CN105710453A - Special tool for grinding first-stage sun gear sleeve - Google Patents
Special tool for grinding first-stage sun gear sleeve Download PDFInfo
- Publication number
- CN105710453A CN105710453A CN201610153170.2A CN201610153170A CN105710453A CN 105710453 A CN105710453 A CN 105710453A CN 201610153170 A CN201610153170 A CN 201610153170A CN 105710453 A CN105710453 A CN 105710453A
- Authority
- CN
- China
- Prior art keywords
- flange
- grinding
- level solar
- solar wheeling
- lapping gears
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/02—Lapping gear teeth
- B23F19/025—Lapping bevel gears by making use of a correspondingly shaped counterpart
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a special tool for grinding a first-stage sun gear sleeve, and relates to a special tool for grinding a gear sleeve. In a process of engaging a first-stage sun gear sleeve in a speed reducer of a steam turbine with a sun gear, low conjoint ratio is liable to cause, and unstable transmission is caused. A tensioning flange is positioned in a built-in central hole of the first-stage sun gear sleeve, a positioning flange is positioned in a positioning hole of the first-stage sun gear sleeve, a supporting flange is arranged on an end surface, which is away from a grinding gear, in the first-stage sun gear sleeve, an outer gear surface of the grinding gear is matched with an inner gear surface of the first-stage sun gear sleeve, one end of a pull rod is arranged on a positioning block in a penetrating manner, the other end of the pull rod sequentially penetrates through the grinding gear, the tensioning flange, the positioning flange and the supporting flange, the grinding gear fixedly sleeves the pull rod, and the pull rod is separately in sliding fit with an axial positioning central hole of the tensioning flange, a radial positioning central hole of the positioning flange and a limiting central hole of the supporting flange. The special tool is used for grinding the first-stage sun gear sleeve.
Description
Technical field
The present invention relates to the specific purpose tool of a kind of tooth lapping set, belong to Machining Technology field.
Background technology
Reductor plays coupling rotating speed and the effect of transmission torque between prime mover and working machine or actuator, and reductor is a kind of relatively accurate machinery, and the purpose using it is to reduce rotating speed, increases torque.Single-stage and multistage speed reducer can be divided into according to transmission progression difference；Take turns shape according to tooth factory and can be divided into cylindrical gear reducer, conical gear reducer and circular cone-Cylinder Gear running wheel reductor.
In decelerator used by steam turbine, one-level solar wheeling tooth set is with sun gear for engaging cooperation, and the two is in specific works process, and mesh degree and fitting area are all short of, and the phenomenon that laminating rate is not high easily occurs, causes the problem that transmission is unstable.
Summary of the invention
Owing to, in the process that one-level solar wheeling tooth set in existing steam turbine decelerator is meshed with sun gear, the phenomenon that laminating rate is not high easily occurring, cause the problem that transmission is unstable, and then propose the specific purpose tool for grinding one-level solar wheeling tooth set.
The present invention solves that above-mentioned technical problem adopts the technical scheme that:
A kind of specific purpose tool for grinding one-level solar wheeling tooth set, specific purpose tool includes pull bar, bracing frame, lapping gears, tension flange, locating flange and pivot flange, support frame as described above includes base and two locating pieces, described base is horizontally disposed with, two locating pieces are disposed in parallel on base and each locating piece is fixing with base is connected, described lapping gears, tension flange, locating flange, one-level solar wheeling tooth set and pivot flange are sequentially coaxially arranged between two locating pieces, described tension flange is arranged in the built-in centre bore of one-level solar wheeling tooth set, described locating flange is arranged in the hole, location of one-level solar wheeling tooth set, described pivot flange be arranged on one-level solar wheeling tooth set in away from the end face of lapping gears and pivot flange be adjacent to mutually with this end face, described lapping gears is external gear, the inner toothed surface that the outer flank of tooth of described lapping gears overlaps with one-level solar wheeling tooth is equipped with, one end of described pull bar is located on a described locating piece, the other end of described pull bar sequentially passes through lapping gears, tension flange, on locating flange and pivot flange, described lapping gears is fixedly set on pull bar, described pull bar respectively with tension flange axial positioning center hole, the radial direction positioning center hole of locating flange and the spacing centre bore of pivot flange are slidably matched.
The method have the advantages that
1, present configuration design science is reasonable, cheap for manufacturing cost, convenient to use.One-level solar wheeling tooth set is carried out shuttle grinding by the outer flank of tooth of lapping gears under the effect of pull bar, by straining flange, coordinating, between locating flange and pivot flange, the multidirectional location effectively realized one-level solar wheeling tooth set, guarantee the accuracy of the stable of grinding effect and abrasion site, effectively improved by the mesh degree of the flank of tooth between one-level solar wheeling tooth set and sun gear that the present invention grinds, fitting area is able to effective increase, thus increasing laminating rate, make transmission more stable.
2, the present invention effectively reduces the workload of grinding, flexible operation, makes the grinding work that one-level solar wheeling tooth overlaps do not limited by space, place, and floor space is 1.5m～2m, it is easy to universal.
Accompanying drawing explanation
Fig. 1 is the first main TV structure profile of the present invention, and in figure, lapping gears 3 is state to be ground, and lapping gears 3 is arranged with tension flange 4 gap；
Fig. 2 is the second main TV structure profile of the present invention, and in figure, lapping gears 3 is grinding state, and lapping gears 3 is adjacent to tension flange 4 phase；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the main TV structure schematic diagram of lapping gears 3；
Fig. 5 is the profile at A-A place in Fig. 4；
Fig. 6 is the main TV structure schematic diagram of one-level solar wheeling tooth set 7；
Fig. 7 is the profile at B-B place in Fig. 6.
Detailed description of the invention
Detailed description of the invention one: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 illustrates that present embodiment, present embodiment include pull bar 1, bracing frame 2, lapping gears 3, tension flange 4, locating flange 5 and pivot flange 6, support frame as described above 2 includes base 2-2 and two locating piece 2-1, and described base 2-2 is horizontally disposed with, and two locating piece 2-1 are disposed in parallel on base 2-2 and each locating piece 2-1 and base 2-2 is fixing is connected, described lapping gears 3, tension flange 4, locating flange 5, one-level solar wheeling tooth set 7 and pivot flange 6 are sequentially coaxially arranged between two locating piece 2-1, described tension flange 4 is arranged in the built-in centre bore 7-1 of one-level solar wheeling tooth set 7, described locating flange 5 is arranged in hole, the location 7-2 of one-level solar wheeling tooth set 7, described pivot flange 6 be arranged on one-level solar wheeling tooth set 7 in away from the end face of lapping gears 3 and pivot flange 6 be adjacent to mutually with this end face, described lapping gears 3 is external gear, the inner toothed surface that the outer flank of tooth of described lapping gears 3 overlaps 7 with one-level solar wheeling tooth is equipped with, one end of described pull bar 1 is located on a described locating piece 2-1, and the other end of described pull bar 1 sequentially passes through lapping gears 3, tension flange 4, on locating flange 5 and pivot flange 6, described lapping gears 3 is fixedly set on pull bar 1, described pull bar 1 respectively with tension flange 4 axial positioning center hole, the radial direction positioning center hole of locating flange 5 and the spacing centre bore of pivot flange 6 are slidably matched.
The present invention be respectively used to one-level solar wheeling tooth set 7 before nitriding with nitriding after grinding, therefore in the two process, each process is required for a locating flange 5, and all leave allowance, the measured value overlapping 7 holes, location according to the one-level solar wheeling tooth before and after nitriding contrasts, so that it is determined that remove the concrete numerical value of allowance.Present invention can apply to the field of milling of the gear teeth of the spline of steam turbine and machine driving industry and gear.
The present invention is additionally provided with annular voussoir 10 and jackscrew 11, annular voussoir 10 and jackscrew 11 are installed on pull bar 1, to be placed on together with the pull bar 1 of jackscrew 11 on bracing frame 2 with annular voussoir 10, the setting of annular voussoir 10 and jackscrew 11 is the relative position for regulating between lapping gears 3 and one-level solar wheeling tooth set 7 and fixes again.Strengthen the motility of the present invention.
In the present invention, one-level solar wheeling tooth set 7 is existing component, and it is the object of attrition process of the present invention.One-level solar wheeling tooth set 7 is a kind of internal tooth body, inside it, processing has internal tooth trepanning, built-in centre bore 7-1 and location hole 7-2 successively, internal tooth trepanning, built-in centre bore 7-1 and location hole 7-2 are sequentially communicated and the hole inwall of internal tooth trepanning is multiple internal spline, and each external tooth of lapping gears 3 is arranged with each internal spline one_to_one corresponding in its internal tooth trepanning.
In the present invention, one-level solar wheeling tooth set 7 is tightened up flange 4 and retrains axially-movable, and meanwhile, one-level solar wheeling tooth set 7 is positioned flange 5 and retrains circumference radial motion.
Detailed description of the invention two: present embodiment is described in conjunction with Fig. 4, the wheel face of lapping gears 3 described in present embodiment has uniformly processed multiple lightening hole 8 along its axial direction.
In present embodiment, multiple lightening holes 8 is disposed to effectively reduce the weight of lapping gears 3 self, be conducive to the portability of its motion, the aperture of lightening hole 8 to be lapping gears 3 external diameter 1/1st to six/10th.Other NM structure is identical with detailed description of the invention one with annexation.
Detailed description of the invention three: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, in lapping gears 3 described in present embodiment, the profile of tooth of external tooth is straight-tooth, the internal tooth number of teeth that the external tooth number of teeth of described lapping gears 3 overlaps 7 with one-level solar wheeling tooth is consistent, and the internal tooth shape that the external tooth shape of described lapping gears 3 overlaps 7 with one-level solar wheeling tooth is consistent.
In present embodiment, the number of teeth parameter of lapping gears 3 is consistent with the number of teeth parameter that one-level solar wheeling tooth overlaps 7.The addendum coefficient of lapping gears 3 is 1, and modulus M is 5, and tooth top coefficient is 0.25, and pressure angle is 20 °, and normal direction modification coefficient is 0.Other NM structure is identical with detailed description of the invention one or two with annexation.
Detailed description of the invention four: present embodiment is described in conjunction with Fig. 1 and Fig. 2, locating flange 5 described in present embodiment overlaps hole, the location 7-2 interference fits of 7 with one-level solar wheeling tooth.The two relation so arranged is present to ensure that one-level solar wheeling tooth can be overlapped 7 and position by locating flange 5 better.Other NM structure is identical with detailed description of the invention three with annexation.
Detailed description of the invention five: present embodiment is described in conjunction with Fig. 1 and Fig. 2, pull bar 1 described in present embodiment includes grip sleeve 1-1, bar body 1-2 and banking stop 1-3, described grip sleeve 1-1 is fixedly set in bar body 1-2 near one end of lapping gears 3, on described banking stop 1-3, processing has through hole, and described banking stop 1-3 is fixedly set in bar body 1-2 near one end of pivot flange 6 by through hole.
In present embodiment, grip sleeve 1-1 is force side, for applying power to bar body 1-2, so that it is guaranteed that bar body 1-2 drives lapping gears 3 to realize push-and-pull campaign, bar body 1-2 is carried out effectively spacing by being disposed to of banking stop 1-3, when bar body 1-2 makes propelling action, lapping gears 3 moves under the drive of bar body 1-2 and strains flange 4 phase and be adjacent to, ground the inner toothed surface of one-level solar wheeling tooth set 7 by the outer flank of tooth of lapping gears 3, now there is between banking stop 1-3 and pivot flange 6 certain distance；When bar body 1-2 makes pull-out action, lapping gears 3 move under the drive of bar body 1-2 make away from tension flange 4 action, the inner toothed surface of one-level solar wheeling tooth set 7 is ground again by its outer flank of tooth, when banking stop 1-3 is adjacent to pivot flange 6 phase, bar body 1-2 stop motion, a second periodicity abrasive action terminates.Other NM structure is identical with detailed description of the invention one or four with annexation.
Detailed description of the invention six: present embodiment is the further restriction of detailed description of the invention five, the gear that lapping gears 3 described in present embodiment is made for CrWMn material.The lapping gears 3 so arranged in present embodiment ensure that grinding effect and can extend the service life of himself, and durable in process of lapping, and wear extent is low, is conducive to lasting use.Other NM structure is identical with detailed description of the invention five with annexation.
Detailed description of the invention seven: present embodiment is described in conjunction with Fig. 1 and Fig. 2, in present embodiment, specific purpose tool also includes multiple screw 9, is removably connected by multiple screws 9 between described locating flange 5 and pivot flange 6.The connection effect stability of multiple screws 9 and directly, it is simple to draw materials, advantageously reduce manufacturing cost.Other NM structure is identical with detailed description of the invention one or six with annexation.
Work process:
First bracing frame 2 is placed on work platforms, then locating flange 5 and pivot flange 6 are connected complete by multiple screws 9, again lapping gears 3 and pivot flange 6 are sleeved on pull bar 1 successively, one-level solar wheeling tooth set 7 to be ground is fixed with tension flange 4, locating flange 5 and pivot flange 6, next annular voussoir 10 and jackscrew 11 are simultaneously attached on pull bar 1, finally they are placed on together on bracing frame 2, utilize annular voussoir 10 and jackscrew 11 regulate the relative position of lapping gears 3 and one-level solar wheeling tooth set 7 and fix.By pulling pull bar 1 to drive the axial direction that lapping gears 3 overlaps 7 along one-level solar wheeling tooth to move, thus being ground one-level solar wheeling tooth set 7 so that it is reach to grind the purpose of the flank of tooth.
Claims (7)
1. the specific purpose tool being used for grinding one-level solar wheeling tooth set, it is characterized in that: specific purpose tool includes pull bar (1), bracing frame (2), lapping gears (3), tension flange (4), locating flange (5) and pivot flange (6), support frame as described above (2) includes base (2-2) and two locating pieces (2-1), described base (2-2) is horizontally disposed with, two locating pieces (2-1) are disposed in parallel on base (2-2) and each locating piece (2-1) is fixed with base (2-2) and is connected, described lapping gears (3), tension flange (4), locating flange (5), one-level solar wheeling tooth set (7) and pivot flange (6) are sequentially coaxially arranged between two locating pieces (2-1), described tension flange (4) is arranged in the built-in centre bore (7-1) of one-level solar wheeling tooth set (7), described locating flange (5) is arranged in the hole, location (7-2) of one-level solar wheeling tooth set (7), described pivot flange (6) be arranged in one-level solar wheeling tooth set (7) away from the end face of lapping gears (3) and pivot flange (6) be adjacent to mutually with this end face, described lapping gears (3) is external gear, the inner toothed surface of the outer flank of tooth of described lapping gears (3) and one-level solar wheeling tooth set (7) is equipped with, one end of described pull bar (1) is located on a described locating piece (2-1), the other end of described pull bar (1) sequentially passes through lapping gears (3), tension flange (4), on locating flange (5) and pivot flange (6), described lapping gears (3) is fixedly set on pull bar (1), described pull bar (1) respectively with tension flange (4) axial positioning center hole, the radial direction positioning center hole of locating flange (5) and the spacing centre bore of pivot flange (6) are slidably matched.
2. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 1, it is characterised in that: the wheel face of described lapping gears (3) has uniformly processed multiple lightening hole (8) along its axial direction.
3. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 1 and 2, it is characterized in that: in described lapping gears (3), the profile of tooth of external tooth is straight-tooth, the external tooth number of teeth of described lapping gears (3) is consistent with the internal tooth number of teeth of one-level solar wheeling tooth set (7), and the external tooth shape of described lapping gears (3) is consistent with the internal tooth shape of one-level solar wheeling tooth set (7).
4. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 3, it is characterised in that: hole, location (7-2) interference fits of described locating flange (5) and one-level solar wheeling tooth set (7).
5. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 1 or 4, it is characterized in that: described pull bar (1) includes grip sleeve (1-1), bar body (1-2) and banking stop (1-3), described grip sleeve (1-1) is fixedly set in bar body (1-2) one end near lapping gears (3), the upper processing of described banking stop (1-3) has through hole, and described banking stop (1-3) is fixedly set in bar body (1-2) one end near pivot flange (6) by through hole.
6. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 5, it is characterised in that: the gear that described lapping gears (3) is made for CrWMn material.
7. the specific purpose tool for grinding one-level solar wheeling tooth set according to claim 1 or 6, it is characterized in that: described specific purpose tool also includes multiple screw (9), removably connected by multiple screws (9) between described locating flange (5) and pivot flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153170.2A CN105710453B (en) | 2016-03-17 | 2016-03-17 | Specific purpose tool for grinding one-level solar wheeling tooth set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153170.2A CN105710453B (en) | 2016-03-17 | 2016-03-17 | Specific purpose tool for grinding one-level solar wheeling tooth set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105710453A true CN105710453A (en) | 2016-06-29 |
| CN105710453B CN105710453B (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610153170.2A Active CN105710453B (en) | 2016-03-17 | 2016-03-17 | Specific purpose tool for grinding one-level solar wheeling tooth set |
Country Status (1)
| Country | Link |
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| CN (1) | CN105710453B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138812A (en) * | 2017-05-15 | 2017-09-08 | 东莞市鑫拓智能机械科技有限公司 | A kind of harmonic reducer flexible wheel, firm gear conversion engagement pairing beveller |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317306A1 (en) * | 1993-05-26 | 1993-10-28 | Kapp Werkzeugmasch | Honing process and machine for finishing gear teeth - has abrasive gear hone in mesh with workpiece gear and electronically coupled spindles so that pitch errors in gear can be measured and corrected by modifying relative speeds |
| JP2003094247A (en) * | 2001-09-21 | 2003-04-03 | Denso Corp | Method for machining gear flank |
| CN201618894U (en) * | 2010-02-08 | 2010-11-03 | 马鞍山方圆回转支承股份有限公司 | Jig for gear shaping of rotary bearing internal gears |
| CN201824029U (en) * | 2010-07-29 | 2011-05-11 | 四川省内江庆隆机床有限公司 | Inner tooth inserting tooling |
| CN102198583A (en) * | 2010-03-25 | 2011-09-28 | 上海航发机械有限公司 | Inner gear machining method and special gear shaping clamp |
| CN102271851A (en) * | 2009-01-09 | 2011-12-07 | 三菱重工业株式会社 | Internal gear processing method |
| CN102528175A (en) * | 2011-12-12 | 2012-07-04 | 国营长空精密机械制造公司 | Device and method for accurately machining internal-gear parts |
| CN203356770U (en) * | 2013-06-25 | 2013-12-25 | 綦江长风齿轮（集团）有限公司 | Gear shaping fixture used for internal ring gear |
| DE102013011941A1 (en) * | 2013-07-17 | 2015-01-22 | The Gleason Works | Method and device for fine machining a toothed workpiece and program for its control |
| CN204413852U (en) * | 2015-02-02 | 2015-06-24 | 东北特钢集团山东鹰轮机械有限公司 | A kind of grinding out fixture of gear ring |
-
2016
- 2016-03-17 CN CN201610153170.2A patent/CN105710453B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317306A1 (en) * | 1993-05-26 | 1993-10-28 | Kapp Werkzeugmasch | Honing process and machine for finishing gear teeth - has abrasive gear hone in mesh with workpiece gear and electronically coupled spindles so that pitch errors in gear can be measured and corrected by modifying relative speeds |
| JP2003094247A (en) * | 2001-09-21 | 2003-04-03 | Denso Corp | Method for machining gear flank |
| CN102271851A (en) * | 2009-01-09 | 2011-12-07 | 三菱重工业株式会社 | Internal gear processing method |
| CN201618894U (en) * | 2010-02-08 | 2010-11-03 | 马鞍山方圆回转支承股份有限公司 | Jig for gear shaping of rotary bearing internal gears |
| CN102198583A (en) * | 2010-03-25 | 2011-09-28 | 上海航发机械有限公司 | Inner gear machining method and special gear shaping clamp |
| CN201824029U (en) * | 2010-07-29 | 2011-05-11 | 四川省内江庆隆机床有限公司 | Inner tooth inserting tooling |
| CN102528175A (en) * | 2011-12-12 | 2012-07-04 | 国营长空精密机械制造公司 | Device and method for accurately machining internal-gear parts |
| CN203356770U (en) * | 2013-06-25 | 2013-12-25 | 綦江长风齿轮（集团）有限公司 | Gear shaping fixture used for internal ring gear |
| DE102013011941A1 (en) * | 2013-07-17 | 2015-01-22 | The Gleason Works | Method and device for fine machining a toothed workpiece and program for its control |
| CN204413852U (en) * | 2015-02-02 | 2015-06-24 | 东北特钢集团山东鹰轮机械有限公司 | A kind of grinding out fixture of gear ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138812A (en) * | 2017-05-15 | 2017-09-08 | 东莞市鑫拓智能机械科技有限公司 | A kind of harmonic reducer flexible wheel, firm gear conversion engagement pairing beveller |
| CN107138812B (en) * | 2017-05-15 | 2018-12-14 | 东莞市鑫拓智能机械科技有限公司 | A kind of harmonic reducer flexible wheel, firm gear conversion engagement pairing beveller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105710453B (en) | 2017-10-24 |
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Effective date of registration: 20230306 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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