CN101126669A - Compressor- turbine rotor subassembly dynamic balancing jig - Google Patents
Compressor- turbine rotor subassembly dynamic balancing jig Download PDFInfo
- Publication number
- CN101126669A CN101126669A CNA2007101572370A CN200710157237A CN101126669A CN 101126669 A CN101126669 A CN 101126669A CN A2007101572370 A CNA2007101572370 A CN A2007101572370A CN 200710157237 A CN200710157237 A CN 200710157237A CN 101126669 A CN101126669 A CN 101126669A
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- rotor assembly
- compressor
- transient equilibrium
- fixture
- positioning disk
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Abstract
The utility model relates to a dynamic balance fixture with decomposed type structure for air compressor-turbo rotor assembly, belonging to a fixture technique, aiming at the problem that the prior fixture generates the runout in the experiment, which comprises a dynamic balance front support point fixture for rotor assembly sleeved on the front shaft neck of the air compressor, a dynamic balance rear support point fixture for rotor assembly sleeved on the turbo rear shaft neck, and a dynamic radial eccentric mechanism for correcting rotor assembly, wherein the dynamic balance front support point fixture for rotor assembly is composed of a driving disc, a connection shaft and a location shaft which are connected in order. The dynamic balance rear support fixture for rotor assembly is a tubular rear shaft sleeve. An annular inner flange is arranged at the middle of inner wall. The dynamic balance radial eccentric mechanism for correcting rotor assembly comprises a balance core shaft, a location disc is arranged on the core shaft, an actuating block and an inclined block are arranged on the location disc for eccentric adjustment. The total mass of the fixture is 1/2 of the to-be-tested object. The utility model has the advantages of no runout during trial engineering and convenient loading and low cost.
Description
Technical field
The present invention relates to a kind of dynamic balance running anchor clamps, particularly the anchor clamps of using about compressor-turbine rotor subassembly check dynamic balance running.
Background technology
It is one critical process in producing that compressor-turbine rotor subassembly is checked its transient equilibrium, prior art is to use a kind of long body dummy shaft anchor clamps, be sleeved on pneumatic plant front axle cervical branch point place, be sleeved on turbine rotor rear axle cervical branch point place, coexist and turn round on the high-speed balancing machine, the check compressor-turbine rotor subassembly dynamic balancing, find in the test, long body dummy shaft anchor clamps endoporus concentricity is difficult to guarantee, test is produced beats, gained test figure authenticity, reliability, stability, manufacturability is under suspicion, and has a strong impact on the compressor-turbine rotor subassembly confidence level and drops into use in the practice.
Summary of the invention
At the deficiencies in the prior art part, the objective of the invention is to provide a kind of processing and fabricating convenient, dynamic balance running is not beated, be particularly useful for using on the low speed balancing machine, with easy to connect by test specimen, with dynamic balancer loading and unloading easily, self quality of balance height, the compressor-turbine rotor subassembly dynamic balancing jig of highly versatile.
The technical solution adopted for the present invention to solve the technical problems is: adopt the breakdown structure to comprise: be sleeved on the rotor assembly transient equilibrium front fulcrum anchor clamps on the axle journal before the pneumatic plant, be sleeved on behind the turbine rotor assembly transient equilibrium rear fulcrum anchor clamps on the axle journal and correct rotor assembly transient equilibrium radial disbalance mechanism.Wherein be sleeved on before the pneumatic plant rotor assembly transient equilibrium front fulcrum anchor clamps on the axle journal by driving-disc, coupling shaft, locating shaft, mechanical connection is formed successively.Driving-disc is provided with the fabrication hole that links to each other with the low-speed balancing testing machine, coupling shaft one end is a flange ring, and flange ring is provided with screw hole, and the screw hole inner bolt is connected with axle journal axial location before the pneumatic plant, locating shaft is one tubular, and its inwall middle part is provided with spline and pneumatic plant front axle spline engagement; Be sleeved on that the rotor assembly transient equilibrium rear fulcrum anchor clamps on the axle journal are a tubular technology rear axle housing behind the turbine, its inwall middle part is provided with annular inner flange, on the annular inner flange, on Flange Plane, be provided with the petal groove successively from the center of circle along radial direction, the aperture that links to each other with turbine comb tooth socket, it is an annular flange formula plane that the macropore that links to each other with axle journal behind the turbine, these anchor clamps have an end, equidistantly is provided with mounting hole on this plane; Correct rotor assembly transient equilibrium radial disbalance mechanism, comprise a balance mandrel, this mandrel outside surface is provided with position limiting convex ring and screw thread, the lock nut that positioning disk and stationary positioned dish are used is installed between bulge loop and screw section, positioning disk has a protruding circular ring in a side, the protruding circular ring ring surface joins with the compressor stage dish of being rectified a deviation, arc squares such as protruding circular ring side plane alternately are provided with the dovetail gathering sill and pressure is colluded fixed orifice, wherein be provided with jacking block and skewback in the dovetail gathering sill from top to bottom successively, two adjacents are the inclined-plane, this face and horizontal line are formed sliding angle on the jacking block, last sliding angle 〉=10 °, corresponding jacking block is in positioning disk and is provided with cover plate, the other lock-bit pin hole that is provided with of pressure hook fixed orifice, corresponding skewback place is provided with unthreaded hole on positioning disk, corresponding jacking block place is provided with the location trapezoidal hole on positioning disk, stud bolt one end is connected by screw with skewback in the unthreaded hole, another exposes location card end and links to each other with nut, nut lock is tried hard to recommend moving skewback and is moved along perpendicular positioning dish operative orientation, produce upwards component, promote to move on the jacking block, be provided with pin in the location trapezoidal hole that jacking block and positioning disk communicate and be used for limiting the jacking block amount of movement, be provided with pressure hook in the pressure hook fixed orifice on the positioning disk, the side of pressure hook gib head is provided with spacer pin on positioning disk, and adjacent with the pressure hook gib head.
Pneumatic plant one turbine rotor subassembly dynamic balancing jig using method is: at first get and correct rotor assembly transient equilibrium radial disbalance mechanism, be installed in pneumatic plant 1-3 level dish or 4-17 level dish or 5-10 level dish or 11～17 grades of disk spaces, positioning disk workplace and level dish shell face are joined, and it is both are tightly fixing with pressure hook, regulate the nut on the stud bolt, make skewback promote jacking block and move, change the offset of level dish shell, after reaching technical requirement, stop nut and rotate.After level dish transient equilibrium adjustment is qualified, removes and correct rotor assembly transient equilibrium radial disbalance mechanism, again pneumatic plant-turbine rotor the assembly after the assembling is made overall dynamic-balance.
Get locating shaft and be inserted in pneumatic plant front axle cervical branch point place, spline engagement before locating shaft spline and the pneumatic plant on the axle journal is connected, getting coupling shaft inserts in the locating shaft, with screw it is fastened on before the pneumatic plant on the axle journal end face, coupling shaft and locating shaft mechanical connection, get driving-disc and insert on the coupling shaft, be fixed on the coupling shaft, be connected with the low speed balancing experimental machine when waiting to test with bolt.
Get rotor assembly transient equilibrium rear fulcrum anchor clamps, be inserted in behind the turbine on the axle journal, screw passes macropore and rotor assembly transient equilibrium rear fulcrum anchor clamps is linked to each other fastening with axle journal behind the turbine, and screw passes aperture and links to each other fastening with rotor assembly transient equilibrium rear fulcrum anchor clamps the turbine tooth socket of combing.Rotor assembly transient equilibrium rear fulcrum clamping fixture seat is on low-speed balancing testing machine bearing during test.
Correcting rotor assembly transient equilibrium radial disbalance mechanism total quality is 1/2nd of tested compressor-turbine rotor subassembly total quality, and positive minus tolerance is being 1-1.5%.
Good effect of the present invention is: dynamic balance running is not beated, anchor clamps self quality of balance height, processing and fabricating is convenient, test back clamping convenient disassembly, be applicable to the test of super large shape compressor-turbine rotor subassembly dynamic balancing, the gained data have true and reliable property, for development ultra-large type compressor-turbine rotor subassembly product, provide tentative assurance.
Description of drawings
Fig. 1 is rotor assembly front fulcrum clamp structure and scheme of installation;
Fig. 2 is locating shaft and the preceding axle journal spline tooth connection diagram of pneumatic plant among Fig. 1;
Fig. 3 is a coupling shaft structural representation among Fig. 1;
Fig. 4 is rotor assembly rear fulcrum clamp structure and scheme of installation;
Fig. 5 is Fig. 4 left side TV structure synoptic diagram;
Fig. 6 corrects rotor assembly transient equilibrium radial disbalance mechanism and scheme of installation;
Fig. 7 is Fig. 6 left side TV structure synoptic diagram;
Fig. 8 is a positioning disk structure section synoptic diagram among Fig. 6 to 7;
Fig. 9 is Fig. 8 left side TV structure synoptic diagram;
Figure 10 is a jacking block cut-open view among Fig. 6;
Figure 11 is Figure 10 right view;
Among the figure: 1 driving-disc, 2 bolts, 3 coupling shafts, 4 screws, axle journal before 5 locating shafts, 6 pneumatic plants, axle journal behind 7 turbines, 8 technology rear axle housings, 9 screws, 10 bolts, 11 mounting holes, 12 turbine comb tooth sockets, 13 petal grooves, 14 balance mandrels, 15 skewbacks, 16 pins, 17 jacking blocks, 18 compressor stage dishes, 19 threadeds, 20 positioning disks, 21 stud bolts, 22 nuts, 23 lock nut, 24 spacer pins, 25 pressure hooks, 26 cover plates, 27 pin-and-holes, 28 unthreaded holes, 29 limit pin holes, 30 pressure hook mounting holes, 31 cover plate mounting holes, 32 threaded holes.
Embodiment
By Fig. 1-9 as can be known, the clamp structure that its technical scheme of the present invention adopts is: the breakdown structure, it comprises and is sleeved on the rotor assembly transient equilibrium front fulcrum anchor clamps on the axle journal 6 before the pneumatic plant, is sleeved on behind the turbine rotor assembly transient equilibrium rear fulcrum anchor clamps on the axle journal 7 and corrects rotor assembly transient equilibrium radial disbalance mechanism.Wherein be sleeved on before the pneumatic plant rotor assembly transient equilibrium front fulcrum anchor clamps on the axle journal 6 by driving-disc 1, coupling shaft 3, locating shaft 5, mechanical connection is formed successively.Driving-disc 1 is provided with the fabrication hole that links to each other with the low-speed balancing testing machine, coupling shaft one end is a flange ring, flange ring is provided with screw hole, screw hole inner bolt 4 is connected with axle journal 6 axial location before the pneumatic plant, locating shaft 5 is one tubular, and its inwall middle part is provided with spline and pneumatic plant front axle spline engagement; Be sleeved on that the rotor assembly transient equilibrium rear fulcrum anchor clamps on the axle journal 7 are a tubular technology rear axle housing 8 behind the turbine, its inwall middle part is provided with annular inner flange, on the annular inner flange, on Flange Plane, be provided with petal groove 13 successively from the center of circle along radial direction, the aperture that links to each other with turbine comb tooth socket 12, with the macropore that axle journal behind the turbine 7 links to each other, it is an annular flange formula plane that these anchor clamps have an end, equidistantly is provided with the mounting hole 11 that links to each other with the low-speed balancing testing machine on this plane; Correct rotor assembly transient equilibrium radial disbalance mechanism, comprise a balance mandrel 14, this mandrel outside surface is provided with position limiting convex ring and screw thread, the lock nut 23 that positioning disk 20 and stationary positioned dish are used is installed between bulge loop and screw section, positioning disk 20 has a protruding circular ring to a side, the protruding circular ring ring surface joins with the compressor stage dish 18 of being rectified a deviation, arc squares such as protruding circular ring side plane alternately are provided with the dovetail gathering sill and pressure is colluded mounting hole 30, wherein be provided with jacking block 17 and skewback 15 in the dovetail gathering sill from top to bottom successively, two adjacents are the inclined-plane, this face and horizontal line are formed sliding angle on the jacking block, last sliding angle 〉=10 °, corresponding jacking block 17 is in positioning disk 20 and is provided with cover plate 26, the pressure hook mounting hole 30 other limit pin holes 29 that are provided with, corresponding skewback 15 places are provided with unthreaded hole 28 on positioning disk 20, corresponding jacking block 17 places are provided with pin-and-hole 27 on positioning disk 20, stud bolt 21 1 ends are connected by pin 16 with skewback 15 in the unthreaded hole 28, another exposes location card end and links to each other with nut 22, nut 22 coupling mechanism forces promote skewback 15 and move along perpendicular positioning dish 20 operative orientations, produce upwards component, promote to move on the jacking block 17, be provided with threaded 19 in the pin-and-hole 27 that jacking block 17 and positioning disk 20 communicate and be used for limiting jacking block 17 amount of movements, be provided with pressure hook 25 in the pressure hook mounting hole 30 on the positioning disk 20, the side of pressure hook 25 gib heads is provided with spacer pin 24 on positioning disk 20.And it is adjacent with pressure hook 25 gib heads.
Pneumatic plant one turbine rotor subassembly dynamic balancing jig using method is: get locating shaft 5 during overall test and be inserted in the preceding axle journal 6 fulcrum places of pneumatic plant, spline engagement before locating shaft 5 splines and the pneumatic plant on the axle journal 6 is connected, getting coupling shaft 3 inserts in the locating shaft 5, with screw it is fastened on before the pneumatic plant on axle journal 6 end faces, coupling shaft 3 and locating shaft 5 mechanical connections, get driving-disc 1 and insert on the coupling shaft 3, be fixed on the coupling shaft 3, be connected with the low speed balancing experimental machine when waiting to test with bolt 2.
Get rotor assembly transient equilibrium rear fulcrum anchor clamps, axle journal 7 screwings 9 pass macropore after being inserted in turbine, it is fastening that rotor assembly transient equilibrium rear fulcrum anchor clamps are linked to each other with axle journal 7 behind the turbine, and screw 10 passes aperture and links to each other fastening with rotor assembly transient equilibrium rear fulcrum anchor clamps the turbine tooth socket 12 of combing.Annular flange during test on the rotor assembly transient equilibrium rear fulcrum anchor clamps is connected by the bolt in the mounting hole 11 with the low-speed balancing testing machine.
During at different levels grades of dish dynamic balance runnings: get and correct rotor assembly transient equilibrium radial disbalance mechanism, be installed in pneumatic plant 1-3 level dish or 4-17 level dish or 5-10 level dish or 11～17 grades of disk spaces, positioning disk 20 workplaces and level dish shell face are joined, and it is both are tightly fixing with pressure hook 25, regulate the nut 22 on the stud bolt 21, make skewback 15 promote jacking block 17 and move, change the offset of level dish shell, after reaching technical requirement, stop nut 22 and rotate.
Correcting rotor assembly transient equilibrium radial disbalance mechanism total quality is 1/2nd of tested compressor-turbine rotor subassembly total quality, and positive minus tolerance is being 1-1.5%.
Claims (5)
1. compressor-turbine rotor subassembly dynamic balancing jig, it is characterized in that utilizing the breakdown structure, comprise that being sleeved on rotor assembly transient equilibrium front fulcrum anchor clamps on the axle journal before the pneumatic plant is sleeved on behind the turbine rotor assembly transient equilibrium rear fulcrum anchor clamps on the axle journal and corrects rotor assembly transient equilibrium radial disbalance mechanism and form.
2. according to a kind of compressor-turbine rotor subassembly dynamic balancing jig of claim 1 narration, it is characterized in that said rotor assembly transient equilibrium front fulcrum anchor clamps rotor assembly transient equilibrium front fulcrum anchor clamps are by driving-disc, coupling shaft, locating shaft, mechanical connection is formed successively, driving-disc is provided with the fabrication hole that links to each other with the low-speed balancing testing machine, coupling shaft one end is a flange ring, flange ring is provided with screw hole, the screw hole inner bolt is connected with axle journal axial location before the pneumatic plant, locating shaft is one tubular, its inwall middle part is provided with spline and pneumatic plant front axle spline engagement, and locating shaft has two sections interference to be connected with pneumatic plant front axle spare.
3. according to a kind of compressor-turbine rotor subassembly dynamic balancing jig of claim 1 narration, it is characterized in that said rotor assembly transient equilibrium rear fulcrum anchor clamps are a tubular technology rear axle housing, its inwall middle part is provided with annular inner flange, on the annular inner flange, on Flange Plane, be provided with the petal groove successively from the center of circle along radial direction, the aperture that links to each other with turbine comb tooth socket, the macropore that links to each other with axle journal behind the turbine, it is an annular flange formula plane that these anchor clamps have an end, equidistantly is provided with the mounting hole that links to each other with the low-speed balancing testing machine on this plane;
4. according to a kind of compressor-turbine rotor subassembly dynamic balancing jig of claim 1 narration, it is characterized in that said correction rotor assembly transient equilibrium radial disbalance mechanism, comprise a balance mandrel, this mandrel outside surface is provided with position limiting convex ring and screw thread, the lock nut that positioning disk and stationary positioned dish are used is installed between bulge loop and screw section, positioning disk has a protruding circular ring in a side, the protruding circular ring ring surface cooperates with the compressor stage dish of being rectified a deviation, arc squares such as protruding circular ring side plane alternately are provided with dovetail gathering sill and pressure hook mounting hole, wherein be provided with jacking block and skewback in the dovetail gathering sill from top to bottom successively, two place's binding faces are the inclined-plane, this face and horizontal line are formed sliding angle on the jacking block, last sliding angle 〉=10 °, corresponding jacking block is in positioning disk and is provided with cover plate, the other limit pin hole that is provided with of pressure hook mounting hole, corresponding skewback place is provided with unthreaded hole on positioning disk, corresponding jacking block place is provided with pin-and-hole on positioning disk, stud bolt one end is connected by pin with skewback in the unthreaded hole, another exposes location card end and links to each other with nut, be provided with pressure hook in the pressure hook mounting hole on the positioning disk, the side of pressure hook gib head is provided with spacer pin on positioning disk, and adjacent with the pressure hook gib head.
5. according to a kind of compressor-turbine rotor subassembly dynamic balancing jig of claim 1 narration, it is characterized in that said correction rotor assembly transient equilibrium radial disbalance mechanism add up to quality be tested compressor-turbine rotor subassembly add up to quality 1/2nd, and positive minus tolerance is being 1-1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101572370A CN100535625C (en) | 2007-09-30 | 2007-09-30 | Compressor- turbine rotor subassembly dynamic balancing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101572370A CN100535625C (en) | 2007-09-30 | 2007-09-30 | Compressor- turbine rotor subassembly dynamic balancing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126669A true CN101126669A (en) | 2008-02-20 |
| CN100535625C CN100535625C (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101572370A Expired - Fee Related CN100535625C (en) | 2007-09-30 | 2007-09-30 | Compressor- turbine rotor subassembly dynamic balancing jig |
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| CN (1) | CN100535625C (en) |
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| CN101829968A (en) * | 2010-04-29 | 2010-09-15 | 中国燃气涡轮研究院 | High-speed dynamic balance jig and dynamic balance adjusting method thereof |
| CN101598622B (en) * | 2009-07-01 | 2011-01-05 | 秦皇岛兴龙轮毂有限公司 | Wheel hub balance-jitter detection line |
| CN103930681A (en) * | 2011-07-19 | 2014-07-16 | 艾利奥特公司 | Assembly and method of attaching stub shaft to drum of axial compressor rotor shaft |
| CN104819691A (en) * | 2015-05-07 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | Form and position tolerance detection system and high-pressure compressor simulation rotor detected by same |
| CN104964793A (en) * | 2015-07-24 | 2015-10-07 | 杭州集智机电股份有限公司 | Rotating eccentric automatic measurement device for single-side vertical-type balance testing machine |
| CN105352661A (en) * | 2015-11-12 | 2016-02-24 | 广西科技大学鹿山学院 | Dynamic balancing clamp for FSAE racing car engine rotor |
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| CN107677492A (en) * | 2017-09-25 | 2018-02-09 | 安徽江淮汽车集团股份有限公司 | A kind of positioning fixture of wheel set dynamic balancing machine |
| CN109129264A (en) * | 2018-09-05 | 2019-01-04 | 中国航发动力股份有限公司 | A kind of low-pressure compressor primary rotor leaf decomposition adapter and application method |
| CN109570937A (en) * | 2018-11-05 | 2019-04-05 | 哈尔滨汽轮机厂有限责任公司 | A kind of single-axis neck rotor processing method |
| CN110899284A (en) * | 2019-11-26 | 2020-03-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Full-automatic carbon-hydrogen cleaning and fixing device for rotor |
| CN112179564A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Balancing device and method for multistage blisk |
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- 2007-09-30 CN CNB2007101572370A patent/CN100535625C/en not_active Expired - Fee Related
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| CN101598622B (en) * | 2009-07-01 | 2011-01-05 | 秦皇岛兴龙轮毂有限公司 | Wheel hub balance-jitter detection line |
| CN101829968A (en) * | 2010-04-29 | 2010-09-15 | 中国燃气涡轮研究院 | High-speed dynamic balance jig and dynamic balance adjusting method thereof |
| CN103930681A (en) * | 2011-07-19 | 2014-07-16 | 艾利奥特公司 | Assembly and method of attaching stub shaft to drum of axial compressor rotor shaft |
| CN104819691A (en) * | 2015-05-07 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | Form and position tolerance detection system and high-pressure compressor simulation rotor detected by same |
| CN104964793A (en) * | 2015-07-24 | 2015-10-07 | 杭州集智机电股份有限公司 | Rotating eccentric automatic measurement device for single-side vertical-type balance testing machine |
| CN104964793B (en) * | 2015-07-24 | 2018-03-09 | 杭州集智机电股份有限公司 | Rotating eccentricity self-operated measuring unit for single-face vertical-type balance testing machine |
| CN105352661A (en) * | 2015-11-12 | 2016-02-24 | 广西科技大学鹿山学院 | Dynamic balancing clamp for FSAE racing car engine rotor |
| CN106017795A (en) * | 2016-06-28 | 2016-10-12 | 中国南方航空工业(集团)有限公司 | Compressor rotor balancing clamp |
| CN107677492A (en) * | 2017-09-25 | 2018-02-09 | 安徽江淮汽车集团股份有限公司 | A kind of positioning fixture of wheel set dynamic balancing machine |
| CN109129264A (en) * | 2018-09-05 | 2019-01-04 | 中国航发动力股份有限公司 | A kind of low-pressure compressor primary rotor leaf decomposition adapter and application method |
| CN109570937A (en) * | 2018-11-05 | 2019-04-05 | 哈尔滨汽轮机厂有限责任公司 | A kind of single-axis neck rotor processing method |
| CN110899284A (en) * | 2019-11-26 | 2020-03-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Full-automatic carbon-hydrogen cleaning and fixing device for rotor |
| CN114083396A (en) * | 2020-08-24 | 2022-02-25 | 中国航发商用航空发动机有限责任公司 | Turbine rotor blade tip grinding adapter clamp and mounting method thereof |
| CN114083396B (en) * | 2020-08-24 | 2022-10-18 | 中国航发商用航空发动机有限责任公司 | Mounting method of turbine rotor blade tip grinding adapter clamp |
| CN112179564A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Balancing device and method for multistage blisk |
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| CN113211339B (en) * | 2021-03-18 | 2023-03-31 | 中国人民解放军第五七一九工厂 | A frock clamp for horizontal balanced of aviation turboshaft engine single-disk |
| CN113092123A (en) * | 2021-03-25 | 2021-07-09 | 中国航发南方工业有限公司 | Method for assembling a rotor of a gas generator |
| CN113092123B (en) * | 2021-03-25 | 2024-01-23 | 中国航发南方工业有限公司 | Method for assembling a gas generator rotor |
| CN113102952A (en) * | 2021-04-20 | 2021-07-13 | 四川易尚天交实业有限公司 | Machining tool for toothed adjusting sleeve assembly and machining method for toothed adjusting sleeve assembly |
| CN113102952B (en) * | 2021-04-20 | 2022-07-15 | 四川易尚天交实业有限公司 | Machining tool and machining method for toothed adjusting sleeve assembly |
| CN113567044A (en) * | 2021-06-23 | 2021-10-29 | 四川航天中天动力装备有限责任公司 | Dynamic balance clamp device for compressor rotor of turbojet engine |
| CN113567044B (en) * | 2021-06-23 | 2024-04-12 | 四川航天中天动力装备有限责任公司 | Dynamic balance clamp device for turbojet engine compressor rotor |
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