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CN-224214567-U - Bearing insulation structure of variable frequency motor

CN224214567UCN 224214567 UCN224214567 UCN 224214567UCN-224214567-U

Abstract

The utility model discloses a bearing insulation structure of a variable frequency motor, which relates to the technical field of bearing insulation and comprises a bearing main body, wherein an alumina ceramic coating is arranged on the outer wall of the bearing main body, the alumina ceramic coating is smeared on the outer surface of the bearing main body, the inner wall of an insulation sleeve is used for sliding with the outer wall of the alumina ceramic coating, the bottom end of the bearing main body is abutted with the bottom end of the inner wall of the insulation sleeve, an insulation plate is arranged above the insulation sleeve, so that the insulation block is fixedly arranged on the outer wall of the insulation sleeve, the outer side of the bearing main body is stably insulated, a follow-up worker periodically replaces and installs the insulation sleeve, one end of a connection plate is abutted with the inner wall of the bearing main body through matching and installing the outer wall of the insulation ring, and meanwhile, a clamping block fixed with the connection plate is clamped and installed with the inner wall of a clamping groove, so that the insulation ring is fixedly arranged on the outer wall of the bearing main body, and the insulation effect of the device on the bearing is further improved.

Inventors

  • WU YOU

Assignees

  • 易特易(福建)新能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250816

Claims (7)

  1. 1. The variable frequency motor bearing insulation structure comprises a bearing main body (1), wherein an alumina ceramic coating (2) is arranged on the outer wall of the bearing main body (1), and the variable frequency motor bearing insulation structure is characterized in that an insulation mechanism (3) is arranged on the outer wall of the alumina ceramic coating (2), and a mounting mechanism (4) is arranged on the inner wall of the bearing main body (1); the insulation mechanism (3) comprises: The insulation sleeve (31), insulation sleeve (31) set up in the outer wall of bearing main part (1), the inner wall of insulation sleeve (31) slides with the outer wall of alumina ceramics coating (2), the top of insulation sleeve (31) is equipped with insulation board (32), insulation board (32) set up in the top of bearing main part (1).
  2. 2. The variable frequency motor bearing insulation structure according to claim 1, wherein the bottom end of the insulation plate (32) is fixed with four cylinders (33), four circular grooves (34) are formed in the top end of the bearing main body (1), and the inner walls of the four circular grooves (34) are matched with the outer walls of the cylinders (33).
  3. 3. The variable frequency motor bearing insulation structure according to claim 1, wherein two insulation blocks (35) are fixed at the bottom end of the insulation plate (32), and the two insulation blocks (35) are both arranged on the outer wall of the insulation sleeve (31).
  4. 4. The inverter motor bearing insulation structure of claim 2, wherein the outer wall vertical cross-sectional area dimensions of the four cylinders (33) are all arranged in a matching manner with the inner wall vertical cross-sectional area dimensions of the circular groove (34).
  5. 5. A variable frequency motor bearing insulation structure according to claim 3, characterized in that the inner walls of the two insulation blocks (35) are respectively sleeved with a plug post (5), and one side of each plug post (5) is matched with the inner wall of the insulation sleeve (31).
  6. 6. A variable frequency motor bearing insulation structure according to claim 1, characterized in that the mounting mechanism (4) comprises: The bearing comprises an insulating ring (41), wherein the insulating ring (41) is arranged on the inner wall of the bearing main body (1), and connecting plates (42) are arranged at two ends of the insulating ring (41).
  7. 7. The variable frequency motor bearing insulation structure according to claim 6, wherein two clamping blocks (43) are fixed at one ends of two connecting plates (42), two clamping grooves (44) are formed at two ends of the bearing main body (1), and inner walls of the four clamping grooves (44) are matched with outer walls of the clamping blocks (43).

Description

Bearing insulation structure of variable frequency motor Technical Field The utility model relates to the technical field of bearing insulation, in particular to a bearing insulation structure of a variable frequency motor. Background The bearing insulation structure of the variable frequency motor is a device which is arranged outside the upper bearing of the variable frequency motor and has insulation effect. Based on the above, the inventor finds that at present, a plurality of frequency conversion motor bearing insulation structures exist on the market, but the common frequency conversion motor bearing insulation structure is characterized in that an insulating coating is directly smeared on the inner side and the outer side of a bearing by a worker, but the frequency conversion motor is extremely easy to abrade an insulating layer after long-time use, thereby seriously affecting the insulating effect of the insulating layer on the bearing and reducing the practicability of the device. Disclosure of utility model In order to solve the technical problems, the utility model provides the following technical scheme: The utility model relates to a variable frequency motor bearing insulation structure, which comprises a bearing main body, wherein an alumina ceramic coating is arranged on the outer wall of the bearing main body, an insulation mechanism is arranged on the outer wall of the alumina ceramic coating, and a mounting mechanism is arranged on the inner wall of the bearing main body; the insulation mechanism includes: The insulating sleeve is arranged on the outer wall of the bearing body, the inner wall of the insulating sleeve slides with the outer wall of the alumina ceramic coating, an insulating plate is arranged at the top end of the insulating sleeve, and the insulating plate is arranged at the top end of the bearing body. As a preferable technical scheme of the utility model, four cylinders are fixed at the bottom end of the insulating plate, four circular grooves are formed in the top end of the bearing main body, and the inner walls of the four circular grooves are matched with the outer walls of the cylinders. As a preferable technical scheme of the utility model, two insulating blocks are fixed at the bottom end of the insulating plate, and the two insulating blocks are arranged on the outer wall of the insulating sleeve. As a preferable technical scheme of the utility model, the vertical cross-sectional area sizes of the outer walls of the four cylinders are matched with the vertical cross-sectional area sizes of the inner walls of the circular grooves. As a preferable technical scheme of the utility model, the inner walls of the two insulating blocks are respectively sleeved with the inserting posts, and one sides of the two inserting posts are respectively matched with the inner wall of the insulating sleeve. As a preferred embodiment of the present utility model, the mounting mechanism includes: the insulating ring, the insulating ring sets up in the inner wall of bearing main part, the both ends of insulating ring all are equipped with the connecting plate. As a preferable technical scheme of the utility model, two clamping blocks are fixed at one ends of the two connecting plates, two clamping grooves are formed at two ends of the bearing main body, and the inner walls of the four clamping grooves are matched with the outer walls of the clamping blocks. The beneficial effects of the utility model are as follows: 1. According to the scheme, the aluminum oxide ceramic coating is smeared on the outer surface of the bearing main body, the inner wall of the insulating sleeve and the outer wall of the aluminum oxide ceramic coating are used for sliding, the bottom end of the bearing main body is abutted against the bottom end of the inner wall of the insulating sleeve, the insulating plate is arranged above the insulating sleeve, the bottom end of the insulating plate is attached to the top end of the bearing main body, meanwhile, the cylinder fixed at the bottom end of the insulating plate is assembled with the inner wall of the circular groove in a clamping mode, the outer wall of the inserting column is sleeved with the inner wall of the insulating block until one side of the inserting column is assembled with the inner wall of the insulating sleeve in a clamping mode, the insulating block is fixedly assembled on the outer wall of the insulating sleeve, the outer side of the bearing main body is stably insulated, the aluminum oxide ceramic coating is prevented from being worn and worn for a long time, and the insulating sleeve is replaced and installed regularly by subsequent workers, and normal operation of the device is ensured. 2. According to the scheme, the outer wall of the insulating ring is matched with the inner wall of the bearing main body, one end of the connecting plate is used for being abutted against one end of the bearing main body and one end of the insulating ring, an