CN112436296A - Connecting and pressing device for connecting hole of voltage transformer - Google Patents

Connecting and pressing device for connecting hole of voltage transformer Download PDF

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Publication number
CN112436296A
CN112436296A CN202011225174.XA CN202011225174A CN112436296A CN 112436296 A CN112436296 A CN 112436296A CN 202011225174 A CN202011225174 A CN 202011225174A CN 112436296 A CN112436296 A CN 112436296A
Authority
CN
China
Prior art keywords
plate
pressing plate
pressing
voltage transformer
connecting hole
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.)
Pending
Application number
CN202011225174.XA
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Chinese (zh)
Inventor
吴现周
任云超
常春
刘平安
李红武
王正红
刘峰
崔广涛
吴宗杰
吴玲芝
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.)
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Jiyuan Power Supply Co of State Grid Henan Electric Power 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 Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN202011225174.XA priority Critical patent/CN112436296A/en
Publication of CN112436296A publication Critical patent/CN112436296A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/38Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/42Clamping area to one side of screw only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/24Voltage transformers
    • H01F38/26Constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention belongs to the technical field of connecting and pressing devices, and particularly relates to a connecting and pressing device for a connecting hole of a voltage transformer; the wire pressing device comprises a connecting plate pressing part and a wire pressing part; the connecting plate pressing part comprises a rear pressing plate and a front pressing plate, the right ends of the rear pressing plate and the front pressing plate are both connected with connecting end plates, the connecting end plates are rotatably connected through connecting pin shafts, the left ends of the rear pressing plate and the front pressing plate are both connected with locking end plates, the two locking end plates are connected through locking connecting pairs, and the rear pressing plate and the front pressing plate are both provided with threading holes; the wire pressing part comprises a top plate, a movable pressing plate and a fixed pressing plate, the top plate and the fixed pressing plate are both fixedly arranged on the connecting plate pressing part, the middle part of the top plate is in threaded connection with a pressing bolt, and the end part of the pressing bolt is connected to the movable pressing plate in a transfer manner; the connecting device is reasonable in structure and convenient to operate and use, can effectively assist the connection of the connecting holes of the voltage transformer, compresses the connection of the wires and the connecting holes, and improves the connection quality and efficiency.

Description

Connecting and pressing device for connecting hole of voltage transformer
Technical Field
The invention belongs to the technical field of connecting and pressing devices, and particularly relates to a connecting and pressing device for a connecting hole of a voltage transformer.
Background
The voltage transformer is similar to a transformer, is an instrument for transforming voltage, is mainly used for supplying power to a measuring instrument and a relay protection device, is used for measuring the voltage, the power and the electric energy of a line, or is used for protecting valuable equipment, a motor and a transformer in the line when the line fails; the voltage transformer is used for converting high voltage into standard secondary voltage of 100V or lower level according to a proportional relation, and is used for protection, metering and instrument devices, and meanwhile, the high voltage can be isolated from electrical workers; before the voltage transformer is put into operation, test inspection is carried out according to items specified by regulations, such as polarity measurement, connection group, shaking insulation, phase sequence checking and the like, when the voltage transformer is tested, connection of connecting holes is needed, a lead is directly connected with the connecting holes in a connecting plate in a conventional method, poor contact is easy to occur, and a test result is influenced, so that the connection pressing device for the connecting holes of the voltage transformer is necessary.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a connecting and pressing device for a voltage transformer connecting hole, which has a reasonable structure and is convenient to operate and use, and can effectively assist the connection of the voltage transformer connecting hole so as to improve the connection quality and efficiency.
The purpose of the invention is realized as follows: the voltage transformer connecting hole is used for connecting a pressing device, and the voltage transformer connecting hole comprises a connecting plate pressing part and a wire pressing part; the connecting plate pressing part comprises a rear pressing plate and a front pressing plate, the right ends of the rear pressing plate and the front pressing plate are fixedly connected with connecting end plates, the connecting end plates are rotatably connected through connecting pin shafts, the left ends of the rear pressing plate and the front pressing plate are fixedly connected with locking end plates, the two locking end plates are connected through locking connecting pairs, and the rear pressing plate and the front pressing plate are provided with threading holes; the wire pressing portion is arranged on the front side and the rear side of the connecting plate pressing portion and comprises a top plate, a movable pressing plate and a fixed pressing plate, the top plate and the fixed pressing plate are fixedly arranged on the connecting plate pressing portion, a pressing bolt is in threaded connection with the middle of the top plate, and the end portion of the pressing bolt is rotatably connected to the movable pressing plate.
The right end of the rear pressing plate is fixedly connected with two connecting end plates, and the right end of the front pressing plate is fixedly connected with one connecting end plate.
And a compression spring is arranged between the two locking end plates and sleeved outside the locking connection pair.
The inner side surfaces of the rear pressing plate and the front pressing plate are both provided with grooves, and backing plates are arranged in the grooves.
The middle parts of the top surface and the bottom surface of the top plate are respectively provided with a first connecting boss, and the compression bolt penetrates through the first connecting bosses and is in threaded connection with the first connecting bosses.
And a second connecting boss is arranged in the middle of the top surface of the movable pressing plate, and the compression bolt is rotatably connected with the movable pressing plate through the second connecting boss.
The middle parts of the movable pressing plate and the fixed pressing plate are arc-shaped concave plates.
And a guide rod is arranged between the top plate and the fixed pressing plate, penetrates through the movable pressing plate and is in sliding connection with the movable pressing plate.
The invention has the beneficial effects that: the connecting and pressing device for the voltage transformer connecting hole mainly comprises a connecting plate pressing part and a wire pressing part, wherein the connecting plate pressing part comprises a front pressing plate and a rear pressing plate, the front pressing plate and the rear pressing plate are rotatably connected through a connecting end plate, the connecting plate of the voltage transformer is clamped between the front pressing plate and the rear pressing plate and is pressed through a locking connecting pair and a locking end plate, and the connecting hole in the connecting plate of the voltage transformer is aligned with a threading hole; a lead passes through the threading hole and the connecting hole on the voltage transformer connecting plate through a gap between the movable pressing plate and the fixed pressing plate, and the pressing bolt is screwed to drive the movable pressing plate to move downwards so as to press the lead; the connecting and pressing device for the voltage transformer connecting hole is reasonable in structure and convenient to operate and use, can effectively assist in connecting the voltage transformer connecting hole, presses a wire and the connecting hole, and improves connecting quality and efficiency.
Drawings
Fig. 1 is a schematic front view of a connecting and compressing device for a voltage transformer connecting hole according to the present invention.
Fig. 2 is a left side view structural schematic diagram of the connection pressing device for the connection hole of the voltage transformer.
Fig. 3 is a schematic top view of the connection pressing device for the connection hole of the voltage transformer of the present invention.
In the figure: 1. the wire drawing device comprises a threading hole 2, a front pressing plate 3, a locking end plate 4, a locking connection pair 5, a connecting plate pressing part 6, a wire pressing part 7, a pressing bolt 8, a first connection boss 9, a top plate 10, a second connection boss 11, a guide rod 12, a movable pressing plate 13, a connection end plate 14, a connection pin shaft 15, a fixed pressing plate 16, a compression spring 17, a backing plate 18 and a rear pressing plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the connecting hole of the voltage transformer is used for connecting a pressing device, which comprises a connecting plate pressing part 5 and a lead pressing part 6; the connecting plate pressing part 5 comprises a rear pressing plate 18 and a front pressing plate 2, the right ends of the rear pressing plate 18 and the front pressing plate 2 are fixedly connected with connecting end plates 13, the connecting end plates 13 are rotatably connected through connecting pin shafts 14, the left ends of the rear pressing plate 18 and the front pressing plate 2 are fixedly connected with locking end plates 3, the two locking end plates 3 are connected through locking connecting pairs 4, and threading holes 1 are formed in the rear pressing plate 18 and the front pressing plate 2; wire clamping portion 6 is all provided with around connecting plate clamping portion 5 both sides wire clamping portion 6, wire clamping portion 6 includes roof 9, removal clamp plate 12 and fixed pressing plate 15, roof 9 with fixed pressing plate 15 all fixed set up in on connecting plate clamping portion 5, roof 9 middle part threaded connection has clamp bolt 7, the tip of clamp bolt 7 rotate connect in remove clamp plate 12.
The connecting and pressing device for the voltage transformer connecting hole mainly comprises a connecting plate pressing part 5 and a wire pressing part 6, wherein the connecting plate pressing part 5 comprises a front pressing plate 2 and a rear pressing plate 18, the front pressing plate 2 and the rear pressing plate 18 are rotatably connected through a connecting end plate 13, the connecting plate of the voltage transformer is clamped between the front pressing plate 2 and the rear pressing plate 18 and is pressed tightly through a locking connecting pair 4 and a locking end plate 3, and the connecting hole in the connecting plate of the voltage transformer is aligned with a threading hole 1; a lead passes through the threading hole 1 and the connecting hole on the voltage transformer connecting plate through a gap between the movable pressing plate 12 and the fixed pressing plate 15, the pressing bolt 7 is screwed, the movable pressing plate 12 is driven to move downwards, and the lead is pressed tightly; the connecting and pressing device for the voltage transformer connecting hole is reasonable in structure and convenient to operate and use, can effectively assist in connecting the voltage transformer connecting hole, presses a wire and the connecting hole, and improves connecting quality and efficiency.
Example 2
As shown in fig. 1-3, the connecting hole of the voltage transformer is used for connecting a pressing device, which comprises a connecting plate pressing part 5 and a lead pressing part 6; the connecting plate pressing part 5 comprises a rear pressing plate 18 and a front pressing plate 2, the right ends of the rear pressing plate 18 and the front pressing plate 2 are fixedly connected with connecting end plates 13, the connecting end plates 13 are rotatably connected through connecting pin shafts 14, the left ends of the rear pressing plate 18 and the front pressing plate 2 are fixedly connected with locking end plates 3, the two locking end plates 3 are connected through locking connecting pairs 4, and threading holes 1 are formed in the rear pressing plate 18 and the front pressing plate 2; wire clamping portion 6 is all provided with around connecting plate clamping portion 5 both sides wire clamping portion 6, wire clamping portion 6 includes roof 9, removal clamp plate 12 and fixed pressing plate 15, roof 9 with fixed pressing plate 15 all fixed set up in on connecting plate clamping portion 5, roof 9 middle part threaded connection has clamp bolt 7, the tip of clamp bolt 7 rotate connect in remove clamp plate 12.
For better effect, the right-hand member fixedly connected with of back clamp plate 18 is two connect end plate 13, the right-hand member fixedly connected with of preceding clamp plate 2 is one connect end plate 13, two on the back clamp plate 18 connect end plate 13 clamp on the preceding clamp plate 2 connect the outside of end plate 13, make back clamp plate 18 with rotation between the preceding clamp plate 2 is connected more stably.
For better effect, two be provided with compression spring 16 between the locking end plate 3, compression spring 16 cover is established the vice 4 outsides of locking connection is not hard up during the vice 4 of locking connection, under compression spring 16's elastic force effect, preceding clamp plate 2 with back clamp plate 18 looks alternate segregation is convenient for the tight operation of clamp to voltage transformer's connecting plate.
For better effect, the inner side surfaces of the rear pressing plate 18 and the front pressing plate 2 are provided with grooves, the grooves are internally provided with backing plates 17, and the voltage transformer connecting plates with different sizes can be effectively clamped by replacing the backing plates 17 with different sizes.
For better effect, the middle parts of the top surface and the bottom surface of the top plate 9 are both provided with a first connecting boss 8, the compression bolt 7 penetrates through the first connecting boss 8 and is in threaded connection with the first connecting boss 8, the length of the threaded connection is lengthened, and the stability of the threaded connection is effectively improved.
For better effect, a second connecting boss 10 is arranged in the middle of the top surface of the movable pressing plate 12, the pressing bolt 7 is rotatably connected with the movable pressing plate 12 through the second connecting boss 10, and the rotary connection is conveniently realized through boss connection.
For better effect, the middle parts of the movable pressing plate 12 and the fixed pressing plate 15 are arc-shaped concave plates, so that the wires can be stably and effectively clamped.
In order to achieve better effect, a guide rod 11 is arranged between the top plate 9 and the fixed pressing plate 15, the guide rod 11 penetrates through the movable pressing plate 12 and is in sliding connection with the movable pressing plate, and stability of the movable pressing plate 12 in moving and clamping a wire is improved through guiding and limiting of the guide rod 11.
The connecting and pressing device for the voltage transformer connecting hole mainly comprises a connecting plate pressing part 5 and a wire pressing part 6, wherein the connecting plate pressing part 5 comprises a front pressing plate 2 and a rear pressing plate 18, the front pressing plate 2 and the rear pressing plate 18 are rotatably connected through a connecting end plate 13, the connecting plate of the voltage transformer is clamped between the front pressing plate 2 and the rear pressing plate 18 and is pressed tightly through a locking connecting pair 4 and a locking end plate 3, and the connecting hole in the connecting plate of the voltage transformer is aligned with a threading hole 1; a lead passes through the threading hole 1 and the connecting hole on the voltage transformer connecting plate through a gap between the movable pressing plate 12 and the fixed pressing plate 15, the pressing bolt 7 is screwed, the movable pressing plate 12 is driven to move downwards, and the lead is pressed tightly; the connecting and pressing device for the voltage transformer connecting hole is reasonable in structure and convenient to operate and use, can effectively assist in connecting the voltage transformer connecting hole, presses a wire and the connecting hole, and improves connecting quality and efficiency.

Claims (8)

1. The voltage transformer connecting hole is with connecting closing device, its characterized in that: the device comprises a connecting plate pressing part (5) and a lead pressing part (6); the connecting plate pressing part (5) comprises a rear pressing plate (18) and a front pressing plate (2), the right ends of the rear pressing plate (18) and the front pressing plate (2) are fixedly connected with connecting end plates (13), the connecting end plates (13) are rotatably connected through connecting pin shafts (14), the left ends of the rear pressing plate (18) and the front pressing plate (2) are fixedly connected with locking end plates (3), the two locking end plates (3) are connected through locking connecting pairs (4), and the rear pressing plate (18) and the front pressing plate (2) are provided with threading holes (1); both sides all are provided with around connecting plate clamping portion (5) wire clamping portion (6), wire clamping portion (6) include roof (9), moving pressing plate (12) and fixed pressing plate (15), roof (9) with fixed pressing plate (15) all fixed set up in on connecting plate clamping portion (5), roof (9) middle part threaded connection has clamp bolt (7), the tip of clamp bolt (7) rotate connect in moving pressing plate (12).
2. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: the right end of back clamp plate (18) fixedly connected with two connect end plate (13), the right end fixedly connected with one of preceding clamp plate (2) connect end plate (13).
3. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: and a compression spring (16) is arranged between the two locking end plates (3), and the compression spring (16) is sleeved outside the locking connection pair (4).
4. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: grooves are formed in the inner side faces of the rear pressing plate (18) and the front pressing plate (2), and backing plates (17) are arranged in the grooves.
5. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: the middle parts of the top surface and the bottom surface of the top plate (9) are respectively provided with a first connecting boss (8), and the compression bolt (7) penetrates through the first connecting bosses (8) and is in threaded connection with the first connecting bosses.
6. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: the middle part of the top surface of the movable pressing plate (12) is provided with a second connecting boss (10), and the pressing bolt (7) is rotatably connected with the movable pressing plate (12) through the second connecting boss (10).
7. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: the middle parts of the movable pressing plate (12) and the fixed pressing plate (15) are arc concave plates.
8. The connecting and pressing device for the connecting hole of the voltage transformer as claimed in claim 1, wherein: a guide rod (11) is arranged between the top plate (9) and the fixed pressing plate (15), and the guide rod (11) penetrates through the movable pressing plate (12) and is in sliding connection with the movable pressing plate.
CN202011225174.XA 2020-11-05 2020-11-05 Connecting and pressing device for connecting hole of voltage transformer Pending CN112436296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011225174.XA CN112436296A (en) 2020-11-05 2020-11-05 Connecting and pressing device for connecting hole of voltage transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011225174.XA CN112436296A (en) 2020-11-05 2020-11-05 Connecting and pressing device for connecting hole of voltage transformer

Publications (1)

Publication Number Publication Date
CN112436296A true CN112436296A (en) 2021-03-02

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ID=74695358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011225174.XA Pending CN112436296A (en) 2020-11-05 2020-11-05 Connecting and pressing device for connecting hole of voltage transformer

Country Status (1)

Country Link
CN (1) CN112436296A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257518A (en) * 2021-06-04 2021-08-13 杭州科德磁业有限公司 Water-cooling annular orientation magnetizing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257518A (en) * 2021-06-04 2021-08-13 杭州科德磁业有限公司 Water-cooling annular orientation magnetizing equipment

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