CN103471850A - Adjustable pressure distortion simulator and transmission device thereof - Google Patents
Adjustable pressure distortion simulator and transmission device thereof Download PDFInfo
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- CN103471850A CN103471850A CN2013104520068A CN201310452006A CN103471850A CN 103471850 A CN103471850 A CN 103471850A CN 2013104520068 A CN2013104520068 A CN 2013104520068A CN 201310452006 A CN201310452006 A CN 201310452006A CN 103471850 A CN103471850 A CN 103471850A
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Abstract
The invention discloses an adjustable pressure distortion simulator and a transmission device of the adjustable pressure distortion simulator. The transmission device is used for moving distortion simulation inserting plate assemblies and comprises a stepping motor, a first bevel gear, a second bevel gear, a worm assembly, a lead screw, a lead screw nut and a guiding rod, the first bevel gear is driven by the stepping motor, the second bevel gear is matched with the first bevel gear, the worm assembly and the second bevel gear are connected and synchronously move, the lead screw is transmitted by the worm assembly through a worm wheel, the lead screw nut is matched to the lead screw, the guiding rod is parallel to the lead screw, the guiding rod is connected with the distortion simulation inserting plate assemblies through a linear bearing movably arranged on the guiding rod in a sleeved mode, and the lead screw nut drives the linear bearing and the distortion simulation inserting plate assemblies to move up and down when the lead screw rotates. The transmission device is reliable in structure, small in space size, high in displacement accuracy and high in use reliability.
Description
Technical field
The present invention relates to fanjet stability test field, relate in particular to a kind of gearing and the adjustable pressure distortion simulation device with it of adjustable pressure distortion simulation device.
Background technology
The gearing of adjustable pressure distortion simulation device is a key equipment in the test of fanjet stability assessment.Its principle is to simulate plate by movement to carry out the regional area in the shield gas flow passage, and the air-flow of the passage of flowing through is caused to disturbance in various degree, thereby produces Distorted Flow Field at engine intake place, downstream, reaches different request for utilizations.
How driving the movement of simulation plate in runner is the key issue of adjustable pressure distortion simulation device.At present the gearing of domestic adjustable distortion simulation device mainly contains two kinds of hydrostatic transmission and electric pushrod transmissions.
The movable Baffle Pressure Distortion Generator that domestic " gas turbine test and research " mentioned in the 1st interim " design of movable Baffle Pressure Distortion Generator and test " article in 2006 adopts hydraulic transmission mode, exists following not enough:
1, hydraulic control system complexity, construction cost is high, and the working service cost is high;
2, comprehensive systems inspection is all wanted in the each test of hydraulic system, tests setup time long;
3, the transmission displacement accuracy is low.
The electric pushrod kind of drive that patent of invention " electronic adjustable distortion simulation device " (patent No. ZL200610056155.2) adopts exists following not enough:
1, electric pushrod transmission case volume is larger, and space availability ratio is low, makes the use of distortion simulation device mould be subject to certain limitation;
2, the simulation plate is difficult to guarantee in the axial and location in space, can't guarantee to simulate the verticality of plate in runner inside.
Summary of the invention
The present invention is intended at least solve one of technical matters existed in prior art.For this reason, one object of the present invention is to propose a kind ofly take up room little and guarantee the gearing of the adjustable pressure distortion simulation device of the spatial positioning accuracy of plate and displacement accuracy.
Another object of the present invention is to propose a kind of adjustable pressure distortion simulation device with described gearing.
Gearing according to a kind of adjustable pressure distortion simulation device of first aspect present invention embodiment, for mobile distortion simulation plate assembly, comprising: stepper motor; The first bevel gear, described the first bevel gear is connected with described stepper motor and is driven by described stepper motor; The second bevel gear, described the second bevel gear coordinates with described the first bevel gear; Worm component, described worm component is connected with described the second bevel gear and is synchronized with the movement with described the second bevel gear; Leading screw, described leading screw passes through worm-drive by described worm component; Feed screw nut, described feed screw nut is engaged on described leading screw; And guide pole, described guide pole is parallel with described leading screw, and by the linear bearing be set in movably on described guide pole, with described distortion simulation plate assembly, be connected, when described leading screw rotates, described feed screw nut drives described linear bearing and described distortion simulation plate assembly moves up and down.
According to the gearing of the embodiment of the present invention, reliable in structure, spatial volume is little, displacement accuracy is high, dependability is strong.
According to one embodiment of present invention, described leading screw is two and is spaced apart from each other in a lateral direction, and described guide pole is two of being spaced apart from each other and respectively adjacent to described two leading screw settings.
Further, the quantity of described linear bearing is four and is located in twos respectively on described two guide poles, and the feed screw nut on wherein said leading screw is connected with the linear bearing that is positioned at top on corresponding guide pole.
Preferably, the linear bearing that is positioned at top on the feed screw nut on described leading screw and corresponding guide pole is integrally formed.
According to one embodiment of present invention, described motor drives described the first bevel gear by the gear shaft be connected on its motor shaft.
According to one embodiment of present invention, described gear shaft is fixed by key and described the first bevel gear.
According to one embodiment of present invention, between described motor and described gear shaft, by O-ring seal, seal.
According to one embodiment of present invention, be arranged with the second deep groove ball bearing on described gear shaft.
Gearing according to the adjustable pressure distortion simulation device of the embodiment of the present invention has the following advantages:
(1) little space structure topological design
This gearing is applied to a kind of adjustable distortion simulation device, mainly by parts such as electric machine assembly, worm component, lead screw assembly, bearing, guide poles, formed, by the design optimization to spare part, the vertical height of gearing is down to minimum, makes this adjustable distortion simulation device can be used for the engine aberration test of different condition.
(2) high transmission displacement accuracy
This gearing carries out the transmission adjusting by motor frequency conversion assembly, worm component, the large assembly of leading screw guide pole assembly three, realized low-speed propulsion, the function of shrinking back fast, and the displacement accuracy of this gearing is high, can control plate and rest on any centre position.
(3) the simulation plate is in the space orientation of pipe interior
Aerodynamic force to the pipe interior air-flow is adjusted, and adopts rolling bearing and guide pole assembly to realize the axial and radial location of simulation plate, guarantees the verticality of plate, even guarantee that under the limiting case of incoming flow maximum duty the simulation plate can not be subjected to displacement variation.
According to a kind of adjustable pressure distortion simulation device of second aspect present invention embodiment, comprising: casing limits the operation chamber in described casing; According to the gearing of the described adjustable pressure distortion simulation of first aspect present invention embodiment device, it is indoor that described gearing is located at described operating cavity, and wherein said leading screw and described guide pole are respectively along being located in described casing up and down.
According to one embodiment of present invention, the bottom of described guide pole is connected on the diapire of described operation chamber by the dish spring.
According to one embodiment of present invention, described worm component is fixed with described the second bevel gear and is connected with described casing by the first deep groove ball bearing.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises limit switch assembly, and described limit switch assembly comprises: limit switch bracket, and described limit switch bracket is from the top of described operation chamber to downward-extension; Limit switch, described limit switch is located on described limit switch bracket and contiguous described distortion simulation plate assembly setting.
According to one embodiment of present invention, described limit switch comprises two, and described two limit switches are along separating between the upper and lower and being respectively used to limit the upper and lower bound that described distortion simulation plate assembly moves.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises: displacement transducer, described displacement transducer is connected to the top of described operation chamber for measuring the mobile displacement of described distortion simulation plate assembly.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises the motor mounting flange, and described motor mounting flange is mounted to motor on described casing, and is sealed by sealing strip.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises: upper ball cover, and the upper end of wherein said leading screw is connected with the angular contact ball journal and fixes by nut with upper ball cover; Lower ball cover, described lower ball cover is located between the diapire of the bottom of described leading screw and described operation chamber; The side bearing lid, described side bearing lid is connected sealing with O type packing ring with described casing by screw.
According to adjustable distortion simulation device of the present invention, because adopting first, its gearing take lead screw assembly as the main kind of drive, transmission accuracy can reach 0.1mm, adopt little space layout scheme, the volume that makes to apply the adjustable distortion simulation device of this gearing significantly reduces, and has guaranteed spatial positioning accuracy and the displacement accuracy of simulation plate simultaneously.According to the adjustable distortion simulation device of adjustable distortion simulation device of the present invention, realized that volume is little, precision is high, located accurate function, simple in structure, be easy to demolition and maintenance.This invention can be applicable in the middle of various adjustable distortion simulation device application, and may extend in the middle of the design of other gearing, has a extensive future.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram according to the gearing of the adjustable pressure distortion simulation device of the embodiment of the present invention;
Fig. 2 is the vertical view of the gearing shown in Fig. 1;
Fig. 3 is the side view of the gearing shown in Fig. 1;
Fig. 4 is the lead screw assembly connection diagram of the gearing shown in Fig. 1;
Fig. 5 is the motor connection diagram of the gearing shown in Fig. 1;
Fig. 6 is the worm component connection diagram of the gearing shown in Fig. 1;
Fig. 7 is bevel gear assembly, limit assembly, the displacement transducer connection diagram of the gearing shown in Fig. 1.
Reference numeral:
1. casing; 100. operation chamber; 2. leading screw; 3. guide pole;
4. distortion simulation plate assembly; 5. feed screw nut; 6. side bearing covers;
7. upside gland bonnet; 8. worm component; 9. the first bevel gear; 10. the second bevel gear;
11. displacement transducer; 12. shaft block ring; 13. magnet ring support;
14. limit switch bracket; 15. limit switch;
16. linear bearing; 17. dish spring; 18. lower ball cover;
19. turbine; 20. flat key; 21. stroke probe;
22. key; 23.O type packing ring; 24. the first deep groove ball bearing; 25. angular contact ball bearing;
26. upper ball cover; 27. nut; 28. gear shaft;
29. motor mounting flange; 30. motor; 31. O-ring seal;
32. sealing strip; 33. the second deep groove ball bearing
Embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " laterally ", " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 7, the gearing according to the adjustable pressure distortion simulation device of the embodiment of the present invention is described, in the fanjet stability test for mobile distortion simulation plate assembly 4.
Gearing according to the adjustable pressure distortion simulation device of first aspect present invention embodiment, comprising: stepper motor 30, the first bevel gear 9, the second bevel gear 10, worm component 8, leading screw 2, feed screw nut 5, guide pole 3.
As shown in Fig. 1-Fig. 7, the first bevel gear 9 is connected with stepper motor 30 and is driven by stepper motor 30, and the second bevel gear 10 coordinates with the first bevel gear 9.Worm component 8 is connected with the second bevel gear 10 and is synchronized with the movement with the second bevel gear 10, and leading screw 2 passes through worm gear 19 transmissions by worm component 8.Feed screw nut 5 is engaged on leading screw 2, guide pole 3 is parallel with leading screw 2, and by the linear bearing 16 be set in movably on guide pole 3, with distortion simulation plate assembly 4, be connected, when leading screw 2 rotates, feed screw nut 5 drive linear bearings 16 and distortion simulation plate assembly 4 move up and down.
Thus, in process of the test, stepper motor 30 drives the first bevel gear 9 by gear shaft 28, the first bevel gear 9 drives worm component 8 by the second bevel gear 10, worm component 8 is by worm gear 19 rotational lead screws 2, and leading screw 2 drives distortion simulation plate assembly 4 by feed screw nut 5 and carries out upper and lower rectilinear motion.Therefore, according to the gearing of the embodiment of the present invention, reliable in structure, spatial volume is little, displacement accuracy is high, dependability is strong.
According to some embodiments of the present invention, leading screw 2 is two and is spaced apart from each other on horizontal direction (being the left and right directions in Fig. 1), and guide pole 3 is for two of being spaced apart from each other and adjacent to two leading screws 2, arrange respectively.Further, the quantity of linear bearing 16 is four and is located in twos respectively on two guide poles 3, and wherein the feed screw nut 5 on leading screw 2 is connected with the linear bearing 16 that is positioned at top on corresponding guide pole 3.Preferably, the linear bearing 16 that is positioned at top on the feed screw nut on leading screw 25 and corresponding guide pole 3 is integrally formed.
Thus, the gearing according to the adjustable pressure distortion simulation device of the embodiment of the present invention has the following advantages:
(1) little space structure topological design
This gearing is applied to a kind of adjustable distortion simulation device, mainly by parts such as electric machine assembly, worm component, lead screw assembly, bearing, guide poles, formed, by the design optimization to spare part, the vertical height of gearing is down to minimum, makes this adjustable distortion simulation device can be used for the engine aberration test of different condition.
(2) high transmission displacement accuracy
This gearing carries out the transmission adjusting by motor frequency conversion assembly, worm component, the large assembly of leading screw guide pole assembly three, realized low-speed propulsion, the function of shrinking back fast, and the displacement accuracy of this gearing is high, can control plate and rest on any centre position.
(3) the simulation plate is in the space orientation of pipe interior
Aerodynamic force to the pipe interior air-flow is adjusted, and adopts rolling bearing and guide pole assembly to realize the axial and radial location of simulation plate, guarantees the verticality of plate, even guarantee that under the limiting case of incoming flow maximum duty the simulation plate can not be subjected to displacement variation.
A kind of adjustable pressure distortion simulation device according to second aspect present invention embodiment comprises: casing 1 and the gearing of the adjustable pressure distortion simulation device of above-mentioned first aspect embodiment according to the present invention.As shown in Figure 1, limit operation chamber 100 in casing 1.This gearing is located in operation chamber 100, and wherein leading screw 2 and guide pole 3 are respectively along being located in casing 1 up and down.
As shown in Figure 1, the bottom of guide pole 3 is connected on the diapire of operation chamber 100 by the dish spring.As shown in Figure 2 and Figure 6, worm component 8 is fixed and is connected with casing 1 by the first deep groove ball bearing 24 with the second bevel gear 10.
As shown in Figure 1 and Figure 7, adjustable pressure distortion simulation device can also comprise limit switch assembly, limit switch assembly comprises: limit switch bracket 14 and limit switch 15, limit switch bracket 14 is from the top of operation chamber 100 to downward-extension, and limit switch 15 is located on limit switch bracket 14 and contiguous distortion simulation plate assembly 4 arranges.Preferably, limit switch 15 comprises two, and two limit switches 15 are along separating between the upper and lower and being respectively used to limit the upper and lower bound that distortion simulation plate assembly 4 moves.
As shown in Figure 1, adjustable pressure distortion simulation device can also comprise displacement transducer 11, and displacement transducer 11 is connected to the top of operation chamber 100 for measuring the mobile displacement of distortion simulation plate assembly 4.
Further, as shown in Figure 3, adjustable pressure distortion simulation device can also comprise motor mounting flange 29, and motor mounting flange 29 is mounted to motor 30 on casing 1, and is sealed by sealing strip 32.
As shown in Figure 1, adjustable pressure distortion simulation device can also comprise: upper ball cover 26, lower ball cover 18 and side bearing lid 6, wherein the upper end of leading screw 2 is connected with the angular contact ball journal and fixes by nut with upper ball cover 26, lower ball cover 18 is located at the bottom of leading screw 2 and operates between the diapire of chamber 100, and side bearing lid 6 is connected sealing with O type packing ring with casing 1 by screw.
According to adjustable distortion simulation device of the present invention, because adopting first, its gearing take lead screw assembly as the main kind of drive, transmission accuracy can reach 0.1mm, adopt little space layout scheme, the volume that makes to apply the adjustable distortion simulation device of this gearing significantly reduces, and has guaranteed spatial positioning accuracy and the displacement accuracy of simulation plate simultaneously.According to the adjustable distortion simulation device of adjustable distortion simulation device of the present invention, realized that volume is little, precision is high, located accurate function, simple in structure, be easy to demolition and maintenance.This invention can be applicable in the middle of various adjustable distortion simulation device application, and may extend in the middle of the design of other gearing, has a extensive future.
Particularly, with reference to figure 1-Fig. 7, adjustable distortion simulation device according to the present invention is described in further details.
With reference to figure 1-Fig. 7, spring 17 is fixed on guide pole 3, guide pole 3 is fixed on casing 1 inside, feed screw nut 5 and linear bearing 16 are fixed on distortion simulation plate assembly 4, by 4 linear bearings, 16 distortion simulation devices, with guide pole 3, be connected, by two feed screw nuts, 5 distortion simulation device plates, with leading screw 2, be connected, the upper end of leading screw 2 is connected by upper ball cover 26 and nut 27 fixing with angular contact ball bearing 25, top cover labyrinth 7 is connected with casing 1 with the second O-ring seal by screw, worm component 8 is fixed and is connected with casing 1 by the first deep groove ball bearing 24 with the second bevel gear 10, side bearing lid 6 is connected sealing with O type packing ring 23 with casing 1 by screw, motor 30 is connected with gear shaft 28 by O-ring seal 31 sealings, the second deep groove ball bearing 33 is enclosed within on gear shaft 28, motor mounting flange 29 connects motor 31 and casing 1 is sealed by sealing strip 32, gear shaft 28 is fixed by key 22 and the first bevel gear 9.
In process of the test, stepper motor 30 drives the first bevel gear 9 by gear shaft 28, the first bevel gear 9 drives worm component 8 by the second bevel gear 10, and worm component 8 is by worm gear 19 rotational lead screws 2, and leading screw 2 drives distortion simulation plate assembly 4 by feed screw nut 5 and carries out upper and lower rectilinear motion.The upper and lower bound of distortion simulation plate assembly 4 strokes limits by 15 limit switches, and the displacement of distortion simulation plate assembly 4 obtains by displacement transducer 11.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (16)
1. the gearing of an adjustable pressure distortion simulation device, for mobile distortion simulation plate assembly, is characterized in that, comprising:
Stepper motor;
The first bevel gear, described the first bevel gear is connected with described stepper motor and is driven by described stepper motor;
The second bevel gear, described the second bevel gear coordinates with described the first bevel gear;
Worm component, described worm component is connected with described the second bevel gear and is synchronized with the movement with described the second bevel gear;
Leading screw, described leading screw passes through worm-drive by described worm component;
Feed screw nut, described feed screw nut is engaged on described leading screw; And
Guide pole, described guide pole is parallel with described leading screw, and by the linear bearing be set in movably on described guide pole, with described distortion simulation plate assembly, be connected, when described leading screw rotates, described feed screw nut drives described linear bearing and described distortion simulation plate assembly moves up and down.
2. gearing according to claim 1, is characterized in that, described leading screw is two and is spaced apart from each other in a lateral direction, and described guide pole is two of being spaced apart from each other and respectively adjacent to described two leading screw settings.
3. gearing according to claim 2, it is characterized in that, the quantity of described linear bearing is four and is located in twos respectively on described two guide poles, and the feed screw nut on wherein said leading screw is connected with the linear bearing that is positioned at top on corresponding guide pole.
4. gearing according to claim 3, is characterized in that, the linear bearing that is positioned at top on the feed screw nut on described leading screw and corresponding guide pole is integrally formed.
5. gearing according to claim 1, is characterized in that, described motor drives described the first bevel gear by the gear shaft be connected on its motor shaft.
6. gearing according to claim 5, is characterized in that, described gear shaft is fixed by key and described the first bevel gear.
7. gearing according to claim 6, is characterized in that, between described motor and described gear shaft, by O-ring seal, seals.
8. gearing according to claim 6, is characterized in that, is arranged with the second deep groove ball bearing on described gear shaft.
9. an adjustable pressure distortion simulation device, is characterized in that, comprising:
Casing, limit the operation chamber in described casing;
According to the gearing of the described adjustable pressure distortion simulation of any one device in claim 1-8, it is indoor that described gearing is located at described operating cavity, and wherein said leading screw and described guide pole are respectively along being located in described casing up and down.
10. adjustable pressure distortion simulation device according to claim 9, is characterized in that, the bottom of described guide pole is connected on the diapire of described operation chamber by the dish spring.
11. adjustable pressure distortion simulation device according to claim 9, is characterized in that, described worm component is fixed with described the second bevel gear and is connected with described casing by the first deep groove ball bearing.
12. adjustable pressure distortion simulation device according to claim 9, is characterized in that, also comprise limit switch assembly, described limit switch assembly comprises:
Limit switch bracket, described limit switch bracket is from the top of described operation chamber to downward-extension;
Limit switch, described limit switch is located on described limit switch bracket and contiguous described distortion simulation plate assembly setting.
13. adjustable pressure distortion simulation device according to claim 12 is characterized in that described limit switch comprises two, described two limit switches are along separating between the upper and lower and being respectively used to limit the upper and lower bound that described distortion simulation plate assembly moves.
14. adjustable pressure distortion simulation device according to claim 9, is characterized in that, also comprises:
Displacement transducer, described displacement transducer is connected to the top of described operation chamber for measuring the mobile displacement of described distortion simulation plate assembly.
15. adjustable pressure distortion simulation device according to claim 9, is characterized in that, also comprises the motor mounting flange, described motor mounting flange is mounted to motor on described casing, and is sealed by sealing strip.
16. adjustable pressure distortion simulation device according to claim 9, is characterized in that, also comprises:
Upper ball cover, the upper end of wherein said leading screw is connected with the angular contact ball journal and fixes by nut with upper ball cover;
Lower ball cover, described lower ball cover is located between the diapire of the bottom of described leading screw and described operation chamber;
The side bearing lid, described side bearing lid is connected sealing with O type packing ring with described casing by screw.
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| CN201310452006.8A CN103471850B (en) | 2013-09-27 | 2013-09-27 | Adjustable pressure distortion simulation device and transmission mechanism thereof |
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| CN201310452006.8A CN103471850B (en) | 2013-09-27 | 2013-09-27 | Adjustable pressure distortion simulation device and transmission mechanism thereof |
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| CN103471850B CN103471850B (en) | 2016-06-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106404407A (en) * | 2016-10-20 | 2017-02-15 | 北京动力机械研究所 | Adjustable fan-shaped plate flow field distortion simulator |
| CN112117522A (en) * | 2020-08-20 | 2020-12-22 | 北京特种机械研究所 | Large-tonnage servo-feed erecting electric mechanism |
| CN112665863A (en) * | 2020-11-10 | 2021-04-16 | 西安交通大学 | Radial rotating plate type adjustable total pressure distortion generator |
| CN112985814A (en) * | 2021-01-29 | 2021-06-18 | 中国航发沈阳发动机研究所 | Core machine pressure distortion precise control environment simulation tester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404407A (en) * | 2016-10-20 | 2017-02-15 | 北京动力机械研究所 | Adjustable fan-shaped plate flow field distortion simulator |
| CN112117522A (en) * | 2020-08-20 | 2020-12-22 | 北京特种机械研究所 | Large-tonnage servo-feed erecting electric mechanism |
| CN112117522B (en) * | 2020-08-20 | 2024-06-04 | 北京特种机械研究所 | Large-tonnage servo lifting electric mechanism |
| CN112665863A (en) * | 2020-11-10 | 2021-04-16 | 西安交通大学 | Radial rotating plate type adjustable total pressure distortion generator |
| CN112665863B (en) * | 2020-11-10 | 2023-05-16 | 西安交通大学 | Radial rotating plate type adjustable total pressure distortion generator |
| CN112985814A (en) * | 2021-01-29 | 2021-06-18 | 中国航发沈阳发动机研究所 | Core machine pressure distortion precise control environment simulation tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103471850B (en) | 2016-06-01 |
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