CN109236381A - Inlet flow guide for low pressure turbine - Google Patents
Inlet flow guide for low pressure turbine Download PDFInfo
- Publication number
- CN109236381A CN109236381A CN201811331368.0A CN201811331368A CN109236381A CN 109236381 A CN109236381 A CN 109236381A CN 201811331368 A CN201811331368 A CN 201811331368A CN 109236381 A CN109236381 A CN 109236381A
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- China
- Prior art keywords
- cavity
- sliding
- sliding eye
- annular
- rotation
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/048—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector for radial admission
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses inlet flow guide for low pressure turbine, including fuselage and the first cavity being arranged in the fuselage, the venthole of the first cavity roof annular distribution, admission opening is provided in the first cavity bottom wall, rotation is provided with the rotating turret extended downwardly in the fuselage, perforative mounting hole up and down is provided in the rotating turret, drive shaft is provided in the mounting hole, the groove of outward opening is provided on the drive shaft left hand end wall, the rotating turret, which is pinched, is provided with annular chamber；Device structure of the invention is simple, it is easy to operate, equipment air inlet guiding and intake control are driven by using the same power source, the locking of equipment is realized during above-mentioned function switch simultaneously, angle is entered the wind in locking during just adjusting air quantity simultaneously, makes to be oriented to more stable, this equipment maintenance easy to disassemble into vapour, it cooperates and does not influence between each process, improve device practical performance.
Description
Technical field
The present invention relates to steam turbine fields, specifically inlet flow guide for low pressure turbine.
Background technique
With the development of science and technology, social progress, country promotes always high-tech development, in steam turbine field, one
Directly there are a relatively difficult technical problem, be exactly when steam turbine is into vapour, be unable to control steam turbine into vapour direction with enter the wind
Amount, existing inlet flow guide is integrated, and demolition and maintenance are inconvenient on steam turbine, therefore a kind of device solution of urgent need is such
Problem.
Summary of the invention
Technical problem to be solved by the invention is to provide inlet flow guide for low pressure turbine, are able to solve above-mentioned present
The problems in technology.
The present invention is achieved through the following technical solutions: inlet flow guide for low pressure turbine of the invention, including machine
Body and the first cavity being arranged in the fuselage, the venthole of the first cavity roof annular distribution, described first
Admission opening is provided in cavity bottom wall, rotation is provided with the rotating turret extended downwardly, setting in the rotating turret in the fuselage
Have perforative mounting hole up and down, be provided with drive shaft in the mounting hole, be provided on the drive shaft left hand end wall opening to
Outer groove, the rotating turret, which is pinched, is provided with annular chamber, and rotation is provided with multiple groups between the annular chamber and first cavity
The first rotating shaft of annular spread, the first rotating shaft end in the annular chamber are fixedly installed with first bevel gear, and described
The first rotating shaft end in one cavity is protruded into first cavity, is provided with ring block in first cavity, described
Rotation is provided with the second shaft of multiple groups annular spread in ring block wall body, the fixed peace of the second shaft end outside the ring block
Equipped with guide vane, the second shaft end in the ring block is connect with the first rotating shaft end by universal joint, the ring
Rotation is provided with annular sleeve on shape cavity wall, and the annular sleeve outer surface is fixedly installed with the engaged with the first bevel gear
Two bevel gears, the annular sleeve outer surface are fixedly installed with the first gear below the first bevel gear, the installation
The second cavity being symmetrically arranged in the left hand end wall of hole below the annular chamber, second cavity and the annular chamber it
Between rotation be provided with third shaft, the third shaft end in the annular chamber is fixedly installed with to be nibbled with the first gear
The second gear of conjunction, the third shaft end in second cavity are fixedly installed with third hand tap gear, and described second is empty
Chamber is provided with the third cavity of outward opening in the end wall of the mounting hole side, is slidably arranged in the third cavity
There is the first sliding shoe, first motor is fixedly installed in the first sliding shoe outer end wall, the first motor output is axial
The second cavity extending end is fixedly installed with the 4th bevel gear engaged with the third hand tap gear, third cavity top
It is provided with the first sliding eye that Open Side Down in wall, can slide up and down to be provided in first sliding eye and be slided with described first
The first rack gear that motion block is fixedly connected is symmetrically set with the second sliding eye of opening upwards, institute in the annular chamber bottom wall
It states to can slide up and down in the second sliding eye and is provided with the second rack gear, connect between first sliding eye and second sliding eye
Logical to be provided with the 4th cavity, rotation is provided with the engaged with first rack gear and the second rack gear in the 4th cavity
Three gears.
Preferably technical solution, rotating turret outer surface annular is provided with the 5th cavity outside connection, described
It can slide up and down in 5th cavity and be provided with annular slipping block, be hingedly connected with annular spread on the annular slipping block outer wall
Hinge bar, hinge bar top end articulated connection on the ring block bottom wall, left and right pair in the annular slipping block
Title is provided with perforative threaded hole, the threaded hole screw-internal thread fit up and down and is connected with the threaded rod extended up and down, the screw thread
Second cavity is protruded into through the second cavity bottom wall at the top of bar and end is fixedly installed with and matches with the 4th bevel gear
The 5th bevel gear closed.
It is empty to be provided with the symmetrical 6th for preferably technical solution between the 5th cavity and the mounting hole
Chamber, is provided with and communicated with third sliding eye between the 6th cavity and the third cavity, in the third sliding eye slidably
Be provided with the first sliding bar being fixedly connected with first sliding shoe, the 6th cavity is close to one side of mounting hole
The second motor is fixedly installed in wall, second motor output shaft end is fixedly installed with and first sliding bar cooperation
Cam, is provided with the 4th inside sliding eye of opening in the mounting hole left hand end wall, slidable in the 4th sliding eye
It is provided with the second sliding bar, the card slot that Open Side Down, the 4th sliding eye bottom wall are provided on the second sliding bar bottom wall
It is inside provided with the 5th sliding eye of opening upwards, electromagnet is fixedly installed on the 5th sliding eye bottom wall, the described 5th is sliding
The third sliding bar with electromagnet cooperation is slidably provided in dynamic hole, the third sliding bar top end protrudes into institute
It states in card slot, the 6th sliding eye through the 4th sliding eye, the 6th sliding is provided in the 6th cavity bottom wall
The 4th sliding bar with the cam engagement is slidably provided in hole.
Preferably technical solution is provided with the first opposite limit of opening in the third sliding eye left hand end wall
Slot, is slidably provided with the first limited block being fixedly connected with first sliding bar in first limiting slot, and described
Elasticity is provided with the first top pressure spring between one limited block and the first limit groove bottom wall, in the 6th sliding eye left hand end wall
Opening is provided with to the second opposite limiting slot, is slidably provided in second limiting slot solid with the 4th sliding bar
Surely the second limited block connected, elasticity is provided with the second press bullet between second limiting slot and the second limit groove bottom wall
Spring is provided with the third limiting slot that Open Side Down in the 4th sliding eye roof, slidably sets in the third limiting slot
It is equipped with the third limited block being fixedly connected with second sliding bar, between the third limited block and third limit trough end wall
Elasticity is provided with third top pressure spring, and the 4th inside limiting slot of opening, institute are provided in the 5th sliding eye outer end wall
State the 4th limited block for being slidably provided in the 4th limiting slot and being fixedly connected with the third sliding bar, the 4th limit
Elasticity is provided with the 4th top pressure spring between block and the 4th limit groove bottom wall.
The beneficial effects of the present invention are: the fuselage will be needed to be placed in air inlet flue when being worked with equipment of the invention
It is interior, Steam Turbine Driven axis is placed in the mounting hole, second motor is started, the second motor rotation drives described convex
Wheel rotation, the second cam rotation drive the 4th sliding bar to move down, and the 4th sliding bar moves down press described second
Sliding bar is moved in the groove, and with this, the third sliding bar is sprung into the card slot simultaneously, at this time the fuselage rotation
Frame is fixed with the drive shaft, is passed through steam, drive shaft turns described in the steam drive, institute into the air inlet flue at this time
It states drive shaft turns and drives rotating block rotation, when needing to equipment into vapour guiding, start the first motor, described the
The rotation of one motor drives the 4th bevel gear rotation, and the 4th bevel gear rotation drives the third hand tap gear rotation, institute
It states third hand tap gear rotation and drives the third shaft rotation, the third shaft rotation drives the second gear rotation, institute
It states second gear rotation and drives the first gear rotation, the first gear rotation drives the first bevel gear rotation, institute
It states first bevel gear rotation and drives the guide vane rotation, to adjust into vapour direction；When equipment of the invention needs to adjust
Starting the second motor rotation when throttle flow, the second motor rotation drives the cam rotation, and at this time described first
Sliding shoe moves down, and the first rack gear described in shipper pole moves down under first sliding shoe, and first rack gear moves down drive described second
Rack gear, which moves up, locks the annular sleeve, to lock air inlet angle, first sliding shoe, which moves down, drives the triconodont
Wheel is separated with the 4th bevel gear, and the 4th bevel gear engages with the 5th bevel gear, starts first electricity at this time
Machine, the first motor rotation drive the 4th bevel gear rotation, and the 4th bevel gear rotation drives the 5th cone tooth
Wheel rotation, the 5th bevel gear rotation drive the threaded rod rotation, and the threaded rod rotation drives the annular slipping block
It moves down to increase blade and shell spacing, to increase intake；Start institute when setting of the invention needs detachable maintaining
Third sliding bar described in electromagnetic actuation is stated, second sliding bar pops up the groove, the equipment easy to disassemble at this time；
Device structure of the invention is simple, easy to operate, drives equipment air inlet guiding and air inlet by using the same power source
Amount controls, while the locking of equipment is realized during above-mentioned function switch, while just locking during adjusting air quantity and entering the wind angle
Degree makes to be oriented to more stable, this equipment maintenance easy to disassemble into vapour, cooperates and do not influence between each process, improve
Device practical performance.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,；
Fig. 1 is inlet flow guide for low pressure turbine overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of A in Fig. 1.
Specific embodiment
As Figure 1-Figure 2, inlet flow guide for low pressure turbine of the invention, including fuselage 100 and setting are described
The first cavity 104 in fuselage 100, the venthole 105 of 104 roof annular of the first cavity distribution, first cavity
Admission opening 117 is provided in 104 bottom walls, rotation is provided with the rotating turret 112 extended downwardly, the rotation in the fuselage 100
It is provided with perforative mounting hole 109 up and down in frame 112, is provided with drive shaft 110, the drive shaft 110 in the mounting hole 109
The groove 138 of outward opening is provided on left hand end wall, the rotating turret 112, which is pinched, is provided with annular chamber 108, the annular chamber
Rotation is provided with the first rotating shaft 106 of multiple groups annular spread between 108 and first cavity 104, in the annular chamber 108
106 end of first rotating shaft is fixedly installed with first bevel gear 107, the first rotating shaft 106 in first cavity 104
End is protruded into first cavity 104, and ring block 101,101 wall body of ring block are provided in first cavity 104
It is interior to rotate the second shaft 103 for being provided with multiple groups annular spread, the fixed peace in 103 end of the second shaft outside the ring block 101
Equipped with guide vane 102,103 end of the second shaft and 106 end of first rotating shaft in the ring block 101 are by universal joint
It connects, rotation is provided with annular sleeve 111 on 108 inner wall of annular chamber, and 111 outer surface of annular sleeve is fixedly installed with and institute
The second bevel gear 113 of the engagement of first bevel gear 107 is stated, 111 outer surface of annular sleeve is fixedly installed with positioned at described first
The first gear 158 of the lower section of bevel gear 107 is symmetrically arranged with positioned at the annular chamber 108 in 109 left hand end wall of mounting hole
Second cavity 154 of lower section, rotation is provided with third shaft 157, institute between second cavity 154 and the annular chamber 108
157 end of third shaft stated in annular chamber 108 is fixedly installed with the second gear engaged with the first gear 158
114,157 end of third shaft in second cavity 154 is fixedly installed with third hand tap gear 156, and described second is empty
Chamber 154 is provided with the third cavity 118 of outward opening in the 109 side end wall of mounting hole, in the third cavity 118
It slidably is provided with the first sliding shoe 124, is fixedly installed with first motor 125 in 124 outer end wall of the first sliding shoe,
The first motor 125 exports axial second cavity, 154 extending end and is fixedly installed with nibbles with the third hand tap gear 156
The 4th bevel gear 155 closed, is provided with the first sliding eye 122 that Open Side Down in 118 roof of third cavity, and described first
Can slide up and down the first rack gear 121 for being provided with and being fixedly connected with first sliding shoe 124 in sliding eye 122, the ring
The second sliding eye 119 of opening upwards is symmetrically set in 108 bottom wall of shape chamber, it can be upper and lower in second sliding eye 119
Sliding is provided with the second rack gear 159, and the is provided with and communicated between first sliding eye 122 and second sliding eye 119
Four cavitys 120, rotation is provided in the 4th cavity 120 engages with first rack gear 121 and the second rack gear 159
Third gear 123.
Valuably, the 112 outer surface annular of rotating turret is provided with the 5th cavity 151 outside connection, and the described 5th is empty
It can slide up and down in chamber 151 and be provided with annular slipping block 115, be hingedly connected with annular on annular 115 outer wall of slipping block
The hinge bar 116 of distribution, on 101 bottom wall of ring block, the annular is sliding for 116 top end of the hinge bar articulated connection
It moves in block 115 and is symmetrically set with perforative threaded hole 150 up and down, 150 screw-internal thread fit of threaded hole is connected with up and down
The threaded rod 152 of extension, at the top of the threaded rod 152 through 154 bottom wall of the second cavity protrude into second cavity 154 and
End is fixedly installed with the 5th bevel gear 153 with the 4th bevel gear 155 cooperation.
Valuably, it is provided with symmetrical 6th cavity 133 between the 5th cavity 151 and the mounting hole 109,
Third sliding eye 127, the third sliding eye 127 are provided with and communicated between 6th cavity 133 and the third cavity 118
Interior to be slidably provided with the first sliding bar 126 being fixedly connected with first sliding shoe 124, the 6th cavity 133 leans on
The second motor 131 is fixedly installed in the nearly 109 side end wall of mounting hole, second motor 131 exports shaft end and fixes
Cam 132 with first sliding bar 126 cooperation is installed, it is inside to be provided with opening in 109 left hand end wall of mounting hole
The 4th sliding eye 146, be slidably provided with the second sliding bar 145, second sliding bar in the 4th sliding eye 146
It is provided with the card slot 160 that Open Side Down on 145 bottom walls, is provided with the 5th of opening upwards in 146 bottom wall of the 4th sliding eye
Sliding eye 141 is fixedly installed with electromagnet 140 on 141 bottom wall of the 5th sliding eye, can slide in the 5th sliding eye 141
The dynamic third sliding bar 161 being provided with the electromagnet 140 cooperation, 161 top end of third sliding bar protrude into institute
It states in card slot 160, the 6th sliding eye 135 through the 4th sliding eye 146 is provided in 133 bottom wall of the 6th cavity,
The 4th sliding bar 134 with the cam 132 cooperation is slidably provided in 6th sliding eye 135.
Valuably, the first opposite limiting slot 129 that is open is provided in 127 left hand end wall of third sliding eye, it is described
The first limited block 128 being fixedly connected with first sliding bar 126 is slidably provided in first limiting slot 129, it is described
Elasticity is provided with the first top pressure spring 130, the 6th sliding between first limited block 128 and 129 bottom wall of the first limiting slot
It is provided with opening in 135 left hand end wall of hole to the second opposite limiting slot 148, is slidably set in second limiting slot 148
It is equipped with the second limited block 149 being fixedly connected with the 4th sliding bar 134, second limiting slot 149 and second limit
Elasticity is provided with the second top pressure spring 147 between 148 bottom wall of slot of position, is provided with that Open Side Down in 146 roof of the 4th sliding eye
Third limiting slot 137, be slidably provided in the third limiting slot 137 and be fixedly connected with second sliding bar 145
Third limited block 136, between the third limited block 136 and 137 end wall of third limiting slot elasticity be provided with third press
Spring 139 is provided with the 4th inside limiting slot 143 of opening, the 4th limit in 141 outer end wall of the 5th sliding eye
The 4th limited block 144 being fixedly connected with the third sliding bar 161, the 4th limit are slidably provided in slot 143
Elasticity is provided with the 4th top pressure spring 142 between block 144 and 143 bottom wall of the 4th limiting slot.
When equipment of the invention is in original state, the first motor 125 is in quiet with second motor 131
Only state, first sliding shoe 124 are located at 118 top of third cavity, the third hand tap gear 156 and the 4th cone
Gear 155 engages, and the 4th bevel gear 155 separates with the 5th bevel gear 153, and the annular slipping block 115 is located at institute
151 any position of the 5th cavity is stated, second sliding bar 145 is located at outside the groove 138.
When being worked with equipment of the invention, the fuselage 100 will be needed to be placed in air inlet flue, by Steam Turbine Driven axis
It is placed in the mounting hole 109, starts second motor 131, the rotation of the second motor 131 drives described 132 turns of cam
Dynamic, the rotation of cam 132 drives the 4th sliding bar 134 to move down, and the 4th sliding bar 134 moves down press described second
Sliding bar 145 is moved in the groove 138, and with this, the third sliding bar 161 is sprung into the card slot 160 simultaneously, at this time
The fuselage rotating turret 112 is fixed with the drive shaft 110, is passed through steam into the air inlet flue at this time, and the steam drives
It moves the drive shaft 110 to rotate, the rotation of drive shaft 110 drives the rotating block 112 to rotate, when needing to lead equipment into vapour
Xiang Shi, starts the first motor 125, and the rotation of first motor 125 drives the 4th bevel gear 155 rotation, and described the
The rotation of four bevel gears 155 drives the third hand tap gear 156 to rotate, and the rotation of third hand tap gear 156 drives the third to turn
Axis 157 rotates, and the rotation of third shaft 157 drives the second gear 114 to rotate, and the rotation of second gear 114 drives
The first gear 158 rotates, and the rotation of first gear 158 drives the first bevel gear 107 to rotate, the first cone tooth
107 rotation of wheel drives the guide vane 102 to rotate, to adjust into vapour direction；When equipment needs of the invention are adjusted into vapour
When amount, start the second motor 131 rotation, the rotation of the second motor 131 drives the cam 132 to rotate, at this time institute
It states the first sliding shoe 124 to move down, the first rack gear 121 described in the lower shipper pole of first sliding shoe 124 moves down, first rack gear
121 move down and drive second rack gear 159 to move up to lock the annular sleeve 111, to lock air inlet angle, described first is sliding
Motion block 124, which moves down, drives the third hand tap gear 156 to separate with the 4th bevel gear 155, the 4th bevel gear 155 and institute
The engagement of the 5th bevel gear 153 is stated, starts the first motor 125 at this time, the rotation of first motor 125 drives the 4th cone
Gear 155 rotates, and the 4th bevel gear 155 rotation drives the 5th bevel gear 153 rotation, the 5th bevel gear 153
Rotation drives the threaded rod 152 to rotate, and the rotation of threaded rod 152 drives the annular slipping block 115 to move down to increase
Blade and shell spacing, to increase intake；Start the electromagnet 140 when setting of the invention needs detachable maintaining to inhale
The third sliding bar 161 is closed, second sliding bar 145 pops up the groove 138, the equipment easy to disassemble at this time.
The beneficial effects of the present invention are: the fuselage will be needed to be placed in air inlet flue when being worked with equipment of the invention
It is interior, Steam Turbine Driven axis is placed in the mounting hole, second motor is started, the second motor rotation drives described convex
Wheel rotation, the second cam rotation drive the 4th sliding bar to move down, and the 4th sliding bar moves down press described second
Sliding bar is moved in the groove, and with this, the third sliding bar is sprung into the card slot simultaneously, at this time the fuselage rotation
Frame is fixed with the drive shaft, is passed through steam, drive shaft turns described in the steam drive, institute into the air inlet flue at this time
It states drive shaft turns and drives rotating block rotation, when needing to equipment into vapour guiding, start the first motor, described the
The rotation of one motor drives the 4th bevel gear rotation, and the 4th bevel gear rotation drives the third hand tap gear rotation, institute
It states third hand tap gear rotation and drives the third shaft rotation, the third shaft rotation drives the second gear rotation, institute
It states second gear rotation and drives the first gear rotation, the first gear rotation drives the first bevel gear rotation, institute
It states first bevel gear rotation and drives the guide vane rotation, to adjust into vapour direction；When equipment of the invention needs to adjust
Starting the second motor rotation when throttle flow, the second motor rotation drives the cam rotation, and at this time described first
Sliding shoe moves down, and the first rack gear described in shipper pole moves down under first sliding shoe, and first rack gear moves down drive described second
Rack gear, which moves up, locks the annular sleeve, to lock air inlet angle, first sliding shoe, which moves down, drives the triconodont
Wheel is separated with the 4th bevel gear, and the 4th bevel gear engages with the 5th bevel gear, starts first electricity at this time
Machine, the first motor rotation drive the 4th bevel gear rotation, and the 4th bevel gear rotation drives the 5th cone tooth
Wheel rotation, the 5th bevel gear rotation drive the threaded rod rotation, and the threaded rod rotation drives the annular slipping block
It moves down to increase blade and shell spacing, to increase intake；Start institute when setting of the invention needs detachable maintaining
Third sliding bar described in electromagnetic actuation is stated, second sliding bar pops up the groove, the equipment easy to disassemble at this time；
Device structure of the invention is simple, easy to operate, drives equipment air inlet guiding and air inlet by using the same power source
Amount controls, while the locking of equipment is realized during above-mentioned function switch, while just locking during adjusting air quantity and entering the wind angle
Degree makes to be oriented to more stable, this equipment maintenance easy to disassemble into vapour, cooperates and do not influence between each process, improve
Device practical performance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (4)
1. inlet flow guide for low pressure turbine of the invention, including fuselage and the first cavity being arranged in the fuselage,
Be characterized in that: the venthole of the first cavity roof annular distribution is provided with admission opening in the first cavity bottom wall, institute
It states rotation in fuselage and is provided with the rotating turret extended downwardly, perforative mounting hole up and down, the peace are provided in the rotating turret
Dress is provided with drive shaft in hole, the groove of outward opening is provided on the drive shaft left hand end wall, the rotating turret pinches setting
There is annular chamber, rotation is provided with the first rotating shaft of multiple groups annular spread, the ring between the annular chamber and first cavity
The intracavitary first rotating shaft end of shape is fixedly installed with first bevel gear, the first rotating shaft end in first cavity
It protrudes into first cavity, ring block is provided in first cavity, rotation is provided with multiple groups in the ring block wall body
Second shaft of annular spread, the second shaft end outside the ring block are fixedly installed with guide vane, in the ring block
The second shaft end connect with the first rotating shaft end by universal joint, it is described annular cavity wall on rotation be provided with annular
Set, the annular sleeve outer surface is fixedly installed with the second bevel gear engaged with the first bevel gear, the annular sleeve appearance
Face is fixedly installed with the first gear below the first bevel gear, is symmetrically arranged with position in the mounting hole left hand end wall
The second cavity below the annular chamber, rotation is provided with third shaft, institute between second cavity and the annular chamber
It states the third shaft end in annular chamber and is fixedly installed with the second gear engaged with the first gear, described second is empty
The intracavitary third shaft end is fixedly installed with third hand tap gear, and second cavity is close to mounting hole side end wall
It is inside provided with the third cavity of outward opening, the first sliding shoe is slidably provided in the third cavity, described first is sliding
First motor is fixedly installed in motion block outer end wall, the axial second cavity extending end of first motor output is fixed
The 4th bevel gear engaged with the third hand tap gear is installed, first that Open Side Down is provided in the third cavity roof
Sliding eye, can slide up and down in first sliding eye the first rack gear for being provided with and being fixedly connected with first sliding shoe,
It is symmetrically set with the second sliding eye of opening upwards in the annular chamber bottom wall, can be slided up and down in second sliding eye
Be provided with the second rack gear, be provided with and communicated with the 4th cavity between first sliding eye and second sliding eye, described
Rotation is provided with the third gear engaged with first rack gear and the second rack gear in four cavitys.
2. inlet flow guide for low pressure turbine according to claim 1, it is characterised in that: the rotating turret outer surface annular
The 5th cavity being provided with outside connection can slide up and down in the 5th cavity and be provided with annular slipping block, the annular
The hinge bar of annular spread, the hinge bar top end articulated connection and the ring block are hingedly connected on slipping block outer wall
On bottom wall, it is symmetrically set with perforative threaded hole up and down in the annular slipping block, the threaded hole screw-internal thread fit connects
It is connected to the threaded rod extended up and down, runs through the second cavity bottom wall at the top of the threaded rod and protrudes into second cavity and end
It is fixedly installed with the 5th bevel gear with the 4th bevel gear cooperation.
3. inlet flow guide for low pressure turbine according to claim 1, it is characterised in that: the 5th cavity and the peace
Dress is provided with symmetrical 6th cavity between hole, is provided with and communicated with third between the 6th cavity and the third cavity
Sliding eye is slidably provided with the first sliding bar being fixedly connected with first sliding shoe, institute in the third sliding eye
It states the 6th cavity and is fixedly installed with the second motor in the end wall of the mounting hole side, second motor output shaft end is solid
Dingan County is equipped with the cam cooperated with first sliding bar, and it is sliding that inside the 4th that be open is provided in the mounting hole left hand end wall
Hole is moved, the second sliding bar is slidably provided in the 4th sliding eye, is provided with opening on the second sliding bar bottom wall
Downward card slot is provided with the 5th sliding eye of opening upwards, the 5th sliding eye bottom wall in the 4th sliding eye bottom wall
On be fixedly installed with electromagnet, be slidably provided in the 5th sliding eye with the electromagnet cooperation third slide
Bar, the third sliding bar top end protrude into the card slot, are provided in the 6th cavity bottom wall through the described 4th
6th sliding eye of sliding eye is slidably provided with the 4th sliding bar with the cam engagement in the 6th sliding eye.
4. inlet flow guide for low pressure turbine according to claim 1, it is characterised in that: described third sliding eye or so end
It is provided with the first opposite limiting slot that is open in wall, is slidably provided with and first sliding bar in first limiting slot
The first limited block being fixedly connected, elasticity is provided with the first press bullet between first limited block and the first limit groove bottom wall
Spring is provided with opening in the 6th sliding eye left hand end wall to the second opposite limiting slot, can slide in second limiting slot
Dynamic is provided with the second limited block being fixedly connected with the 4th sliding bar, second limiting slot and second limiting slot
Elasticity is provided with the second top pressure spring between bottom wall, is provided with the third limiting slot that Open Side Down in the 4th sliding eye roof,
The third limited block being fixedly connected with second sliding bar, the third limit are slidably provided in the third limiting slot
Elasticity is provided with third top pressure spring, setting in the 5th sliding eye outer end wall between position block and third limit trough end wall
There is the 4th limiting slot of opening inwardly, is slidably provided in the 4th limiting slot and is fixedly connected with the third sliding bar
The 4th limited block, the 4th limited block and it is described 4th limit groove bottom wall between elasticity be provided with the 4th top pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331368.0A CN109236381A (en) | 2018-11-09 | 2018-11-09 | Inlet flow guide for low pressure turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331368.0A CN109236381A (en) | 2018-11-09 | 2018-11-09 | Inlet flow guide for low pressure turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236381A true CN109236381A (en) | 2019-01-18 |
Family
ID=65077734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811331368.0A Withdrawn CN109236381A (en) | 2018-11-09 | 2018-11-09 | Inlet flow guide for low pressure turbine |
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| CN (1) | CN109236381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591435A (en) * | 2019-01-23 | 2019-04-09 | 北京柏力行彩印有限公司 | Flexographic printing apparatus and its rubber sleeve Replacement procedure |
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2018
- 2018-11-09 CN CN201811331368.0A patent/CN109236381A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591435A (en) * | 2019-01-23 | 2019-04-09 | 北京柏力行彩印有限公司 | Flexographic printing apparatus and its rubber sleeve Replacement procedure |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |
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| WW01 | Invention patent application withdrawn after publication |