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CN-122002725-A - Electric control actuator with dustproof function

CN122002725ACN 122002725 ACN122002725 ACN 122002725ACN-122002725-A

Abstract

The invention discloses an electric control actuator with a dustproof function, and relates to the technical field of electric control actuators. The electric control actuator with the dustproof function comprises an outer shell, wherein a top cover is fixedly arranged at the top of the outer shell through bolts, a circuit board, a driving motor, a gear box and a cooling fan are fixedly arranged in the outer shell, a first transmission shaft and a second transmission shaft are respectively arranged on two sides of the gear box, an air inlet filter screen and an air outlet filter screen are respectively embedded on two sides of the outer shell, a fixed shell is fixedly connected to the outer surface of the outer shell, a first synchronous wheel and a second synchronous wheel are fixedly connected to the outer surface of the second transmission shaft, a first rotating rod and a second rotating rod are fixedly connected to the inner part of the fixed shell in a rotating way, a first bevel gear is fixedly connected to one ends of the first rotating rod and the second rotating rod, and a rotating shaft is rotatably connected to the outer surfaces of two sides of the outer shell.

Inventors

  • ZHAO LONGSHENG
  • LIU YU
  • WU YINGXIANG
  • TENG CONG
  • ZHOU XU
  • MIAO SONG
  • HUANG JIFEI
  • HE YING
  • SONG YANG
  • LU GUANGMING
  • SUN XI
  • WANG RUNZHE
  • WANG YOUJUN

Assignees

  • 国家电投集团东北电力有限公司抚顺热电分公司
  • 国家电投集团东北电力有限公司

Dates

Publication Date
20260508
Application Date
20251224

Claims (8)

  1. 1. The electric control actuator with the dustproof function comprises an outer shell (1), and is characterized in that a top cover (2) is fixedly arranged at the top of the outer shell (1) through bolts, a circuit board (4), a driving motor (5), a gear box (6) and a cooling fan (9) are fixedly arranged in the outer shell (1), a first transmission shaft (7) and a second transmission shaft (8) are respectively arranged on two sides of the gear box (6), an air inlet filter screen (10) and an air outlet filter screen (11) are respectively embedded on two sides of the outer shell (1), a fixed shell (12) is fixedly connected to the outer surface of the outer shell (1), a first synchronous wheel (13) and a second synchronous wheel (14) are fixedly connected to the outer surface of the second transmission shaft (8), a first rotating rod (15) and a second rotating rod (16) are fixedly connected to the inner part of the fixed shell (12), a first bevel gear (21) is fixedly connected to one ends of the first rotating rod (15) and the second rotating rod (16), a rotating shaft (22) is rotatably connected to the outer surface of two sides of the outer shell (1), a rotating shaft (22) is fixedly connected to the outer surface of the second rotating rod (24), the outer surface of shell body (1) both sides is fixed cover (25) and second fixed cover (26) all fixedly connected with, the inside cover of first fixed cover (25) and second fixed cover (26) is equipped with horizontal movable rod (27), one end fixedly connected with spout connecting rod (28) that horizontal movable rod (27) is close to axis of rotation (22), the bottom fixed mounting of horizontal movable rod (27) has cleaning brush (29).
  2. 2. The electric power control actuator with the dustproof function according to claim 1, wherein the controller (3) is fixedly arranged at one end, far away from the fixed shell (12), of the outer shell (1), the circuit board (4) is arranged at one side, close to the controller (3), of an inner cavity of the outer shell (1), and the cooling fan (9) is arranged at the inner side of the air outlet filter screen (11).
  3. 3. The electric power control actuator with dustproof function according to claim 1, wherein the output shaft of the driving motor (5) is connected with the first transmission shaft (7), and the outer surface of the second transmission shaft (8) penetrates through the outer housing (1) and the fixed housing (12) and extends to the outside.
  4. 4. The electric power control actuator with the dustproof function according to claim 1, wherein a third synchronizing wheel (17) is fixedly connected to the outer surface of the first rotating rod (15), and first transmission belts (18) are arranged on the outer surfaces of the first synchronizing wheel (13) and the third synchronizing wheel (17).
  5. 5. The electric power control actuator with the dustproof function according to claim 1, wherein a fourth synchronizing wheel (19) is fixedly connected to the outer surface of the second rotating rod (16), and a second driving belt (20) is arranged on the outer surfaces of the second synchronizing wheel (14) and the fourth synchronizing wheel (19).
  6. 6. The electric power control actuator with dustproof function according to claim 1, wherein the first bevel gear (21) is meshed with the second bevel gear (23), a connecting shaft (30) is slidably arranged in the chute connecting rod (28), and one end of the rotating connecting rod (24) far away from the rotating shaft (22) is rotatably connected with the connecting shaft (30).
  7. 7. The electric control actuator with the dustproof function according to claim 1, wherein the first rotating rod (15), the second rotating rod (16), the first bevel gear (21), the rotating shaft (22), the second bevel gear (23), the rotating connecting rod (24), the first fixed sleeve (25), the second fixed sleeve (26), the horizontal movable rod (27), the sliding groove connecting rod (28), the cleaning brush (29) and the connecting shaft (30) are arranged on two sides of the outer shell (1), and the first synchronizing wheel (13), the second synchronizing wheel (14), the first rotating rod (15), the second rotating rod (16), the third synchronizing wheel (17), the first driving belt (18), the fourth synchronizing wheel (19), the second driving belt (20), the first bevel gear (21), the rotating shaft (22), the second bevel gear (23), the rotating connecting rod (24) and the sliding groove connecting rod (28) are arranged in the inner cavity of the fixed shell (12).
  8. 8. The electric power control actuator with the dustproof function according to claim 1, wherein the cleaning part of the cleaning brush (29) is in contact with the outer surface of the outer shell (1), and the two cleaning brushes (29) are respectively arranged on the outer sides of the air inlet filter screen (10) and the air outlet filter screen (11).

Description

Electric control actuator with dustproof function Technical Field The invention relates to the technical field of electric control actuators, in particular to an electric control actuator with a dustproof function. Background The electric control actuator is used as a key terminal operating mechanism in an industrial automation system and is widely applied to the accurate control of equipment such as valves, air doors, baffles and the like. The core function of the device is to convert a control signal into mechanical displacement or angle so as to drive a controlled object, thereby realizing accurate adjustment of technological parameters such as fluid flow, pressure, temperature and the like. Such equipment is often required to run continuously in industrial sites with severe conditions, especially in industries such as electric power, metallurgy, mines, cement and the like, and a large amount of dust and particulate matters exist in the environment. To ensure stable operation of internal core components such as drive motors, circuit boards, and gear trains, the actuator housing typically requires a heat-dissipating structure, such as vents, to be provided and forced air cooling to assist with a heat-dissipating fan. However, in the existing electric control actuator, in order to meet the heat dissipation requirement, the ventilation hole is formed in the equipment shell, dust particles in the external environment easily enter the shell, the fine particles can be gradually attached to and erode precise circuit elements to cause short circuit risks, meanwhile, the fine particles can invade a kinematic pair gap of a transmission mechanism to accelerate mechanical abrasion, so that equipment control accuracy is reduced, running noise is increased, even jamming faults occur, in addition, in order to solve the problem, dust screen measures are commonly adopted, although dust invasion can be temporarily blocked, dust scales can be quickly accumulated on the surface of the dust screen to form dust dirt under high dust working conditions, a ventilation channel is seriously blocked, the ventilation efficiency of a heat dissipation system is greatly reduced, heat accumulation in the equipment is caused, a core component is performance attenuated due to long-term overheat, and continuous and stable running required by an industrial automatic system is seriously influenced. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the electric control actuator with the dustproof function, so as to solve the problems that the electric control actuator provided in the background art is easy to enter dust to cause component damage due to the arrangement of the vent holes, and the dust screen is easy to cause heat dissipation failure and equipment overheating due to blockage of dust scale to influence the operation stability. The electric control actuator with the dustproof function comprises an outer shell, wherein a top cover is fixedly arranged at the top of the outer shell through bolts, a circuit board, a driving motor, a gear box and a cooling fan are fixedly arranged in the outer shell, a first transmission shaft and a second transmission shaft are respectively arranged on two sides of the gear box, an air inlet filter screen and an air outlet filter screen are respectively embedded on two sides of the outer shell, a fixed shell is fixedly connected to the outer surface of the outer shell, a first synchronous wheel and a second synchronous wheel are fixedly connected to the outer surface of the second transmission shaft, a first rotating rod and a second rotating rod are rotatably connected to the inner part of the fixed shell, a first bevel gear is fixedly connected to one end of each of the first rotating rod and one end of each of the second rotating rod, a rotating shaft is rotatably connected to the outer surface of each of the two sides of the outer shell, a first fixed sleeve and a second fixed sleeve are fixedly connected to the outer surface of each of the two sides of the outer shell, a horizontal brush is arranged in the inner sleeve of each of the first fixed sleeve and the second fixed sleeve, a horizontal sliding rod is fixedly connected to one end of each horizontal brush, and the horizontal brush is fixedly connected to one end of the horizontal brush. Preferably, the one end fixed mounting who keeps away from fixed casing of shell body has the controller, the circuit board sets up in the one side that the shell body inner chamber is close to the controller, radiator fan sets up the inboard at the filter screen of giving vent to anger. Preferably, the output shaft of the driving motor is connected with the first transmission shaft, and the outer surface of the second transmission shaft penetrates through the outer shell and the fixed shell and extends to the outer side. Preferably, the outer surface of the first rotating rod is fixedly connected with a third synchronous