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CN-224216741-U - Rotatable cover plate for transformer experiment insulation platform

CN224216741UCN 224216741 UCN224216741 UCN 224216741UCN-224216741-U

Abstract

The utility model discloses a rotatable cover plate for an insulating platform for transformer experiments, which comprises a base, wherein the base is provided with an insulating platform, a deep groove is formed in the base which is arranged around the circumference of the insulating platform, the rotatable cover plate also comprises a plurality of cover plates which are arranged along the circumference of the deep groove and are driven by driving power to vertically overturn relative to the base, the cover plates are downwards overturned to be in a horizontal state, a transverse frame is closed at the opening of the deep groove, the transformer is conveniently transferred to the insulating platform, or the cover plates are upwards overturned to be in a vertical state, the opening at the upper part of the deep groove is conveniently opened, the insulating platform is disconnected with the base by the deep groove, so that the state can be quickly switched through overturning the cover plates, the high efficiency of the transformer experiments is improved, the experimental requirements are met, the integral structure is simple, the layout is ingenious, the operation is convenient, and the practicability is good.

Inventors

  • HU CHUN
  • Xu Pingzheng
  • JI XIYUE
  • CHEN FENGLIN
  • CAO JIAN
  • MENG LI

Assignees

  • 苏州电器科学研究院股份有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (10)

  1. 1. The rotatable cover plate for the transformer experiment insulation platform comprises a base (1), wherein an insulation platform (3) is arranged on the base (1), a deep groove (4) is formed in the base (1) which is arranged around the circumference of the insulation platform (3), the rotatable cover plate is characterized by further comprising a plurality of cover plates (2) which are arranged along the circumference of the deep groove (4), the cover plates (2) are driven by driving power to vertically overturn relative to the base (1), the cover plates (2) are downwards overturned to be in a horizontal state, a transverse frame is closed at the opening of the deep groove (4), or the cover plates (2) are upwards overturned to be in a vertical state, so that the opening of the upper part of the deep groove (4) is opened.
  2. 2. A rotatable cover plate for a transformer experiment insulation platform as set forth in claim 1, wherein the top surface of the insulation platform (3) is concaved downwards along the circumferential edge to form an inner concave edge (31), the inner end of the cover plate (2) in a horizontal state is supported at the inner concave edge (31), the base (1) at the upper edge of the outer wall surface of the deep groove (4) is concaved downwards along the circumferential edge to form an outer concave edge (41), the outer end of the cover plate (2) in the horizontal state is supported at the outer concave edge (41), and the top surface of the cover plate (2) in the horizontal state is flush with the top surface of the base (1) outside the deep groove (4) and the top surface of the insulation platform (3).
  3. 3. A rotatable cover plate for a transformer experiment insulation platform as claimed in claim 2, wherein the vertical wall of the outer concave edge (41) is provided with a movable hinge lug (6), the outer end surface of the cover plate (2) is provided with a fixed hinge lug (7) corresponding to the movable hinge lug (6), the movable hinge lug (6) is provided with a vertical long hole (641), and the fixed hinge lug (7) is provided with a pin shaft (72) penetrating through the vertical long hole (641).
  4. 4. A rotatable cover plate for a transformer experiment insulation platform as claimed in claim 3, wherein the movable hinge lug (6) comprises a fixed plate (61) fixed on the side wall surface of the outer concave edge (41), a sliding seat (63) is assembled on the side surface of the fixed plate (61) in a sliding manner through a sliding guide piece (62), a support plate (64) is assembled on the side surface of the sliding seat (63), and a vertical long hole (641) for assembling a pin shaft (72) in the fixed hinge lug (7) is formed in the support plate (64).
  5. 5. A rotatable cover plate for a transformer experiment insulation platform as claimed in claim 1 or 4, wherein the driving power is linear driving power (5), the upper end of the linear driving power (5) is rotatably mounted on an upper support (51) on the bottom surface of the cover plate (2), and the lower end of the linear driving power (5) is rotatably mounted on a lower support (52) on the side wall surface of the deep trench (4).
  6. 6. The rotatable cover plate for the transformer experiment insulation platform of claim 5, wherein the lower support (52) is located on the side wall of the deep trench (4) far away from the insulation platform (3), the upper support (51) is installed on the edge of the bottom surface of the cover plate (2) close to the lower support (52), the embedded part II (53) is arranged on the side wall of the deep trench (4), and the lower support (52) is fixedly installed on the embedded part II (53).
  7. 7. The rotatable cover plate for the transformer experiment insulation platform as set forth in claim 4, wherein a groove (71) is formed in the middle of the end face of the fixed hinge lug (7), the groove (71) is assembled on the top face of the sliding seat (63) when the cover plate (2) is in a vertical state, and the end face of the cover plate (2) is attached to and supported on the top face of the base (1).
  8. 8. A rotatable cover plate for a transformer experiment insulation platform as set forth in claim 7, wherein the side wall of one side of the groove (71) is a plane (711), the side wall of the other side of the groove (71) is a first inclined plane (712) which stretches outwards towards the opening, and the end part of the plane (711) is provided with a second inclined plane (713).
  9. 9. The rotatable cover plate for the transformer experiment insulation platform as set forth in claim 4, wherein the sliding guide piece (62) is a guide piece with an L-shaped cross section, the two guide pieces and the fixed plate (61) form a space for sliding and assembling the sliding seat (63), the lower ends of two sides of the sliding seat (63) are laterally extended to form a protrusion (631), and the protrusion (631) limits the sliding seat (63) to slide upwards to be separated from the guide piece.
  10. 10. The rotatable cover plate for the transformer experiment insulation platform as set forth in claim 2, wherein the first embedded part (60) is arranged on the vertical wall surface of the outer concave edge (41), and the movable hinge lug (6) is arranged on the first embedded part (60).

Description

Rotatable cover plate for transformer experiment insulation platform Technical Field The utility model relates to the technical field of transformer experiment platforms, in particular to a rotatable cover plate for a transformer experiment insulation platform. Background In transformer experiments, an insulating platform is a key facility for guaranteeing the accuracy and safety of the experiments. In the prior art, a pit is usually dug on the ground, an insulating platform is supported by an insulating material after a steel structure platform is built in, and a deep trench is formed in the circumferential direction of the insulating platform so as to effectively ensure the insulating performance of the insulating platform. However, this structure presents a challenge for transportation of the transformer, and a cover plate is required to be disposed on the deep trench in order for the transformer to reach the platform smoothly. The existing cover plate is difficult to remove in the transformer experiment, and is difficult to rapidly and reliably cut off the connection between the platform and the ground, so that the high-efficiency experiment requirement cannot be met. Disclosure of utility model In order to solve the problems, the rotatable cover plate for the transformer experiment insulation platform is reasonable in structure, so that the state can be quickly switched by overturning the cover plate, the high efficiency of transformer experiments is improved, the whole structure is simple, the layout is ingenious, the operation is convenient, and the practicability is good. The technical scheme adopted by the utility model is as follows: The rotatable cover plate comprises a base, wherein an insulating platform is arranged on the base, deep grooves are formed in the base which is arranged around the circumference of the insulating platform, the rotatable cover plate also comprises a plurality of cover plates which are arranged along the circumference of the deep grooves, the cover plates are driven by driving power to vertically overturn relative to the base, the cover plates overturn downwards to be in a horizontal state and a transverse frame is closed at the opening of the deep grooves, or the cover plates overturn upwards to be in a vertical state so that the openings at the upper parts of the deep grooves are opened. As a further improvement of the above technical scheme: The top surface of the insulating platform is concaved downwards along the circumferential edge to form an inner concave edge, the inner end of the cover plate in a horizontal state is supported at the inner concave edge, the base at the upper edge of the outer wall surface of the deep trench is concaved downwards along the circumferential edge to form an outer concave edge, the outer end of the cover plate in the horizontal state is supported at the outer concave edge, and the top surface of the cover plate in the horizontal state is flush with the top surface of the base at the outer side of the deep trench and the top surface of the insulating platform. The movable hinge lugs are arranged on the vertical walls of the outer concave edges, the outer end face of the cover plate is provided with the fixed hinge lugs corresponding to the movable hinge lugs, the movable hinge lugs are provided with vertical long holes, and the fixed hinge lugs are provided with pin shafts penetrating through the vertical long holes. The movable hinge lug comprises a fixed plate fixed on the side wall surface of the outer concave edge, a sliding seat is arranged on the side surface of the fixed plate in a sliding manner through a sliding guide piece in a sliding manner, a support plate is arranged on the side surface of the sliding seat, and a vertical long hole for the pin shaft in the fixed hinge lug to be assembled is formed in the support plate. The driving power is linear driving power, the upper end of the linear driving power is rotatably mounted on an upper support of the bottom surface of the cover plate, and the lower end of the linear driving power is rotatably mounted on a lower support of the side wall surface of the deep trench. The lower support is arranged on the side wall of the deep trench far away from the insulating platform, the upper support is arranged on the edge of the bottom surface of the cover plate close to the lower support, the embedded part II is arranged on the side wall of the deep trench, and the lower support is fixedly arranged on the embedded part II. The middle part of the end face of the fixed hinge lug is provided with a groove, when the cover plate is in a vertical state, the groove is assembled on the top face of the sliding seat, and the end face of the cover plate is attached and supported on the top face of the base. The side wall of one side of the groove is a plane, the side wall of the other side of the groove is a first inclined plane which stretches outwards towards the opening, and the end part of