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CN-224203916-U - Connecting device of transformer and transformer assembly

CN224203916UCN 224203916 UCN224203916 UCN 224203916UCN-224203916-U

Abstract

The utility model discloses a connecting device of a transformer and a transformer assembly, wherein the connecting device comprises: the device comprises a first connecting piece, a second connecting piece, a clamping piece and a pre-tightening piece. The first connecting piece is fixedly connected with the mounting base, the second connecting piece is fixedly connected with the transformer, the clamping piece clamps the first connecting piece and the second connecting piece along a first direction, the pretension piece compresses the clamping piece along the first direction, and the first connecting piece and the second connecting piece can move along a second direction relative to the clamping piece. The clamping piece and the pre-tightening piece limit the first connecting piece and the second connecting piece along a first direction to realize connection of the transformer and the installation foundation, the first connecting piece and the second connecting piece can move along a second direction respectively to realize movement of the transformer and the installation foundation in the second direction so as to adapt to relative movement of the transformer and the installation foundation in the earthquake process, and friction force in movement of the first connecting piece and the second connecting piece is utilized to weaken earthquake energy, so that the earthquake resistance of the connecting device is improved.

Inventors

  • WANG LIZHONG
  • BAI JIANPIN
  • HU XIAOYUN
  • LI XIANG
  • LIU YINGYING
  • FAN HEQUN

Assignees

  • 特变电工股份有限公司新疆变压器厂
  • 特变电工智能电气有限责任公司
  • 特变电工京津冀智能科技有限公司

Dates

Publication Date
20260505
Application Date
20250605

Claims (10)

  1. 1. A connection device for a transformer, comprising: -a first connection member (302), the first connection member (302) being configured to be fixedly connected with the mounting base (200); -a second connection (303), the second connection (303) being configured to be fixedly connected with the transformer (100); -a clamping member configured to clamp the first connection member (302) and the second connection member (303) in a first direction; -a pretensioning member (304), the pretensioning member (304) being configured to press the clamping member in the first direction, the clamping member clamping the first and second connection members (302, 303), the first and second connection members (302, 303) being movable relative to the clamping member in a second direction, the first direction being an arrangement direction of the mounting base (200) and the transformer (100), the second direction intersecting the first direction.
  2. 2. The connection device of a transformer according to claim 1, characterized in that the first connection piece (302) and the second connection piece (303) are arranged in the second direction; the clamping piece comprises an upper pressing plate (305) and a lower pressing plate (306); The upper pressing plate (305) and the lower pressing plate (306) are arranged along the first direction, the upper pressing plate (305) is located on the upper surfaces of the first connecting piece (302) and the second connecting piece (303) along the first direction, and the lower pressing plate (306) is located on the lower surfaces of the first connecting piece (302) and the second connecting piece (303) along the first direction.
  3. 3. The connection device of a transformer according to claim 2, characterized in that at least one of between the upper pressure plate (305) and the upper surface of the first connection member (302) and between the upper pressure plate (305) and the upper surface of the second connection member (303) is provided with a friction plate (307).
  4. 4. A connection device of a transformer according to claim 2 or 3, characterized in that at least one of between the lower pressure plate (306) and the lower surface of the first connection member (302) and between the lower pressure plate (306) and the lower surface of the second connection member (303) is provided with a friction plate (307).
  5. 5. The connection device of a transformer according to claim 4, characterized in that the first connection member (302) has a first through hole (3023), at least part of the pre-tightening member (304) extends through the first through hole (3023), and the first through hole (3023) has a larger dimension in the second direction than the pre-tightening member (304); And/or the number of the groups of groups, The second connecting piece (303) is provided with a second through hole (3033), at least part of the pre-tightening piece (304) penetrates through the second through hole (3033), and the size of the second through hole (3033) along the second direction is larger than the size of the pre-tightening piece (304) along the second direction.
  6. 6. The connection device of a transformer according to claim 5, characterized in that the first through hole (3023) and the second through hole (3033) are round holes, the pre-tightening member (304) is a threaded connection, and the pre-tightening member (304) is threaded with the clamping member; The first through hole (3023) and the second through hole (3033) each have a diameter greater than the diameter of the pretensioning member (304).
  7. 7. A connection device of a transformer according to any one of claims 1 to 3, characterized in that the first connection member (302) and the second connection member (303) are each L-shaped plates; And the pretensioner (304) clamps one section of the L-shaped plate, the other section of the first connecting piece (302) is configured to be fixedly connected with the mounting base (200) of the transformer, and the other section of the second connecting piece (303) is configured to be fixedly connected with the transformer (100).
  8. 8. A transformer assembly comprising a transformer (100), a mounting base (200) and a connection device (300), the connection device (300) being a connection device according to any one of claims 1 to 7.
  9. 9. The transformer assembly according to claim 8, wherein a connection plate (201) is embedded in the installation base (200), the connection device (300) is installed on the connection plate (201), and a first connection piece (302) of the connection device (300) is welded with the connection plate (201).
  10. 10. The transformer assembly of claim 8, wherein a bottom surface of the transformer (100) is bonded to the mounting base (200), and a position where the bottom surface of the transformer (100) is bonded to the mounting base (200) is sandblasted.

Description

Connecting device of transformer and transformer assembly Technical Field The utility model relates to the technical field of transformers, in particular to a connecting device of a transformer and a transformer assembly. Background The core function of the transformer is to realize voltage conversion (step-up or step-down), current conversion, impedance matching and electrical isolation, and the transformer is widely applied to the fields of power transmission, industrial equipment power supply, medical treatment and the like, and ensures that the electric energy is efficiently and safely adapted to different requirements. At present, a transformer is usually fixedly arranged, if an application scene of the transformer encounters an earthquake, a rigid connection part of the transformer may be broken, so that the transformer is shifted or inclined, and the problem of secondary disasters such as fire, power failure, water failure and the like caused by the damage of the transformer exists. Therefore, how to improve the anti-vibration performance of the transformer is a technical problem to be solved by those skilled in the art. Disclosure of utility model In view of the above, the present utility model provides a connection device for a transformer, which improves the anti-seismic performance of the transformer. In addition, the utility model also provides a transformer assembly with the connecting device of the transformer. In order to achieve the above purpose, the present utility model provides the following technical solutions: A connection device of a transformer comprises a first connection piece, a second connection piece, a clamping piece and a pretensioning piece, wherein the first connection piece is configured to be fixedly connected with a mounting base, the second connection piece is configured to be fixedly connected with the transformer, the clamping piece is configured to clamp the first connection piece and the second connection piece along a first direction, the pretensioning piece is configured to press the clamping piece along the first direction, the clamping piece clamps the first connection piece and the second connection piece, the first connection piece and the second connection piece can move along a second direction relative to the clamping piece, and the first direction is the arrangement direction of the mounting base and the transformer, and the second direction is intersected with the first direction. Preferably, in the connecting device of the transformer, the first connecting piece and the second connecting piece are arranged along the second direction, the clamping piece comprises an upper pressing plate and a lower pressing plate, the upper pressing plate and the lower pressing plate are arranged along the first direction, the upper pressing plate is located on the upper surface of the first connecting piece and the upper surface of the second connecting piece along the first direction, and the lower pressing plate is located on the lower surface of the first connecting piece and the lower surface of the second connecting piece along the first direction. Preferably, in the connecting device for a transformer, a friction plate is disposed between at least one of the upper pressing plate and the upper surface of the first connecting member and between the upper pressing plate and the upper surface of the second connecting member. Preferably, in the connecting device for a transformer, a friction plate is disposed between at least one of the lower pressing plate and the lower surface of the first connecting member and between the lower pressing plate and the lower surface of the second connecting member. Preferably, in the connecting device of a transformer, the first connecting piece has a first through hole, at least part of the pre-tightening piece penetrates through the first through hole, and the size of the first through hole along the second direction is larger than the size of the pre-tightening piece along the second direction, and/or the second connecting piece has a second through hole, at least part of the pre-tightening piece penetrates through the second through hole, and the size of the second through hole along the second direction is larger than the size of the pre-tightening piece along the second direction. Preferably, in the connecting device of the transformer, the first through hole and the second through hole are round holes, the pre-tightening piece is a threaded connecting piece and is in threaded connection with the clamping piece, and the diameters of the first through hole and the second through hole are larger than the diameter of the pre-tightening piece. Preferably, in the connecting device of the transformer, the first connecting piece and the second connecting piece are both L-shaped plates, the pretensioner clamps one section of the L-shaped plates, the other section of the first connecting piece is configured to be fixedly connected with a m