CN116447373A - Novel electric actuating mechanism - Google Patents
Novel electric actuating mechanism Download PDFInfo
- Publication number
- CN116447373A CN116447373A CN202211399292.1A CN202211399292A CN116447373A CN 116447373 A CN116447373 A CN 116447373A CN 202211399292 A CN202211399292 A CN 202211399292A CN 116447373 A CN116447373 A CN 116447373A
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- output shaft
- hand wheel
- motor
- gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a novel electric actuating mechanism, which comprises: the device comprises a box body, a motor, a diaphragm pump input assembly, a worm shaft and an output shaft; the driving mechanism includes: the motor is characterized in that a first motor shaft gear is arranged at the head end of a motor shaft of the motor, and a second motor shaft gear is arranged on a shaft section; the diaphragm pump input assembly includes: an input shaft, a normally open electromagnetic clutch, and an output shaft; a transmission mechanism, comprising: normally closed electromagnetic clutch, worm shaft and butterfly spring; the upper end of the output shaft is supported in the center hole of the hand wheel through a bearing, the lower end of the output shaft is supported on the main box body through a bearing, a valve position big bevel gear, a worm wheel meshed with a worm, a transmission ring and a reset spring are sleeved on the output shaft from bottom to top in sequence, and the reset spring is sleeved between the transmission ring and the end cover of the hand wheel.
Description
Technical Field
The invention relates to the technical field of electric valves, in particular to a novel electric actuating mechanism.
Background
The electric actuating mechanism is used for controlling the valve rod of the valve to rotate or move so as to control the opening and closing of the valve, is often arranged on the valve body and is linked with the valve rod, and the controller sends out a control signal to drive the valve to open or close to a designated position, so that the automatic work of the valve is realized.
In thermal power plants, sewage treatment plants, municipal works, etc., problems of operation and maintenance of valves in a pit are often involved.
The valve and the electric actuator are connected mainly by direct connection, and the valve is positioned in the pit, so that water is easily accumulated in the pit, the electric actuator is not applied underwater, and part of the structure cannot be isolated from water for a long time to erode the electric actuator, so that the service life of the electric actuator is shortened, the working efficiency of the electric actuator is influenced, and the use and maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a novel electric actuator so as to solve the problems.
The technical scheme of the invention is as follows:
a novel electric actuator comprising: the diaphragm pump comprises a box body, an output end cover, a hand wheel end cover, a wiring end cover and a front cover, wherein the output end cover, the hand wheel end cover, the wiring end cover and the front cover are arranged on the main box body; a drive mechanism, comprising: the motor is characterized in that a first motor shaft gear is arranged at the head end of a motor shaft of the motor, and a second motor shaft gear is arranged on a shaft section; a diaphragm pump input assembly comprising: the input shaft is arranged on the inner wall of the main box body, one end of the input shaft is inserted into the normally open electromagnetic clutch, one end of the output shaft of the normally open electromagnetic clutch is provided with a first reversing bevel gear, one end of the output shaft is inserted into an eccentric shaft of the diaphragm pump, the other end of the output shaft is connected with a second reversing bevel gear, the first reversing bevel gear is meshed with the second reversing bevel gear, and the other end of the output shaft of the normally open electromagnetic clutch is sleeved with a normally open electromagnetic clutch input end gear and meshed with the second motor shaft gear; the transmission mechanism comprises: the device comprises a worm shaft, a normally closed electromagnetic clutch arranged on the worm shaft and butterfly springs arranged at two ends of the worm shaft, wherein one end of the worm shaft is connected with the normally closed electromagnetic clutch, and a first motor shaft gear is meshed with the input end of the normally closed electromagnetic clutch through a gear; the upper end of the output shaft is limited in the center hole of the hand wheel, the lower end of the output shaft is limited on the main box body, the output shaft is sequentially sleeved with a valve position big bevel gear, a worm wheel meshed with the worm, a transmission ring and a reset spring from bottom to top, one end of the output shaft, far away from the reset spring, is provided with a two-claw output interface, and the reset spring is sleeved between the transmission ring and the hand wheel end cover.
Further, be equipped with observation window, switch knob subassembly and operation mode knob subassembly outside the front shroud, the inside motor drive module, water level detection module, the display module that is equipped with of front shroud, switch knob subassembly and operation mode knob subassembly adopt the magnetic control switch of no through-shaft, and motor drive module is used for driving the motor, and switch knob subassembly is used for controlling electric actuator's switching in situ operation, and operation mode knob subassembly is used for switching electric actuator's control mode, and display module includes the display for show operation state information such as water level, water level detection module is used for detecting the water level condition in the actuating mechanism installation environment.
Further, a limiting ring is further arranged on the output shaft, two ends of the output shaft are respectively supported in a center hole of the hand wheel and the main box body through a third bearing and a fourth bearing, a worm wheel top protrusion is arranged on the worm wheel, a driving ring lower end protrusion is arranged at the lower end of the driving ring, the worm wheel top protrusion is matched with the driving ring lower end protrusion to transfer torque, the driving ring and the output shaft transfer torque to the output shaft through a key, and the valve position bevel gear is connected with the output shaft through a flat key.
Furthermore, the joint of the main box body and each box cover is sealed by using a butyronitrile O-shaped ring.
Further, a moment passing alarm is arranged between the two ends of the worm shaft and the box body.
Further, the method further comprises the following steps: the valve position feedback assembly is embedded into a reserved hole of the main box body and fixed by bolts and comprises a feedback shaft, a valve position bevel pinion and an absolute encoder, wherein the valve position bevel pinion is arranged at one end of the feedback shaft and meshed with the valve position bevel gear, the other end of the feedback shaft is a flat head output end and extends into a reserved flat opening of the absolute encoder, and the absolute encoder is fixed on the box body by bolts.
Further, the method further comprises the following steps: a hand/automatic switching device, the hand/automatic switching device comprising: switching handle, handle reset torsional spring, spacing knot and hand wheel, the hand wheel sets up on the output shaft, just there is the hand wheel below protruding down, be provided with O type sealing washer between hand wheel and the hand wheel end cover, hand wheel lower part outer cylinder is provided with the circlip for the axle, the drive ring top is equipped with the drive ring top arch, the hand wheel down protruding with the protruding cooperation in drive ring top, handle reset torsional spring and spacing knot are adorned in proper order on switching handle spacing groove, switching handle stretches into the main box, spacing knot is located the below of drive ring.
Further, the diaphragm pump drives a diaphragm pump swash plate by eccentric shaft input power.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the diaphragm pump and the electric actuating mechanism are integrated into a whole, and a drainage pump is not required to be arranged in a pit independently, so that the field installation construction is simplified;
2. the invention adopts a motor, and the actuating mechanism and the diaphragm pump are respectively controlled by two clutches, so that the invention has compact structure and is particularly suitable for small space such as a pit.
3. The on-site control on-off and stop knob, the on-site and remote control setting knob and the internal magnetic control switch can be operated, so that the traditional through shaft is avoided, and the influence of the pit environment humidity on the electric actuating mechanism is reduced.
4. According to the invention, the water level detection module is used for detecting the water level information, when water accumulation occurs in the pit, the water level information is transmitted to the electric actuator control module, and the diaphragm pump is controlled to be started to realize automatic drainage, so that the electric actuator is prevented from being flooded, and the service lives of the electric actuator, the valve and the pipeline are effectively prolonged.
Drawings
FIG. 1 is a front view of the complete machine of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the invention;
FIG. 3 is a front view of the internal structure of the present invention;
FIG. 4 is a top view of the internal structure of the present invention;
FIG. 5 is a schematic diagram of the output shaft and valve position feedback assembly of the present invention;
FIG. 6 is a diagram of a drive ring configuration of the present invention;
FIG. 7 is a front view of the internal structure of the pump body of the present invention;
the components in the drawings are marked as follows: 10. a case; 101. a main case; 102. an output end cap; 103. a hand wheel end cover; 1031. the lower part of the hand wheel is convex; 104. a terminal cover; 105. a front cover; 1051. an observation window; 1052. a switch knob assembly; 1053. an operation mode knob assembly; 20. a driving mechanism; 201. a motor; 202. a motor shaft; 203. a first motor shaft gear; 204. a second motor shaft gear; 30. a diaphragm pump input shaft; 301. a normally open electromagnetic clutch; 302. a first reversing bevel gear; 303. a second reversing bevel gear; 304. a first bearing; 305. a second bearing; 306. an input shaft; 307. normally open electromagnetic clutch input end gear; 308. an output shaft; 40. a transmission mechanism; 401. a normally closed electromagnetic clutch; 4011. a fixing piece; 4012. normally closed electromagnetic clutch input face gear; 402. a worm shaft; 403. a belleville spring; 50. an output shaft; 501. a worm wheel; 5011. the top end of the worm wheel is convex; 5012. a worm wheel top ring surface; 502. a valve position big bevel gear; 503. a drive ring; 5031. the lower end of the driving ring is convex; 5032. the top end of the driving ring is convex; 504. a return spring; 505. a hand wheel; 506. a limiting ring; 507. a two-jaw output interface; 508. a third bearing; 509 a fourth bearing; 60. a valve position feedback assembly; 601. a feedback shaft; 6011. bevel pinion with small valve position; 602. an absolute encoder; 70. a manual/automatic switching device; 701. a switching handle; 702. a reset torsion spring; 703. a limit button; 80. a pump body; 801. an eccentric shaft; 802. diaphragm pump swashplate.
Detailed Description
The following describes in detail the embodiments of the present invention with reference to fig. 1 to 7. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, the circuit connection related in the present invention adopts a conventional circuit connection manner, and no innovation is related.
Examples
As shown in fig. 1 to 7, a novel electric actuator includes: diaphragm pump, still include: the box 10, the driving mechanism 20, the diaphragm pump input assembly 30, the transmission mechanism 40 and the output shaft 50, wherein the box 10 comprises a main box 101, and an output end cover 102, a hand wheel end cover 103, a wire end cover 104 and a front cover 105 which are arranged on the main box 101 through bolt connection; the drive mechanism 20 includes: the motor 201, a first motor shaft gear 203 is arranged at the shaft head end of a motor shaft 202 of the motor 201, and a second motor shaft gear 204 is arranged on the shaft section; the diaphragm pump input assembly 30 includes: an input shaft 306, a normally open electromagnetic clutch 301 and an output shaft 308 which are fixed on the inner wall of the main box body by a first bearing 304 and a second bearing 305, wherein the input shaft 306 is arranged on the inner wall of the main box body 101, one end of the input shaft is inserted into the normally open electromagnetic clutch 301, one end of the output shaft of the normally open electromagnetic clutch 301 is provided with a first reversing bevel gear 302, one end of the output shaft 308 is inserted into an eccentric shaft 801 of a diaphragm pump, the other end of the output shaft is connected with a second reversing bevel gear 303, the first reversing bevel gear 302 is meshed with the second reversing bevel gear 303, and the other end of the output shaft of the normally open electromagnetic clutch 301 is sleeved with a normally open electromagnetic clutch input end gear 307 and meshed with the second motor shaft gear 204; the transmission mechanism 40 includes: a normally closed electromagnetic clutch 401, a worm shaft 402 and belleville springs 403 arranged at two ends of the worm shaft 402, wherein one end of the worm shaft 402 is connected with the normally open electromagnetic clutch 401, the first motor shaft gear 203 is meshed with the input end of the normally open electromagnetic clutch 401 through gears, and a shaft head of a motor shaft 202 is processed into a first motor shaft gear 203 to be meshed with a normally closed electromagnetic clutch input end face gear 4012 on the worm shaft 40; the two ends of the output shaft 50 are limited in a center hole of a hand wheel and are arranged on a main box body, a valve position large bevel gear 502, a worm wheel 501 meshed with a worm, a transmission ring 503 and a return spring 504 are sleeved on the output shaft 50 in sequence from bottom to top, a two-claw output interface 507 is arranged at one end of the output shaft 50 far away from the return spring 504, a limit ring 506 is further arranged on the output shaft 50, two ends of the output shaft 50 are respectively arranged on the center hole of the hand wheel 505 and the main box body 101 through a third bearing 508 and a fourth bearing 509, the hand wheel end cover 103 is fixed with the main box body 101 through bolts, the hand wheel 505 passes through the hand wheel end cover 103, an O-shaped sealing ring is arranged between the hand wheel 505 and the hand wheel end cover 103, an elastic retainer ring for a shaft is arranged on the outer cylindrical surface of the lower part of the hand wheel 505, 3 worm wheel top protrusions 5011 are arranged on the worm wheel 401 when the lower protrusion 1031 is used for manual operation, a transmission is arranged at the lower end of the transmission ring 503, the lower end protrusion 5031 of the transmission ring 503 is matched with the transmission ring lower end protrusion 5031, the transmission ring lower end protrusion 5031 is respectively, the transmission ring lower end protrusion 5031 is transmitted torque, the transmission ring and the output shaft 50 is fixedly connected with the output shaft 502 through the large bevel gear 502 through the bolts, the valve position large bevel gear 502 and the four-shaped sealing ring 502, the transmission ring is in a linkage state of the large bevel gear 50, the transmission ring is fixedly arranged at the lower end cap with the transmission ring position protrusion 5050, and the transmission ring has a position protrusion ring buffer ring position protrusion 5031, and the transmission ring position protrusion is in a transmission key position is in a transmission state, and is in a transmission state of a transmission valve position is matched with the transmission shaft buffer; above the driving ring 503 is a return spring 504, and when the motor is driven, the return spring 504 is in a pre-pressed state; when the motor is electrically driven, the motor 20 rotates, the first motor shaft gear 203 at the front end of the motor shaft 202 drives the gear at the input end of the normally closed electromagnetic clutch 401 to rotate, the normally closed electromagnetic clutch 401 is in a closed state, the output end drives the worm shaft 40 to rotate, the worm 402 drives the worm wheel 502, the protrusion 5011 at the top end of the worm wheel drives the protrusion 5031 at the lower end of the driving ring after the idle stroke, the driving ring 503 transmits torque to the output shaft 50 through a key, the output shaft 50 drives the valve to open and close by means of the lower two-jaw output interface 507, when the valve is opened/closed by torque, the worm shaft 40 moves axially and triggers an opening/closing torque alarm, and the butterfly spring 403 deforms slightly and applies reset axial elastic force to the worm shaft 40.
Preferably, an observation window 1051, a switch knob assembly 1052 and an operation mode knob assembly 1053 are arranged outside the front cover 105, a motor driving module, a water level detection module and a display module are arranged inside the front cover 105, the switch knob assembly 1052 and the operation mode knob assembly 1053 adopt magnetic control switches without through shafts, the motor driving module is used for driving the motor 201, the switch knob assembly 1052 is used for controlling the opening and closing of the electric executing mechanism in the in-situ operation mode, the operation mode knob assembly 1053 is used for switching the control mode of the electric executing mechanism, the display module comprises a display and is used for displaying operation state information such as water level and the like, and the water level detection module is used for detecting the water level condition in the installation environment of the executing mechanism.
Preferably, the joints between the main box 101 and the box covers are sealed by using nitrile O-rings.
Preferably, a torque alarm is provided between the two ends of the worm shaft 402 and the housing.
Preferably, the method further comprises: the valve position feedback assembly 60 is embedded in a reserved hole of the main box body 101 and fixed by bolts, and comprises a feedback shaft 601, a valve position bevel pinion 6011 and an absolute encoder 602, wherein the valve position bevel pinion 6011 is arranged at one end of the feedback shaft 601, the valve position bevel pinion 6011 is meshed with the valve position bevel pinion 502, the other end of the feedback shaft 601 is a flat head output end and extends into a reserved flat port of the absolute encoder 602, the absolute encoder 602 is fixed on the box body 101 by bolts, and when the output shaft 50 rotates, the valve position bevel pinion 6011 is driven by the valve position bevel pinion 502 so as to drive the absolute encoder 602 to record the valve opening.
Preferably, the method further comprises: a manual/automatic switching device 70, the manual/automatic switching device 70 comprising: the switching handle 701, the handle reset torsion spring 702, the limit button 703 and the hand wheel 505, wherein the hand wheel 505 is arranged on the output shaft 50, a hand wheel lower protrusion 1031 is arranged below the hand wheel 505, the hand wheel 505 penetrates through the hand wheel end cover 103, an O-shaped sealing ring is arranged between the hand wheel 505 and the hand wheel end cover 103, an elastic retainer ring for a shaft is arranged on the outer cylindrical surface of the lower part of the hand wheel 505, a transmission ring top protrusion 5032 is arranged at the top of the transmission ring, the hand wheel lower protrusion 1031 is matched with the transmission ring top protrusion, the handle reset torsion spring 702 and the limit button 703 are sequentially arranged on a limit groove of the switching handle 701, the switching handle 701 stretches into the main box 101, the limit button 703 is positioned below the transmission ring 503, when a motor is required to manually switch a valve in the field, the limit button 703 is rotated to lift the transmission ring 503, the limit button 703 is supported on the top ring surface 5012 through a lower end fulcrum, a reset spring 504 placed on the transmission ring 503 is in a pressing state, the transmission ring top protrusion 5032 is combined with the hand wheel lower protrusion 1031, and the hand wheel 505 drives the output shaft 505 to rotate, so that the transmission ring 503 drives the valve 50 to rotate; when the motor is restored to drive, the worm 402 drives the worm wheel 501 to rotate, the annular surface 5012 at the top end of the worm wheel, which is not concentric with the worm wheel 501, ejects the limit button 703 to limit, and the transmission ring 503 resets under the action of the reset spring 504 and performs hammering effect on the valve rod, so that the valve which is opened, closed, torque or rusted is easy to drive.
Preferably, the diaphragm pump 80 is driven by power input from the eccentric shaft 801 to drive the diaphragm pump swash plate 802, when water accumulation occurs in the installation environment of the actuating mechanism, the water level sensor transmits water level information to the actuating mechanism control system, when the valve does not need to be operated, the control system enables the normally closed electromagnetic clutch 401 to be disconnected, the normally open electromagnetic clutch 301 is closed, the second motor shaft gear 204 is meshed with the input end gear 307 of the normally open electromagnetic clutch 301 and transmits power to the input shaft 306 to drive the first reversing bevel gear 302 to rotate, the second reversing bevel gear 303 changes the torque transmission direction and then transmits the torque to the eccentric shaft 801 through the output shaft 308, and accordingly the diaphragm pump swash plate 802 is driven to realize water drainage.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.
Claims (8)
1. A novel electric actuator comprising: diaphragm pump (80), characterized in that it further comprises:
the box body (10) comprises a main box body (101), and an output end cover (102), a hand wheel end cover (103), a wiring end cover (104) and a front cover (105) which are arranged on the main box body (101);
a drive mechanism (20) comprising: the motor (201), the shaft head end of a motor shaft (202) of the motor (201) is provided with a first motor shaft gear (203), and the shaft section is provided with a second motor shaft gear (204);
a diaphragm pump input assembly (30), comprising: the input shaft (306), the normally open electromagnetic clutch (301) and the output shaft (308), wherein the input shaft (306) is arranged on the inner wall of the main box body (101), one end of the input shaft is inserted into the normally open electromagnetic clutch (301), one end of the output shaft of the normally open electromagnetic clutch (301) is provided with a first reversing bevel gear (302), one end of the output shaft (308) is inserted into an eccentric shaft (801) of the diaphragm pump, the other end of the output shaft is connected with a second reversing bevel gear (303), the first reversing bevel gear (302) is meshed with the second reversing bevel gear (303), and the other end of the output shaft of the normally open electromagnetic clutch (301) is sleeved with a normally open electromagnetic clutch input end gear (307) and meshed with the second motor shaft gear (204);
the transmission mechanism (40) includes: the device comprises a normally closed electromagnetic clutch (401) arranged on a main box body (101), a worm shaft (402) and belleville springs (403) arranged at two ends of the worm shaft (402), wherein one end of the worm shaft (402) is connected with the normally closed electromagnetic clutch (401), and a first motor shaft gear (203) is meshed with the input end of the normally closed electromagnetic clutch (401) through a gear;
the two ends of the output shaft (50) are respectively limited on the hand wheel and the main box body, the valve position big bevel gear (502), the worm wheel (501) meshed with the worm, the transmission ring (503) and the reset spring (504) are sequentially sleeved on the output shaft (50), a two-claw output interface (507) is arranged at one end, far away from the reset spring (504), of the output shaft (50), and the reset spring (504) is sleeved between the transmission ring (503) and the hand wheel end cover (103).
2. The novel electric actuator according to claim 1, wherein an observation window (1051), a switch knob assembly (1052) and an operation mode knob assembly (1053) are arranged outside the front cover (105), a motor driving module, a water level detection module and a display module are arranged inside the front cover (105), the switch knob assembly (1052) and the operation mode knob assembly (1053) adopt a magnetic control switch without a through shaft, the motor driving module is used for driving a motor (201), the switch knob assembly (1052) is used for controlling the electric actuator to be opened and closed in an in-situ operation mode, the operation mode knob assembly (1053) is used for switching the control mode of the electric actuator, the display module comprises a display for displaying operation state information such as a water level, and the water level detection module is used for detecting the water level condition in an installation environment of the actuator.
3. The novel electric actuator according to claim 1, wherein the output shaft (50) is further provided with a limiting ring (506), two ends of the output shaft (50) are respectively arranged in a center hole of the hand wheel (505) and on the main box body (101) through a third bearing (508) and a fourth bearing (509), 4 worm gear top protrusions (5011) are arranged on the worm gear (401), the lower end of the transmission ring (503) is provided with a transmission ring lower end protrusion (5031), the worm gear top protrusions (5011) are matched with the transmission ring lower end protrusion (5031) to transmit torque, the transmission ring (503) and the output shaft (50) transmit torque to the output shaft (50) through keys, and the valve position bevel gear (502) is connected with the output shaft (50) through flat keys.
4. A novel electric actuator according to claim 1, wherein the joints between the main housing (101) and the respective covers are sealed by nitrile O-rings.
5. The novel electric actuator according to claim 1, wherein a torque-passing alarm is provided between both ends of the worm shaft (402) and the housing.
6. The novel electric actuator of claim 1, further comprising: valve position feedback subassembly (60), valve position feedback subassembly (60) imbeds main box (101) preformed hole and fixes with the bolt, including feedback axle (601), valve position bevel pinion (6011) and absolute encoder (602), valve position bevel pinion (6011) set up feedback axle (601) one end, valve position bevel pinion (6011) and valve position bevel gear (502) meshing, the other end of feedback axle (601) is flat head output, and stretches into in absolute encoder (602) preformed flat mouth, absolute encoder (602) are fixed in on box (101) with the bolt.
7. The novel electric actuator of claim 1, further comprising: a hand/automatic switching device (70), the hand/automatic switching device (70) comprising: switch handle (701), handle reset torsional spring (702), limit button (703) and hand wheel (505), hand wheel (505) set up on output shaft (50), just hand wheel (505) below has hand wheel lower bulge (1031), hand wheel (505) pass hand wheel end cover (103), are equipped with O sealing washer between hand wheel (505) and hand wheel end cover (103), hand wheel (505) lower part outer cylinder is provided with the circlip for the axle, the drive ring top is equipped with drive ring top bulge (5032), bulge (1031) with drive ring top bulge cooperation under the hand wheel, handle reset torsional spring (702) are adorned in proper order on switch handle (701) spacing groove with limit button (703), switch handle (701) stretch into main box (101), limit button (703) are located the below of drive ring (503).
8. A novel electric actuator according to claim 1, characterized in that the diaphragm pump (80) is powered by an eccentric shaft (801) to drive a diaphragm pump swash plate (802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211399292.1A CN116447373B (en) | 2022-11-09 | 2022-11-09 | Novel electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211399292.1A CN116447373B (en) | 2022-11-09 | 2022-11-09 | Novel electric actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116447373A true CN116447373A (en) | 2023-07-18 |
| CN116447373B CN116447373B (en) | 2024-05-07 |
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ID=87130833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211399292.1A Active CN116447373B (en) | 2022-11-09 | 2022-11-09 | Novel electric actuating mechanism |
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| CN (1) | CN116447373B (en) |
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| CN209115769U (en) * | 2018-11-14 | 2019-07-16 | 上海孚因流体动力设备股份有限公司 | Small-sized more revolution Electric Actuator of brake motor driving |
| CN213145527U (en) * | 2020-08-28 | 2021-05-07 | 苏州博睿测控设备有限公司 | Multi-rotation electric actuator structure |
| CN214063934U (en) * | 2020-12-31 | 2021-08-27 | 常州新能自控设备有限公司 | Intelligent valve electric actuator |
| CN215522165U (en) * | 2021-09-03 | 2022-01-14 | 天津埃柯特测控技术有限公司 | Intelligent valve electric actuator with double display screens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100501246B1 (en) * | 2004-02-04 | 2005-07-18 | 주식회사 은하양행 | Mode exchanger of electric actuator for a valve |
| KR20110106668A (en) * | 2010-03-23 | 2011-09-29 | (주) 에치케이씨 | Linear electric actuator |
| CN203641631U (en) * | 2014-01-07 | 2014-06-11 | 南京科远控制工程有限公司 | Manual electric switching device and electric actuating mechanism |
| CN206682396U (en) * | 2017-03-13 | 2017-11-28 | 天津百利二通机械有限公司 | Cone friction clutch switching construction |
| CN209115769U (en) * | 2018-11-14 | 2019-07-16 | 上海孚因流体动力设备股份有限公司 | Small-sized more revolution Electric Actuator of brake motor driving |
| CN213145527U (en) * | 2020-08-28 | 2021-05-07 | 苏州博睿测控设备有限公司 | Multi-rotation electric actuator structure |
| CN214063934U (en) * | 2020-12-31 | 2021-08-27 | 常州新能自控设备有限公司 | Intelligent valve electric actuator |
| CN215522165U (en) * | 2021-09-03 | 2022-01-14 | 天津埃柯特测控技术有限公司 | Intelligent valve electric actuator with double display screens |
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| CN116447373B (en) | 2024-05-07 |
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