CN207920674U - A kind of steam turbine rotary spacing plate adjustment structure - Google Patents
A kind of steam turbine rotary spacing plate adjustment structure Download PDFInfo
- Publication number
- CN207920674U CN207920674U CN201721846897.5U CN201721846897U CN207920674U CN 207920674 U CN207920674 U CN 207920674U CN 201721846897 U CN201721846897 U CN 201721846897U CN 207920674 U CN207920674 U CN 207920674U
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- China
- Prior art keywords
- cylinder
- adjustment structure
- connecting rod
- servomotor
- hinged
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- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008450 motivation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of steam turbine rotary spacing plate adjustment structure, including at least one set of adjustment structure, and adjustment structure includes being mounted on the servomotor holder outside cylinder and the fixing sleeve mounted on cylinder internal;It is equipped with cross bar in servomotor holder, one end is the connecting pin for connecting servomotor, the other end is the driving end for penetrating cylinder internal, shaft is equipped in the fixing sleeve, the both ends of the shaft, which are respectively perpendicular, is connected with the first rocking arm and the second rocking arm, and first rocking arm is hinged on one end of first connecting rod, and the other end of first connecting rod and the driving end of cross bar are hinged, second rocking arm is hinged on one end of second connecting rod, and the other end of second connecting rod and the edge of swivel becket are hinged.The part of the utility model only cross bar is exposed to be connected with servomotor outside cylinder, and other parts are placed in the inside of cylinder, avoids the interference with cylinder external component so that the use of rotating barrier is effectively realized.
Description
Technical field
The utility model is related to the technical fields of Steam Turhine Adjustment pumping more particularly to a kind of steam turbine rotary spacing plate to adjust
Structure.
Background technology
The rotating barrier of steam turbine is to realize the conventional means for adjusting steam extraction, and rotating barrier is made to act required driving force
Come from servomotor, servomotor needs to be transmitted by adjusting lever to the driving force of swivel becket on rotating barrier.
As shown in Fig. 1, steam turbine includes cylinder 1, and rotating barrier is equipped in cylinder 1, and rotating barrier is equipped with swivel becket
2, swivel becket 2 can adjust steam passage area to realize the effect of flow-rate adjustment when rotating.Common rotating barrier regulating mechanism packet
External rocking bar 101, branch seat shell 102, fulcrum shaft 103, internal rocking bar 104 and several swing rods 105 is included to form, external rocking bar 101 with
Servomotor 100 is connected.Wherein, the external rocking bar 101, branch seat shell 102, fulcrum shaft 103 are arranged outside cylinder, and account for
According to larger space, easily interference is generated with other components (such as main, tune valve).If adjust steam extraction is located proximate to inblock cylinder
When steam ports, then the external rocking bar 101, branch seat shell 102, fulcrum shaft 103 position be easily to interfere with huge steam drain,
Namely conventional method is cannot achieve substantially to the steam extraction close to steam drain position, it is therefore necessary to proposing that a kind of new adjusting is taken out
Vapour structure, the generation avoided interference with.
Utility model content
It effectively avoids sending out with component near cylinder steam drain the technical problem to be solved by the present invention is to provide a kind of
The steam turbine rotary spacing plate adjustment structure of raw interference, to overcome the defect in the prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution:A kind of steam turbine rotary spacing plate tune
Section structure, steam turbine include cylinder, and rotating barrier is equipped in cylinder, and rotating barrier includes swivel becket, including at least one set of adjusting
Structure, the adjustment structure include being mounted on the servomotor holder outside cylinder and the fixing sleeve mounted on cylinder internal;It is described
Cross bar is equipped in servomotor holder, one end of the cross bar is the connecting pin for connecting servomotor, and the other end is to penetrate vapour
The driving end of cylinder interior, is equipped with shaft in the fixing sleeve, the axis direction of the shaft perpendicular to cross bar length direction, and
And the axis direction of shaft is perpendicular to the plate face of swivel becket;The both ends of the shaft, which are respectively perpendicular, to be connected with the first rocking arm and second and shakes
Arm, first rocking arm are hinged on one end of first connecting rod, and the other end of first connecting rod and the driving end of cross bar are hinged, described
Second rocking arm is hinged on one end of second connecting rod, and the other end of second connecting rod and the edge of swivel becket are hinged.
Preferably, the servomotor holder is tubular structure.
Preferably, bearing is equipped between the fixing sleeve and shaft.
Preferably, the adjustment structure has two groups, and two groups of adjustment structures are oppositely arranged on the both sides of swivel becket.
As described above, a kind of steam turbine rotary spacing plate adjustment structure of the utility model, has the advantages that:
The structure for adjusting rotating barrier is carried out accurate built-inization design by the utility model, and the part of only cross bar is exposed at outside cylinder
Except portion with servomotor to be connected, entire adjustment structure is placed in the inside of cylinder substantially, is avoided and cylinder external component
Interference so that the use of rotating barrier is effectively realized.
The utility model compares the characteristic that conventional type has structure more succinct, and at low cost, and effect is good.
Description of the drawings
Fig. 1 is that the rotating barrier in prior art steam turbine adjusts schematic diagram.
Fig. 2 is the structure chart of the present invention.
Fig. 3 is the partial enlarged view of Fig. 2.
In figure:
1 cylinder, 2 swivel becket
3 adjustment structure, 31 servomotor holder
32 fixing sleeve, 33 cross bar
34 shaft, 35 first connecting rod
36 second connecting rod, 331 connecting pin
332 driving 341 first rocking arms of end
342 second rocking arm, 100 servomotor
101 seat shells of outside rocking bar 102
103 fulcrum shaft, 104 inside rocking bar
105 swing rods
Specific implementation mode
Structure, ratio, size depicted in Figure of description etc., only to coordinate the revealed content of specification, with
Understand for those skilled in the art and read, is not limited to the enforceable qualifications of the utility model, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute
Under the effect of capable of generating and the purpose that can reach, the model that can cover in the revealed technology contents of the utility model should all be fallen
In enclosing.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to describe
Be illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the utility model.
As shown in Fig. 2-Fig. 3, the utility model is a kind of steam turbine rotary spacing plate adjustment structure, and steam turbine includes cylinder 1,
Rotating barrier is equipped in cylinder 1, rotating barrier includes swivel becket 2, including at least one set of adjustment structure 3, and the adjustment structure 3 is wrapped
Include the servomotor holder 31 outside the cylinder 1 and the fixing sleeve 32 mounted on cylinder 1 inside, i.e., servomotor holder 31 with consolidate
Surely the position of set 32 is fixed.Cross bar 33 is equipped in the servomotor holder 31, one end of the cross bar 33 is to be used for
The connecting pin 331 of servomotor is connected, the other end is the driving end 332 for penetrating cylinder internal, and being equipped in the fixing sleeve 32 can be with
The shaft 34 independently rotated, the axis direction of the shaft 34 is perpendicular to the length direction of cross bar 31, and the axis of shaft 34
Plate face of the direction perpendicular to swivel becket 2;The both ends of the shaft 34, which are respectively perpendicular, is connected with the first rocking arm 341 and the second rocking arm 342,
First rocking arm 341 is hinged on one end of first connecting rod 35, the other end of first connecting rod 35 and 332 phase of driving end of cross bar 33
Hinged, second rocking arm 342 is hinged on one end of second connecting rod 36, the edge of the other end and swivel becket 2 of second connecting rod 36
It is hinged.
In conjunction with Fig. 2 and Fig. 3, the structural principle of the utility model is:The oil of setting and servomotor cooperation only outside cylinder 1
Motivation holder 31, other structures are arranged inside cylinder 1, effectively prevent mechanism it is external easily with cylinder external component (such as vapour
Cylinder steam drain etc.) interference the occurrence of.Specifically, servomotor by 31 lateral support of servomotor holder outside cylinder, oil
The mating connection of connecting pin 331 of motivation and cross bar 33, the cross bar 33 set gradually, first connecting rod 35, the first rocking arm 341, shaft
34, the second rocking arm 342, second connecting rod 36 constitute one group of completely lever regulated mechanism.When work, pass through the laterally straight of servomotor
Power is transmitted in line driving, is that first connecting rod 35 drives the first rocking arm 341 to swing, and then drive shaft 34 is in fixation first
It is rotated in set 32, hereafter, power is transferred to the second rocking arm 342 by the rotation of shaft 34, and the second rocking arm 342 drives second connecting rod 36 to put
It is dynamic, drive swivel becket 2 around the rotary motion of its center line, swivel becket 2 to realize eventually by the swing of second connecting rod 36 is mobile
Bleeding point opening-closing size on rotating barrier can be adjusted when rotation, has also just achieved the purpose that adjust rotating barrier, that is, is realized and adjusted
Save bleeder steam.
As shown in figure 3, the servomotor holder 31 be tubular structure, the cross bar 33 along servomotor holder 31 center line
Setting.
In order to reduce friction, bearing is equipped between the fixing sleeve 32 and shaft 34.
As shown in Fig. 2, in order to allow swivel becket 2 stress balance, adjustment structure 3 in rotation to have two groups, two groups of adjustings
Structure 3 is oppositely arranged on the both sides of swivel becket 2.Tune is made by two groups of structures can allow swivel becket 2 to obtain one group of couple
Section acts, and completes regulatory function.In use, the synchronous horizontal driving of both sides servomotor is ultimately converted to the movement of swivel becket 2, it is complete
At the function of the utility model.
Between cross bar 33 in the present embodiment and first connecting rod 35, between first connecting rod 35 and the first rocking arm 341, second shake
Between arm 342 and second connecting rod 36, between second connecting rod 36 and swivel becket 2, realized by axis pin hinged.
It is external that the servomotor being connect with servomotor is only set since the structure of the utility model is built in cylinder internal substantially
Holder is well suited for applying at the position of extraction opening both sides narrow space, such as close to the extraction opening of cylinder steam discharge position;In addition, this
Utility model is also applied for the rotine positioning of cylinder.
In conclusion a kind of steam turbine rotary spacing plate adjustment structure of the utility model, can avoid and cylinder external component
The problem of interference.So the utility model effectively overcomes some practical problems in the prior art to there is very high utilization
It is worth and uses meaning.
The above embodiment is only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology
Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore,
Such as those of ordinary skill in the art is in the revealed spirit without departing from the utility model and institute under technological thought
All equivalent modifications completed or change, should be covered by the claim of the utility model.
Claims (4)
1. a kind of steam turbine rotary spacing plate adjustment structure, steam turbine includes cylinder (1), and rotating barrier, rotation are equipped in cylinder (1)
Partition board includes swivel becket (2), it is characterised in that:Including at least one set of adjustment structure (3), the adjustment structure (3) includes installation
In the external servomotor holder (31) of cylinder (1) and mounted on the internal fixing sleeve (32) of cylinder (1);The servomotor holder
(31) cross bar (33) is equipped in, one end of the cross bar (33) is for connecting the connecting pin of servomotor (331), and the other end is
The driving end (332) of cylinder internal is penetrated, shaft (34), the axis direction of the shaft (34) are equipped in the fixing sleeve (32)
Length direction perpendicular to cross bar (33), and the axis direction of shaft (34) is perpendicular to the plate face of swivel becket (2);The shaft
(34) both ends, which are respectively perpendicular, is connected with the first rocking arm (341) and the second rocking arm (342), and first rocking arm (341) is hinged on
One end of one connecting rod (35), the other end of first connecting rod (35) are hinged with the driving end (332) of cross bar (33), and described second shakes
Arm (342) is hinged on one end of second connecting rod (36), and the edge of the other end and swivel becket (2) of second connecting rod (36) is hinged.
2. a kind of steam turbine rotary spacing plate adjustment structure according to claim 1, it is characterised in that:The servomotor holder
(31) it is tubular structure.
3. a kind of steam turbine rotary spacing plate adjustment structure according to claim 1, it is characterised in that:The fixing sleeve (32)
Bearing is equipped between shaft (34).
4. a kind of steam turbine rotary spacing plate adjustment structure according to claim 1, it is characterised in that:The adjustment structure
(3) there are two groups, two groups of adjustment structures (3) are oppositely arranged on the both sides of swivel becket (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721846897.5U CN207920674U (en) | 2017-12-26 | 2017-12-26 | A kind of steam turbine rotary spacing plate adjustment structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721846897.5U CN207920674U (en) | 2017-12-26 | 2017-12-26 | A kind of steam turbine rotary spacing plate adjustment structure |
Publications (1)
Publication Number | Publication Date |
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CN207920674U true CN207920674U (en) | 2018-09-28 |
Family
ID=63607606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721846897.5U Withdrawn - After Issue CN207920674U (en) | 2017-12-26 | 2017-12-26 | A kind of steam turbine rotary spacing plate adjustment structure |
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CN (1) | CN207920674U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109958481A (en) * | 2017-12-26 | 2019-07-02 | 上海电气电站设备有限公司 | A kind of steam turbine rotary spacing plate adjustment structure |
-
2017
- 2017-12-26 CN CN201721846897.5U patent/CN207920674U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109958481A (en) * | 2017-12-26 | 2019-07-02 | 上海电气电站设备有限公司 | A kind of steam turbine rotary spacing plate adjustment structure |
CN109958481B (en) * | 2017-12-26 | 2024-03-19 | 上海电气电站设备有限公司 | Structure is adjusted to rotatory baffle of steam turbine |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180928 Effective date of abandoning: 20240319 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20180928 Effective date of abandoning: 20240319 |