CN103471850B - Adjustable pressure distortion simulation device and transmission mechanism thereof - Google Patents
Adjustable pressure distortion simulation device and transmission mechanism thereof Download PDFInfo
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- CN103471850B CN103471850B CN201310452006.8A CN201310452006A CN103471850B CN 103471850 B CN103471850 B CN 103471850B CN 201310452006 A CN201310452006 A CN 201310452006A CN 103471850 B CN103471850 B CN 103471850B
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- adjustable pressure
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Abstract
The present invention discloses a kind of adjustable pressure distortion simulation device and transmission mechanism thereof, for mobile distortion simulation plate assembly. Transmission mechanism comprises: stepper-motor; First cone gear driven by stepper motors; 2nd cone gear, described 2nd cone gear coordinates with described first cone gear; Worm component, described worm component is connected with described 2nd cone gear and moves with described plug tap gear synchronous; Leading screw, described leading screw passes through worm-gear drive by described worm component; Feed screw nut, described feed screw nut is engaged on described leading screw; And tail rod, described tail rod is parallel with described leading screw, and be connected with described distortion simulation plate assembly by removable the linear bearings being set on described tail rod, during described screw turns, described feed screw nut drives described linear bearings and described distortion simulation plate assembly to move up and down. Transmission mechanism according to the present invention, structure is reliable, and spatial volume is little, displacement accuracy height, work reliability are strong.
Description
Technical field
The present invention relates to fanjet stability test field, particularly relate to the transmission mechanism of a kind of adjustable pressure distortion simulation device and there is its adjustable pressure distortion simulation device.
Background technology
The transmission mechanism of adjustable pressure distortion simulation device is a key equipment during fanjet stability assessment is tested. Its principle carrys out the regional area in shield gas flow passage by mobile simulation plate, the air-flow flowing through passage is caused disturbance in various degree, thus produces distortion flow field in downstream engine ingress, reach different service requirementss.
The simulation movement of plate in runner how is driven to be the key issue of adjustable pressure distortion simulation device. The transmission mechanism of adjustable distortion simulation device domestic at present mainly contains hydrostatic transmission and electric pushrod transmission two kinds.
The board-like pressure distortion producer of the movable insertion that domestic " gas turbine Testing and research " is mentioned in interim " design of movable insertion board-like pressure distortion producer and test " article for 2006 the 1st adopts hydraulic transmission mode, exists following not enough:
1, hydraulic control system is complicated, construction cost height, it may also be useful to maintenance cost height;
2, hydraulic efficiency system is tested every time and is all wanted comprehensive system inspection, and test setup time is long;
3, transmission displacement accuracy is low.
Summary of the invention
The present invention is intended to one of technical problem at least solving existence in prior art. For this reason, it is an object of the present invention to propose a kind of space that takies little and ensure the transmission mechanism 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 transmission mechanism.
The transmission mechanism of a kind of adjustable pressure distortion simulation device of embodiment according to a first aspect of the present invention, for mobile distortion simulation plate assembly, comprising: stepper-motor; First cone gear, described first cone gear is connected with described stepper-motor and by described driving stepper motor; 2nd cone gear, described 2nd cone gear coordinates with described first cone gear; Worm component, described worm component is connected with described 2nd cone gear and moves with described plug tap gear synchronous; Leading screw, described leading screw passes through worm-gear drive by described worm component; Feed screw nut, described feed screw nut is engaged on described leading screw; And tail rod, described tail rod is parallel with described leading screw, and be connected with described distortion simulation plate assembly by removable the linear bearings being set on described tail rod, during described screw turns, described feed screw nut drives described linear bearings and described distortion simulation plate assembly to move up and down.
Transmission mechanism according to embodiments of the present invention, structure is reliable, and spatial volume is little, displacement accuracy height, work reliability are 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 tail rod is two be spaced apart from each other and arranges adjacent to described two leading screws respectively.
Further, the quantity of described linear bearings is four and is located on described two tail rods respectively between two, and the feed screw nut on wherein said leading screw and the linear bearings being positioned at top on corresponding tail rod connect.
Preferably, the feed screw nut on described leading screw and the linear bearings being positioned at top on corresponding tail rod are integrally formed.
According to one embodiment of present invention, described motor drives described first cone gear by the gear shaft being connected on its motor shaft.
According to one embodiment of present invention, described gear shaft is fixed by key and described first cone gear.
According to one embodiment of present invention, sealed by sealing-ring between described motor and described gear shaft.
According to one embodiment of present invention, described gear shaft is arranged with the 2nd deep groove ball bearing.
The transmission mechanism of adjustable pressure distortion simulation device according to embodiments of the present invention, has the following advantages:
(1) little space structure topological design
This transmission mechanism is applied to a kind of adjustable distortion simulation device, primarily of part compositions such as electric machine assembly, worm component, leading screw assembly, bearing, tail rods, by the design optimization to spare part, the vertical height of transmission mechanism 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 transmission mechanism carries out transmission adjustment by motor frequency conversion assembly, worm component, the big assembly of leading screw tail rod assembly three, it is achieved that low-speed propulsion, shrink back function and the displacement accuracy height of this transmission mechanism fast, can control plate and stop in any mid-way.
(3) spatial positioning of plate at pipe interior is simulated
The aerodynamic force of pipe interior air-flow is adjusted, adopts rolling bearing and tail rod assembly to realize the axis of simulation plate and radial location, ensure the verticality of plate, even if ensureing that under the limiting case flowing maximum duty simulation plate can not be subjected to displacement change.
A kind of adjustable pressure distortion simulation device of embodiment, comprising: casing, limits operating cavity room in described casing according to a second aspect of the present invention; The transmission mechanism of adjustable pressure distortion simulation device described in embodiment according to a first aspect of the present invention, it is indoor that described transmission mechanism is located at described operating cavity, and wherein said leading screw and described tail rod are vertically located in described casing respectively.
According to one embodiment of present invention, the bottom of described tail rod is connected on the diapire of described operating cavity room by disc spring.
According to one embodiment of present invention, described worm component is fixed with described 2nd cone 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 extends downwards from the top of described operating cavity room; Limit switch, described limit switch is located on described limit switch bracket and contiguous described distortion simulation plate assembly is arranged.
According to one embodiment of present invention, described limit switch comprises two, described two limit switches vertically between separate and be respectively used to limit the upper limit and the lower limit of described distortion simulation plate component movement.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises: displacement sensor, and institute's displacement sensors is connected to the top of described operating cavity room 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 motor mounting flange, and motor is mounted on described casing by described motor mounting flange, and is sealed by sealed strip.
According to one embodiment of present invention, described adjustable pressure distortion simulation device also comprises: head bearing lid, and the upper end of wherein said leading screw is connected with angular contact ball axle and is fixed by nut with head bearing lid; Lower ball cover, described lower ball cover is located between the bottom of described leading screw and the diapire of described operating cavity room; Side step cover, described side step cover is connected sealing by screw and O type packing ring with described casing.
Adjustable distortion simulation device according to the present invention, owing to its transmission mechanism adopts based on the type of drive of leading screw assembly first, transmission precision can reach 0.1mm, adopt little space layout scheme, the volume of the adjustable distortion simulation device of this transmission mechanism of application is significantly reduced, and ensure that spatial positioning accuracy and the displacement accuracy of simulation plate simultaneously. The adjustable distortion simulation device of the adjustable distortion simulation device according to the present invention, it is achieved that volume is little, the function of precision height, location standard, and structure is simple, is easy to demolition and maintenance. This invention can be applicable in the middle of the application of various adjustable distortion simulation device, and may extend in the middle of the design of other transmission mechanism, has a extensive future.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage from accompanying drawing below combining to the description of embodiment becoming obviously and it should be readily understood that wherein:
Fig. 1 is the schematic diagram of the transmission mechanism of adjustable pressure distortion simulation device according to embodiments of the present invention;
Fig. 2 is the vertical view of the transmission mechanism shown in Fig. 1;
Fig. 3 is the side-view of the transmission mechanism shown in Fig. 1;
Fig. 4 is the leading screw assembly connection diagram of the transmission mechanism shown in Fig. 1;
Fig. 5 is the motor connection diagram of the transmission mechanism shown in Fig. 1;
Fig. 6 is the worm component connection diagram of the transmission mechanism shown in Fig. 1;
Fig. 7 is the bevel gear assembly of the transmission mechanism shown in Fig. 1, limit assembly, displacement sensor connection diagram.
Reference numeral:
1. casing; 100. operating cavity rooms; 2. leading screw; 3. tail rod;
4. distortion simulation plate assembly; 5. feed screw nut; 6. side step cover;
7. sealing cover on the upside of; 8. worm component; 9. the first cone gear; 10. the 2nd cone gear;
11. displacement sensors; 12. shaft block rings; 13. magnet ring supports;
14. limit switch brackets; 15. limit switches;
16. linear bearingss; 17. disc springs; 18. lower ball covers;
19. turbines; 20. flat keys; 21. stroke probes;
22. keys; 23.O type packing ring; 24. first deep groove ball bearings; 25. angular contact ball bearings;
26. head bearing lids; 27. nuts; 28. gear shafts;
29. motor mounting flanges; 30. motors; 31. sealing-rings;
32. sealed strips; 33. the 2nd deep groove ball bearings
Embodiment
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish. It is exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and limitation of the present invention can not be interpreted as.
In describing the invention, it will be appreciated that, term " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position are closed is based on orientation shown in the drawings or position relation, it is only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention. In addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit comprise one or more these features. In describing the invention, unless otherwise explanation, the implication of " multiple " is two or more.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands above-mentioned term concrete implication in the present invention.
The transmission mechanism of adjustable pressure distortion simulation device according to embodiments of the present invention is described, for mobile distortion simulation plate assembly 4 in fanjet stability test below with reference to Fig. 1-Fig. 7.
The transmission mechanism of the adjustable pressure distortion simulation device of embodiment according to a first aspect of the present invention, comprising: stepper-motor 30, first cone gear 9, the 2nd cone gear 10, worm component 8, leading screw 2, feed screw nut 5, tail rod 3.
As shown in Fig. 1-Fig. 7, the first cone gear 9 is connected with stepper-motor 30 and drives by stepper-motor 30, and the 2nd cone gear 10 coordinates with the first cone gear 9. Worm component 8 is connected with the 2nd cone gear 10 and is synchronized with the movement with the 2nd cone gear 10, and leading screw 2 passes through worm gear 19 transmission by worm component 8. Feed screw nut 5 is engaged on leading screw 2, tail rod 3 is parallel with leading screw 2, and be connected with distortion simulation plate assembly 4 by removable the linear bearings 16 being set on tail rod 3, when leading screw 2 rotates, feed screw nut 5 drives linear bearings 16 and distortion simulation plate assembly 4 to move up and down.
Thus, in process of the test, stepper-motor 30 drives the first cone gear 9 by gear shaft 28, first cone gear 9 drives worm component 8 by the 2nd cone gear 10, worm component 8 is by worm gear 19 rotational lead screw 2, and leading screw 2 drives distortion simulation plate assembly 4 to carry out upper and lower translational motion by feed screw nut 5. Therefore, transmission mechanism according to embodiments of the present invention, structure is reliable, and spatial volume is little, displacement accuracy height, work reliability are strong.
According to some embodiments of the present invention, leading screw 2 is two and is spaced apart from each other on horizontal direction (i.e. direction, left and right in Fig. 1), and tail rod 3 is for be spaced apart from each other two and arranges adjacent to two leading screws 2 respectively. Further, the quantity of linear bearings 16 is four and is located on two tail rods 3 respectively between two, and wherein the feed screw nut 5 on leading screw 2 and the linear bearings 16 being positioned at top on corresponding tail rod 3 connect. Preferably, the feed screw nut 5 on leading screw 2 and the linear bearings 16 being positioned at top on corresponding tail rod 3 are integrally formed.
Motor 30 drives the first cone gear 9 by the gear shaft 28 being connected on its motor shaft. Gear shaft 28 is fixed by key 22 and the first cone gear 9. Sealed by sealing-ring 31 between motor 30 and gear shaft 28. Gear shaft 28 is arranged with the 2nd deep groove ball bearing 33.
Thus, the transmission mechanism of adjustable pressure distortion simulation device according to embodiments of the present invention, has the following advantages:
(1) little space structure topological design
This transmission mechanism is applied to a kind of adjustable distortion simulation device, primarily of part compositions such as electric machine assembly, worm component, leading screw assembly, bearing, tail rods, by the design optimization to spare part, the vertical height of transmission mechanism 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 transmission mechanism carries out transmission adjustment by motor frequency conversion assembly, worm component, the big assembly of leading screw tail rod assembly three, it is achieved that low-speed propulsion, shrink back function and the displacement accuracy height of this transmission mechanism fast, can control plate and stop in any mid-way.
(3) spatial positioning of plate at pipe interior is simulated
The aerodynamic force of pipe interior air-flow is adjusted, adopts rolling bearing and tail rod assembly to realize the axis of simulation plate and radial location, ensure the verticality of plate, even if ensureing that under the limiting case flowing maximum duty simulation plate can not be subjected to displacement change.
A kind of adjustable pressure distortion simulation device of embodiment according to a second aspect of the present invention, comprising: the transmission mechanism of casing 1 and the adjustable pressure distortion simulation device according to the above-mentioned first aspect embodiment of the present invention. As shown in Figure 1, operating cavity room 100 is limited in casing 1. This transmission mechanism is located in operating cavity room 100, and wherein leading screw 2 and tail rod 3 are vertically located in casing 1 respectively.
As shown in Figure 1, the bottom of tail rod 3 is connected on the diapire of operating cavity room 100 by disc spring. As shown in Figure 2 and Figure 6, worm component 8 is fixed with the 2nd cone gear 10 and is connected with casing 1 by the first deep groove ball bearing 24.
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 extends downwards from the top of operating cavity room 100, and limit switch 15 is located on limit switch bracket 14 and contiguous distortion simulation plate assembly 4 is arranged. Preferably, limit switch 15 comprises two, two limit switches 15 vertically between separate and be respectively used to limit distortion simulation plate assembly 4 motion the upper limit and lower limit.
As shown in Figure 1, adjustable pressure distortion simulation device can also comprise displacement sensor 11, and displacement sensor 11 is connected to the top of operating cavity room 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 30 is mounted on casing 1 by motor mounting flange 29, and is sealed by sealed strip 32.
As shown in Figure 1, adjustable pressure distortion simulation device can also comprise: head bearing lid 26, lower ball cover 18 and side step cover 6, wherein the upper end of leading screw 2 is connected with angular contact ball axle and is fixed by nut with head bearing lid 26, lower ball cover 18 is located between the bottom of leading screw 2 and the diapire of operating cavity room 100, and side step cover 6 is connected sealing by screw and O type packing ring with casing 1.
Adjustable distortion simulation device according to the present invention, owing to its transmission mechanism adopts based on the type of drive of leading screw assembly first, transmission precision can reach 0.1mm, adopt little space layout scheme, the volume of the adjustable distortion simulation device of this transmission mechanism of application is significantly reduced, and ensure that spatial positioning accuracy and the displacement accuracy of simulation plate simultaneously. The adjustable distortion simulation device of the adjustable distortion simulation device according to the present invention, it is achieved that volume is little, the function of precision height, location standard, and structure is simple, is easy to demolition and maintenance. This invention can be applicable in the middle of the application of various adjustable distortion simulation device, and may extend in the middle of the design of other transmission mechanism, has a extensive future.
Specifically, with reference to figure 1-Fig. 7, the 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 tail rod 3, it is inner that tail rod 3 is fixed on casing 1, feed screw nut 5 and linear bearings 16 are fixed on distortion simulation plate assembly 4, it is connected with tail rod 3 by 4 linear bearings 16 distortion simulation devices, it is connected with leading screw 2 by two feed screw nut 5 distortion simulation device plates, the upper end of leading screw 2 is connected with angular contact ball bearing 25 to be fixed by head bearing lid 26 and nut 27, top cover labyrinth 7 is connected with casing 1 by screw and the 2nd sealing-ring, worm component 8 is connected with casing 1 by the first deep groove ball bearing 24 with the 2nd cone gear 10 is fixing, side step cover 6 is connected sealing by screw and O type packing ring 23 with casing 1, motor 30 is connected with gear shaft 28 and is sealed by sealing-ring 31, 2nd deep groove ball bearing 33 is enclosed within gear shaft 28, motor mounting flange 29 connects motor 31 and casing 1 is sealed by sealed strip 32, gear shaft 28 is fixed by key 22 and the first cone gear 9.
In process of the test, stepper-motor 30 drives the first cone gear 9 by gear shaft 28, first cone gear 9 drives worm component 8 by the 2nd cone gear 10, and worm component 8 is by worm gear 19 rotational lead screw 2, and leading screw 2 drives distortion simulation plate assembly 4 to carry out upper and lower translational motion by feed screw nut 5. The upper limit and the lower limit of distortion simulation plate assembly 4 stroke are limited by 15 limit switches, and the displacement amount of distortion simulation plate assembly 4 is obtained by displacement sensor 11.
In the description of this specification sheets, at least one embodiment that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained in the present invention in conjunction with concrete feature, structure, material or feature that this embodiment or example describe or example. In this manual, the schematic representation of above-mentioned term is not necessarily referred to identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although it has been shown and described that embodiments of the invention, it will be understood by those skilled in the art that: these embodiments can be carried out multiple change, amendment, replacement and modification when not departing from principle and the objective of the present invention, the scope of the present invention by claim and etc. jljl limit.
Claims (16)
1. a transmission mechanism for adjustable pressure distortion simulation device, for mobile distortion simulation plate assembly, it is characterised in that, comprising:
Stepper-motor;
First cone gear, described first cone gear is connected with described stepper-motor and by described driving stepper motor;
2nd cone gear, described 2nd cone gear coordinates with described first cone gear;
Worm component, described worm component is connected with described 2nd cone gear and moves with described plug tap gear synchronous;
Leading screw, described leading screw passes through worm-gear drive by described worm component;
Feed screw nut, described feed screw nut is engaged on described leading screw; And
Tail rod, described tail rod is parallel with described leading screw, and be connected with described distortion simulation plate assembly by removable the linear bearings being set on described tail rod, during described screw turns, described feed screw nut drives described linear bearings and described distortion simulation plate assembly to move up and down.
2. the transmission mechanism of adjustable pressure distortion simulation device according to claim 1, it is characterised in that, described leading screw is two and is spaced apart from each other in a lateral direction, and described tail rod is two be spaced apart from each other and arranges adjacent to described two leading screws respectively.
3. the transmission mechanism of adjustable pressure distortion simulation device according to claim 2, it is characterized in that, the quantity of described linear bearings is four and is located on described two tail rods respectively between two, and the feed screw nut on wherein said leading screw and the linear bearings being positioned at top on corresponding tail rod connect.
4. the transmission mechanism of adjustable pressure distortion simulation device according to claim 3, it is characterised in that, the feed screw nut on described leading screw and the linear bearings being positioned at top on corresponding tail rod are integrally formed.
5. the transmission mechanism of adjustable pressure distortion simulation device according to claim 1, it is characterised in that, described motor drives described first cone gear by the gear shaft being connected on its motor shaft.
6. the transmission mechanism of adjustable pressure distortion simulation device according to claim 5, it is characterised in that, described gear shaft is fixed by key and described first cone gear.
7. the transmission mechanism of adjustable pressure distortion simulation device according to claim 6, it is characterised in that, sealed by sealing-ring between described motor and described gear shaft.
8. the transmission mechanism of adjustable pressure distortion simulation device according to claim 6, it is characterised in that, described gear shaft is arranged with the 2nd deep groove ball bearing.
9. an adjustable pressure distortion simulation device, it is characterised in that, comprising:
Casing, limits operating cavity room in described casing;
The transmission mechanism of the adjustable pressure distortion simulation device according to any one of claim 1-8, it is indoor that described transmission mechanism is located at described operating cavity, and wherein said leading screw and described tail rod are vertically located in described casing respectively.
10. adjustable pressure distortion simulation device according to claim 9, it is characterised in that, the bottom of described tail rod is connected on the diapire of described operating cavity room by disc spring.
11. adjustable pressure distortion simulation devices according to claim 9, it is characterised in that, described worm component is fixed with described 2nd cone gear and is connected with described casing by the first deep groove ball bearing.
12. adjustable pressure distortion simulation devices according to claim 9, it is characterised in that, also comprise limit switch assembly, described limit switch assembly comprises:
Limit switch bracket, described limit switch bracket extends downwards from the top of described operating cavity room;
Limit switch, described limit switch is located on described limit switch bracket and contiguous described distortion simulation plate assembly is arranged.
13. adjustable pressure distortion simulation devices according to claim 12, it is characterised in that, described limit switch comprises two, described two limit switches vertically between separate and be respectively used to limit the upper limit and the lower limit of described distortion simulation plate component movement.
14. adjustable pressure distortion simulation devices according to claim 9, it is characterised in that, also comprise:
Displacement sensor, institute's displacement sensors is connected to the top of described operating cavity room for measuring the mobile displacement of described distortion simulation plate assembly.
15. adjustable pressure distortion simulation devices according to claim 9, it is characterised in that, also comprise motor mounting flange, motor is mounted on described casing by described motor mounting flange, and is sealed by sealed strip.
16. adjustable pressure distortion simulation devices according to claim 9, it is characterised in that, also comprise:
Head bearing lid, the upper end of wherein said leading screw is connected with angular contact ball axle and is fixed by nut with head bearing lid;
Lower ball cover, described lower ball cover is located between the bottom of described leading screw and the diapire of described operating cavity room;
Side step cover, described side step cover is connected sealing by screw and O type packing ring with described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452006.8A CN103471850B (en) | 2013-09-27 | 2013-09-27 | Adjustable pressure distortion simulation device and transmission mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452006.8A CN103471850B (en) | 2013-09-27 | 2013-09-27 | Adjustable pressure distortion simulation device and transmission mechanism thereof |
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| CN103471850A CN103471850A (en) | 2013-12-25 |
| CN103471850B true CN103471850B (en) | 2016-06-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404407B (en) * | 2016-10-20 | 2018-08-14 | 北京动力机械研究所 | Adjustable fanning strip flow distortion simulator |
| CN112117522B (en) * | 2020-08-20 | 2024-06-04 | 北京特种机械研究所 | Large-tonnage servo lifting electric mechanism |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1961315A (en) * | 1928-10-29 | 1934-06-05 | Henry & Maurice Farman | Testing plant for internal combustion engines |
| CN202305215U (en) * | 2011-10-14 | 2012-07-04 | 桑增产 | System for testing pressure distortion characteristic of air compressor of turbine shaft engine |
| CN202770633U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Transmission mechanism used for cold test of engine |
| CN202793796U (en) * | 2012-09-28 | 2013-03-13 | 中航商用航空发动机有限责任公司 | Actuating device of intake pressure distortion baffle and intake pressure distortion test equipment |
-
2013
- 2013-09-27 CN CN201310452006.8A patent/CN103471850B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1961315A (en) * | 1928-10-29 | 1934-06-05 | Henry & Maurice Farman | Testing plant for internal combustion engines |
| CN202305215U (en) * | 2011-10-14 | 2012-07-04 | 桑增产 | System for testing pressure distortion characteristic of air compressor of turbine shaft engine |
| CN202770633U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Transmission mechanism used for cold test of engine |
| CN202793796U (en) * | 2012-09-28 | 2013-03-13 | 中航商用航空发动机有限责任公司 | Actuating device of intake pressure distortion baffle and intake pressure distortion test equipment |
Non-Patent Citations (4)
| Title |
|---|
| 一种进气道流场畸变模拟装置的研究;余安远 等;《航空动力学报》;20010430;第16卷(第02期);第123-127页 * |
| 压力畸变对涡扇发动机稳定性影响的试验;陈玉春 等;《推进技术》;20020430;第23卷(第02期);第146-149页 * |
| 可移动插板式压力畸变发生器的设计与试验;顾卫群 等;《燃气涡轮试验与研究》;20060228;第19卷(第01期);第54-58页 * |
| 涡轮喷气发动机抗畸变流场模拟试验研究;陆传华 等;《推进技术》;20011231;第22卷(第06期);第464-472页 * |
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| CN103471850A (en) | 2013-12-25 |
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