CN115435133A - Speed reducing mechanism of intelligent valve actuator - Google Patents
Speed reducing mechanism of intelligent valve actuator Download PDFInfo
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- CN115435133A CN115435133A CN202211298625.1A CN202211298625A CN115435133A CN 115435133 A CN115435133 A CN 115435133A CN 202211298625 A CN202211298625 A CN 202211298625A CN 115435133 A CN115435133 A CN 115435133A
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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
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the technical field of intelligent actuators of valves, in particular to a speed reducing mechanism of an intelligent actuator of a valve. The mechanism comprises a base, and a planetary gear train mechanism with small tooth difference, a chain transmission mechanism and a worm gear mechanism which are arranged on the base, wherein the output end of the planetary gear train mechanism with small tooth difference is connected with the input end of the worm gear mechanism through the chain transmission mechanism, and the output end of the worm gear mechanism is connected with a valve switch. The invention has small volume, simple and compact structure, convenient maintenance and small impact force, and improves the service life of the intelligent actuator of the valve.
Description
Technical Field
The invention relates to the technical field of intelligent valve actuators, in particular to a speed reducing mechanism of an intelligent valve actuator.
Background
The valve actuator is used for opening and closing the valve, the speed reducing mechanism is one of important components in the valve actuator, and the planetary gear speed reducing mechanism is generally composed of a sun gear, a planetary carrier, a base and the like. The existing valve reducing mechanism comprises three types, namely a multi-stage gear reducing mechanism, a first-stage gear, a first-stage planet and worm and gear combined reducing mechanism, a second-stage planet and worm and gear combined reducing mechanism and the like, and under the condition of power supply of an alternating current power supply, the reducing mechanism has a large transmission ratio and a small volume and is the design target of the reducing mechanisms of the three valve actuating devices. With the continuous expansion of the application occasions of valve executing devices and the continuous improvement of the power supply performance of batteries, the valve executing devices using batteries as power supplies have become mainstream products in the market. Aiming at the integrated structure of the battery and the speed reducing mechanism, in order to meet the requirement of large transmission ratio, the three forms have the defects of integral size, length, height and the like, and the speed reducing mechanism has the defects of short service life, large stroke error and the like due to large structural size and large impact force of the speed reducing mechanism.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a speed reducing mechanism of an intelligent valve actuator, so as to solve the problems of short service life and large stroke error of the speed reducing mechanism of the existing valve actuator due to large structural size and large impact force.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a speed reducing mechanism of an intelligent valve actuator, which comprises a base, and a planetary gear train mechanism with small tooth difference, a chain transmission mechanism and a worm gear mechanism which are arranged on the base, wherein the output end of the planetary gear train mechanism with small tooth difference is connected with the input end of the worm gear mechanism through the chain transmission mechanism, and the output end of the worm gear mechanism is connected with a valve switch.
In a possible implementation mode, the planetary gear train mechanism with small tooth difference comprises a motor, a planet carrier I, a sun gear II, a planet carrier II, a supporting shaft and a duplex planet gear, wherein the motor and the sun gear I are coaxially and fixedly arranged on the base, and an output shaft of the motor is connected with the planet carrier I; one end of the supporting shaft is coaxially connected with the sun gear I, and the other end of the supporting shaft is fixedly connected with the base; the sun gear II is rotatably arranged on the supporting shaft; the planet carrier II is arranged above the sun gear II and is connected with the planet carrier I through a duplex planet gear, the sun gear I is in transmission connection with the sun gear II through the duplex planet gear, and the sun gear II is connected with the chain transmission mechanism.
In a possible implementation mode, the duplex planet wheel comprises a planet wheel shaft, a planet wheel I and a planet wheel II, wherein one end of the planet wheel shaft is rotationally connected with the planet carrier I, and the other end of the planet wheel shaft is rotationally connected with the planet carrier II; a planet wheel I and a planet wheel II are arranged on the planet gear shaft, the planet wheel I is meshed with the sun wheel I, and the planet wheel II is meshed with the sun wheel II.
In a possible implementation, the diameters of the planet wheels I and II are equal and smaller than the diameters of the sun wheels I and II.
In one possible implementation manner, the duplex planet wheels are two groups and are symmetrically arranged; the planetary gear shaft and the supporting shaft are arranged in parallel.
In one possible implementation, the sun gear i and the sun gear ii are equal in diameter and the sun gear ii has one less tooth than the sun gear i.
In a possible implementation, the sun gear i and the sun gear ii are located between the planet carrier i and the planet carrier ii.
In a possible implementation mode, the chain transmission mechanism comprises a chain wheel I, a chain and a chain wheel II, wherein the chain wheel I is fixedly connected with the sun gear II in a coaxial mode, the chain wheel II is arranged on an input shaft of the worm gear mechanism, and the chain wheel I is in transmission connection with the chain wheel II through the chain.
In a possible implementation manner, the worm and gear mechanism includes a worm shaft, a worm wheel shaft and a worm wheel, wherein the worm shaft is rotatably mounted on the base, the worm shaft is parallel to the supporting shaft, the worm wheel shaft is rotatably mounted on the base, the worm wheel shaft is perpendicular to the worm shaft, the worm wheel is fixedly mounted on the worm wheel shaft, the worm wheel is meshed with the worm shaft, and the worm wheel shaft is connected with the valve switch.
In a possible realization mode, the bottom of the chain wheel II is provided with a reinforcing plate.
The invention has the advantages and beneficial effects that: the speed reducing mechanism of the intelligent valve actuator provided by the invention has the advantages of small volume, simple and compact structure, convenience in maintenance and small impact force, and the service life of the intelligent valve actuator is prolonged.
The invention has the advantages of large output torque, large reduction ratio, small stroke error and electric or manual driving mode.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a speed reducing mechanism of an intelligent valve actuator according to the present invention;
FIG. 2 is a view taken along the line A in FIG. 1;
in the figure: 1-motor, 2-motor connection screw, 3-base, 4-planet carrier i, 5-planet carrier bearing i, 6-sun gear i connection screw, 7-sun gear i, 8-planet gear shaft i, 9-sun gear ii, 10-planet carrier ii, 11-planet carrier bearing ii, 12-sun gear ii bearing i, 13-sleeve i, 14-sun gear ii bearing ii, 15-sleeve ii, 16-sleeve iii, 17-sprocket i connection screw, 18-sprocket i, 19-chain, 20-planet gear shaft bearing iii, 21-sprocket ii, 22-worm shaft bearing i, 23-sleeve iv, 24-worm shaft key, 25-sprocket ii connection screw, 26-reinforcement plate, 27-worm shaft, 28-worm shaft, 29-worm gear, 30-worm shaft bearing ii, 31-planet shaft bearing ii, 32-planet gear shaft bearing iv, 33-support shaft, 34-motor shaft key, 35-valve shaft sleeve, 36-worm gear shaft key i, 37-worm gear shaft bearing ii, 38-planet gear shaft bearing ii, 39-planet gear shaft bearing ii, 41-planet gear shaft bearing ii, 38-planet gear shaft bearing ii, and 40-planet gear shaft bearing ii.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the invention provides a speed reducing mechanism of an intelligent valve actuator, which has the advantages of small size, simple and compact structure, convenience in maintenance and small impact force, and the service life of the intelligent valve actuator is prolonged. Referring to fig. 1, the speed reducing mechanism of the intelligent valve actuator comprises a base 3, and a planetary gear train mechanism with small tooth difference, a chain transmission mechanism and a worm gear mechanism which are arranged on the base 3, wherein an output end of the planetary gear train mechanism with small tooth difference is connected with an input end of the worm gear mechanism through the chain transmission mechanism, and an output end of the worm gear mechanism is connected with a valve switch 35.
Referring to fig. 1, in the embodiment of the present invention, the planetary gear train mechanism with small tooth difference includes a motor 1, a planet carrier i 4, a sun gear i 7, a sun gear ii 9, a planet carrier ii 10, a supporting shaft 33, and a duplex planetary gear, wherein the motor 1 is connected with a base 3 through a motor connecting screw 2, and an output shaft of the motor 1 is connected with the planet carrier i 4. The sun gear I7 and the motor 1 are coaxially and fixedly arranged on the base 3, one end of a supporting shaft 33 is coaxially connected with the sun gear I7, and the other end of the supporting shaft 33 is fixedly connected with the base 3; the sun gear II 9 is rotatably arranged on the supporting shaft 33; the planet carrier II 10 is arranged above the sun gear II 9 and is connected with the planet carrier I4 through a duplex planet gear, the sun gear I7 is in transmission connection with the sun gear II 9 through the duplex planet gear, and the sun gear II 9 is connected with the chain transmission mechanism.
Specifically, the carrier i 4 is connected to the output shaft of the motor 1 through a motor key 34 as a train driving member. The sun gear I7 is connected with the base 3 through a sun gear I connecting screw 6, the sun gear II 9 is connected with a supporting shaft 33 through a sun gear II supporting bearing I12, a shaft sleeve I13 and a sun gear II supporting bearing II 14 which are sequentially arranged, and the sun gear II 9 is used as an output member of the planetary gear train mechanism with small tooth difference.
In the embodiment of the invention, the duplex planet wheel comprises a planet gear shaft, a planet wheel I42 and a planet wheel II 43, wherein one end of the planet gear shaft is rotationally connected with the planet carrier I4, and the other end of the planet gear shaft is rotationally connected with the planet carrier II 10; and a planet wheel I42 and a planet wheel II 43 are arranged on the planet gear shaft, the planet wheel I42 is meshed with the sun wheel I7, and the planet wheel II 43 is meshed with the sun wheel II 9.
Further, the planetary gear shafts are arranged in parallel with the support shaft 33. The diameters of the planet wheels I42 and II 43 are equal and smaller than the diameters of the sun wheel I7 and the sun wheel II 9.
Further, sun gear I7 and sun gear II 9 are located between planet carrier I4 and planet carrier II 10. Sun gear i 7 and sun gear ii 9 are equal in diameter, and sun gear ii 9 has one less tooth than sun gear i 7.
In the embodiment of the invention, the duplex planet wheels are divided into two groups which are symmetrically arranged; the two duplex planet wheels play the roles of load balancing and inertia balancing, and the motion stability of the system is improved. Specifically, a planet gear shaft I8 and a planet gear shaft II 31 in the two sets of duplex planet gears are arranged on two sides of the supporting shaft 33 in parallel, the lower end of the planet gear shaft I8 is rotatably connected with the planet carrier I4 through a planet gear shaft supporting bearing I5, and the upper end of the planet gear shaft I8 is rotatably connected with the planet carrier II 10 through a planet gear shaft supporting bearing II 11. That is, the two ends of the planet gear shaft I8 are respectively arranged on the inner rings of the planet gear shaft supporting bearing I5 and the planet gear shaft supporting bearing II 11, and the two outer rings of the bearings are respectively arranged on the bearing seats of the planet carrier I4 and the planet carrier II 10. The upper end of the planet gear shaft II 31 is rotatably connected with the planet carrier II 10 through a planet gear shaft supporting bearing III 20, and the lower end of the planet gear shaft II 31 is rotatably connected with the planet carrier I4 through a planet gear shaft supporting bearing IV 32. That is, the two ends of the planet gear shaft ii 31 are respectively mounted on the inner rings of the planet shaft supporting bearing iii 20 and the planet shaft supporting bearing iv 32, and the two outer rings of the bearings are respectively mounted on the bearing seats of the planet carrier ii 10 and the planet carrier i 4.
In the embodiment of the invention, the chain transmission mechanism comprises a chain wheel I18, a chain 19 and a chain wheel II 21, wherein the chain wheel I18 is coaxially and fixedly connected with a sun wheel II 9 through a chain wheel I connecting screw 17, the end surfaces of the two sides of the chain wheel I18 are axially limited through a shaft sleeve II 15 and a shaft sleeve III 16 which are sleeved on a supporting shaft 33, and the chain wheel I18 is used as a driving wheel of the chain transmission mechanism. The chain wheel II 21 is arranged on an input shaft of the worm gear mechanism and is used as a driven wheel, and the chain wheel II 21 is in transmission connection with the chain wheel I18 through a chain 19.
In the embodiment of the present invention, the worm and gear mechanism includes a worm shaft 27, a worm gear shaft 28 and a worm wheel 29, wherein the worm shaft 27 is rotatably mounted on the base 3, the worm shaft 27 is parallel to the support shaft 33, the worm gear shaft 28 is rotatably mounted on the base 3, the worm gear shaft 28 is perpendicular to the worm shaft 27, the worm wheel 29 is fixedly mounted on the worm gear shaft 28, the worm wheel 29 is engaged with the worm shaft 27, and the worm gear shaft 28 is connected to the valve switch 35.
Further, the bottom of the sprocket II 21 is connected with a reinforcing plate 26 through a sprocket II connecting screw 25 so as to reinforce the strength.
Specifically, as shown in fig. 1 to 2, both ends of the worm shaft 27 are connected to the housing 3 through a worm shaft support bearing i 22 and a worm shaft support bearing ii 30, respectively. The chain wheel II 21 is connected with the worm shaft 27 through a worm shaft key 24 and is axially limited through a shaft sleeve IV 23 sleeved on the worm shaft 27. The worm wheel shaft 28 is rotatably connected with the engine base 3 through a worm wheel shaft supporting bearing I38 and a worm wheel shaft supporting bearing II 41, the worm wheel shaft supporting bearing I38 is axially limited through a shaft sleeve V37 and a shaft sleeve VI 39 which are sleeved on the worm wheel shaft 28, and the worm wheel shaft supporting bearing II 41 is axially limited through a shaft shoulder of the worm wheel shaft 28. The worm wheel 29 is connected with the worm wheel shaft 28 through a worm wheel shaft key II 40, and the valve switch 35 is connected with the worm wheel shaft 28 through a worm wheel shaft key I36. The worm shaft 27 serves as a driving member of the worm gear mechanism, and the worm shaft 28 and the worm wheel 29 serve as a driven member of the worm gear mechanism. The valve switch 35 is installed on the worm wheel shaft 28 to realize the opening and closing of the valve.
The invention relates to a speed reducing mechanism of an intelligent actuator of a valve.A planetary gear train mechanism with small tooth difference is connected with an output shaft of a motor 1 by a planet carrier I4 and is used as a driving part. The two duplex planet wheels play a role in load balancing and inertia balancing, and the motion stability of the system is improved. The sun gear I7 is connected with the base 3 and is fixed. The sun gear II 9 is used as an output shaft of the planetary gear train and an input shaft of the chain transmission mechanism. The worm shaft 27 is an output shaft of the chain transmission mechanism and an input shaft of the worm and gear mechanism, the worm wheel shaft 28 is an output shaft of the worm and gear mechanism, and the worm wheel shaft 28 is connected with the valve switch 35 to form a speed reducing mechanism of the intelligent valve actuator. The invention has the advantages of large output torque, large reduction ratio, simple and compact structure and convenient maintenance and maintenance, and simultaneously has an electric or manual driving mode.
In the embodiment of the invention, in the planetary gear train mechanism with small teeth difference, the fixed connection structure of the base 3 and the sun gear I7 enables the sun gear I7 to be the base of the supporting shaft 33 in the planetary gear train mechanism with small teeth difference, so that the structure is compact and the supporting is reliable. The structure of the planet carrier I4 is used as a driving element of the planetary gear train and is connected with the output shaft of the motor 1, and the structure of the planet carrier I4 does not generate motion interference with the structure of the sun gear I7 and the base 3. The gear structure of the sun gear II 9 provides reliable support for the planetary gear train, so that the structure is reasonable, and the gear train runs stably. The difference between the tooth numbers of the sun gear I7 and the sun gear II 9 is 1 tooth, and a large reduction ratio is realized.
The speed reducing mechanism of the intelligent valve actuator provided by the invention has the advantages of small volume, simple and compact structure, convenience in maintenance and small impact force, and the service life of the intelligent valve actuator is prolonged. The invention has the advantages of large output torque, large reduction ratio, small stroke error and electric or manual driving mode.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The speed reducing mechanism of the intelligent valve actuator is characterized by comprising a base (3), and a planetary gear train mechanism with small tooth difference, a chain transmission mechanism and a worm and gear mechanism which are arranged on the base (3), wherein the output end of the planetary gear train mechanism with small tooth difference is connected with the input end of the worm and gear mechanism through the chain transmission mechanism, and the output end of the worm and gear mechanism is connected with a valve switch (35).
2. The speed reducing mechanism of the intelligent valve actuator according to claim 1, wherein the planetary gear train mechanism with small tooth difference comprises a motor (1), a planet carrier I (4), a sun gear I (7), a sun gear II (9), a planet carrier II (10), a supporting shaft (33) and duplex planetary gears, wherein the motor (1) and the sun gear I (7) are coaxially and fixedly installed on the base (3), and an output shaft of the motor (1) is connected with the planet carrier I (4); one end of the supporting shaft (33) is coaxially connected with the sun gear I (7), and the other end of the supporting shaft (33) is fixedly connected with the base (3); the sun gear II (9) is rotatably arranged on the supporting shaft (33); the planet carrier II (10) is arranged above the sun gear II (9) and is connected with the planet carrier I (4) through a duplex planet gear, the sun gear I (7) is in transmission connection with the sun gear II (9) through the duplex planet gear, and the sun gear II (9) is connected with the chain transmission mechanism.
3. The reduction mechanism of the intelligent actuator of the valve, as recited in claim 2, is characterized in that the duplex planetary gear comprises a planetary gear shaft, a planetary gear I (42) and a planetary gear II (43), wherein one end of the planetary gear shaft is rotationally connected with the planetary carrier I (4), and the other end of the planetary gear shaft is rotationally connected with the planetary carrier II (10); and a planet wheel I (42) and a planet wheel II (43) are arranged on the planet gear shaft, the planet wheel I (42) is meshed with the sun wheel I (7), and the planet wheel II (43) is meshed with the sun wheel II (9).
4. The speed reducing mechanism of the intelligent valve actuator as claimed in claim 3, wherein the diameters of the planet wheels I (42) and II (43) are equal and smaller than the diameters of the sun wheels I (7) and II (9).
5. The reducing mechanism of the intelligent actuator of the valve according to claim 3, wherein the duplex planet wheels are arranged in two groups and are symmetrically arranged; the planetary gear shaft is arranged in parallel with the support shaft (33).
6. The retarding mechanism of an intelligent valve actuator according to claim 3, wherein the sun gear I (7) and the sun gear II (9) have the same diameter, and the sun gear II (9) has one less tooth than the sun gear I (7).
7. The reduction mechanism of the intelligent valve actuator according to claim 2, wherein the sun gear I (7) and the sun gear II (9) are positioned between the planet carrier I (4) and the planet carrier II (10).
8. The speed reducing mechanism of the intelligent valve actuator according to claim 2, wherein the chain transmission mechanism comprises a chain wheel I (18), a chain (19) and a chain wheel II (21), wherein the chain wheel I (18) is coaxially and fixedly connected with the sun gear II (9), the chain wheel II (21) is arranged on the input shaft of the worm gear mechanism, and the chain wheel I (18) is in transmission connection with the chain wheel II (21) through the chain (19).
9. The speed reducing mechanism of the intelligent valve actuator of claim 8, wherein a reinforcing plate (26) is arranged at the bottom of the chain wheel II (21).
10. The reducing mechanism of the intelligent valve actuator according to claim 2, wherein the worm gear mechanism comprises a worm shaft (27), a worm gear shaft (28) and a worm wheel (29), the worm shaft (27) is rotatably mounted on the housing (3), the worm shaft (27) is parallel to the support shaft (33), the worm gear shaft (28) is rotatably mounted on the housing (3), the worm gear shaft (28) is perpendicular to the worm shaft (27), the worm wheel (29) is fixedly arranged on the worm gear shaft (28), the worm wheel (29) is meshed with the worm shaft (27), and the worm gear shaft (28) is connected with the valve switch (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298625.1A CN115435133B (en) | 2022-10-24 | 2022-10-24 | Speed reducing mechanism of intelligent valve actuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298625.1A CN115435133B (en) | 2022-10-24 | 2022-10-24 | Speed reducing mechanism of intelligent valve actuator |
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| CN115435133A true CN115435133A (en) | 2022-12-06 |
| CN115435133B CN115435133B (en) | 2023-03-24 |
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| CN2221124Y (en) * | 1995-03-10 | 1996-02-28 | 王宪平 | Tandem planetary gear differential sped reducer |
| CN1877160A (en) * | 2006-07-07 | 2006-12-13 | 重庆大学 | Speed reducer dedicated for electric actuator |
| CN102022484A (en) * | 2010-12-06 | 2011-04-20 | 上海锦珠减速器制造有限公司 | Three-stage combined planetary speed reducer and realization method thereof |
| CN102062176A (en) * | 2010-11-24 | 2011-05-18 | 重庆航天职业技术学院 | Speed reducer |
| CN103016632A (en) * | 2012-12-04 | 2013-04-03 | 陕西渭河工模具总厂 | Orthogonal planetary speed reducer |
| CN103206491A (en) * | 2013-04-18 | 2013-07-17 | 新疆金风科技股份有限公司 | Speed reducer |
| CN106641115A (en) * | 2017-02-13 | 2017-05-10 | 西北工业大学 | Coaxial contrarotating speed reducer |
| CN207229679U (en) * | 2017-08-15 | 2018-04-13 | 蚌埠市行星工程机械有限公司 | A kind of industrial robot precision speed reduction device |
| CN109681690A (en) * | 2018-12-28 | 2019-04-26 | 常州市汇丰船舶附件制造有限公司 | The deceleration device of valve intelligent actuator |
-
2022
- 2022-10-24 CN CN202211298625.1A patent/CN115435133B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221124Y (en) * | 1995-03-10 | 1996-02-28 | 王宪平 | Tandem planetary gear differential sped reducer |
| CN1877160A (en) * | 2006-07-07 | 2006-12-13 | 重庆大学 | Speed reducer dedicated for electric actuator |
| CN102062176A (en) * | 2010-11-24 | 2011-05-18 | 重庆航天职业技术学院 | Speed reducer |
| CN102022484A (en) * | 2010-12-06 | 2011-04-20 | 上海锦珠减速器制造有限公司 | Three-stage combined planetary speed reducer and realization method thereof |
| CN103016632A (en) * | 2012-12-04 | 2013-04-03 | 陕西渭河工模具总厂 | Orthogonal planetary speed reducer |
| CN103206491A (en) * | 2013-04-18 | 2013-07-17 | 新疆金风科技股份有限公司 | Speed reducer |
| CN106641115A (en) * | 2017-02-13 | 2017-05-10 | 西北工业大学 | Coaxial contrarotating speed reducer |
| CN207229679U (en) * | 2017-08-15 | 2018-04-13 | 蚌埠市行星工程机械有限公司 | A kind of industrial robot precision speed reduction device |
| CN109681690A (en) * | 2018-12-28 | 2019-04-26 | 常州市汇丰船舶附件制造有限公司 | The deceleration device of valve intelligent actuator |
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| CN115435133B (en) | 2023-03-24 |
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