CN205781274U - A kind of valve positioner duplicate gear - Google Patents
A kind of valve positioner duplicate gear Download PDFInfo
- Publication number
- CN205781274U CN205781274U CN201620510208.2U CN201620510208U CN205781274U CN 205781274 U CN205781274 U CN 205781274U CN 201620510208 U CN201620510208 U CN 201620510208U CN 205781274 U CN205781274 U CN 205781274U
- Authority
- CN
- China
- Prior art keywords
- gear
- axis hole
- duplicate
- valve positioner
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gears, Cams (AREA)
- Gear Transmission (AREA)
Abstract
The utility model discloses a kind of valve positioner duplicate gear, including gear, gear includes the first gear and the second gear, the first teeth it are uniformly provided with on first gear, the second teeth it are uniformly provided with on second gear, first gear is bigger than the diameter of the second gear, first gear and the second gear are on same axial line and connect by welding manner is fixing, gear center is provided with axis hole, on the axis hole of gear, the one end near the first gear separately sets the first axis hole, on the axis hole of gear, the one end near the second gear separately sets the second axis hole, on first axis hole and described axis hole, distance between one end of the first axis hole is equal to distance between one end of the second axis hole on the second axis hole and described axis hole, first axis hole is identical with described second shaft hole diameter, first axis hole is bigger than the diameter of axis hole；The duplicate gear that the utility model proposes rotates more stablizes safety, improves the work efficiency of the complete machine of valve positioner.
Description
Technical field
This utility model relates to a kind of duplicate gear, is specifically related to a kind of valve positioner duplicate gear.
Background technology
Duplicate gear is exactly the gear that two gears coaxial and separated by a distance are made of one as its name suggests, generally same modulus, it is used for the shifting slide gear of change speed gear box, its effect changes rotating speed or the speed of output shaft exactly, in gear-box, there is shifting slide gear just can have various rotating speed or speed, there is no a kind of rotating speed of shifting slide gear or speed.
The regulation that duplicate gear is applied in valve positioner to realize valve controls, the transmission of complete machine device can be effectively controlled for transmitting power by engaging of duplicate gear and other gears, valve positioner is product matching used with electric device for valve, the movement velocity of opening and closing and control valve in order to control electrically operated valve, the remote control to electrically operated valve in can be implemented in control room, along with automation development is rapid, electric valve controller application is more and more, and electric valve controller controls valve by motorized motions mode；
The machine driving of electric valve controller uses planetary gear train, in planet gear wheel-train, need fixing multiple gears are installed, electric valve controller is higher to Valve controlling required precision, some defects existed due to duplicate gear itself are such as difficult to fixed and positioned, causing the job stability of equipment poor etc., Valve controlling precision can be caused to reduce, therefore the technical research to duplicate gear has very important significance.
Summary of the invention
For solving the problems referred to above, the utility model discloses a kind of valve positioner duplicate gear, high accuracy coordinates other gears in valve positioner, is more prone to fixed and positioned so that complete machine job stability is higher.
nullIn order to reach object above，This utility model following technical scheme of offer: a kind of valve positioner duplicate gear，Including gear，Described gear includes the first gear and the second gear，It is uniformly provided with the first teeth on described first gear，It is uniformly provided with the second teeth on described second gear，Described first gear is bigger than the diameter of the second gear，Described first gear and the second gear are on same axial line and connect by welding manner is fixing，Described gear center is provided with axis hole，Described axis hole is arranged along described gear axis direction，On the axis hole of described gear, the one end near described first gear separately sets the first axis hole，On the axis hole of described gear, the one end near described second gear separately sets the second axis hole，On described first axis hole and described axis hole, distance between one end of described first axis hole is equal to distance between one end of described second axis hole on described second axis hole and described axis hole，Described first axis hole is identical with described second shaft hole diameter，Described first axis hole is bigger than the diameter of axis hole.
Further, when mounted, the both sides of described first axis hole and the both sides equal putting hole back-up ring of the second axis hole.
Further, described first gear and the second gear all use steel alloy to be made.
Further, described first gear and the second gear are integrated machine-shaping.
This utility model compared with the prior art, has the advantage, that and applies the duplicate gear that the utility model proposes in valve positioner, and safety is more stablized in the rotation of duplicate gear, improves the work efficiency of the complete machine of valve positioner.
Accompanying drawing explanation
Fig. 1 is the structural representation of the duplicate gear that the utility model proposes.
Fig. 2 is that the duplicate gear that the utility model proposes is connected with miscellaneous part in planetary gear train schematic diagram in valve positioner.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with this utility model, it should be understood that following detailed description of the invention is merely to illustrate this utility model rather than limits scope of the present utility model.
nullAs shown in Figure 1，The duplicate gear that the utility model proposes，Including gear 1，Described gear 1 includes the first gear 100 and the second gear 101，It is uniformly provided with the first teeth 1000 on described first gear 100，It is uniformly provided with the second teeth 1010 on described second gear 101，The diameter of described first gear 100 to the second gear 101 is big，Described first gear 100 and the second gear 101 is on same axial line and connects by welding manner is fixing，Described gear 1 center is provided with axis hole 3，Described axis hole 3 is arranged along described gear 1 axis direction，On the axis hole 3 of described gear 1, the one end near described first gear 100 separately sets the first axis hole 4，On the axis hole 3 of described gear 1, the one end near described second gear 101 separately sets the second axis hole 5，On described first axis hole 4 and described axis hole 3, distance between one end of described first axis hole 4 is equal to distance between one end of described second axis hole 5 on described second axis hole 5 and described axis hole 3，Described first axis hole 4 is identical with described second axis hole 5 diameter，Described first axis hole 4 is bigger than the diameter of axis hole 3，Described first axis hole 4 is compared with described axis hole 3，The axis hole part that described first axis hole 4 has past both sides to protrude，Described second axis hole 5 is compared with described axis hole 3，The axis hole part that described second axis hole 5 has past both sides to protrude，When installing fixing，Described first axis hole 4 is compared the axle hole that axis hole 3 protrudes toward both sides and is set up porose back-up ring 509 separately，Described second axis hole 5 is compared the axis hole part that axis hole 3 protrudes toward both sides and also is provided with hole back-up ring 509，Make when installing connecting shaft that connecting shaft installs is more stable，Can effectively prevent the vibrations of duplicate gear，Greatly strengthen stability and the safety of duplicate gear；
nullIn this utility model embodiment，As shown in Figure 2，In the mechanical driving device i.e. planet gear wheel-train of a valve positioner，Including motor coupling gear 505、Duplicate gear 503、Worm gear 504、Eccentric shaft 502 and output gear axle 501，Described motor coupling gear 505、Worm gear 504、Duplicate gear 503、It is equipped with axis hole with output gear axle 501 center，In the axis hole of described worm gear 504 is located at by described duplicate gear 503 and it is connected with described worm gear 504，In the axis hole of described worm gear 504 is located in described output gear axle 501 upper end and it is connected with described worm gear 504，Described duplicate gear 503 lower end is positioned at the axis hole of described output gear axle 501 and is connected with described output gear axle 501，Described eccentric shaft 502 passes sequentially through the 3rd bearing 507、The axis hole of described motor coupling gear 505、The axis hole of described duplicate gear 503 and the axis hole of described output gear axle 501，Compare, at described first axis hole 4, the axle hole that axis hole 3 protrudes toward both sides and set up porose back-up ring 509 separately，Described second axis hole 5 is compared the axis hole part that axis hole 3 protrudes toward both sides and also is provided with hole back-up ring 509，By duplicate gear and other each gears、Being connected between axle，The rotation of duplicate gear more possesses stability and safety.
Described first gear 100 and the second gear 101 all use steel alloy to be made, and described first gear 100 and the second gear 101 are integrated machine-shaping.
Technological means disclosed in this utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also includes the technical scheme being made up of above technical characteristic combination in any.It should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
- null1. a valve positioner duplicate gear，It is characterized in that: include gear (1)，Described gear (1) includes the first gear (100) and the second gear (101)，It is uniformly provided with the first teeth (1000) on described first gear (100)，It is uniformly provided with the second teeth (1010) on described second gear (101)，Described first gear (100) is bigger than the diameter of the second gear (101)，Described first gear (100) and the second gear (101) are on same axial line and connect by welding manner is fixing，Described gear (1) center is provided with axis hole (3)，Described axis hole (3) is arranged along described gear (1) axis direction，The upper one end near described first gear (100) of axis hole (3) in described gear (1) separately sets the first axis hole (4)，The upper one end near described second gear (101) of axis hole (3) in described gear (1) separately sets the second axis hole (5)，Described first axis hole (4) and the upper distance between one end of described first axis hole (4) of described axis hole (3) are equal to the upper distance between one end of described second axis hole (5) of described second axis hole (5) and described axis hole (3)，Described first axis hole (4) is identical with described second axis hole (5) diameter，Described first axis hole (4) is bigger than the diameter of axis hole (3).
- Valve positioner duplicate gear the most according to claim 1, it is characterised in that: when mounted, the both sides of described first axis hole (4) and the both sides equal putting hole back-up ring (509) of the second axis hole (5).
- Valve positioner duplicate gear the most according to claim 1, it is characterised in that: described first gear (100) and the second gear (101) all use steel alloy to be made.
- Valve positioner duplicate gear the most according to claim 1, it is characterised in that: described first gear (100) and the second gear (101) are integrated machine-shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510208.2U CN205781274U (en) | 2016-05-31 | 2016-05-31 | A kind of valve positioner duplicate gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510208.2U CN205781274U (en) | 2016-05-31 | 2016-05-31 | A kind of valve positioner duplicate gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781274U true CN205781274U (en) | 2016-12-07 |
Family
ID=58137870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620510208.2U Expired - Fee Related CN205781274U (en) | 2016-05-31 | 2016-05-31 | A kind of valve positioner duplicate gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781274U (en) |
-
2016
- 2016-05-31 CN CN201620510208.2U patent/CN205781274U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |