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CN-224232537-U - Transformer tapping switch

CN224232537UCN 224232537 UCN224232537 UCN 224232537UCN-224232537-U

Abstract

The application discloses a transformer tapping switch, and belongs to the technical field of tapping switches. The tapping switch gear shifting device comprises a rotating shaft, a driving assembly, an outer sleeve, a plurality of gear identification plates, a plurality of limiting assemblies and a tapping switch gear shifting device, wherein the rotating shaft is used for connecting a moving contact, the rotating shaft is rotatably arranged on the inner side of a connecting flange B, the connecting flange B is fixedly arranged on the top of a transformer, the driving assembly is arranged on the top of the rotating shaft, the outer sleeve is fixedly arranged on the top of the connecting flange B, the plurality of gear identification plates are arranged on the top of the outer sleeve, the driving assembly comprises a clamping block, the clamping block is slidably arranged on the inner side of the outer sleeve, and the plurality of limiting assemblies are arranged on the annular array on the inner side of the outer sleeve.

Inventors

  • XUE JUN

Assignees

  • 苏州安泰变压器有限公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (7)

  1. 1. A tapping switch for a transformer, which comprises a tapping switch, characterized by comprising: the rotating shaft (1) is used for connecting the moving contact, the rotating shaft (1) is rotatably arranged on the inner side of the connecting flange B (15), and the connecting flange B (15) is fixedly arranged on the top of the transformer; the driving assembly (2) is arranged at the top of the rotating shaft (1); the outer sleeve (3) is fixedly arranged at the top of the connecting flange B (15); A plurality of gear identification plates (4) arranged at the top of the outer sleeve (3); The driving assembly (2) comprises a clamping block (21), and the clamping block (21) is arranged on the inner side of the outer sleeve (3) in a sliding manner; The utility model discloses a gear position identification device, including outer sleeve (3), gear position identification plate (4), stop subassembly (31), spout (33) have been seted up to the inboard annular array of outer sleeve (3), the inboard annular array of outer sleeve (3) is provided with a plurality of spacing subassembly (31), spacing subassembly (31) and gear position identification plate (4) one-to-one setting, spout (34) are provided with at the top that is located spout (33) in the inboard of outer sleeve (3), fixture block (21) slide along spout (33) inboard and support groove B (34) top, spacing subassembly (31) are used for spacing the sliding position of fixture block (21).
  2. 2. The transformer tapping switch according to claim 1, wherein the clamping block (21) is fixedly arranged on the outer side of the connecting sleeve (22), two flower blocks (23) are fixedly arranged on the inner side of the connecting sleeve (22), two flower openings (12) matched with the two flower blocks (23) are formed in the top of the outer side of the rotating shaft (1), and a limiting plate (14) is detachably arranged on the top of the rotating shaft (1).
  3. 3. The transformer tap changer according to claim 2, wherein the top of the connecting sleeve (22) is provided with a turning handle (24), and the bottom of the turning handle (24) is detachably arranged with the top of the connecting sleeve (22) through a connecting flange C (241).
  4. 4. The transformer tapping switch of claim 1, wherein the inner side of the outer sleeve (3) is provided with a supporting groove A (32) at the bottom of the sliding groove (33), the inner side of the supporting groove B (34) is provided with a plurality of limiting grooves (35), a plurality of limiting assemblies (31) are respectively arranged on the inner sides of the corresponding limiting grooves (35) in a sliding manner, and a baffle plate (351) is fixedly arranged on the inner sides of the plurality of limiting grooves (35).
  5. 5. The transformer tapping switch of claim 4, wherein the limiting assembly (31) comprises two rotating plates (311) which are respectively positioned at two sides of the top of the chute (33) and used for limiting the sliding position of the clamping block (21), the two rotating plates (311) are both rotatably arranged at the inner sides of the corresponding connecting frames (312), pull rings (313) are fixedly arranged at the outer sides of the connecting frames (312), and the connecting frames (312) are slidably arranged at the inner sides of the limiting grooves (35) through the corresponding two pull openings (352).
  6. 6. The transformer tap changer according to claim 5, wherein the inner sides of the connecting frames (312) are provided with two rotating grooves (3121), and the inner sides of the rotating plates (311) are rotatably arranged at the inner sides of the corresponding rotating grooves (3121) through corresponding torsion springs (3111) and rotating rods (3112).
  7. 7. The transformer tapping switch of claim 1, wherein a switch housing (13) is sleeved on the outer side of the rotating shaft (1), a connecting flange A (131) is fixedly arranged at the top of the switch housing (13), the bottom of the outer sleeve (3) is detachably arranged at the top of a connecting flange B (15) through a connecting flange D (36), a top plate (37) is detachably arranged at the top of the outer sleeve (3), a plurality of gear identification plates (4) are arranged at the top of the top plate (37), and a fixing sleeve (16) is detachably arranged at the bottom of the connecting flange B (15) on the outer side of the rotating shaft (1).

Description

Transformer tapping switch Technical Field The application relates to the technical field of tapping switches, in particular to a transformer tapping switch. Background The transformer tapping switch is a device for connecting and switching tapping taps of a transformer winding, and the regulation of the output voltage of the transformer is realized by changing the turns ratio of a high-voltage winding. In the related art, in order to solve the problem that the positioning accuracy of a moving contact is affected by accumulation of transmission errors, the moving contact is always lagged in place, and meanwhile, all parts are always operated due to the existence of operation inertia, when a switch is manually operated, the moving contact is easy to span the normal position of the moving contact to exceed an ideal contact position, for example, the patent with the publication number CN205911169U in the prior art provides a gear shifting and homing device of a transformer tapping switch. The above-mentioned prior art scheme can realize improving the effect of operation feel when the switch moving contact rotates in place through setting up elastic locating piece and constant head tank cooperation, but when in actual use, needs the staff to control the dynamics of rotating the pivot, if hard, the roller also can shift out the constant head tank, causes the tapping switch to run shelves. In view of this, we propose a transformer tap changer. Disclosure of utility model The application aims to provide a tapping switch of a transformer, which can effectively solve the problem that in the prior art, a worker is required to control the force for rotating a rotating shaft, and if the force is too strong, a roller can also move out of a positioning groove, so that the tapping switch runs. The application provides a transformer tapping switch, comprising: The rotating shaft is used for connecting the moving contact, and is rotatably arranged on the inner side of the connecting flange B, and the connecting flange B is fixedly arranged on the top of the transformer; The driving assembly is arranged at the top of the rotating shaft; the outer sleeve is fixedly arranged at the top of the connecting flange B; The gear identification plates are arranged at the top of the outer sleeve; The driving assembly comprises a clamping block which is arranged on the inner side of the outer sleeve in a sliding manner; The inside annular array of outer sleeve is provided with a plurality of spacing subassembly, spacing subassembly and gear signboard one-to-one setting, the spout has been seted up to the inboard corresponding gear signboard array of outer sleeve, the top that the outer sleeve inboard is located the spout is provided with supporting groove B, the fixture block slides along the spout inboard and supporting groove B top, spacing subassembly is used for spacing the sliding position of fixture block. As an alternative scheme of the technical scheme of the application, the clamping block is fixedly arranged on the outer side of the connecting sleeve, two flower blocks are fixedly arranged on the inner side of the connecting sleeve, two flower openings matched with the two flower blocks are formed in the top of the outer side of the rotating shaft, and a limiting plate is detachably arranged on the top of the rotating shaft. As an alternative scheme of the technical scheme of the application, the top of the connecting sleeve is provided with a rotary handle, and the bottom of the rotary handle is detachably arranged with the top of the connecting sleeve through a connecting flange C. As an alternative scheme of the technical scheme of the application, a supporting groove a is formed in the inner side of the outer sleeve at the bottom of the sliding groove, a plurality of limiting grooves are formed in the inner side of the supporting groove B, a plurality of limiting assemblies are respectively arranged on the inner sides of the corresponding limiting grooves in a sliding mode, and a baffle is fixedly arranged on the inner sides of the plurality of limiting grooves. As an alternative scheme of the technical scheme of the document, the limiting assembly comprises two rotating plates which are respectively positioned at two sides of the top of the chute and used for limiting the sliding position of the clamping block, the two rotating plates are respectively and rotatably arranged at the inner sides of the corresponding connecting frames, pull rings are respectively and fixedly arranged at the outer sides of the connecting frames, and the connecting frames are slidably arranged at the inner sides of the limiting grooves through the corresponding two pull openings. As an alternative scheme of the technical scheme of the application, two rotating grooves are formed in the inner side of the connecting frame, and the inner sides of the rotating plates are arranged on the inner sides of the corresponding rotating grooves in a rotatin