CN217683508U - Turbine wheel mechanism for case - Google Patents
Turbine wheel mechanism for case Download PDFInfo
- Publication number
- CN217683508U CN217683508U CN202221156990.4U CN202221156990U CN217683508U CN 217683508 U CN217683508 U CN 217683508U CN 202221156990 U CN202221156990 U CN 202221156990U CN 217683508 U CN217683508 U CN 217683508U
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- hand wheel
- transmission shaft
- driven
- turbine box
- turbine
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to a valve accessories technical field, especially relate to a turbine wheel mechanism for turbine case, the transmission shaft passes threaded connection between turbine box and transmission shaft and the turbine box, the transmission shaft both sides are located to the hand wheel, the hand wheel includes a set of initiative hand wheel and a set of driven hand wheel, driven hand wheel locates the transmission shaft and is close to turbine box one end, initiative hand wheel locates the transmission shaft and keeps away from turbine box one end, be equipped with the sleeve pipe on the transmission shaft, the last base that is equipped with of turbine box, bushing is at the base, it carries out corresponding action to drive turbine box through setting up initiative hand wheel and driven hand wheel cooperation transmission shaft, the box of keeping away from of initiative hand wheel setting, mainly consider to alleviate the pressure that the transmission shaft is close to initiative hand wheel one side, avoid long-time use the back, because the life of too fast reduction transmission shaft of mechanical fatigue, the sleeve pipe can wrap up the exposed part of transmission shaft, and protect the exposed part of transmission shaft, avoid external force damage transmission shaft.
Description
Technical Field
The utility model relates to a valve accessory technical field especially relates to a turbine wheel mechanism for turbine case.
Background
A switching hand wheel mechanism in the existing pneumatic actuator mainly comprises a box body, wherein a worm and gear mechanism is arranged in the box body, two ends of a worm are rotationally connected to the box body through eccentric half shafts, the eccentric half shafts are in non-coaxial connection with the worm, the two eccentric half shafts are respectively fixed with the corresponding end parts of a switching handle, a hand wheel is arranged at one end part of the worm, and the operating principle of the switching hand wheel mechanism is that when the switching handle rotates reversely, the worm is separated from the worm gear; when switching handle forward rotation, worm and turbine meshing, at this moment, it is rotatory to rotate the hand wheel and drive the worm promptly, and then it is rotatory to drive the turbine, but after long-term the use, inevitable can appear the friction between the eccentric orfice of worm and eccentric semi-axis, and this frictional force can drive eccentric semi-axis forward rotation gradually, because worm and turbine meshing cooperation, promptly between the two can't be close to again, thereby the forward rotation of eccentric semi-axis can make its eccentric orfice and worm no longer coaxial, finally lead to worm and eccentric orfice to block each other extremely, some means now, still mainly utilize the hand wheel to reduce turbine box long-time after using, the dead phenomenon of friction lock between the eccentric orfice of worm and eccentric semi-axis, but the hand wheel is in the use, can also reduce its wearing and tearing when how to improve its life, become the problem that needs solve urgently.
Therefore, a hand wheel mechanism for a turbine box is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a turbine wheel mechanism for turbine case for when utilizing the improvement hand wheel to drive the turbine action among the solution prior art, the life's of hand wheel problem.
For realizing above-mentioned purpose and other relevant purposes, the utility model provides a wheel mechanism for turbine case, including turbine box, transmission shaft and hand wheel, the transmission shaft passes threaded connection between turbine box and transmission shaft and the turbine box, the transmission shaft both sides are located to the hand wheel, the hand wheel includes a set of driving hand wheel and a set of driven hand wheel, driven hand wheel locates the transmission shaft and is close to turbine box one end, driving hand wheel locates the transmission shaft and keeps away from turbine box one end, be equipped with the sleeve pipe on the transmission shaft, be equipped with the base on the turbine box, bushing is on the base.
In an embodiment of the utility model, fix through the bolt mounting between initiative hand wheel and the transmission shaft, initiative hand wheel central point puts and is equipped with the hand wheel lid, the bolt mounting runs through the hand wheel lid and sets up, be equipped with the packing ring between hand wheel lid and the bolt mounting, be equipped with the bolt hole on the transmission shaft, bolt mounting threaded connection is in the bolt hole.
In an embodiment of the utility model, be equipped with the hand wheel sleeve pipe with initiative hand wheel contact surface department on the transmission shaft, it is equipped with roller bearing to be close to initiative hand wheel one end in the hand wheel sleeve pipe, the intraductal roller bearing rear end of hand wheel sleeve is equipped with the sealing washer.
In an embodiment of the utility model, fix through driven bolt mounting between driven hand wheel and the transmission shaft, driven hand wheel central point puts and is equipped with driven hand wheel lid, driven hand wheel lid covers the setting of driven bolt mounting, be equipped with driven bolt hole on the transmission shaft, driven bolt mounting threaded connection is downthehole at driven bolt.
In an embodiment of the present invention, a driven roller bearing is disposed between the transmission shaft and the driven hand wheel, and the driven roller bearing is tightly attached to the inner wall of the turbine housing.
In an embodiment of the present invention, the base is provided with a positioning bolt.
As described above, the utility model discloses a wheel mechanism for turbine case has following beneficial effect:
1. drive the turbine box through setting up initiative hand wheel and driven hand wheel cooperation transmission shaft and carry out corresponding action, the box is kept away from in the setting of initiative hand wheel, mainly considers to alleviate the transmission shaft and is close to the pressure of initiative hand wheel one side, avoids long-time back of using, because the life of mechanical fatigue reduction transmission shaft too fast.
2. The sleeve pipe can wrap up the exposed part of transmission shaft to the exposed part of protection transmission shaft avoids external force damage transmission shaft, and to the hand wheel, sheathed tube setting can play spacing supporting role to the hand wheel moreover, avoids long-term use back because mechanical fatigue, and the hand wheel that leads to takes place the dislocation phenomenon.
3. The bolt fixing piece penetrates through the hand wheel cover to be arranged, so that the hand wheel cover can be tightly pressed at the center of the hand wheel, a gasket is further arranged between the hand wheel cover and the bolt fixing piece, and the problem that the bolt fixing piece is loosened from the hand wheel cover after being used for a long time and the fastening effect of the bolt fixing piece is influenced is avoided.
Drawings
Fig. 1 shows a schematic structural diagram of a wheel mechanism for a turbine box disclosed in an embodiment of the present invention.
Description of the element reference numerals
1. A turbine case; 2. a drive shaft; 3. a driving hand wheel; 4. a driven hand wheel; 5. a sleeve; 6. a base; 7. a hand wheel cover; 8. a bolt fixing member; 9. a gasket; 10. bolt holes; 11. a hand wheel casing; 12. a roller bearing; 13. a seal ring; 14. a driven bolt securing member; 15. a driven handwheel cover; 16. a driven roller bearing.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention provides a wheel mechanism for a turbine box, which is implemented by passing a transmission shaft 2 through a turbine box 1 and connecting the transmission shaft 2 with the turbine box 1 by screw threads, so that the transmission shaft 2 can be used as a power source of the turbine box 1 to drive the turbine box 1 to move, the hand wheels are disposed on two sides of the transmission shaft 2, the hand wheels include a set of driving hand wheels 3 and a set of driven hand wheels 4, the two sets of hand wheels are respectively driven and actively disposed, different requirements are required on sealing specifications for the assembly process of the driving hand wheels 3 and the driven hand wheels 4, the driven hand wheels 4 are disposed on one end of the transmission shaft 2 close to the turbine box 1, the driving hand wheels 3 are disposed on one end of the transmission shaft 2 away from the turbine box 1, and the driving hand wheels 3 are disposed away from the box, the pressure of the transmission shaft 2 close to one side of the driving hand wheel 3 is reduced, long-time use is avoided, the service life of the transmission shaft 2 is shortened due to too fast mechanical fatigue, the transmission shaft 2 is provided with the sleeve 5, the turbine box body 1 is provided with the base 6, the sleeve 5 is connected to the base 6, the base 6 is provided with the positioning bolt, the base 6 is installed in a corresponding working face through a corresponding fixing piece through the positioning bolt, the sleeve 5 is also connected with the base 6, the sleeve 5 can wrap the exposed part of the transmission shaft 2 and protect the exposed part of the transmission shaft 2, the transmission shaft 2 is prevented from being damaged by external force, and for the hand wheel, the sleeve 5 can play a limiting and supporting role on the hand wheel, and the phenomenon that the hand wheel is staggered due to mechanical fatigue after long-term use is avoided;
the driving hand wheel 3 and the transmission shaft 2 are fixed through a bolt fixing part 8, a hand wheel cover 7 is arranged at the central position of the driving hand wheel 3, the bolt fixing part 8 penetrates through the hand wheel cover 7, the hand wheel cover 7 is arranged at the central position of the driving hand wheel 3, the bolt fixing part 8 penetrates through the hand wheel cover 7, so that the hand wheel cover 7 can be tightly pressed at the central position of the hand wheel, a gasket 9 is also arranged between the hand wheel cover 7 and the bolt fixing part 8, the bolt fixing part 8 is prevented from loosening with the hand wheel cover 7 after being used for a long time, the fastening effect of the bolt fixing part 8 is influenced, a bolt hole 10 is arranged on the transmission shaft 2, the bolt fixing part 8 is in threaded connection with the bolt hole 10, the bolt fixing part 8 is directly fastened in the bolt hole 10 of the transmission shaft 2, the connection tightness between the driving hand wheel 3 and the transmission shaft 2 can be enhanced, a hand wheel sleeve 11 is arranged on the contact surface of the transmission shaft 2 and the driving hand wheel 3, a roller bearing 12 is arranged at one end of a hand wheel sleeve 11 close to a driving hand wheel 3, a sealing ring 13 is arranged at the rear end of the roller bearing 12 in the hand wheel sleeve 11, the driving hand wheel 3 can drive a transmission shaft 2 to rotate through the arrangement of the roller bearing 12, the friction resistance between the transmission shaft 2 and a sleeve is reduced, a driven hand wheel 4 is fixed with the transmission shaft 2 through a driven bolt fixing piece 14, a driven hand wheel cover 15 is arranged at the central position of the driven hand wheel 4, the driven hand wheel cover 15 is arranged to cover the driven bolt fixing piece 14, a driven bolt hole 10 is arranged on the transmission shaft 2, the driven bolt fixing piece 14 is in threaded connection with the driven bolt hole 10, the driven hand wheel cover 15 is covered on the driven bolt fixing piece 14, and the driven hand wheel 4 does not need to provide too large driving force from the hand wheel, so that only the driven bolt fixing piece 14 is in threaded connection with the driven bolt hole 10, and driven hand wheel lid 15 covers driven bolt mounting 14 and sets up just, and is equipped with driven roller bearing 16 between transmission shaft 2 and driven hand wheel 4, and driven roller bearing 16 hugs closely the setting of turbine box 1 inner wall, and driven roller bearing 16's setting is also for the rotation of better convenience transmission shaft 2, alleviates the frictional resistance of transmission shaft 2 to can effectual use for a long time.
To sum up, the utility model discloses a set up initiative hand wheel and driven hand wheel cooperation transmission shaft and drive the turbine box and carry out corresponding action, the box of keeping away from of initiative hand wheel setting, mainly consider to alleviate the pressure that the transmission shaft is close to initiative hand wheel one side, avoid long-time use the back, because the too fast life who reduces the transmission shaft of mechanical fatigue, the sleeve pipe can wrap up the exposed part of transmission shaft, and protect the exposed part of transmission shaft, avoid external force damage transmission shaft, and to the hand wheel, the sheathed tube setting can play spacing supporting role to the hand wheel, avoid long-term use back because mechanical fatigue, the hand wheel that leads to takes place the dislocation phenomenon, run through the hand wheel lid setting with the bolt mounting, thereby can compress tightly hand wheel lid in hand wheel center department, still be provided with the packing ring between hand wheel lid and the bolt mounting, can avoid the long-time use back of bolt mounting, and the hand wheel lid between produce not hard up, influence the fastening effect of bolt mounting. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a wheel mechanism for turbine case, its characterized in that, includes turbine box, transmission shaft and hand wheel, the transmission shaft passes threaded connection between turbine box and transmission shaft and the turbine box, the transmission shaft both sides are located to the hand wheel, the hand wheel includes a set of initiative hand wheel and a set of driven hand wheel, driven hand wheel locates the transmission shaft and is close to turbine box one end, initiative hand wheel locates the transmission shaft and keeps away from turbine box one end, be equipped with the sleeve pipe on the transmission shaft, be equipped with the base on the turbine box, bushing on the base.
2. The hand wheel mechanism for a turbine box according to claim 1, wherein: the driving hand wheel is fixed with the transmission shaft through the bolt fixing piece, a hand wheel cover is arranged at the center of the driving hand wheel, the bolt fixing piece penetrates through the hand wheel cover, a gasket is arranged between the hand wheel cover and the bolt fixing piece, a bolt hole is formed in the transmission shaft, and the bolt fixing piece is connected in the bolt hole in a threaded mode.
3. The hand wheel mechanism for a turbine box according to claim 2, wherein: the hand wheel sleeve is arranged on the contact surface of the transmission shaft and the driving hand wheel, a roller bearing is arranged at one end, close to the driving hand wheel, in the hand wheel sleeve, and a sealing ring is arranged at the rear end of the roller bearing in the hand wheel sleeve.
4. The hand wheel mechanism for a turbine box according to claim 1, wherein: fixed through driven bolt mounting between driven hand wheel and the transmission shaft, driven hand wheel central point puts and is equipped with driven hand wheel lid, driven hand wheel lid covers driven bolt mounting setting, be equipped with driven bolt hole on the transmission shaft, driven bolt mounting threaded connection is downthehole at driven bolt.
5. The hand wheel mechanism for a turbine box according to claim 1, wherein: and a driven roller bearing is arranged between the transmission shaft and the driven hand wheel and is tightly attached to the inner wall of the turbine box body.
6. The hand wheel mechanism for a turbine box according to claim 1, wherein: and the base is provided with a positioning bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156990.4U CN217683508U (en) | 2022-05-06 | 2022-05-06 | Turbine wheel mechanism for case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156990.4U CN217683508U (en) | 2022-05-06 | 2022-05-06 | Turbine wheel mechanism for case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683508U true CN217683508U (en) | 2022-10-28 |
Family
ID=83739045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221156990.4U Active CN217683508U (en) | 2022-05-06 | 2022-05-06 | Turbine wheel mechanism for case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217683508U (en) |
-
2022
- 2022-05-06 CN CN202221156990.4U patent/CN217683508U/en active Active
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