CN104568992B - The microwave cavity in steam discharge direction is followed automatically - Google Patents
The microwave cavity in steam discharge direction is followed automatically Download PDFInfo
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- CN104568992B CN104568992B CN201410723925.9A CN201410723925A CN104568992B CN 104568992 B CN104568992 B CN 104568992B CN 201410723925 A CN201410723925 A CN 201410723925A CN 104568992 B CN104568992 B CN 104568992B
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 67
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000837 restrainer Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention discloses a kind of microwave cavity for following automatically steam discharge direction, the microwave resonance cavity and three rotary connecting devices of the annular including semicircular arc and at the downward peripheral arc plate of nock, peripherally located arc plate nock；The present invention is a kind of simple structure, dependable performance, strong environmental adaptability, the with low cost microwave cavity that can follow automatically turbine discharge steam flow direction.
Description
Technical field
The invention belongs to technical field of measurement and test, more particularly to a kind of can for carry out accurate on-line measurement to steam moisture
The microwave resonance in steam discharge steam flow direction is followed automatically.
Background technology
Moist steam is widely present in end what and the water cooled reator nuclear steam turbine of thermal power station's condensing turbine low pressure (LP) cylinder
Whole levels, moist steam there are problems that mainly to steam turbine operation bring of both：One is due to the nonequilibrium flow of steam
Shock of the relative flow of the dynamic thermodynamic losses for bringing, wet steam loss, water droplet and main flow and water droplet and blade etc. can cause work
Make to reduce in the stage efficiency of wet-steam region；Two is the blade that the little water droplet in moist steam can corrode steam turbine, makes blade
Surface becomes coarse, pit, or even fracture occurs, has a strong impact on the safe operation of steam turbine.Steam turbine exhaust steam moisture accurate
Determine, contribute to the distribution for understanding humidity, determine that blade strengthens the mode of protection and position, it is ensured that the safe operation of unit；Side
Determination wet-steam region stage efficiency or even whole unit efficiency is helped, optimizes the economical operation of unit；It is wet-steam region steam turbine simultaneously
The optimization design of level provides guidance, and the formation mechenism of dewing steam and the research of mode provide help.Therefore, steam in steam turbine
The accurate measurement of vapour humidity has important theory significance and practical value.
In certain pressure（Temperature）Under, its dielectric constant of the humidity of moist steam difference is also different, and both correspond,
The change of dielectric constant can affect the resonant frequency of resonator cavity, measure indirectly and steam by therefore, it can by measuring resonant frequency
Vapour humidity.Resonator cavity typically adopts cylindrical cavity easy to process, if the structure of resonator cavity, size are certain, when wet steaming
The pressure of vapour（Temperature）When known, moist steam humidity is different, and its dielectric property is different, when moist steam flows through resonator cavity, resonator cavity
Resonant frequency corresponding change can occur, by monitoring the pressure of moist steam（Temperature）The change of the resonant frequency of resonant cavity
Change, it is possible to obtain indirectly the humidity change of moist steam.If resonator cavity is fixedly mounted on measurement position, in measurement process,
When steam turbine is in variable parameter operation, the direction of turbine discharge steam flow can be with initially hard-wired resonator cavity axis side
To drift angle is produced, so as to cause the deviation of measurement, accordingly, it would be desirable to design a kind of turbine discharge steam flow direction of can following automatically
Microwave cavity, it is ensured that the axis of resonator cavity is consistent with the direction of steam discharge steam flow all the time, to improve measurement ground accuracy
And accuracy.
Content of the invention
It is an object of the invention to provide a kind of simple structure, dependable performance, strong environmental adaptability, with low cost can from
The dynamic microwave cavity for following turbine discharge steam flow direction.
For achieving the above object, the present invention is adopted the following technical scheme that：Automatically the microwave cavity in steam discharge direction is followed, is wrapped
Include annular at the downward peripheral arc plate of semicircular arc and nock, peripherally located arc plate nock microwave resonance cavity and three
Rotary connecting device；Peripheral arc plate is provided with support platform for being symmetrical set on the upside of the top of peripheral arc plate；The microwave
The outer surface of resonant cavity by up and down with respect to and symmetrical two arc surfaces and left and right is relative and two symmetrical vertical planes enclose to set and form,
Four fins for radially extending, two wings in wherein peripherally located arc plate nock are laid with around the outer surface of microwave cavity
Piece is upside fin, and the another two fin on the downside of peripherally located arc plate is downside fin, and two upside fins are symmetrical
Arrange, also for being symmetrical set, on the upside of each, fin outer end edges are radially extended two downside fins along upper respectively offering
Notch, two notches of the arranged on left and right sides portion of peripheral arc plate respectively from left and right two upside fin pass through, the interior edge of notch with insert
Enter between the left part of the peripheral arc plate in the notch or gap is respectively provided between right part；Described rotation connects
Device is included seat board, position-limit mechanism and rotates connecting rod, rotated connecting rod and be vertically arranged with seat board, rotate connection boom end and seat
Connect for bearing between plate, the position-limit mechanism includes two position-limiting units being arranged in the same plate face of seat board, described
Position-limiting unit includes two bar shaped projections for being respectively provided with penetrating internal thread hole, two for being threaded on two bar shaped projections respectively
Bolt and two springs being separately positioned in two internal thread holes of two bar shaped projections, two bolt ends in same position-limiting unit
Relative extension and conllinear interval setting, the spring one end be located at corresponding bar shaped projection internal thread hole in and with respective bolt end
Portion offsets, the other end is stretched out outside the bar shaped projection that the spring is located, and two springs in same position-limiting unit are conllinear interval setting,
It is provided with spacing gap between two springs of each position-limiting unit, the rotation connecting rod is symmetrically arranged on two with two spacing fins,
The two spacing fins for rotating connecting rod are located in two spacing gaps of position-limit mechanism respectively；Three rotary connecting devices point
Be not arranged on the upside of the top of peripheral arc plate, between the vertical plane on the left of peripheral arc plate left end and microwave resonance cavity and periphery
Between vertical plane on the right side of arc plate right-hand member and microwave resonance cavity, the rotary connecting device that is arranged on the upside of the top of peripheral arc plate
For upper rotary connecting device, be arranged on peripheral arc plate left end and microwave resonance cavity on the left of vertical plane between rotation connection dress
Be set to left pivot movement attachment means, be arranged on peripheral arc plate right-hand member and microwave resonance cavity on the right side of vertical plane between rotation connect
Connection device is right side rotary connecting device；The seat board of the upper rotary connecting device is bolted to the upside of support platform,
The seat board of upper rotary connecting device is horizontally disposed, and the spacing fin of upper rotary connecting device is located at the seat of upper rotary connecting device
On the upside of plate, at the top of the rotation connecting rod, seat board, support platform and peripheral arc plate through upper rotary connecting device, wire is provided with
Hole is stretched into, wire is stretched into hole and is connected with the nock of peripheral arc plate；The seat board of left pivot movement attachment means is to be vertically arranged, left side
The right panel face of the seat board of rotary connecting device is fixedly connected with the left side vertical face of microwave resonance cavity, left pivot movement attachment means
Rotation connecting rod on spacing fin be located at left pivot movement attachment means seat board left side, left pivot movement attachment means turn
Dynamic connecting rod left end is threadedly coupled the left screw that a left and right horizontal extends, and the left end of peripheral arc plate is provided with inserting hole, the left side
Outside the head of screw of side screw is blocked on the left of peripheral arc plate, by inserting hole and the periphery of peripheral arc plate left end in the middle part of left screw
Arc plate left end grafting；The seat board of right side rotary connecting device is to be vertically arranged, the left plate face of the seat board of right side rotary connecting device
It is fixedly connected with the right vertical face of microwave resonance cavity, the spacing fin position in the rotation connecting rod of right side rotary connecting device
In the right side of the seat board of right side rotary connecting device, the rotation connecting rod right-hand member threaded connection one or so of right side rotary connecting device
Horizontal-extending right screw, the right-hand member of peripheral arc plate are provided with inserting hole, and the head of screw of the right screw is blocked in peripheral arc
Outer on the right side of plate, by the inserting hole of peripheral arc plate right-hand member and peripheral arc plate right-hand member grafting in the middle part of right screw.
Automatically the microwave cavity for following steam discharge direction of the present invention, is for steam turbine exhaust steam moisture measurement process
In, as direction and the initially hard-wired resonator cavity axis direction of turbine discharge steam flow have drift angle, and cause survey
Amount deviation this problem, devises a kind of microwave cavity that can follow automatically turbine discharge steam flow direction, to improve measurement
Ground accuracy and accuracy.In measurement process, when steam discharge steam flow direction inconsistent with the axis direction of microwave resonance cavity
When, the power that steam flow is acted on the upper and lower fin of microwave resonance cavity can be uneven, in the presence of out-of-balance force, microwave resonance
Cavity can be rotated around the rotation connecting rod of upper rotary connecting device, the rotation connecting rod of left pivot movement attachment means or right side and be connected
The rotation connecting rod of connection device is somewhat rotated, and microwave resonance cavity axis is consistent with steam flow direction.Rotate connection dress
The spring that puts plays a part of damping, cavity is slowly rotated, and effectively prevents microwave resonance cavity from becoming due to airflow direction
The concussion that changes and cause.Present configuration is simple, and easy to process, conjunction measuring circuit can be used to enter flowing wet steam humidity
Row high precision online measuring.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of microwave resonance cavity；
Fig. 3 is the A direction views in Fig. 2；
Fig. 4 is the structural representation of position-limit mechanism；
Fig. 5 is the B-B views in Fig. 4；
Fig. 6 is the structural representation for rotating connecting rod in upper rotary connecting device；
Fig. 7 is the structural representation for rotating connecting rod in left pivot movement attachment means and right side rotary connecting device.
Specific embodiment
The microwave cavity for following automatically steam discharge direction shown in Fig. 1-Fig. 7, including semicircular arc and nock is downward
The microwave resonance cavity 12 and three rotary connecting devices of the annular at peripheral arc plate 6, peripherally located 6 nock of arc plate.
Towards underface, peripheral arc plate 6 is to be symmetrical set to the nock of the peripheral arc plate 6, the top of peripheral arc plate 6
Upside is provided with support platform 27, and support platform 27 is integral type structure with peripheral arc plate 6.
The interior annular distance 13 of the microwave resonance cavity 12 is circular port, the interior annular distance 13 of microwave resonance cavity 12 and peripheral arc
Plate 6 for being arranged concentrically, the outer surface of microwave resonance cavity 12 by two relative and symmetrical up and down arc surfaces 20 and left and right with respect to and
Two symmetrical vertical planes 21 enclose to set and form, and two arc surfaces 20 of 12 outer surface of microwave resonance cavity be not only oppositely arranged but also upper and lower up and down
It is symmetrical arranged, not only left and right is oppositely arranged but also is symmetrical set two vertical planes 21 of 12 outer surface of microwave resonance cavity, and microwave is humorous
Shake 12 outer surface of cavity by upside arc surface 20, right side vertical plane 21, downside arc surface 20 and the vertical plane 21 in left side
Head and the tail connect successively to enclosing to set and form.In the nock of the peripherally located arc plate 6 of the top half of microwave resonance cavity 12, microwave cavity
The nock of the peripherally located arc plate 6 in the latter half of body 12 is outer and the nock of peripherally located arc plate 6 on the downside of, i.e. microwave resonance cavity
12 the latter half is extended downwardly from outside peripheral arc plate 6.
Four fins for radially extending are laid with around the outer surface of microwave cavity, wherein peripherally located 6 arc of arc plate
Two fins in mouthful are upside fin 8, and the another two fin on the downside of peripherally located arc plate 6 is downside fin 11, i.e., four piece
Fin includes two upside fins 8 and two downside fins 11, and the extended line of two fin of arbitrary neighborhood is arranged in 90 ° of angles, on the upside of in the of two
Fin 8 for being symmetrical set, also for being symmetrical set, on the upside of each, divide equally two downside fins 11 along upper by 8 outer end edges of fin
The notch 7 that radially extend is not offered, and the arranged on left and right sides portion of peripheral arc plate 6 is respectively from two grooves of left and right two upside fin 8
Mouthfuls 7 pass through, the interior edge of notch 7 and insert the peripheral arc plate 6 in the notch 7 left part between or right part between equal
Be respectively equipped with the notch 7 on gap, i.e. the upside fin 8 in left side gap is provided with along and the left part of peripheral arc plate 6 between,
Gap also is provided with along and the right part of peripheral arc plate 6 between in notch 7 on the upside fin 8 on right side.
The rotary connecting device is included seat board 5, position-limit mechanism and rotates connecting rod 1, rotated connecting rod 1 and hung down with seat board 5
Straight arrange, seat board 5 is provided with shoulder hole, and shoulder hole is through hole 18, and shoulder hole includes the first rank circular hole 22 and second being connected
Rank circular hole 23, the diameter with diameter greater than second-order circular hole 23 of the first rank circular hole 22 rotate 1 end of connecting rod insertion, 5 rank of seat board
In the first rank circular hole 22 in terraced hole, and rotating between 1 end outer ring of connecting rod and 22 hole wall of the first rank circular hole of shoulder hole
Bearing 17 is set, that is, is rotated and is connected for bearing 17 between 1 end of connecting rod and seat board 5.
The position-limit mechanism includes two position-limiting units 24 being arranged in 5 same plate face of seat board, two position-limiting units 24
The both sides of shoulder hole are located at respectively, and the position-limiting unit 24 includes two bar shaped projections 3 for being respectively provided with penetrating internal thread hole, divides
In two bolts 4 not being threaded on two bar shaped projections 3 and two internal thread holes for being separately positioned on two bar shaped projections 3 two
Spring 25, between two bolts 4 in two bolts, the 4 end relative extension and same position-limiting unit 24 in same position-limiting unit 24 are conllinear
Two bar shaped projections 3 in setting, same position-limiting unit 24 are conllinear interval setting, two springs 25 in same position-limiting unit 24
For conllinear interval setting, two bolts 4 of each position-limiting unit 24 are respectively by the two internal thread holes threaded connection of two bar shaped projections 3
On two bar shaped projections 3,25 one end of the spring be located at corresponding bar shaped projection 3 internal thread hole in and with respective bolt 4（Thrum
Bolt 4 in 25 place bar shaped projection 3 of spring）End offsets, the other end is stretched out outside the bar shaped projection 3 that the spring 25 is located, each
Two springs 25 of position-limiting unit 24 are and stretch out in opposite directions, are provided with spacing gap 26 between two springs 25 of each position-limiting unit 24.
Position-limit mechanism is provided with four bar shaped projections 3, four, 4, four, bolt spring 25 and two spacing gaps 26 altogether.
The middle part for rotating connecting rod 1 is symmetrically arranged on two with two spacing fins 2, and two spacing fins 2 are in the company of rotation
The both sides of extension bar 1 are conllinear setting, and it is two spacing that the two spacing fins 2 for rotating connecting rod 1 are located in position-limit mechanism respectively
In gap 26, i.e., one of them spacing fin 2 be folded between two springs 25 of side position-limiting unit 24, another fin sandwiched
Between two springs 25 of another lateral spacing bit location 24.
Three rotary connecting devices are separately positioned on the upside of the top of peripheral arc plate 6, peripheral 6 left end of arc plate and microwave resonance
Between vertical plane 21 on the left of cavity 12 and between peripheral 6 right-hand member of arc plate and the vertical plane 21 on the right side of microwave resonance cavity 12.
The rotary connecting device being arranged on the upside of the top of peripheral arc plate 6 is upper rotary connecting device 19, is arranged on peripheral 6 left end of arc plate
It is left pivot movement attachment means 9 with the rotary connecting device between the vertical plane 21 on the left of microwave resonance cavity 12, arranges outside
Enclose the rotary connecting device between 6 right-hand member of arc plate and the vertical plane 21 on the right side of microwave resonance cavity 12 and be right side and rotate and connect dress
Put 15.
The seat board 5 of the upper rotary connecting device 19 is bolted to the upside of support platform 27, upper rotary connecting device
19 seat board 5 is horizontally disposed, and the rotation connecting rod 1 of upper rotary connecting device 19 is to be vertically arranged, upper rotary connecting device 19
Spacing fin 2 be located at upper rotary connecting device 19 seat board 5 on the upside of, the position-limit mechanism of upper rotary connecting device 19 is arranged on
On the upper face of the seat board 5 of rotary connecting device 19.Rotation connecting rod 1, seat board 5, support through upper rotary connecting device 19
The top of platform 27 and peripheral arc plate 6 is provided with wire and stretches into hole, and wire is stretched into hole and is connected with the nock of peripheral arc plate 6, on
The rotation connecting rod 1 of rotary connecting device 19 is provided with the through hole 18 for axially penetrating through, through support platform 27 and peripheral arc plate 6
Top be provided with the connecting hole 16 of radial direction, connecting hole 16 is connected with the nock of peripheral arc plate 6, the seat of upper rotary connecting device 19
In the shoulder hole of plate 5：First rank circular hole 22 is located at the upside of second-order circular hole 23, and the wire stretches into hole and turns by through hole 18, above
The second-order circular hole 23 and connecting hole 16 of 19 shoulder hole of dynamic attachment means is sequentially communicated to be formed.
The seat board 5 of left pivot movement attachment means 9 for being vertically arranged, the right panel face of the seat board 5 of left pivot movement attachment means 9 with
The left side vertical face 21 of microwave resonance cavity 12 is fixedly connected and fits, 5 mode connects for screw of seat board of left pivot movement attachment means 9
In the left side of microwave resonance cavity 12, the position-limit mechanism of left pivot movement attachment means 9 is arranged on the seat of left pivot movement attachment means 9
On the left plate face of plate 5.The rotation connecting rod 1 of left pivot movement attachment means 9 extends for left and right horizontal, the right side of the rotation connecting rod 1
Connected in first shoulder hole of 5 shoulder hole of seat board that left pivot movement attachment means 9 are stretched at end and by bearing 17 therewith, left side turns
Spacing fin 2 in the rotation connecting rod 1 of dynamic attachment means 9 is located at the left side of the seat board 5 of left pivot movement attachment means 9, left side
1 left end of rotation connecting rod of rotary connecting device 9 is threadedly coupled the left screw 10 that a left and right horizontal extends, peripheral arc plate 6
Left end is provided with inserting hole, and inserting hole is unthreaded hole, and inserting hole aperture is more than the diameter of left screw 10, the spiral shell of the left screw 10
Outside ailhead is blocked on the left of peripheral arc plate 6, by peripheral 6 left end inserting holes of arc plate and peripheral 6 left side of arc plate in the middle part of left screw 10
End grafting.
The seat board 5 of right side rotary connecting device 15 is to be vertically arranged, the left plate face of the seat board 5 of right side rotary connecting device 15
It is fixedly connected and fits with the right vertical face 21 of microwave resonance cavity 12,5 screw of seat board of right side rotary connecting device 15
The right side of microwave resonance cavity 12 is connected to, the position-limit mechanism of right side rotary connecting device 15 is arranged on right side rotary connecting device
On the right panel face of 15 seat board 5.The rotation connecting rod 1 of right side rotary connecting device 15 extends for left and right horizontal, the rotation connection
The left end of bar 1 stretch into right side rotary connecting device 15 5 shoulder hole of seat board the first shoulder hole in and connected by bearing 17 therewith
Connect, the spacing fin 2 in the rotation connecting rod 1 of right side rotary connecting device 15 is located at the seat board 5 of right side rotary connecting device 15
Right side, 1 right-hand member of rotation connecting rod of right side rotary connecting device 15 is threadedly coupled the horizontal-extending right screw 14 in a right left side,
The right-hand member of peripheral arc plate 6 is provided with inserting hole, and inserting hole is unthreaded hole, and inserting hole aperture is more than the diameter of right screw 14, the right side
The head of screw of side screw 14 be blocked on the right side of peripheral arc plate 6 outer, in the middle part of right screw 14 by peripheral 6 right-hand member inserting hole of arc plate with
The 6 right-hand member grafting of peripheral arc plate.The rotation connecting rod 1 of right side rotary connecting device 15 is connected with the rotation of left pivot movement attachment means 9
The structure of extension bar 1 is identical and is symmetrical set.
Automatically the microwave cavity for following steam discharge direction of the present invention, can be applicable to steam turbine exhaust passage at different levels
On, when following automatically the microwave cavity in steam discharge direction installed in steam turbine last stage exhaust passage, carry out the online of exhaust steam moisture
During measurement, with the variable parameter operation of steam turbine, the direction of steam discharge steam flow constantly can change, in microwave resonance cavity 12
Axis direction produces deviation, and the power for being subject to the upper fin on microwave resonance cavity 12 and lower fin not reequilibrate, in imbalance
In the presence of power, microwave resonance cavity 12 is by the rotation connecting rod 1 around upper rotary connecting device 19, left pivot movement attachment means
9 rotation connecting rod 1 or the rotation connecting rod 1 of right side rotary connecting device 15 are somewhat rotated, and the spring 25 in position-limit mechanism
In the presence of, gradually the direction of 12 axis of adjustment microwave resonance cavity, finally makes in steam flow direction and microwave resonance cavity 12
Axis direction is consistent.By screwing or release bolt 4, the size that spring 25 is applied to power on spacing fin 2 can be adjusted.
During work, the outer end of the rotation connecting tube of upper rotary connecting device 19（Upper end）It is fixed on the casing wall of turbine body
On, the inner of the rotation connecting tube of upper rotary connecting device 19（Lower end）Pass through bearing with the seat board 5 of upper rotary connecting device 19
17 connections, microwave resonance cavity 12 and the extraneous data wire for carrying out data exchange by wire stretch into hole stretch in nock and with micro-
The moisture instruments connection arranged on wave resonance cavity 12.
Automatically the microwave cavity for following turbine discharge steam flow direction of the present invention, reduces due to microwave resonance
When 12 axis of cavity and steam discharge steam flow direction are inconsistent, caused measured deviation is improve the precision of measurement, is believed with microwave
Number process circuit coordinates, it is possible to achieve the high precision online measuring to flowing wet steam humidity.
Claims (1)
1. the microwave cavity in steam discharge direction is followed automatically, it is characterised in that：Including semicircular arc and the downward peripheral arc of nock
The microwave resonance cavity and three rotary connecting devices of the annular at plate, peripherally located arc plate nock；Peripheral arc plate is left and right
It is symmetrical arranged, on the upside of the top of peripheral arc plate, is provided with support platform；The outer surface of the microwave resonance cavity by relative up and down and
Two symmetrical arc surfaces and left and right are relatively and two symmetrical vertical planes enclose to set and form, and the outer surface around microwave cavity is laid
There are four fins for radially extending, two fins in wherein peripherally located arc plate nock to be upside fin, peripherally located arc plate
The another two fin of downside is downside fin, and for being symmetrical set, two downside fins are also symmetrical to two upside fins
Arrange, on the upside of each, fin outer end edges are along the upper notch for respectively offering and radially extending, the arranged on left and right sides portion of peripheral arc plate
Two notches from left and right two upside fin are passed through respectively, the interior edge of notch with insert the notch in peripheral arc plate left side
/ or right part between be respectively provided with gap；The rotary connecting device includes seat board, position-limit mechanism and rotation
Connecting rod, is rotated connecting rod and is vertically arranged with seat board, is rotated, the position restrainer
Structure includes that two position-limiting units being arranged in the same plate face of seat board, the position-limiting unit include that two are respectively provided with penetrating interior spiral shell
The bar shaped projection of pit, two bolts being threaded on two bar shaped projections respectively and it is separately positioned on the two of two bar shaped projections
Two springs in internal thread hole, the two bolt end relative extension and conllinear interval setting in same position-limiting unit, the spring
One end be located in the internal thread hole of corresponding bar shaped projection and with respective bolt end offset, the other end stretches out the bar that the spring is located
Outside shape projection, two springs in same position-limiting unit are conllinear interval setting, are provided with limit between two springs of each position-limiting unit
Interdigit gap, the rotation connecting rod are symmetrically arranged on two with two spacing fins, two spacing fins difference of the rotation connecting rod
It is located in two spacing gaps of position-limit mechanism；Three rotary connecting devices are separately positioned on the upside of the top of peripheral arc plate, outer
Enclose between arc plate left end and the vertical plane on the left of microwave resonance cavity and on the right side of peripheral arc plate right-hand member and microwave resonance cavity
Between vertical plane, the rotary connecting device being arranged on the upside of the top of peripheral arc plate is upper rotary connecting device, is arranged on periphery
The rotary connecting device between vertical plane on the left of arc plate left end and microwave resonance cavity is left pivot movement attachment means, is arranged on
The rotary connecting device between vertical plane on the right side of peripheral arc plate right-hand member and microwave resonance cavity is right side rotary connecting device；
The seat board of the upper rotary connecting device is bolted to the upside of support platform, and the seat board of upper rotary connecting device is set for level
Put, the spacing fin of upper rotary connecting device is located on the upside of the seat board of upper rotary connecting device, through upper rotary connecting device
Wire being provided with the top of rotation connecting rod, seat board, support platform and peripheral arc plate and stretching into hole, wire stretches into hole with peripheral arc plate
Nock be connected；The seat board of left pivot movement attachment means is to be vertically arranged, the right panel face of the seat board of left pivot movement attachment means
It is fixedly connected with the left side vertical face of microwave resonance cavity, the spacing fin position in the rotation connecting rod of left pivot movement attachment means
In the left side of the seat board of left pivot movement attachment means, the rotation connecting rod left end threaded connection one or so of left pivot movement attachment means
Horizontal-extending left screw, the left end of peripheral arc plate are provided with inserting hole, and the head of screw of the left screw is blocked in peripheral arc
Outer on the left of plate, by the inserting hole of peripheral arc plate left end and peripheral arc plate left end grafting in the middle part of left screw；Right side rotates connection
The seat board of device for being vertically arranged, the left plate face of the seat board of right side rotary connecting device and the right vertical face of microwave resonance cavity
It is fixedly connected, the spacing fin in the rotation connecting rod of right side rotary connecting device is located at the seat board of right side rotary connecting device
Right side, the rotation connecting rod right-hand member of right side rotary connecting device are threadedly coupled the right screw that a left and right horizontal extends, peripheral arc
The right-hand member of plate is provided with inserting hole, and the head of screw of the right screw is blocked on the right side of peripheral arc plate outward, passes through in the middle part of right screw
The inserting hole of peripheral arc plate right-hand member and peripheral arc plate right-hand member grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723925.9A CN104568992B (en) | 2014-12-03 | 2014-12-03 | The microwave cavity in steam discharge direction is followed automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723925.9A CN104568992B (en) | 2014-12-03 | 2014-12-03 | The microwave cavity in steam discharge direction is followed automatically |
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| Publication Number | Publication Date |
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| CN104568992A CN104568992A (en) | 2015-04-29 |
| CN104568992B true CN104568992B (en) | 2017-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1855104A1 (en) * | 2006-05-09 | 2007-11-14 | AMS- Advanced Microwave Systems GmbH | Microwave measuring device for determining at least one measured value on a product |
| CN201133259Y (en) * | 2007-12-19 | 2008-10-15 | 华北电力大学 | High precision steam turbine exhaust steam moisture on-line measurement device |
| CN201138333Y (en) * | 2007-12-19 | 2008-10-22 | 华北电力大学 | Microwave cavity sensor for steam dampness on-line detection |
| CN102253059A (en) * | 2011-06-22 | 2011-11-23 | 华北电力大学（保定） | Temperature self-compensation microwave sensor for humidity measurement of steam |
| CN204241392U (en) * | 2014-12-03 | 2015-04-01 | 国网河南省电力公司电力科学研究院 | Automatically the microwave cavity in steam discharge direction is followed |
-
2014
- 2014-12-03 CN CN201410723925.9A patent/CN104568992B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1855104A1 (en) * | 2006-05-09 | 2007-11-14 | AMS- Advanced Microwave Systems GmbH | Microwave measuring device for determining at least one measured value on a product |
| CN201133259Y (en) * | 2007-12-19 | 2008-10-15 | 华北电力大学 | High precision steam turbine exhaust steam moisture on-line measurement device |
| CN201138333Y (en) * | 2007-12-19 | 2008-10-22 | 华北电力大学 | Microwave cavity sensor for steam dampness on-line detection |
| CN102253059A (en) * | 2011-06-22 | 2011-11-23 | 华北电力大学（保定） | Temperature self-compensation microwave sensor for humidity measurement of steam |
| CN204241392U (en) * | 2014-12-03 | 2015-04-01 | 国网河南省电力公司电力科学研究院 | Automatically the microwave cavity in steam discharge direction is followed |
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| Publication number | Publication date |
|---|---|
| CN104568992A (en) | 2015-04-29 |
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Address after: 450052 No. 85 South Songshan Road, 27 District, Henan, Zhengzhou Co-patentee after: Henan jiuyu enpai Power Technology Co., Ltd Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HENAN ELECTRIC POWER Co. Co-patentee after: NORTH CHINA ELECTRIC POWER University Co-patentee after: State Grid Corporation of China Address before: 450052 No. 85 South Songshan Road, 27 District, Henan, Zhengzhou Co-patentee before: HENAN ENPAI HIGH-TECH GROUP Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HENAN ELECTRIC POWER Co. Co-patentee before: NORTH CHINA ELECTRIC POWER University Co-patentee before: State Grid Corporation of China |