CN206514962U - A kind of combustor exit rotating wobble plate - Google Patents
A kind of combustor exit rotating wobble plate Download PDFInfo
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- CN206514962U CN206514962U CN201720122993.9U CN201720122993U CN206514962U CN 206514962 U CN206514962 U CN 206514962U CN 201720122993 U CN201720122993 U CN 201720122993U CN 206514962 U CN206514962 U CN 206514962U
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- disk body
- water fender
- main shaft
- water
- closure plate
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Abstract
The utility model provides a kind of combustor exit rotating wobble plate, including disk body and main shaft, disk body and main shaft coaxial welding, toroidal cavity is provided with disk body, disk body outer rim is circumferentially evenly equipped with multiple galvanic couple mounting grooves, galvanic couple installs groove bottom and is provided with galvanic couple patchhole, and thermocouple is fixed in galvanic couple mounting groove by installation bolt；Be fixed between two bottom surfaces of cavity with cavity height identical ring water fender, the first water fender and second flap, the two ends of first water fender are mutually fixed with ring water fender and disk body inner edge respectively, the two ends of second flap are mutually fixed with disk body outer rim and disk body inner edge respectively, ring water fender is in major arc shape, and distance is left between its one end not being connected with the first water fender and second flap；Provided with the water inlet pipe and return pipe connected with cavity in main shaft, the junction of water inlet pipe and disk body is located between the first water fender and second flap, and the first water fender is located between water inlet pipe and the junction of disk body and return pipe and the junction of disk body.
Description
Technical field
The utility model is related to combustion chamber temperature measuring equipment technical field, more particularly to a kind of combustor exit rotating wobble plate.
Background technology
During aero-engine loopful combustor test, using the rotation pendulum for installing thermocouple on combustor exit measuring section
Disk device realizes the measurement of outlet temperature.Because balance is among the washing away of stagnation temperature combustion gas, to ensure its normal work, adopt
A variety of cooling protection measures such as water cooling, air cooling are taken.To realize that these safeguard measures devise more complicated cooling structure, lead
Cause that this kind of balance is complicated, in processing difficulties, and actual application because cooling structure design is unreasonable and often occurs
High temperature ablation failure, scrappage is higher.
Utility model content
To overcome at least one defect that above-mentioned prior art is present, the utility model revolves there is provided a kind of combustor exit
Toroidal cavity is provided with switch disk, including disk body and main shaft, disk body and main shaft coaxial welding, disk body；
Disk body outer rim is circumferentially evenly equipped with multiple galvanic couple mounting grooves, and galvanic couple installs groove bottom and is provided with galvanic couple patchhole and screw thread
Hole, thermocouple is fixed in galvanic couple mounting groove by installation bolt, and installation bolt is used cooperatively with above-mentioned screwed hole, i.e. thermocouple
Bar portion be deep into galvanic couple patchhole, and the gauge outfit of thermocouple is fixed in galvanic couple mounting groove；
Equal and the cavity height identical ring water fender, the first water fender are fixed between two bottom surfaces of the cavity
And second flap, above-mentioned two bottom surface refers to upper and lower two plane of disk body, the two ends of the first water fender respectively with ring dash
Plate is mutually fixed with disk body inner edge, and the two ends of second flap are mutually fixed with disk body outer rim and disk body inner edge respectively, and ring water fender is in
Major arc shape, preset distance is left between its one end not being connected with the first water fender and second flap plate face；
Provided with the water inlet pipe and return pipe connected with the cavity in main shaft, water inlet pipe is used to cooling water being passed through disk body
Interior, return pipe is used to cooling water drainage going out disk body, and the junction of water inlet pipe and disk body is located at the first water fender and second flap
Between, water conservancy diversion is carried out to the cooling water come in from water inlet pipe with this, the first water fender is located at the junction of water inlet pipe and disk body
Between return pipe and the junction of disk body, for water inlet pipe and return pipe to be separated, prevent cooling water from directly being arranged after entering
Go out.
It is preferred that, spindle outer wall is provided with supporting mechanism, and the supporting mechanism includes the sliding bearing for being set in spindle outer wall
And multiple circumferences are distributed on the Ni-based graphite slider of sliding bearing inwall, Ni-based graphite slider is arranged at main shaft and sliding axle
Between holding, for reducing frictional force between the two, Ni-based graphite material when main shaft and sliding axle make relative rotary motion
With good heat conductivity and self lubricity；The supporting mechanism also include being separately positioned on Ni-based graphite slider along main shaft
The rear fender and front pressuring plate of axial both sides, Ni-based graphite slider are fixedly clamped by rear fender and front pressuring plate, rear fender and slip
Mutually fixed by sunk screw between bearing, between front pressuring plate and sliding bearing, i.e., by sunk screw by rear fender and before
Pressing plate is fixed on sliding bearing, then Ni-based graphite slider is fixed on sliding bearing by rear fender and front pressuring plate.
It is preferred that, spindle outer wall is provided with two supporting mechanisms, and each supporting mechanism includes 12 Ni-based stones
Black sliding block.
It is preferred that, the center of the bottom surface of the remote main shaft of disk body is equipped with closure plate, and closure plate passes through in closure plate bolt and disk body
Edge is mutually fixed, and closure plate bolt is connected through a screw thread mode equipped with plug screw is compressed at disk body bottom surface, disk body inner edge, that is, compresses
Plug screw is inside disk body, and closure plate is coaxially disposed in disk body outer surface, closure plate and compression plug screw with disk body, and closure plate is with compressing plug screw
Between formed center cooling water cavity, closure plate and compress plug screw be used to form the center cooling water cavity, for giving disk body center
Cool.
It is preferred that, disk body inner edge is provided with multiple closure plates cooling inlet openings and multiple closure plates cool back water hole, closure plate cool down into
Water hole is identical with closure plate cooling backwater hole number, and closure plate cools down inlet opening and cooled back along cavity cooling current direction positioned at closure plate
The upstream in water hole, i.e. cooling water firstly flow through closure plate cooling inlet opening, again pass through closure plate and cool back water hole, realize that cooling water enters with this
Enter the purpose of above-mentioned center cooling water cavity, closure plate cooling inlet opening and closure plate cool back water hole and symmetrically divided relative to the center of circle of disk body
Cloth.
It is preferred that, gasket seal is provided between closure plate and disk body, compresses and gasket seal is provided between plug screw and disk body, pass through
Gasket seal strengthens sealing property, prevents leak.
It is preferred that, ring water fender radian is more than 270 degree and is coaxially disposed with disk body, the connection of water inlet pipe and disk body
Place and the junction of return pipe and disk body are respectively positioned in the same quadrant by coordinate system of disk body bottom surface, be may be such that water inlet pipe and are returned
Water pipe is as far as possible adjacent to each other, to increase film-cooled heat, prevents from forming dead space.
It is preferred that, the quantity of galvanic couple mounting groove is four, and each thermocouple is fixed by two installation bolts.
It is preferred that, the wherein side mutually fixed with disk body of ring water fender is fixed in disk body by four soldering pins, separately
Mutually welded with disk body side.
A kind of combustor exit rotating wobble plate that the utility model is provided, has the advantages that：
1st, uniform four thermocouples on balance, as long as balance, which is rotated by 90 °, can measure loopful combustor exit temperature,
So as to meet the demand of loopful combustor exit temperature test very well；
2nd, two layers of cooling duct of screw type is provided with balance, is cooled down at first outside the disk body directly contacted with high-temperature fuel gas
Edge, improves the resistant to elevated temperatures ability of balance and its service life；
3rd, balance is centrally through closure plate and compresses plug screw formation cooling water cavity, and balance center is cooled down；
4th, main shaft is connected by Ni-based graphite slider with sliding bearing, reduces frictional force between the two.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of combustor exit rotating wobble plate；
Fig. 2 is the schematic cross-sectional view in B-B directions in Fig. 1；
Fig. 3 is the schematic cross-sectional view in C-C directions in Fig. 1；
Fig. 4 is the front sectional elevation of the sliding bearing in combustor exit rotating wobble plate；
Fig. 5 is the side view cutaway drawing of the sliding bearing in combustor exit rotating wobble plate.
Reference：Disk body 1, galvanic couple patchhole 2, soldering pin 3, ring water fender 4, closure plate 5, closure plate bolt 6 compresses plug screw
7, galvanic couple mounting groove 8, installation bolt 9, baffle ring 10, sliding bearing 11, main shaft 12, water inlet pipe 13, return pipe 14, the first water fender
15, second flap 16, rear fender 17, sunk screw 18, front pressuring plate 19, Ni-based graphite slider 20, closure plate cooling inlet opening 21,
Closure plate cools back water hole 22.
Embodiment
To make the purpose, technical scheme and advantage of the utility model implementation clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
The utility model is described in further detail below by specific embodiment.
Specific embodiment：
As shown in figure 1, the utility model provides a kind of combustor exit rotating wobble plate, including disk body 1 and main shaft 12, disk
Toroidal cavity is provided with body 1 and the coaxial welding of main shaft 12, disk body 1, the outer wall of main shaft 12 is provided with two supporting mechanisms, for supporting master
Axle 12；
The outer rim of disk body 1 is circumferentially evenly equipped with four galvanic couple mounting grooves 8, and the bottom surface of galvanic couple mounting groove 8 is provided with galvanic couple patchhole 2 and spiral shell
Pit, each thermocouple is fixed in galvanic couple mounting groove 8 by two installation bolts 9, and installation bolt 9 coordinates with above-mentioned screwed hole
Use, i.e. the bar portion of thermocouple is deep into galvanic couple patchhole 2, and the gauge outfit of thermocouple is fixed in galvanic couple mounting groove 8；
As shown in Figures 2 and 3, the equal and cavity height identical ring is fixed between two bottom surfaces of the cavity to keep off
Water plate 4, the first water fender 15 and second flap 16, above-mentioned two bottom surface refer to upper and lower two plane of disk body 1, first gear
The two ends of water plate 15 are mutually fixed with ring water fender 4 and the inner edge of disk body 1 respectively, the two ends of second flap 16 respectively with outside disk body 1
Edge is mutually fixed with the inner edge of disk body 1；
The wherein side mutually fixed with disk body 1 of ring water fender 4 is fixed in disk body 1 by four soldering pins 3, opposite side
Mutually welded with disk body 1, ring water fender 4 is in major arc shape, its radian is more than 270 degree and is coaxially disposed with disk body 1, ring dash
Preset distance is left between one end not being connected with the first water fender 15 of plate 4 and the plate face of second flap 16.
Provided with the water inlet pipe 13 and return pipe 14 connected with the cavity in main shaft 12, water inlet pipe 13 is used for cooling water
It is passed through in disk body 1, return pipe 14 is used to cooling water drainage going out disk body 1, and the junction of water inlet pipe 13 and disk body 1 is located at the first dash
Between plate 15 and second flap 16, water conservancy diversion, the first water fender 15 are carried out to the cooling water come in from water inlet pipe 13 with this
Between the junction and return pipe 14 of water inlet pipe 13 and disk body 1 and the junction of disk body 1, for by water inlet pipe 13 and return pipe
14 separate, and prevent cooling water to be directly discharged after entering；
The junction of water inlet pipe 13 and the junction of disk body 1 and return pipe 14 and disk body 1 is respectively positioned on using the bottom surface of disk body 1 as seat
In the same quadrant for marking system, it may be such that water inlet pipe 13 and return pipe 14 are as far as possible adjacent to each other, to increase film-cooled heat, prevent from being formed
Dead space；
Ring water fender 4, the first water fender 15 and second flap 16 are cold in be internally formed a screw type two layers of disk body 1
But passage, as denoted by the arrows in fig. 2, water-cycling mode be outside first side after inner side, cooling water is first cooled down disk body 1 after coming in
Outermost circle, strengthens the cooling to being in most severe high-temperature area.
As shown in Figures 1 and 2, the center of the bottom surface of the remote main shaft 12 of disk body 1 is equipped with closure plate 5, and closure plate 5 passes through closure plate
Bolt 6 is mutually fixed with the inner edge of disk body 1, and gasket seal is provided between closure plate 5 and disk body 1, and sealing property is strengthened by gasket seal,
Prevent leak；
Closure plate bolt 6 is connected through a screw thread mode equipped with plug screw 7 is compressed at the bottom surface of disk body 1, the inner edge of disk body 1, i.e.,
Plug screw 7 is compressed inside disk body 1, closure plate 5 compresses and gasket seal is provided between plug screw 7 and disk body 1, pass through in the outer surface of disk body 1
Gasket seal strengthens sealing property, prevents leak；
Closure plate 5 and compression plug screw 7 are coaxially disposed with disk body 1, and center cooling water is formed between closure plate 5 and compression plug screw 7
Chamber, closure plate 5 and compression plug screw 7 are used to form the center cooling water cavity, for being cooled to the center of disk body 1.
As shown in Fig. 2 the inner edge of disk body 1 is provided with multiple closure plate cooling inlet openings 21 and multiple closure plates cool back water hole 22, block up
Plate cools down inlet opening 21 and closure plate, and to cool back the quantity of water hole 22 identical, is three to six, and closure plate cools down inlet opening 21 along described
Cavity cooling current direction is located at the upstream that closure plate cools back water hole 22, i.e. cooling water and firstly flows through closure plate cooling inlet opening 21, then flows
Cross closure plate and cool back water hole 22, realize that cooling water enters the purpose of above-mentioned center cooling water cavity, closure plate cooling inlet opening 21 with this
It is symmetrical relative to the center of circle of disk body 1 that water hole 22 is cooled back with closure plate.
As shown in figure 4, the supporting mechanism includes the sliding bearing 11 and 12 circumferences for being set in the outer wall of main shaft 12
The Ni-based graphite slider 20 of the inwall of sliding bearing 11 is distributed on, Ni-based graphite slider 20 is arranged at main shaft 12 and sliding bearing 11
Between, for reducing frictional force between the two, Ni-based graphite material when main shaft 12 and sliding bearing 11 do relative rotary motion
Material has good heat conductivity and self lubricity；
As shown in figure 5, the supporting mechanism also include being separately positioned on Ni-based graphite slider 20 along main shaft 12 axially two
The rear fender 17 and front pressuring plate 19 of side, Ni-based graphite slider 20 are fixedly clamped by rear fender 17 and front pressuring plate 19, rear fender 17
Mutually fixed by sunk screw 18 between sliding bearing 11, between front pressuring plate 19 and sliding bearing 11, that is, pass through countersunk head spiral shell
Rear fender 17 and front pressuring plate 19 18 are fixed on sliding bearing 11 by nail, then by rear fender 17 and front pressuring plate 19 by Ni-based graphite
Sliding block 20 is fixed on sliding bearing 11.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (9)
1. a kind of combustor exit rotating wobble plate, including disk body (1) and main shaft (12), disk body (1) and main shaft (12) coaxial welding,
Toroidal cavity is provided with disk body (1), it is characterised in that：
Disk body (1) outer rim is circumferentially evenly equipped with multiple galvanic couple mounting grooves (8), and galvanic couple mounting groove (8) bottom surface is provided with galvanic couple patchhole (2)
And screwed hole, it is interior that thermocouple is fixed on galvanic couple mounting groove (8) by installation bolt (9)；
Equal and the cavity height identical ring water fender (4), the first water fender are fixed between two bottom surfaces of the cavity
(15) and second flap (16), the two ends of the first water fender (15) are mutually solid with ring water fender (4) and disk body (1) inner edge respectively
Fixed, the two ends of second flap (16) are mutually fixed with disk body (1) outer rim and disk body (1) inner edge respectively, and ring water fender (4) is in major arc
Shape, preset distance is left between its one end not being connected with the first water fender (15) and second flap (16) plate face；
Provided with the water inlet pipe (13) and return pipe (14) connected with the cavity, water inlet pipe (13) and disk body in main shaft (12)
(1) junction is located between the first water fender (15) and second flap (16), and the first water fender (15) is located at water inlet pipe
(13) between the junction of disk body (1) and the junction of return pipe (14) and disk body (1).
2. combustor exit rotating wobble plate according to claim 1, it is characterised in that main shaft (12) outer wall is provided with support machine
Structure, the sliding bearing (11) and multiple circumferences that the supporting mechanism includes being set in main shaft (12) outer wall is distributed on sliding bearing
(11) the Ni-based graphite slider (20) of inwall, Ni-based graphite slider (20) be arranged at main shaft (12) and sliding bearing (11) it
Between, the supporting mechanism also includes the rear fender along the axial both sides of main shaft (12) for being separately positioned on Ni-based graphite slider (20)
(17) and front pressuring plate (19), Ni-based graphite slider (20) is fixedly clamped by rear fender (17) and front pressuring plate (19), rear fender
(17) mutually fixed by sunk screw (18) between sliding bearing (11), between front pressuring plate (19) and sliding bearing (11).
3. combustor exit rotating wobble plate according to claim 2, it is characterised in that main shaft (12) outer wall is provided with two institutes
Supporting mechanism is stated, each supporting mechanism includes 12 Ni-based graphite sliders (20).
4. combustor exit rotating wobble plate according to claim 1, it is characterised in that the remote main shaft (12) of disk body (1)
The center of bottom surface closure plate (5) is housed, closure plate (5) mutually fixed by closure plate bolt (6) with disk body (1) inner edge, and disk body (1) is interior
Mode is connected through a screw thread at edge and is coaxially disposed equipped with plug screw (7), closure plate (5) and compression plug screw (7) is compressed with disk body (1),
Center cooling water cavity is formed between closure plate (5) and compression plug screw (7).
5. combustor exit rotating wobble plate according to claim 4, it is characterised in that disk body (1) inner edge is provided with multiple stifled
Plate cools down inlet opening (21) and multiple closure plates cool back water hole (22), and closure plate cooling inlet opening (21) and closure plate cool back water hole
(22) quantity is identical, and closure plate cools down inlet opening (21) and cools back the upper of water hole (22) positioned at closure plate along cavity cooling current direction
It is symmetrical relative to the center of circle of disk body (1) that trip, closure plate cooling inlet opening (21) and closure plate cool back water hole (22).
6. combustor exit rotating wobble plate according to claim 5, it is characterised in that set between closure plate (5) and disk body (1)
There is gasket seal, compress and gasket seal is provided between plug screw (7) and disk body (1).
7. combustor exit rotating wobble plate according to claim 1, it is characterised in that ring water fender (4) radian is more than two
170 degree and it is coaxially disposed with disk body (1), water inlet pipe (13) and the junction of disk body (1) and return pipe (14) and disk body (1)
Junction be respectively positioned in using disk body (1) bottom surface as the same quadrant of coordinate system.
8. combustor exit rotating wobble plate according to claim 1, it is characterised in that the quantity of galvanic couple mounting groove (8) is
Four, and each thermocouple is fixed by two installation bolts (9).
9. combustor exit rotating wobble plate according to claim 1, it is characterised in that ring water fender (4) with disk body (1)
Mutually fixed wherein side is fixed in disk body (1) by four soldering pins (3), and opposite side is mutually welded with disk body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122993.9U CN206514962U (en) | 2017-02-10 | 2017-02-10 | A kind of combustor exit rotating wobble plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122993.9U CN206514962U (en) | 2017-02-10 | 2017-02-10 | A kind of combustor exit rotating wobble plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514962U true CN206514962U (en) | 2017-09-22 |
Family
ID=59866216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720122993.9U Active CN206514962U (en) | 2017-02-10 | 2017-02-10 | A kind of combustor exit rotating wobble plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332956A (en) * | 2017-12-26 | 2018-07-27 | 中国航发四川燃气涡轮研究院 | A kind of turbine performance experiment outlet wheel measuring mechanism |
| CN112423554A (en) * | 2020-11-20 | 2021-02-26 | 常州工学院 | Water cooling device for data acquisition sensor of rotary combustion chamber |
-
2017
- 2017-02-10 CN CN201720122993.9U patent/CN206514962U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332956A (en) * | 2017-12-26 | 2018-07-27 | 中国航发四川燃气涡轮研究院 | A kind of turbine performance experiment outlet wheel measuring mechanism |
| CN112423554A (en) * | 2020-11-20 | 2021-02-26 | 常州工学院 | Water cooling device for data acquisition sensor of rotary combustion chamber |
| CN112423554B (en) * | 2020-11-20 | 2022-10-14 | 常州工学院 | Water cooling device for data acquisition sensor of rotary combustion chamber |
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