CN110220667A - A kind of support device and method of wind-tunnel blower thin-wall part - Google Patents
A kind of support device and method of wind-tunnel blower thin-wall part Download PDFInfo
- Publication number
- CN110220667A CN110220667A CN201910340525.2A CN201910340525A CN110220667A CN 110220667 A CN110220667 A CN 110220667A CN 201910340525 A CN201910340525 A CN 201910340525A CN 110220667 A CN110220667 A CN 110220667A
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- thin
- wall part
- support
- wind
- stud
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Supports For Pipes And Cables (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the support devices and method of a kind of wind-tunnel blower thin-wall part, belong to wind tunnel technique field.The wind-tunnel includes: that chassis and several support tubes are fixed on lathe with the support device of blower thin-wall part；The fixing end of several support tubes is fixedly connected with chassis, and several support tubes and several telescoping mechanisms correspond, and the support end of support tube is connected with corresponding telescoping mechanism；Nut is fixedly connected with the support end of support tube, and the end of cushion block towards stud offers through slot and groove, and through slot is connected to the groove；The first end of stud is connect with nut thread, and the second end of stud passes through through slot and is threadedly coupled with groove.Wind-tunnel of the present invention reduces the difficulty of processing of ultra-large type thin-walled tube-type part with the support device of blower thin-wall part and method, improves the machining accuracy of large thin-wall tube-type part.
Description
Technical field
The present invention relates to wind tunnel technique field, in particular to support device and side of a kind of wind-tunnel with blower thin-wall part
Method.
Background technique
With becoming stronger day by day for China's national defense strength, the increase of national defense construction investment, country has created a collection of wind in recent years
Hole laboratory.Wherein most crucial equipment is wind-tunnel ultra-large type blower, and this kind of blower fan volume is huge, and inlet tubing diameter reaches
2-5 meters.
In order to mitigate unit weight as far as possible, thin-walled cylindrical structure is largely used in structure design.But for ultra-large type
Thin-walled cylindrical structure is machined with following problem:
Its clamping is difficult, and clamping position is unreasonable, clamping dynamics unevenly causes clamping deformation；
There is residual stress after processing is completed, causes stress deformation.
Problem above be unable to satisfy when will lead to ultra-large type thin-walled cartridge type component assembly design requirement or even deformation it is too big and
It can not assemble.
Summary of the invention
The present invention provides the support device and method of a kind of wind-tunnel blower thin-wall part, solves or partially solves existing
In technology the technical issues of wind-tunnel blower ultra-large type thin-walled cylindrical structure processing difficulties.
In order to solve the above technical problems, setting exists the present invention provides a kind of wind-tunnel support device of blower thin-wall part
On lathe, the support device includes: chassis, several support tubes and several telescoping mechanisms；The chassis and several supports
Guan Jun is fixed on the lathe；The fixing end of several support tubes is fixedly connected with the chassis, several branch
Stay tube and several telescoping mechanisms correspond, and the support end of the support tube is connected with the corresponding telescoping mechanism；
The telescoping mechanism includes: nut, stud and cushion block；The nut is fixedly connected with the support end of the support tube, the pad
The end of block towards the stud offers through slot and groove, and the through slot is connected to the groove；The first end of the stud
It is connect with the nut thread, the second end of the stud passes through the through slot and is threadedly coupled with the groove.
Further, the multiple that the number of the support tube is 4.
Further, the fixing end of several support tubes is disposed in an evenly spaced relation on the chassis.
Further, the stud includes: the first threaded portion, operation portion, interconnecting piece, the second threaded portion and curved portion；Institute
The first end for stating operation portion is fixedly connected with first threaded portion, and second end is fixedly connected with the first end of the interconnecting piece；
The second end of the interconnecting piece passes through the through slot and is fixedly connected with second threaded portion；First threaded portion and the spiral shell
Box thread connection, in the groove, second threaded portion is threadedly coupled with the groove for the second threaded portion setting；Institute
Curved portion is stated to be fixed on the end face of second threaded portion far from the interconnecting piece.
Further, the diameter of second threaded portion is greater than the diameter of the through slot；The diameter of the operation portion is greater than
The diameter of the through slot.
Further, the cushion block is arc away from the end of the stud；The curved end of the cushion block with it is described thin
The inner wall of wall pieces is bonded.
Further, the cushion block is provided with gasket away from the end of the stud.
Further, the support device of wind-tunnel blower thin-wall part further include: several hold-down mechanisms；Several pressures
Tight mechanism is connect with the lathe；Several hold-down mechanisms and several support tubes correspond, the hold-down mechanism with
The corresponding support tube is fixedly connected.
Further, the hold-down mechanism includes: pressing plate and two supporting blocks；Two opposite settings of the supporting block exist
The two sides of the support tube, the bottom of two supporting blocks are fixedly connected with the lathe, the side of two supporting blocks
Portion is fixedly connected with the support tube；The both ends of the pressing plate are fixedly connected at the top of two supporting blocks respectively.
Based on identical inventive concept, the present invention provides a kind of method for supporting of wind-tunnel blower thin-wall part, including following
Step: thin-wall part is placed on lathe, and chassis is placed in the thin-wall part；The fixing end fixation of several support tubes is set
It sets on chassis, telescoping mechanism is connected with the support end of corresponding support tube；The stud for operating the telescoping mechanism, makes spiral shell
The first end of column rotates in nut, rotates the second end of the stud in the groove of cushion block；Change the cushion block and institute
The spacing between nut is stated, the cushion block and the inner wall of the thin-wall part is bonded, supports the thin-wall part.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Since chassis and several support tubes are fixed on lathe, fixing end and the chassis of several support tubes are fixed
Connection, several support tubes and several telescoping mechanisms correspond, and the support end of support tube is connected with corresponding telescoping mechanism, institute
With, thin-wall part can be placed on lathe, and chassis is placed in thin-wall part, since the support end of nut and support tube is fixed
Connection, the end of cushion block towards stud offer through slot and groove, and through slot is connected to the groove, the first end and nut of stud
It being threadedly coupled, the second end of stud passes through through slot and is threadedly coupled with groove, so, it can be by stud in nut and groove
Movement changes the spacing between cushion block and nut, is bonded cushion block with the inner wall of thin-wall part, to ultra-large type thin-wall part to support,
Stablize ultra-large type thin-wall part in processing, avoids vibrating, reduce the processing of super large large thin-wall tube-type part
Difficulty improves the machining accuracy of ultra-large type thin-walled tube-type part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the support device of wind-tunnel blower thin-wall part provided in an embodiment of the present invention；
Fig. 2 is enlarged diagram at the A of Fig. 1；
Fig. 3 is the connection schematic diagram of the stud of the support device of wind-tunnel blower thin-wall part in Fig. 1；
Fig. 4 is the structural schematic diagram of the stud of the support device of wind-tunnel blower thin-wall part in Fig. 1；
Fig. 5 is the structural schematic diagram of the cushion block of the support device of wind-tunnel blower thin-wall part in Fig. 1.
Specific embodiment
Referring to Fig. 1-2, a kind of support device of wind-tunnel blower thin-wall part provided in an embodiment of the present invention is arranged in lathe
On, the support device of the wind-tunnel blower thin-wall part includes: chassis 1, several support tubes 2 and several telescoping mechanisms 3.
Chassis 1 and several support tubes 2 are fixed on lathe.
The fixing end of several support tubes 2 is fixedly connected with chassis 1, and several support tubes 2 and several telescoping mechanisms 3 one are a pair of
It answers, the support end of support tube 2 is connected with corresponding telescoping mechanism 3.
Telescoping mechanism 3 includes: nut 3-1, stud 3-2 and cushion block 3-3.
Nut 3-1 is fixedly connected with the support end of support tube 2, and the end of cushion block 3-3 towards stud 3-2 offer through slot 3-
32 and groove 3-31, through slot 3-32 are connected to groove 3-31.
The first end of stud 3-2 is threadedly coupled with nut 3-1, and the second end of stud 3-2 passes through through slot and groove screw thread connects
It connects.
The application specific embodiment is since chassis 1 and several support tubes 2 are fixed on lathe, several supports
The fixing end of pipe is fixedly connected with chassis, and several support tubes and several telescoping mechanisms correspond, the fixing end of several support tubes 2
Be fixedly connected with chassis 1, several support tubes 2 are corresponded with several telescoping mechanisms 3, the support end of support tube 2 with it is corresponding
Telescoping mechanism 3 connects, so, thin-wall part can be placed on lathe, and chassis 1 is placed in thin-wall part, due to nut 3-1
It is fixedly connected with the support end of support tube 2, the end of cushion block 3-3 towards stud 3-2 offer through slot 3-32 and groove 3-31, lead to
Slot 3-32 is connected to groove 3-31, and the first end of stud 3-2 is threadedly coupled with nut 3-1, and the second end of stud 3-2 passes through through slot
3-32 is threadedly coupled with groove 3-31, so, cushion block 3- can be changed by movement of the stud 3-2 in nut 3-1 and groove
Spacing between 3 and nut 3-1 is bonded cushion block 3-3 with the inner wall of thin-wall part, to ultra-large type thin-wall part to support, makes super large
Type thin-wall part is stablized in processing, avoids vibrating, reduces the difficulty of processing of ultra-large type thin-walled tube-type part, improves
The machining accuracy of ultra-large type thin-walled tube-type part.
Specifically, the multiple that the number of support tube 2 is 4.Preferably, the number of support tube 2 is 8, and 8 support tubes 2 are in
" rice " font is fixedly connected with chassis 1.
Support tube 2 is seamless steel pipe, facilitates loss of weight.
The fixing end of several support tubes 2 is disposed in an evenly spaced relation on chassis 2, guarantees that the support that support tube 2 can be balanced is thin
Wall pieces.
It specifically, include: the first threaded portion 3-21, operation portion 3-22, interconnecting piece 3-23, referring to Fig. 3-4, stud 3-2
Two threaded portion 3-24 and curved portion 3-25.
The first end of operation portion 3-22 is fixedly connected with the first threaded portion 3-21, the 3-23 first end of second end and interconnecting piece
It is fixedly connected.
The second end of interconnecting piece 3-23 passes through through slot 3-32 and is fixedly connected with the second threaded portion 3-24.
First threaded portion 3-21 is threadedly coupled with nut 3-1, and the second threaded portion 3-24 is arranged in groove 3-31, the second spiral shell
Line portion is threadedly coupled with groove 3-31.
Curved portion 3-25 is fixed on the second end face of the threaded portion 3-24 far from interconnecting piece 3-23.
Wherein, support tube 2, the first threaded portion 3-21, operation portion 3-22, interconnecting piece 3-23, the second threaded portion 3-24 and arc
Shape portion 3-25 coaxial arrangement.In the present embodiment, the first threaded portion 3-21, operation portion 3-22, interconnecting piece 3-23, the second screw thread
Portion 3-24 and curved portion 3-25 can be integrally formed.
Since stud 3-2 is flexibly connected by nut 3-1 support tube 2, stud 3-2 is flexibly connected with cushion block 3-3, and arc
There is gap between portion 3-25 and the inner wall of groove, so, vibration damping is carried out when can process to thin-wall part.
Specifically, the diameter of the second threaded portion 3-24 is greater than the diameter of through slot；The diameter of operation portion 3-22 is greater than through slot
Diameter, diameter and the through slot of interconnecting piece 3-23 match, and the second end of stud 3-2 can be made to be embedded in groove, avoid falling off.
Referring to Fig. 5, specifically, cushion block 3-3 is arc, the curved end and thin-walled of cushion block 3-3 away from the end of stud 3-2
The inner wall of part is bonded, and is reduced processing and is trembled.
Cushion block 3-3 is provided with gasket 3-4 away from the end of stud 3-2, prevents impression.
Specifically, the support device of wind-tunnel blower thin-wall part further include: several hold-down mechanisms 4.
Several hold-down mechanisms 4 are connect with lathe.
Several hold-down mechanisms 4 are corresponded with several support tubes 2, and hold-down mechanism 4 is fixed with corresponding support tube 2 to be connected
It connects.
Hold-down mechanism 4 includes: pressing plate 4-1 and two supporting block 4-2.
The two supporting block 4-2 opposite two sides that support tube 2 is arranged in, the bottom of two supporting block 4-2 are solid with lathe
Fixed connection.Specifically, in the present embodiment, the bottom of two supporting block 4-2 can be fixedly connected by bolt with lathe,
In other embodiment, the bottom of two supporting block 4-2 can such as pivot pin be fixedly connected with lathe otherwise.Two
The side of supporting block 4-2 is fixedly connected with support tube 2.Specifically, in the present embodiment, the side of two supporting block 4-2
It can be fixedly connected by spot welding with support tube 2, in other embodiments, the side of two supporting block 4-2 can pass through it
Its mode such as bolt etc. is fixedly connected with support tube 2.
The both ends of pressing plate 4-1 are fixedly connected at the top of two supporting block 4-1 respectively.Specifically, in the present embodiment,
The both ends of pressing plate 4-1 can be fixedly connected by welding and at the top of two supporting block 4-1 respectively, in other embodiments, pressure
The both ends of plate 4-1 can be fixedly connected at the top of such as bolt and two supporting block 4-1 otherwise respectively.Wherein, pressing plate
The top of support tube 2 is arranged in 4-1, for support tube 2 to be pressed on lathe, support tube 2 is avoided to shake.
Based on identical inventive concept, the method for supporting that the present invention provides a kind of wind-tunnel blower thin-wall part includes following step
It is rapid:
Step S1, thin-wall part is placed on lathe, and chassis 1 is placed in thin-wall part.
The fixing end of several support tubes 2 is fixed on chassis 1 by step S2, by telescoping mechanism 3 and corresponding branch
The support end of stay tube 2 connects.
Step S3 operates the stud 3-2 of telescoping mechanism 3, rotates the first end of stud 3-2 in nut 3-1, make stud
The second end of 3-2 rotates in the groove 3-31 of cushion block 3-3.
Step S4 changes the spacing between cushion block 3-3 and nut 3-1, is bonded cushion block 3-3 with the inner wall of thin-wall part, props up
Support thin-wall part.
In order to more clearly introduce the embodiment of the present invention, introduced from the application method of the embodiment of the present invention below.
Thin-wall part is placed on lathe, and chassis 1 is placed in thin-wall part.There is provided the fixing end of several support tubes 2 to spiral shell
Bolt is fixedly connected with chassis 1, and several support tubes 2 are corresponded with several telescoping mechanisms 3, the support end of support tube 2 with it is corresponding
Telescoping mechanism 3 connect.
Nut 3-1 is fixedly connected by welding with the support end of corresponding support tube 2, cushion block 3-3 is towards stud 3-2
End offer through slot 3-32 and groove 3-31, through slot 3-32 is connected to groove 3-31.The first end of operation portion 3-22 and the
One threaded portion 3-21 is fixedly connected, and second end is fixedly connected with the 3-23 first end of interconnecting piece, and the second end of interconnecting piece 3-23 is worn
It crosses through slot 3-32 to be fixedly connected with the second threaded portion 3-24, the first threaded portion 3-21 is threadedly coupled with nut 3-1, the second threaded portion
3-24 is arranged in groove 3-31, and the second threaded portion is threadedly coupled with groove 3-31, and curved portion 3-25 is fixed at the second spiral shell
On end face of the line portion 3-24 far from interconnecting piece 3-23.
Operation portion 3-22 is operated, the first threaded portion 3-21 is acted in nut 3-1, makes the second threaded portion 3-24 in groove
Movement, change cushion block 3-3 and nut 3-1 between spacing, be bonded cushion block 3-3 with the inner wall of thin-wall part, it is thin to ultra-large type
Wall pieces stablize ultra-large type thin-wall part in processing, avoid vibrating, reduce ultra-large type thin-walled cartridge type zero to support
The difficulty of processing of part improves the machining accuracy of ultra-large type thin-walled tube-type part.
Meanwhile stud 3-2 is flexibly connected by nut 3-1 support tube 2, stud 3-2 is flexibly connected with cushion block 3-3, and arc
There is gap between shape portion 3-25 and the inner wall of groove, carries out vibration damping when can process to thin-wall part.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of wind-tunnel support device of blower thin-wall part is arranged on lathe, which is characterized in that the wind-tunnel blower is thin
The support device of wall pieces includes: chassis, several support tubes and several telescoping mechanisms；
The chassis and several support tubes are fixed on the lathe；
The fixing end of several support tubes is fixedly connected with the chassis, several support tubes and several telescoping mechanisms
It corresponds, the support end of the support tube is connected with the corresponding telescoping mechanism；
The telescoping mechanism includes: nut, stud and cushion block；
The nut is fixedly connected with the support end of the support tube, and the end of the cushion block towards the stud offers through slot
And groove, the through slot are connected to the groove；
The first end of the stud is connect with the nut thread, and the second end of the stud passes through the through slot and the groove
It is threadedly coupled.
2. the wind-tunnel according to claim 1 support device of blower thin-wall part, it is characterised in that:
The multiple that the number of the support tube is 4.
3. the wind-tunnel according to claim 1 support device of blower thin-wall part, it is characterised in that:
The fixing end of several support tubes is disposed in an evenly spaced relation on the chassis.
4. the wind-tunnel according to claim 1 support device of blower thin-wall part, which is characterized in that the stud includes:
First threaded portion, operation portion, interconnecting piece, the second threaded portion and curved portion；
The first end of the operation portion is fixedly connected with first threaded portion, and second end and the first end of the interconnecting piece are fixed
Connection；
The second end of the interconnecting piece passes through the through slot and is fixedly connected with second threaded portion；
First threaded portion is connect with the nut thread, and second threaded portion is arranged in the groove, and described second
Threaded portion is threadedly coupled with the groove；
The curved portion is fixed on the end face of second threaded portion far from the interconnecting piece.
5. the wind-tunnel according to claim 2 support device of blower thin-wall part, it is characterised in that:
The diameter of second threaded portion is greater than the diameter of the through slot；
The diameter of the operation portion is greater than the diameter of the through slot.
6. the wind-tunnel according to claim 1 support device of blower thin-wall part, it is characterised in that:
The cushion block is arc away from the end of the stud；
The curved end of the cushion block is bonded with the inner wall of the thin-wall part.
7. the wind-tunnel according to claim 1 support device of blower thin-wall part, it is characterised in that:
The cushion block is provided with gasket away from the end of the stud.
8. the wind-tunnel according to claim 1 support device of blower thin-wall part, which is characterized in that the wind-tunnel blower
The support device of thin-wall part further include: several hold-down mechanisms；
Several hold-down mechanisms are connect with the lathe；
Several hold-down mechanisms and several support tubes correspond, the hold-down mechanism and the corresponding support tube
It is fixedly connected.
9. the wind-tunnel according to claim 8 support device of blower thin-wall part, which is characterized in that the hold-down mechanism packet
It includes: pressing plate and two supporting blocks；
The opposite two sides that the support tube is set of two supporting blocks, the bottom of two supporting blocks with the vehicle
Bed is fixedly connected, and the side of two supporting blocks is fixedly connected with the support tube；
The both ends of the pressing plate are fixedly connected at the top of two supporting blocks respectively.
10. a kind of wind-tunnel method for supporting of blower thin-wall part, based on wind-tunnel blower described in claim 1-8 any one
The support device of thin-wall part, which is characterized in that the method for supporting of wind-tunnel blower thin-wall part the following steps are included:
Thin-wall part is placed on lathe, chassis is placed in the thin-wall part；
The fixing end of several support tubes is fixed on chassis, telescoping mechanism is connected with the support end of corresponding support tube
It connects；
The stud for operating the telescoping mechanism rotates the first end of stud in nut, is padding the second end of the stud
Rotation in the groove of block；
Change the spacing between the cushion block and the nut, be bonded the cushion block and the inner wall of the thin-wall part, supports institute
State thin-wall part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340525.2A CN110220667A (en) | 2019-04-25 | 2019-04-25 | A kind of support device and method of wind-tunnel blower thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340525.2A CN110220667A (en) | 2019-04-25 | 2019-04-25 | A kind of support device and method of wind-tunnel blower thin-wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110220667A true CN110220667A (en) | 2019-09-10 |
Family
ID=67819925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340525.2A Pending CN110220667A (en) | 2019-04-25 | 2019-04-25 | A kind of support device and method of wind-tunnel blower thin-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110220667A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117927A (en) * | 2021-02-25 | 2021-07-16 | 北京星航机电装备有限公司 | Cabin section rotating support tool and method for preparing thermal protection coating by using same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| US5875955A (en) * | 1996-10-18 | 1999-03-02 | Newport News Shipbuilding And Dry Dock Company | Internally mounted pipe clamping device |
| CN202741984U (en) * | 2012-07-24 | 2013-02-20 | 哈电集团（秦皇岛）重型装备有限公司 | Ultra-long thin-walled large diameter moisture separator reheater barrel body distortion preventing device |
| CN205166112U (en) * | 2015-11-20 | 2016-04-20 | 浙江三星通风设备有限公司 | Support arrangement for prevent that fan casing warp |
| CN106002002A (en) * | 2016-05-06 | 2016-10-12 | 兰州兰石重型装备股份有限公司 | Thin-wall barrel body anti-deformation device adjustable in diameter |
| CN207205866U (en) * | 2017-04-20 | 2018-04-10 | 兰州兰石重型装备股份有限公司 | A kind of Novel major diameter thin-wall barrel adjustable deformation prevention frock |
| CN107984278A (en) * | 2017-11-08 | 2018-05-04 | 武汉船用机械有限责任公司 | Spindle support device for cylindrical work pieces |
| CN109079536A (en) * | 2018-09-29 | 2018-12-25 | 湖南南方通用航空发动机有限公司 | A kind of Thin-Wall Outer Casing vibration damping tooling |
-
2019
- 2019-04-25 CN CN201910340525.2A patent/CN110220667A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| US5875955A (en) * | 1996-10-18 | 1999-03-02 | Newport News Shipbuilding And Dry Dock Company | Internally mounted pipe clamping device |
| CN202741984U (en) * | 2012-07-24 | 2013-02-20 | 哈电集团（秦皇岛）重型装备有限公司 | Ultra-long thin-walled large diameter moisture separator reheater barrel body distortion preventing device |
| CN205166112U (en) * | 2015-11-20 | 2016-04-20 | 浙江三星通风设备有限公司 | Support arrangement for prevent that fan casing warp |
| CN106002002A (en) * | 2016-05-06 | 2016-10-12 | 兰州兰石重型装备股份有限公司 | Thin-wall barrel body anti-deformation device adjustable in diameter |
| CN207205866U (en) * | 2017-04-20 | 2018-04-10 | 兰州兰石重型装备股份有限公司 | A kind of Novel major diameter thin-wall barrel adjustable deformation prevention frock |
| CN107984278A (en) * | 2017-11-08 | 2018-05-04 | 武汉船用机械有限责任公司 | Spindle support device for cylindrical work pieces |
| CN109079536A (en) * | 2018-09-29 | 2018-12-25 | 湖南南方通用航空发动机有限公司 | A kind of Thin-Wall Outer Casing vibration damping tooling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117927A (en) * | 2021-02-25 | 2021-07-16 | 北京星航机电装备有限公司 | Cabin section rotating support tool and method for preparing thermal protection coating by using same |
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Application publication date: 20190910 |
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