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CN-121976968-A - Intelligent variable-frequency air suspension blower system

CN121976968ACN 121976968 ACN121976968 ACN 121976968ACN-121976968-A

Abstract

The invention provides an intelligent variable-frequency air suspension blower system, which relates to the technical field of blowers and comprises a motor main shell, an outer box body, a blower volute and an inner support frame, wherein the outer box body is arranged on the outer side of the motor main shell, the blower volute is fixedly connected to the two sides of the motor main shell, the inner support frame is fixedly connected to the two ends of the inner part of the motor main shell, a sliding inner connection sliding frame is arranged on an inner annular array of the inner support frame, an inner support pulley is rotatably connected to the middle part of the inner connection sliding frame, a side rotary ring is rotatably connected to the side circumference of the inner support frame, a guide chute is arranged on the side rotary ring array, the upper ends of the side rotary ring and a lower extension frame are fixedly connected, and a tail baffle is fixedly connected to the tail end of the lower extension frame. The inner supporting pulley moves to fit the middle shaft to realize supporting and positioning of the middle shaft, so that the dry friction loss of the air suspension bearing is avoided, and the problem that the air suspension bearing is easy to generate dry friction and wear when the blower is in a low-frequency low-rotation-speed working condition is solved.

Inventors

  • ZHANG JIACHENG
  • WANG JIABIN
  • MENG DEJIAN
  • CHEN HUANXIN
  • Shan Zhongwu

Assignees

  • 贵州中航华强科技有限公司

Dates

Publication Date
20260505
Application Date
20260228

Claims (8)

  1. 1. The intelligent variable-frequency air suspension blower system comprises a motor main shell (1), an outer box body (2), a blower volute (3) and an inner supporting frame (4), and is characterized in that the outer side of the motor main shell (1) is provided with the outer box body (2), the blower volute (3) is fixedly connected to two sides of the motor main shell (1), the inner supporting frame (4) is fixedly connected to two ends of the inside of the motor main shell (1), a sliding inner connecting sliding frame (401) is arranged on an inner annular array of the inner supporting frame (4), an inner supporting pulley (402) is rotatably connected to the middle of the inner supporting frame (401), a side rotating ring (403) is rotatably connected to the side surface of the inner supporting frame (4), a guiding chute (404) is arranged on the annular array of the side rotating ring (403), the upper end of the lower extending frame (405) is fixedly connected with a tail baffle (406), a middle cover plate (408) is hinged to the middle part of the tail baffle (406), and a side connecting tension spring (407) is rotatably connected to the side surface of the tail baffle (406).
  2. 2. The intelligent variable-frequency air suspension blower system according to claim 1, wherein the stator assembly (101) is fixedly connected to the inside of the motor main housing (1), air suspension bearings (104) are arranged at the front end and the rear end of the motor main housing (1), a middle rotating shaft (103) is arranged on the motor main housing (1) in a matched mode through the air suspension bearings (104), a rotor assembly (102) is fixedly connected to the middle part of the middle rotating shaft (103), an outer ventilation hole (105) is formed in the motor main housing (1) in a penetrating mode, a heat dissipation exhaust pipe (106) is fixedly connected to the tail end of the motor main housing (1), and an air cooling impeller (107) is fixedly connected to the tail end of the middle rotating shaft (103).
  3. 3. The intelligent variable-frequency air suspension blower system according to claim 2, wherein the air cooling impeller (107) is positioned at the tail end of the motor main shell (1), the air outlet side of the air cooling impeller (107) is communicated with the heat dissipation exhaust pipe (106), and the inner support frames (4) are axially arranged in one-to-one correspondence and adjacent to the air suspension bearings (104).
  4. 4. The intelligent variable frequency air suspension blower system according to claim 2, wherein the connecting support (201) is fixedly connected to the inside of the outer box body (2), the connecting support (201) is fixedly connected with the motor main shell body (1), and the intelligent variable frequency control unit (202) is fixedly connected to the inside of the outer box body (2).
  5. 5. The intelligent variable-frequency air suspension blower system according to claim 2, wherein a blower impeller (301) is arranged in the blower volute (3), a rectifying tube (302) is fixedly connected to the center of the blower volute (3), and an air outlet pipe (303) is fixedly connected to the side surface of the blower volute (3).
  6. 6. The intelligent variable-frequency air suspension blower system according to claim 5, wherein both ends of the intermediate shaft (103) are fixedly connected with fan impellers (301), the fan impellers (301) are fixedly connected with the intermediate shaft (103), and the rectifying tube (302) and the air outlet tube (303) are fixedly connected with the outer box body (2).
  7. 7. An intelligent variable frequency air suspension blower system according to claim 2, characterized in that the tail end of the inner connection carriage (401) is slidably embedded inside the guiding chute (404), and the inner connection carriage (401) radially moves when the side swivel (403) rotates.
  8. 8. The intelligent variable frequency air suspension blower system according to claim 7, wherein the inner supporting frame (4), the inner connecting sliding frame (401) and the inner supporting pulley (402) all encircle the outer side of the middle shaft (103), the tail end of the side connecting tension spring (407) is rotationally connected with the heat dissipation exhaust pipe (106), and the tail baffle (406) is attached to the outer side of the tail end outlet of the heat dissipation exhaust pipe (106).

Description

Intelligent variable-frequency air suspension blower system Technical Field The invention relates to the technical field of blower equipment, in particular to an intelligent variable-frequency air suspension blower system. Background The air suspension blower realizes the suspension of the air film supporting rotating shaft through the foil type air bearing, the rotating shaft realizes the reduction of friction to the greatest extent, the high-rotating-speed working condition of the floating blower is met, and the air suspension blower has the advantages of low friction, high efficiency, low noise and long service life. When the air blower is in the low-frequency low-rotation speed and medium-low air volume operation working condition of intelligent variable frequency regulation, the air suspension bearing cannot form a stable high-pressure supporting air film due to insufficient rotation linear speed, the condition of dry friction and abrasion easily occurs, the service life of the air suspension bearing is greatly shortened due to dry friction and abrasion, and the suitability of the air suspension bearing for wide variable frequency working conditions is poor. Disclosure of Invention The invention provides an intelligent variable-frequency air suspension blower system, which is characterized in that an air suspension bearing realizes suspension support of a centering rotating shaft when a blower runs at a high frequency and a high rotating speed, an inner support pulley is fully automatically far away from the centering rotating shaft, the condition that friction loss is increased due to contact between the inner support pulley and the centering rotating shaft is avoided, when the blower runs at a low frequency and a low rotating speed, the inner support pulley moves to be attached to the centering rotating shaft to realize support positioning of the centering rotating shaft, the condition that the air suspension bearing is low in low-rotating-speed air film bearing capacity and easy to generate dry friction loss is avoided, the stability of low-frequency variable-frequency medium-low air quantity working condition is improved, and the service life of the air suspension bearing is prolonged. The invention provides an intelligent variable-frequency air suspension blower system, which specifically comprises a motor main shell, an outer box body, a blower volute and an inner support frame, wherein the outer side of the motor main shell is provided with the outer box body, both sides of the motor main shell are fixedly connected with the blower volute, both ends of the inner part of the motor main shell are fixedly connected with the inner support frame, an inner annular array of the inner support frame is provided with a sliding inner connecting sliding frame, the inner connecting sliding frame radially moves along a radial sliding groove formed in the inner annular array of the inner support frame, the middle part of the inner connecting sliding frame is rotationally connected with an inner supporting pulley, the side surface of the inner support frame is rotationally connected with a side rotating ring, the side rotating ring annular array is provided with a guiding chute, the upper ends of the side rotating ring and a lower extending frame are fixedly connected, the lower extending frame penetrates through the motor main shell to the outer side of the bottom of the motor main shell, the tail end of the lower extending frame is fixedly connected with a tail baffle, a middle cover plate is hinged in the middle vent of the tail baffle, wind pressure generated by an air cooling impeller can push the middle cover plate away from the tail baffle, the side of the tail baffle is rotationally connected with a side tension spring, the side connecting tension spring is a tension spring, reset pre-tension force is provided for the tail baffle and the side rotating ring is rotationally connected with the side tension spring, and the side tension spring is lower than the wind pressure rated at a rated wind pressure lower than a lower rated wind pressure; at the rated rotation speed, the wind pressure overcomes the pretightening force of the side connecting tension spring to drive the side rotating ring to rotate, the inner supporting pulley is radially retracted and separated from the transferring shaft, and at the low rotation speed, the side connecting tension spring is reset to drive the side rotating ring to reversely rotate, the inner supporting pulley is radially extended, and the inner supporting pulley is attached to the transferring shaft to realize auxiliary support. Further, the inside fixedly connected with stator module of motor main casing, motor main casing's head and tail both ends all are provided with air suspension bearing, motor main casing is provided with the well pivot through air suspension bearing cooperation, air suspension bearing's outer lane and motor main casing's inner wall fixed connect