CN109026170A

CN109026170A - Blade for Gas Turbine

Info

Publication number: CN109026170A
Application number: CN201810909321.1A
Authority: CN
Inventors: 俞文; 俞一文
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-10
Filing date: 2018-08-10
Publication date: 2018-12-18

Abstract

The invention discloses the blades for Gas Turbine, under casing including being fixedly arranged on ground, be installed in the under casing upper surface it is opening up under begin to speak, it begins to speak to be provided with and communicated with transluminal in right end wall under described, track chamber is provided with and communicated in the transluminal upper end wall, chamber is provided with and communicated in the transluminal lower end wall, the intracavitary rotation of company is provided with motor-driven main grinding tooth wheel, sealing plate has been engaged above the main grinding tooth wheel, the sealing plate and the track chamber are slidably connected, present device structure is simple, it is easy to use, this equipment uses screw regulating type method, utilize the gears engagement capability such as Bevel Gear Transmission, realize the angle change function of turbine flabellum, and use link-type working method, realize the switch of associated closure valve, effectively increase the practicability of equipment.

Description

Blade for Gas Turbine

Technical field

The present invention relates to gas turbine fields, and in particular to the blade for Gas Turbine.

Background technique

The turbo blade of gas turbine often uses monoblock type manufacture processing, using the blank material work in-process using monolith The integral type turbo blade of monolith is cut under the action of the heart, in use, the turbo blade due to monoblock type is working In the process if there is damage the case where, replacement is more difficult with repairing, be badly in need of it is a kind of use fabricated turbo blade, and More difficult for turbo blade angulation change in practical work process, this equipment efficiently solves the problems, such as this.

Summary of the invention

The purpose of the present invention is to provide the blades for Gas Turbine, and the above-mentioned of the prior art can be overcome to lack It falls into.

According to the present invention, the blade for Gas Turbine of present device, the under casing including being fixedly arranged on ground, institute State be installed under casing upper surface it is opening up under begin to speak, be provided with and communicated with transluminal in right end wall of beginning to speak under described, it is described to wear It is provided with and communicated with track chamber in chamber upper end wall, chamber is provided with and communicated in the transluminal lower end wall, the intracavitary rotation of company is set It is equipped with motor-driven main grinding tooth wheel, sealing plate has been engaged above the main grinding tooth wheel, the sealing plate and the track chamber are sliding It is dynamic to be cooperatively connected, the envelope that bolt is fixed on the under casing right side and blocks the transluminal is provided on the right side of the transluminal Closing plate is provided with and communicated with symmetrical even chamber in lower end wall of beginning to speak under described, the even chamber far from the center of circle of beginning to speak under described It is provided with and communicated in end wall, lower section of beginning to speak under described is provided with the drive cavity in the under casing, the drive cavity left and right sides It is provided with the interior and symmetrical intermediate cavity positioned at the under casing, it is described to be provided between intermediate cavity in the under casing Inner cavity is installed with driving motor in the drive cavity upper end wall, and the output shaft lower end surface of the driving motor is installed with initiative taper Gear, the drive bevel gear left and right sides have been engaged symmetrical driven wheel of differential, far from the drive bevel gear The driven wheel of differential end face is installed with bull stick, and the bar rotation runs through the drive cavity and protrudes into the intermediate cavity, What is rotated in the intermediate cavity end wall far from the drive cavity is provided with side lever, and the inner cavity is protruded into the side lever rotation Interior, the side lever end face far from the driving motor is installed with driving gear, the driving tooth far from the driving motor Wheel side has been engaged driven gear, is installed in the driven gear and prolongs bar, described to prolong bar and inner cavity end wall rotation Be cooperatively connected, it is described prolong bar rotation through the inner cavity and protrude into described and be rotatably assorted and connect with the end wall, it is described to prolong Rod outer surface, which is threadedly engaged, is connected with symmetrical sliding block, and what is rotated in the sliding block is provided with connecting rod, close to described Under the begin to speak connecting rod side in the center of circle be provided with sealing plate, the connecting rod is rotatably assorted with the sealing plate and connect, the sealing plate with The even chamber sliding connection, the mating connection of under casing upper surface bolt are provided with spherical shell, the spherical shell and the under casing The position of contact is provided with sealing ring, and the spherical shell outer surface is installed with symmetrical knob, is installed with out in the spherical shell Half chamber of mouth down, the interior rotation of the half cavity rear end wall are provided with shaft, and the shaft extends exterior space, the shaft Outer surface is installed with transcapsidation, and ante-chamber is installed in the transcapsidation, is provided with the transmission in the transcapsidation on rear side of the ante-chamber Chamber, the shaft are fixed through the drive cavity and ante-chamber and with the ante-chamber front bulkhead, the shaft outer surface be installed with The ante-chamber end wall is fixed and the fixed plate of annular setting, and what is rotated in the ante-chamber end wall is provided with turning for several annular settings Handle is installed with drive bevel gear close to the transcapsidation end face of the shaft, has been engaged ring on rear side of the drive bevel gear Type bevel gear is installed with pre-and post perforative transluminal in the ring-like bevel gear, and the ring-like bevel gear rear end face is installed with internal tooth Ring, the internal gear are rotatably assorted with the ante-chamber end wall and connect, and are installed in the internal gear pre-and post perforative through chamber, institute The meshing gear that shaft internal messing is provided with several annular settings is stated, the meshing gear rear end face is installed with even shaft, described What even shaft rotated runs through the ante-chamber and protrudes into the drive cavity, and the even shaft end face far from the ante-chamber is installed with It is described to be engaged on rear side of bevel gear far from the driving bevel gear for running through chamber from nibbling from nibbling bevel gear, turn far from described The driving bevel gear end face of axis is installed with rotary column, and the rotary column rotation runs through the drive cavity end wall and is directed away from institute The direction for stating shaft extends, the transcapsidation outer surface is installed with beginning to speak for several annular settings and opening, begins to speak far from described Transcapsidation outer surface annular is provided with several clip cavities being open far from the shaft, the end wall of beginning to speak far from the turning handle Screw-internal thread fit is connected with the threaded post protruded into the clip cavity, the threaded post end face far from the driving bevel gear It is inside installed with the side port of opening, the rotary column is rotatably assorted with the clip cavity and connect.

Further technical solution, the closed plate left side are installed with gasket, and the bull stick and side lever pass through universal Section is connected by power.

Further technical solution, the screw thread for prolonging rod outer surface and being installed with two sections of opposite directions.

Further technical solution, the described of left and right sides prolong the hand of spiral of rod outer surface on the contrary, making the described of left and right sides Sealing plate is simultaneously towards or far from beginning to speak under described center of circle movement.

The beneficial effects of the present invention are:

In the initial state due to present device, the driving motor and main grinding tooth wheel are in stop working state, the envelope Plate is in the closed state of the transluminal, and the sealing plate closes the even chamber, to make above structure in the initial state It positioned at initial position, can be adjusted in follow-up work, effectively improve the working regularity of equipment.

When equipment operation, the high-temperature gas of fuel gas buring be passed through it is described under begin to speak after, the driving fan that turns is turned Dynamic, the transcapsidation is rotated at this time, then the power of rotation is transmitted to the shaft by the transcapsidation, will after the shaft rotation Power is transmitted to exterior space, when equipment stops working, when the angle to the turning handle being needed to convert, first stretches tool Enter in the side port, rotate the threaded post, move the threaded post far from the rotary column direction, is in the rotary column certainly Tool, is protruded into that the insertion is intracavitary, and turning rotates after the rotary column driving bevel gear, institute by the state so moved at this time State drive after driving bevel gear rotation it is described from nibbling bevel gear rotation, with described from nibbling the fixed even shaft rotation of bevel gear After rotate the meshing gear, make the ring-like bevel gear turn after internal gear rotation engage with the meshing gear It is dynamic, the drive bevel gear is rotated after the ring-like bevel gear rotation, then makes the turning handle after the drive bevel gear rotation Specified angle is turned to, the angulation change of the turning handle can be realized, makes the spiral shell after turning the side port using tool at this time Line column and the rotary column, which are loaded to fix, can be realized fixed function, when clearing up equipment, disassemble the spiral shell of the spherical shell Bolt is sling the spherical shell using the knob, drives the driven wheel of differential to rotate after the driving motor work at this time, with Side lever rotation under the action of universal joint, makes the driving gear after the bar rotation that the driven wheel of differential is connected by power It drives the driven gear to rotate after rotation, then prolongs bar rotation described in drive after the driven gear rotation, at this time the sliding block Make the sealing plate in the intracavitary sliding of the company towards or away from the movement of the even cavity direction, make cleaning tube road by institute The company's of stating chamber enter it is described under begin to speak in, or sewage flowed out by the intracavitary pipeline that is loaded of the company, carries out work in equipment If desired promptly reduced when making it is described under begin to speak interior gas pressure, then disassemble the closed plate, and make the main grinding tooth Take turns work, swing the sealing plate, the sealing plate is made to progressively disengage the closing with the transluminal, make it is described under begin to speak interior high pressure Gas is excluded by the transluminal, to realize the angle change and high-efficiency cleaning function of turbine flabellum.

Present device structure is simple, easy to use, this equipment uses screw regulating type method, utilizes Bevel Gear Transmission etc. Gear engagement capability realizes the angle change function of turbine flabellum, and uses link-type working method, realizes related envelope The switch of valve closing door effectively increases the practicability of equipment.

The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention It should be determined by the scope of protection defined in the claims.

Detailed description of the invention

It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is the overall structure diagram of the blade for Gas Turbine of the invention；

Fig. 2 is the schematic diagram in the direction A-A in Fig. 1.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

As shown in Figs. 1-2, the blade for Gas Turbine of the invention, the under casing 100 including being fixedly arranged on ground, institute State be installed in 100 upper surface of under casing it is opening up under begin to speak 140, be provided with and communicated with and wear in 140 right end walls of beginning to speak under described Chamber 133 is provided with and communicated with track chamber 141 in 133 upper end wall of transluminal, is provided with and communicated in 133 lower end wall of transluminal Chamber 134, the interior rotation of even chamber 134 are provided with motor-driven main grinding tooth wheel 136, engage above the main grinding tooth wheel 136 It is provided with sealing plate 135, the sealing plate 135 is slidably connected with the track chamber 141, is provided on the right side of the transluminal 133 logical Cross the closed plate 131 that bolt is fixed on 100 right side of under casing and blocks the transluminal 133,140 lower ends of beginning to speak under described Symmetrical even chamber 150 is provided with and communicated in wall, connection in even 150 end wall of chamber far from 140 centers of circle of beginning to speak under described 151 are provided with, 140 lower sections of beginning to speak under described are provided with the drive cavity 102 in the under casing 100, and the drive cavity 102 is left Right side is provided in the under casing 100 and symmetrical intermediate cavity 107, is provided between described 151 and intermediate cavity 107 Inner cavity 111 in the under casing 100 is installed with driving motor 101, the driving electricity in 102 upper end wall of drive cavity The output shaft lower end surface of machine 101 is installed with drive bevel gear 103, and 103 left and right sides of drive bevel gear has been engaged left and right Symmetrical driven wheel of differential 104,104 end face of the driven wheel of differential far from the drive bevel gear 103 are installed with bull stick 105, what the bull stick 105 rotated runs through the drive cavity 102 and protrudes into the intermediate cavity 107, far from the drive cavity 102 107 end wall of the intermediate cavity in rotate be provided with side lever 108, what the side lever 108 rotated protrudes into the inner cavity 111, 108 end face of the side lever far from the driving motor 101 is installed with driving gear 109, the institute far from the driving motor 101 It states 109 side of driving gear and has been engaged driven gear 110, be installed in the driven gear 110 and prolong bar 114, it is described to prolong Bar 114 is rotatably assorted with 111 end wall of inner cavity and connect, described to prolong running through the inner cavity 111 and protruding into described for the rotation of bar 114 Are rotatably assorted in 151 and connect with 151 end wall, it is described prolong 114 outer surface thread of bar be cooperatively connected be provided with it is symmetrical Sliding block 113, what is rotated in the sliding block 113 is provided with connecting rod 112, the connecting rod 112 1 in 140 centers of circle of beginning to speak under described Side is provided with sealing plate 115, and the connecting rod 112 is rotatably assorted with the sealing plate 115 and connect, the sealing plate 115 and the even chamber 150 Sliding connection, 100 upper surface bolt of the under casing mating connection are provided with spherical shell 129, the spherical shell 129 and the under casing The position of 100 contacts is provided with sealing ring 117, and 129 outer surface of spherical shell is installed with symmetrical knob 130, the ball It is installed with downward opening half chamber 128 in shell 129, what is rotated in half chamber, 128 aft bulkhead is provided with shaft 123, and described turn Axis 123 extends exterior space, and 123 outer surface of shaft is installed with transcapsidation 124, is installed with ante-chamber in the transcapsidation 124 214, the drive cavity 200 in the transcapsidation 124 is provided on rear side of the ante-chamber 214, the shaft 123 runs through the transmission Chamber 200 and ante-chamber 214 are simultaneously fixed with 214 front bulkhead of ante-chamber, and 123 outer surface of shaft is installed with and the ante-chamber 214 End wall is fixed and the fixed plate 211 of annular setting, and what is rotated in 214 end wall of ante-chamber is provided with the turning handle of several annular settings 125, drive bevel gear 208,208 rear side of drive bevel gear are installed with close to 124 end face of the transcapsidation of the shaft 123 It has been engaged ring-like bevel gear 121, pre-and post perforative transluminal 212, the ring-like cone are installed in the ring-like bevel gear 121 121 rear end face of gear is installed with internal gear 137, and the internal gear 137 is rotatably assorted with 214 end wall of ante-chamber and connect, described It is installed with pre-and post perforative through chamber 213 in internal gear 137,123 internal messing of shaft is provided with nibbling for several annular settings Gear 122 is closed, 122 rear end face of meshing gear is installed with even shaft 209, before what the even shaft 209 rotated runs through described Chamber 214 simultaneously protrudes into the drive cavity 200, and even 209 end face of shaft far from the ante-chamber 214 is installed with from nibbling bevel gear 210, it is described from the driving bevel gear 201 being engaged far from described in through chamber 213 on rear side of bevel gear 210 is nibbled, far from described 201 end face of the driving bevel gear of shaft 123 is installed with rotary column 202, and what the rotary column 202 rotated runs through the drive cavity 200 end walls and be directed away from the shaft 123 direction extend, 124 outer surface of transcapsidation be installed with it is several annular setting and Opening begins to speak 207, is provided with several openings far from the 207 124 outer surface annular of the transcapsidation of beginning to speak and turns far from described The clip cavity 203 of axis 123, the 207 end wall screw-internal thread fits of beginning to speak far from the turning handle 125, which are connected with, protrudes into the folder Threaded post 205 in chamber 203 is installed with the side port of opening in 205 end face of the threaded post far from the driving bevel gear 201 206, the rotary column 202 is rotatably assorted with the clip cavity 203 and connect.

Valuably, wherein 131 left side of closed plate is installed with gasket, and the bull stick 105 and side lever 108 pass through Universal joint is connected by power.

Valuably, wherein the screw thread for prolonging 114 outer surface of bar and being installed with two sections of opposite directions.

Valuably, wherein the described of left and right sides prolongs the hand of spiral of 114 outer surface of bar on the contrary, making the envelope of left and right sides Plate 115 is simultaneously towards or far from beginning to speak under described the movement of 140 centers of circle.

In the initial state, the driving motor 101 and main grinding tooth wheel 136 are in stop working state to present device, The sealing plate 135 is in the closed state of the transluminal 133, and the sealing plate 115 closes the even chamber 150.

When equipment operation, the high-temperature gas of fuel gas buring be passed through it is described under begin to speak after 140, driving is described to turn fan 127 It rotating, the transcapsidation 124 is rotated at this time, then the power of rotation is transmitted to the shaft 123 by the transcapsidation 124, The shaft 123 transfers power to exterior space after rotating, and when equipment stops working, needs the angle to the turning handle 125 When degree is converted, first tool is protruded into the side port 206, rotates the threaded post 205, keeps the threaded post 205 separate 202 direction of the rotary column movement, makes the rotary column 202 be in the state of proper motion, tool is protruded into the insertion chamber at this time In 204, rotate the driving bevel gear 201 after turning the rotary column 202, the driving bevel gear 201 drives institute after rotating It states from the rotation of bevel gear 210 is nibbled, makes the engaging tooth after nibbling fixed even shaft 209 rotation of bevel gear 210 with described 122 rotation of wheel, the internal gear 137 engaged with the meshing gear 122 rotate the ring-like bevel gear 121 after rotating, The ring-like bevel gear 121 rotates the drive bevel gear 208 after rotating, then the drive bevel gear 208 makes institute after rotating It states turning handle 125 and turns to specified angle, the angulation change of the turning handle 125 can be realized, turn the side using tool at this time Make the fixation that is loaded of the threaded post 205 and the rotary column 202 that fixed function can be realized after mouthfuls 206, is cleared up to equipment When, the bolt for disassembling the spherical shell 129 is sling the spherical shell 129 using the knob 130, at this time the driving motor The driven wheel of differential 104 is driven to rotate after 101 work, after rotating with the bull stick 105 that the driven wheel of differential 104 is connected by power The side lever 108 rotates under the action of universal joint, drives 110 turns of the driven gear after rotating the driving gear 109 It is dynamic, then prolong the rotation of bar 114 after the driven gear 110 rotates described in drive, the sliding block 113 is carried out towards or away from institute at this time The movement in 150 direction of the company's of stating chamber slides the sealing plate 115 in the even chamber 150, makes cleaning tube road by the even chamber 150 enter it is described under begin to speak in 140, or sewage is flowed out by the pipeline being loaded in the even chamber 150, is carried out in equipment If desired promptly reduced when work it is described under the gas pressure begun to speak in 140, then disassemble the closed plate 131, and make institute It states main grinding tooth wheel 136 to work, swings the sealing plate 135, the sealing plate 135 is made to progressively disengage the closing with the transluminal 133, Make it is described under the high pressure gas begun to speak in 140 excluded by the transluminal 133.

The beneficial effects of the present invention are: in the initial state due to present device, the driving motor and main grinding tooth wheel In stop working state, the sealing plate is in the closed state of the transluminal, and the sealing plate closes the even chamber, thus So that above structure is located at initial position in the initial state, can be adjusted in follow-up work, effectively improves the work of equipment Make harmony.

Claims

1. being used for the blade of Gas Turbine, the under casing including being fixedly arranged on ground is installed with opening in the under casing upper surface It begins to speak down upward, transluminal is provided with and communicated in right end wall of beginning to speak under described, is provided with and communicated with track in the transluminal upper end wall Chamber is provided with and communicated with chamber in the transluminal lower end wall, and the intracavitary rotation of company is provided with motor-driven main grinding tooth wheel, institute It states and has been engaged sealing plate above main grinding tooth wheel, the sealing plate and the track chamber are slidably connected, and are set on the right side of the transluminal It is equipped with the closed plate for being fixed by bolts in the under casing right side and blocking the transluminal, begins to speak to connect in lower end wall under described It is logical to be provided with symmetrical even chamber, it is provided with and communicated in the even chamber end wall far from the center of circle of beginning to speak under described, is opened under described The drive cavity in the under casing is provided with below chamber, the drive cavity left and right sides is provided in the under casing and left and right Symmetrical intermediate cavity, the inner cavity being provided in the under casing between intermediate cavity are solid in the drive cavity upper end wall Equipped with driving motor, the output shaft lower end surface of the driving motor is installed with drive bevel gear, the drive bevel gear left and right sides It is engaged symmetrical driven wheel of differential, the driven wheel of differential end face far from the drive bevel gear, which is installed with, to be turned Bar, the bar rotation run through the drive cavity and protrude into the intermediate cavity, the intermediate cavity far from the drive cavity What is rotated in end wall is provided with side lever, and described interior intracavitary, the side far from the driving motor is protruded into the side lever rotation Rod end surface is installed with driving gear, and the driving gear side far from the driving motor has been engaged driven gear, institute State to be installed in driven gear and prolong bar, it is described prolong bar and be rotatably assorted with the inner cavity end wall connect, it is described to prolong running through for bar rotation The inner cavity is simultaneously protruded into described and is rotatably assorted and connect with the end wall, it is described prolong rod outer surface and be threadedly engaged be connected with a left side Right symmetrical sliding block, what is rotated in the sliding block is provided with connecting rod, the connecting rod side setting in the center of circle of beginning to speak under described There is sealing plate, the connecting rod is rotatably assorted with the sealing plate and connect, the sealing plate and the even chamber sliding connection, the under casing Bolt mating connection in upper surface is provided with spherical shell, and the position that the spherical shell is contacted with the under casing is provided with sealing ring, the ball Shell outer surface is installed with symmetrical knob, is installed with downward opening half chamber in the spherical shell, in the half cavity rear end wall Rotation is provided with shaft, and the shaft extends exterior space, and the shaft outer surface is installed with transcapsidation, consolidates in the transcapsidation Equipped with ante-chamber, the drive cavity in the transcapsidation is provided on rear side of the ante-chamber, the shaft is through the drive cavity with before Chamber is simultaneously fixed with the ante-chamber front bulkhead, the shaft outer surface be installed with fixed with the ante-chamber end wall and annular setting consolidate Fixed board, the interior turning handles for being provided with several annular settings rotated of the ante-chamber end wall, close to the transcapsidation end face of the shaft It is installed with drive bevel gear, has been engaged ring-like bevel gear on rear side of the drive bevel gear, it is fixed in the ring-like bevel gear There is pre-and post perforative transluminal, the ring-like bevel gear rear end face is installed with internal gear, and the internal gear and the ante-chamber end wall turn It is dynamic to be cooperatively connected, it is installed with pre-and post perforative through chamber in the internal gear, the shaft internal messing is provided with several annulars and sets The meshing gear set, the meshing gear rear end face are installed with even shaft, and the even shaft rotation runs through the ante-chamber and stretches Enter in the drive cavity, the even shaft end face far from the ante-chamber is installed with from nibbling bevel gear, described after nibbling bevel gear Side is engaged far from the driving bevel gear for running through chamber, and the driving bevel gear end face far from the shaft is installed with The direction of rotary column, the rotary column rotation run through the drive cavity end wall and be directed away from the shaft extends, outside the transcapsidation Surface is installed with beginning to speak for several annular settings and opening, is provided with far from the transcapsidation outer surface annular begun to speak several Be open the clip cavity far from the shaft, the end wall screw-internal thread fit of beginning to speak far from the turning handle be connected with protrude into it is described Threaded post in clip cavity is installed with the side port of opening, the rotary column in the threaded post end face far from the driving bevel gear It is rotatably assorted and connect with the clip cavity.

2. being used for the blade of Gas Turbine as described in claim 1, it is characterised in that: the closed plate left side is fixed There is gasket, the bull stick and side lever are connected by power by universal joint.

3. being used for the blade of Gas Turbine as described in claim 1, it is characterised in that: the rod outer surface that prolongs is installed with The screw thread of two sections of opposite directions.

4. being used for the blade of Gas Turbine as described in claim 1, it is characterised in that: the described of left and right sides prolongs bar appearance The hand of spiral in face on the contrary, make the sealing plate of left and right sides simultaneously towards or far from it is described under begin to speak center of circle movement.