CN210325460U - Transformer core clamping device with shielding plate - Google Patents

Transformer core clamping device with shielding plate Download PDF

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Publication number
CN210325460U
CN210325460U CN201921360691.0U CN201921360691U CN210325460U CN 210325460 U CN210325460 U CN 210325460U CN 201921360691 U CN201921360691 U CN 201921360691U CN 210325460 U CN210325460 U CN 210325460U
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CN
China
Prior art keywords
plate
shielding plate
shielding
reinforcing
paperboard
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Withdrawn - After Issue
Application number
CN201921360691.0U
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Chinese (zh)
Inventor
吴杰
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.)
Liaoning Efacec Electrical Equipment Co ltd
Original Assignee
Liaoning Efacec Electrical Equipment Co ltd
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Publication date
Application filed by Liaoning Efacec Electrical Equipment Co ltd filed Critical Liaoning Efacec Electrical Equipment Co ltd
Priority to CN201921360691.0U priority Critical patent/CN210325460U/en
Application granted granted Critical
Publication of CN210325460U publication Critical patent/CN210325460U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A transformer core clamping device with a shielding plate relates to the field of transformers. The transformer core clamping device is mainly designed for solving the problem that the insulation distance from a lead wire and a sleeve voltage-sharing ball to a clamping piece of the existing transformer core clamping device is long. The steel plate lifting device comprises a reinforcing plate, wherein the upper end and the lower end of the reinforcing plate are respectively provided with an upper steel plate and a lower steel plate of a clamping piece, and a cross beam is arranged between the two steel plates of the lifting shaft; the upper steel plate of the clamp is connected with the steel plate of the hanging shaft, and the lower steel plate of the clamp is connected with the pressing nail through the pressing nail screw rod. The shielding plate is arranged outside the reinforcing plate facing the sleeve pressure equalizing ball, the aluminum stranded wires are wrapped on the outer edge of the shielding plate, crepe paper is arranged outside the aluminum stranded wires, the white cloth belt sequentially penetrates through the first holes of the shielding plate and then fixes the aluminum stranded wires, and the shielding plate paperboard on the outer side of the shielding plate is composed of three layers of paperboards and supporting strips. The shielding board paper board and the shielding board are bound together through a white cloth tape. The shielding plate is provided with a connecting plate, and the unthreaded hole on the connecting plate is sleeved on the spot welding threaded rod on the reinforcing plate and then screwed down by a nut. The advantage is that the insulation distance from the equalizing ball of the lead and the sleeve to the clamping piece can be reduced.

Description

Transformer core clamping device with shielding plate
The technical field is as follows:
the utility model relates to a transformer field specifically relates to a take transformer core clamping device of shield plate.
Background art:
the transformer iron core clamping device is used for bearing clamping force, gravity of a lifting device body and mechanical force generated when a transformer is in short circuit, and also has the functions of compressing a coil, supporting a lead wire and positioning the device body.
The invention content is as follows:
the utility model discloses the technical problem that will solve compresses tightly can the reinforce, can reduce lead wire and sleeve pipe voltage-sharing ball to the transformer core clamping device of taking the shield plate of folder insulation distance.
The above object is achieved by: the steel plate clamping device comprises two reinforcing plates, two groove-shaped hanging shaft steel plates welded by steel plates, and a cross beam connected between the two hanging shaft steel plates; the upper steel plate of the clamping piece on each reinforcing plate is connected with the steel plate of the hanging shaft, and the lower steel plate of the clamping piece on each reinforcing plate is connected with the pressing nail through the pressing nail screw rod.
The hanger shaft steel plate, the cross beam and the reinforcing plate are combined into a frame, and the iron core is arranged in the frame.
A shielding plate is arranged outside the reinforcing plate facing one side of the sleeve pressure equalizing ball, and a spot welding threaded rod is fixed on the reinforcing plate at the side;
the shielding plate be located the outside of reinforcing plate, the outward flange package of shielding plate has the aluminium stranded conductor, aluminium stranded conductor outside parcel has the wrinkle paper, the shielding plate is equipped with the first hole of a plurality of near the position department of outward flange all around, the white strap is fixed with the aluminium stranded conductor after the heliciform passes every first hole in proper order, the white strap stretches into a first downthehole from the back of shielding plate promptly, openly stretches out from the shielding plate, then stretch into next first downthehole from the back of shielding plate after the aluminium stranded conductor outside that the parcel has the wrinkle paper, analogize to this, until all first holes of process. And after binding, the white cloth belt and the aluminum stranded wire completely cover the side surface of the shielding plate. The butt joint of the aluminum stranded wires is butted by an STT-120 aluminum pipe, and one stranded wire at the butt joint is connected to a connecting plate of the shielding plate by an STD-35 cable head to be grounded.
Each corner of the shielding plate is provided with a second hole;
the outer side of the shielding plate is provided with a shielding plate paperboard, the shielding plate paperboard is composed of three layers of paperboards with the thickness of 2 mm and supporting strips, the shapes of the three layers of paperboards are the same, a lower supporting strip is arranged between each corner of the lower layer paperboard and each corner of the middle layer paperboard, a plurality of upper supporting strips are arranged between the middle layer paperboard and the upper layer paperboard, and the upper supporting strips are positioned right above the lower supporting strips; through holes penetrating through the whole shielding plate paperboard are drilled on the upper layer paperboard above each upper stay; i.e. the through holes are located in the corners of the shield plate cardboard, respectively. The shield plate paperboard and the shield plate have the same shape.
The shielding plate paper board and the shielding plate are bound together through a plurality of white cloth belts, namely, each white cloth belt respectively extends into the corresponding hole at each corner of the shielding plate and the shielding paper board and then is bound.
The shielding plate has two connecting plates towards the reinforcing plate one side, has the unthreaded hole on the connecting plate, and the unthreaded hole cover on the connecting plate realizes being connected of shielding plate and reinforcing plate after the spot welding threaded rod on the reinforcing plate, screws up with the nut. The reinforcing plate faces the iron core side, and the shielding plate paperboard faces the equalizing ball side.
The utility model has the advantages that: in order to improve the short circuit resistance of the iron core clamping device, a thick steel plate is welded into a groove-shaped hanging shaft steel plate, and a reinforcing plate is welded on the inner side of the groove-shaped hanging shaft steel plate and serves as a supporting function of a lead wire clamp. In order to solve the problem of sharp corners, the shielding plate is arranged on the reinforcing plate, so that the insulation distance from the lead and the sleeve voltage-sharing ball to the clamping piece can be reduced, and the cost of the transformer is reduced.
Description of the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front view of the shielding plate of the present invention;
fig. 3 is a schematic side view of the shielding plate of the present invention;
fig. 4 is a schematic top view of the shielding plate of the present invention;
FIG. 5 is a schematic view of the winding state of the white cloth belt and the aluminum stranded wire of the shielding plate of the present invention;
fig. 6 is a schematic front view of the shield board of the present invention;
fig. 7 is a schematic side view of the shield board of the present invention;
fig. 8 is a schematic front view of the installation state of the present invention, in which fig. 19 is an oil tank and fig. 20 is a high voltage bushing;
fig. 9 is a schematic side view of the installation state of the present invention, in which fig. 19 is an oil tank and fig. 20 is a high voltage bushing.
The specific implementation mode is as follows:
the present invention will be further described with reference to FIGS. 1-9;
the steel plate clamp comprises two reinforcing plates 1, an upper clamp steel plate 2 is welded at the upper ends of the two reinforcing plates, a lower clamp steel plate 3 is welded at the lower ends of the two reinforcing plates, the steel plate clamp also comprises two groove-shaped hanging shaft steel plates 4 welded by steel plates, and a cross beam 5 is connected between the two hanging shaft steel plates; the upper steel plate of the clamp on each reinforcing plate is connected with the steel plate of the hanging shaft, and the lower steel plate of the clamp on each reinforcing plate is connected with the pressing nail 7 through the pressing nail screw 6.
The hanger shaft steel plate, the cross beam and the reinforcing plate are combined into a frame, and the iron core 8 is arranged in the frame.
A shielding plate 9 is arranged outside the reinforcing plate facing one side of the sleeve pressure equalizing ball, and a spot welding threaded rod 10 is fixed on the reinforcing plate at the side;
the shielding plate be located the outside of reinforcing plate, the outward flange package of shielding plate has aluminium stranded conductor 11, aluminium stranded conductor outside parcel has cockle paper 12, the shielding plate is equipped with the first hole 13 of a plurality of near the position department of outward flange all around, white strap 15 heliciform passes behind every first hole in proper order and fixes aluminium stranded conductor, white strap stretches into a first downthehole from the back of shielding plate promptly, openly stretches out from the shielding plate, then stretch into next first downthehole from the back of shielding plate after the aluminium stranded conductor outside that the parcel has cockle paper, analogize with this, until all first holes of process. And after binding, the white cloth belt and the aluminum stranded wire completely cover the side surface of the shielding plate. The butt joint of the aluminum stranded wires is butted by an STT-120 aluminum pipe, and one stranded wire at the butt joint is connected to the connecting plate 17 of the shielding plate by an STD-35 cable head to be grounded.
Each corner of the shield plate is provided with a second aperture 16;
the outer side of the shielding plate is provided with a shielding plate paperboard 14, the shielding plate paperboard is composed of three layers of paperboards with thickness of 2 mm and supporting strips, the shapes of the three layers of paperboards are the same, a lower supporting strip 142 is arranged between each corner of the lower layer paperboard 141 and each corner of the middle layer paperboard, a plurality of upper supporting strips 145 are arranged between the middle layer paperboard 143 and the upper layer paperboard 144, and the upper supporting strips are positioned right above the lower supporting strips; a through hole 146 penetrating through the whole shielding board paperboard is punched on the upper layer paperboard above each upper stay; i.e. the through holes are located in the corners of the shield plate cardboard, respectively. The shield plate paperboard and the shield plate have the same shape.
The shielding plate paper board and the shielding plate are bound together through a plurality of white cloth belts, namely, each white cloth belt respectively extends into the corresponding hole at each corner of the shielding plate and the shielding paper board and then is bound.
The shielding plate has two connecting plates 17 towards the reinforcing plate one side, has unthreaded hole 18 on the connecting plate, and the unthreaded hole cover on the connecting plate realizes being connected of shielding plate and reinforcing plate after the spot welding threaded rod on the reinforcing plate is screwed up with the nut. The reinforcing plate faces the iron core side, and the shielding plate paperboard faces the equalizing ball side.

Claims (1)

1. The utility model provides a take transformer core clamping device of shield plate, includes two reinforcing plates (1), and steel sheet (2) on the folder have all been welded to the upper end of two reinforcing plates, and steel sheet (3) under the folder have all been welded to two reinforcing plate lower extremes, characterized by: the steel plate-welded; the upper steel plate of the clamp on each reinforcing plate is connected with the steel plate of the hanging shaft, and the lower steel plate of the clamp on each reinforcing plate is connected with a pressing nail (7) through a pressing nail screw rod (6);
the hanging shaft steel plate, the cross beam and the reinforcing plate are combined into a frame, and the iron core (8) is arranged in the frame;
a shielding plate (9) is arranged outside the reinforcing plate facing one side of the sleeve pressure equalizing ball, and a spot welding threaded rod (10) is fixed on the reinforcing plate at the side;
the shielding plate is positioned on the outer side of the reinforcing plate, aluminum stranded wires (11) wrap the outer edge of the shielding plate, crepe paper (12) wraps the outer surface of each aluminum stranded wire, a plurality of first holes (13) are formed in the positions, close to the outer edge, of the periphery of the shielding plate, white cloth belts (15) sequentially and spirally penetrate through each first hole to fix the aluminum stranded wires, two connecting plates (17) are arranged on one surfaces, facing the reinforcing plate, of the shielding plate, unthreaded holes (18) are formed in the connecting plates, and the unthreaded holes in the connecting plates are sleeved on spot welding threaded rods on the reinforcing plate and then screwed down by nuts to achieve connection of the shielding plate and the reinforcing plate;
the butt joint of the aluminum stranded wires is butted by an STT-120 aluminum pipe, and one stranded wire at the butt joint is connected to a connecting plate of the shielding plate by an STD-35 cable head to be grounded;
each corner of the shield plate is provided with a second hole (16);
the outer side of the shielding plate is provided with a shielding plate paperboard (14), the shielding plate paperboard is composed of three layers of paperboards and supporting strips which are the same in shape, a lower supporting strip (142) is arranged between each corner of the lower layer paperboard (141) and each corner of the middle layer paperboard, a plurality of upper supporting strips (145) are arranged between the middle layer paperboard (143) and the upper layer paperboard (144), and the upper supporting strips are positioned right above the lower supporting strips; punching through holes (146) penetrating through the whole shielding board paperboard on the upper layer paperboard above each upper stay; namely, the through holes are respectively positioned at the corners of the shielding board paperboard;
the shielding plate paper board and the shielding plate are bound together through a plurality of white cloth belts, namely, each white cloth belt respectively extends into the corresponding hole at each corner of the shielding plate and the shielding paper board and then is bound.
CN201921360691.0U 2019-08-21 2019-08-21 Transformer core clamping device with shielding plate Withdrawn - After Issue CN210325460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921360691.0U CN210325460U (en) 2019-08-21 2019-08-21 Transformer core clamping device with shielding plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921360691.0U CN210325460U (en) 2019-08-21 2019-08-21 Transformer core clamping device with shielding plate

Publications (1)

Publication Number Publication Date
CN210325460U true CN210325460U (en) 2020-04-14

Family

ID=70130993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921360691.0U Withdrawn - After Issue CN210325460U (en) 2019-08-21 2019-08-21 Transformer core clamping device with shielding plate

Country Status (1)

Country Link
CN (1) CN210325460U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110415941A (en) * 2019-08-21 2019-11-05 辽宁易发式电气设备有限公司 A kind of transformer iron core clamp with barricade
CN110415941B (en) * 2019-08-21 2024-05-14 辽宁易发式电气设备有限公司 Transformer core clamping device with shielding plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110415941A (en) * 2019-08-21 2019-11-05 辽宁易发式电气设备有限公司 A kind of transformer iron core clamp with barricade
CN110415941B (en) * 2019-08-21 2024-05-14 辽宁易发式电气设备有限公司 Transformer core clamping device with shielding plate

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Transformer iron core clamping device with shielding plate

Effective date of registration: 20220129

Granted publication date: 20200414

Pledgee: Shengjing Bank Co.,Ltd. Liaoyang Branch

Pledgor: LIAONING EFACEC ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: Y2022210000007

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220921

Granted publication date: 20200414

Pledgee: Shengjing Bank Co.,Ltd. Liaoyang Branch

Pledgor: LIAONING EFACEC ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: Y2022210000007

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A Transformer Core Clamping Device with Shielding Plate

Effective date of registration: 20220929

Granted publication date: 20200414

Pledgee: Shengjing Bank Co.,Ltd. Liaoyang Branch

Pledgor: LIAONING EFACEC ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: Y2022210000156

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230925

Granted publication date: 20200414

Pledgee: Shengjing Bank Co.,Ltd. Liaoyang Branch

Pledgor: LIAONING EFACEC ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: Y2022210000156

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A Transformer Core Clamping Device with Shielding Plate

Effective date of registration: 20230928

Granted publication date: 20200414

Pledgee: Shengjing Bank Co.,Ltd. Liaoyang Branch

Pledgor: LIAONING EFACEC ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: Y2023210000248

AV01 Patent right actively abandoned

Granted publication date: 20200414

Effective date of abandoning: 20240514

AV01 Patent right actively abandoned

Granted publication date: 20200414

Effective date of abandoning: 20240514