rectangle, and the cross section of the outer silicone gasket 15 is straight Angle is trapezoidal.The peripheral and described screw hole 12 of the end face correspondence cell body 10 of the cylindric fixed part 9 it is peripheral convex The thickness of edge is equal.The interior silicone gasket 14 is equal with the thickness of outer silicone gasket 15, and the width of the interior silicone gasket 14 Width of the degree more than the outer silicone gasket 15.
The utility model is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining that this practicality is new Type, and it is not intended that to limitation of the present utility model.

Claims (3)

1. a kind of load tap changer, it is characterised in that including:Copper sleeve portion (1) and the aluminium being connected with the copper sleeve portion (1) Connector portions (2);The copper sleeve portion (1) include cylindrical portion body (3) and with the integrally formed projection of the cylindrical portion body (3) (4), the projection (4) and the cylindrical portion body (3) coaxially, and the diameter of the projection (4) is less than the cylindrical portion body (3);End face of the cylindrical portion body (3) away from projection (4) sets fluted (5), be provided with the groove (5) with it is described Cylindrical portion body (3) integrally formed copper rod (6), the copper rod (6) and the cylindrical portion body (3) are coaxial;The aluminium joint Portion (2) include cylindrical connecting portion (8) and with the integrally formed cylindric fixed part (9) of the cylindrical connecting portion (8), it is described Cylindric fixed part (9) and the cylindrical connecting portion (8) coaxially, and the cylindric fixed part (9) diameter be more than it is described The diameter of cylindrical connecting portion (8);The cylindric fixed part (9) is provided with ladder hole, the shape of the ladder hole with The shape of the copper sleeve portion (1) is adapted, and is provided with cushion rubber bumper (7) in the ladder hole, the cushion rubber bumper (7) with The end face of the cylindrical portion body (3) is in contact;The end of the projection (4) stretches out in the ladder hole;It is described cylindric Fixed part (9) end face is provided with the cell body (10) connected with the ladder hole, and the cell body (10) is cylindrical, and the groove Body (10) and the ladder hole, and the copper sleeve portion (1) are coaxial;The diameter of the cell body (10) is more than the cylindrical portion The diameter of body (3);The end thread that the projection (4) stretches out in the ladder hole is connected with aluminium connecting plate (16), described The periphery of the projection (4) is provided with aluminium connecting pole (11), the aluminium connecting plate (16) and the aluminium in aluminium connecting plate (16) Connected between connector portions (2) by the aluminium connecting pole (11), the end of the aluminium connecting pole (11) stretches out in the aluminium connection Plate (16);The cylindric fixed part (9) correspondence cell body (10) periphery be provided with screw counter bore (13) and with the screw The screw hole (12) of counterbore (13) connection;The periphery of the end face correspondence cell body (10) of the cylindric fixed part (9) and The periphery of the screw hole (12) is respectively equipped with flange, and the flange outer sides are respectively arranged with interior silicone gasket (14) and outer silica gel Packing ring (15);The cross section of the interior silicone gasket (14) is rectangle, and the cross section of the outer silicone gasket (15) is right angle ladder Shape.
2. a kind of load tap changer according to claim 1, it is characterised in that the end of the cylindric fixed part (9) The thickness of the peripheral flange of the peripheral and described screw hole (12) of the face correspondence cell body (10) is equal.
3. a kind of load tap changer according to claim 2, it is characterised in that the interior silicone gasket (14) and outer silicon The thickness of rubber gasket (15) is equal, and width of the width more than the outer silicone gasket (15) of the interior silicone gasket (14).
CN201621430804.6U 2016-12-23 2016-12-23 Load tap changer Expired - Fee Related CN206349519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621430804.6U CN206349519U (en) 2016-12-23 2016-12-23 Load tap changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621430804.6U CN206349519U (en) 2016-12-23 2016-12-23 Load tap changer

Publications (1)

Publication Number Publication Date
CN206349519U true CN206349519U (en) 2017-07-21

Family

ID=59317458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621430804.6U Expired - Fee Related CN206349519U (en) 2016-12-23 2016-12-23 Load tap changer

Country Status (1)

Country Link
CN (1) CN206349519U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170721

Termination date: 20211223

CF01 Termination of patent right due to non-payment of annual fee