CN105136424A - Bent blade sliding block angle change device driven by gear and rack and angle change method - Google Patents
Bent blade sliding block angle change device driven by gear and rack and angle change method Download PDFInfo
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- CN105136424A CN105136424A CN201510445240.7A CN201510445240A CN105136424A CN 105136424 A CN105136424 A CN 105136424A CN 201510445240 A CN201510445240 A CN 201510445240A CN 105136424 A CN105136424 A CN 105136424A
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- tulwar
- slide block
- locking pin
- gear
- angle
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Abstract
The invention discloses a bent blade sliding block angle change device driven by a gear and a rack and an angle change method. When attach angle change is carried out by the traditional rotation balance experiment, manual operation difficulty is large, and equipment cost is high. A sliding block (7) is connected with a shaft (5) via a screw A (1); the shaft and a guider mounting seat (2) adopt shaft hole matching connection; a shaft sleeve (3) and a rolling column guider (4) are arranged on the shaft; the rolling column guider is fit with the front edge of a bent blade (8), and the contact distance is adjusted through a pad (6); a gear shaft (11) is connected with the sliding block via a bearing (14); the gear shaft is fixed on the sliding block via a locking nut (12) and a locking pad (13); the bent blade is connected with a rack (9) via a screw B (10); a locking pin (17) is arranged on the sliding block; a spring (16) is arranged on the locking pin; and a butterfly nut (15) is arranged at the outer side of the locking pin. The device and the method of the invention can be used for the rotation balance experiment.
Description
technical field:
the present invention relates to a kind of tulwar slide block variable-angle device based on gear-rack drive and angle changing method.
background technology:
tailspin is one of the most complicated state of flight of aircraft, be characterized in that the elevation angle is large, the radius of spin is little, turning rate is high, rate of sinking is fast, therefore when tailspin, the dynamic and manipulation of aircraft has a great difference with when usually flying, and as mishandling, may cause serious aircraft accident; In order to understand fully the essence of tailspin phenomenon, prevent aircraft from entering tailspin unexpectedly and guaranteeing to change safely, must further investigate the Tail chain of aircraft, due to tailspin move time, under aircraft is in large attack angle situation, effect flight force and moment is thereon nonlinear, and lengthwise movement is larger with the various sympathesiies of transverse movement, needs nonlinear mathematical model to describe; This brings very large difficulty in theory, and research is in the past subject to the restriction of experimental technique and computing technique, can only simplify mathematical model, is confined to the analysis of linear change; Current acquisition aircraft is vowing that around speed stablizing the comparatively ripe means of aerodynamic characteristic in rotary course is rotation balance test, the fundamental purpose of carrying out rotation balance test in wind-tunnel is exactly that rating model is when the different angle of attack and yaw angle, aerodynamic characteristic under wind axis makes constant speed rotation state with different rates, analysis and prediction for plane's trial spinning characteristic provides necessary Aerodynamic Coefficient, and the experiment of traditional rotary balance when becoming the angle of attack when carrying out manual operation difficulty very large, and equipment cost is high.
summary of the invention:
the object of this invention is to provide a kind of tulwar slide block variable-angle device based on gear-rack drive and angle changing method.
above-mentioned object is realized by following technical scheme:
a kind of tulwar slide block variable-angle device based on gear-rack drive, its composition comprises: slide block, described slide block is connected with axle by screw A, described axle and guides mount pad adopt shaft hole matching to be connected, axle sleeve and roller guide described axle be equipped with, described roller guide and the leading edge of tulwar are fitted, and by pad adjustment contact distance, gear shaft is connected with described slide block by bearing, by set nut and lock washer, described gear shaft is fixed on described slide block, described tulwar is connected with tooth bar by screw B, described slide block is equipped with locking pin, described locking pin is equipped with spring, outside described locking pin, wing nut is housed.
the described tulwar slide block variable-angle device based on gear-rack drive, described tulwar is provided with groove, and described tooth bar is arranged in described groove; Described tulwar is provided with pin-and-hole, and described locking pin extend in described pin-and-hole under the pressure of described spring.
the angle changing method of the described tulwar slide block variable-angle device based on gear-rack drive, slide block remain silent inner side on, form guidance set by roller guide, axle, guides mount pad, axle sleeve, pad and screw, roller guide and tulwar medial surface are fitted, and play the guiding role in angle process; The symmetrical both sides of slide block opening, form driven unit by gear shaft, bearing, lock washer and set nut, gear shaft be arranged in tulwar groove tooth bar engage, play transmission dynamic action in angle process; Slide block opening side, forms self-locking assembly by wing nut, locking pin, spring, and locking pin is pressed into inside tulwar in pin-and-hole by spring pressure in not angle process, plays locking protective action; Wing nut on slide block is rotated clockwise, locking pin leaves the pin-and-hole on tulwar, by the gear shaft on ratchet wrench turning block mechanism driven unit, the tooth bar engaged transmission on gear shaft and tulwar, simultaneously guidance set auxiliary under realize the change in angle of attack of mechanism.
beneficial effect:
1. slide block of the present invention remain silent inner side on, form guidance set by roller guide, axle, guides mount pad, axle sleeve, pad and screw, roller guide and tulwar medial surface are fitted, and play the guiding role in angle process; The symmetrical both sides of slide block opening, form driven unit by gear shaft, bearing, lock washer and set nut, gear shaft be arranged in tulwar groove tooth bar engage, play transmission dynamic action in angle process; Slide block opening side, forms self-locking assembly by wing nut, locking pin, spring, and locking pin is pressed into inside tulwar in pin-and-hole by spring pressure in not angle process, plays locking protective action; Wing nut on slide block is rotated clockwise, locking pin leaves the pin-and-hole on tulwar, by the gear shaft on ratchet wrench turning block mechanism driven unit, the tooth bar engaged transmission on gear shaft and tulwar, simultaneously guidance set auxiliary under realize the change in angle of attack of mechanism.
the present invention is a kind of for carrying out the special testing equipment of model aircraft rotation balance test system tulwar slide block angle in wind-tunnel, this mechanism has that compact conformation, processing charges are low, simple installation, the feature such as easy to use, is suitable for extensively promoting on rotary balance equipment.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is right views of accompanying drawing 1.
accompanying drawing 3 is vertical views of accompanying drawing 1.
accompanying drawing 4 is shaft side figures such as grade of accompanying drawing 1.
accompanying drawing 5 is I part partial enlarged drawings in accompanying drawing 3.
accompanying drawing 6 is II part partial enlarged drawings in accompanying drawing 3.
accompanying drawing 7 is III part partial enlarged drawings in accompanying drawing 2.
embodiment:
embodiment 1:
a kind of tulwar slide block variable-angle device based on gear-rack drive, its composition comprises: slide block 7, described slide block is connected with axle 5 by screw A1, described axle adopts shaft hole matching to be connected with guides mount pad 2, axle sleeve 3 and roller guide 4 described axle be equipped with, the leading edge of described roller guide and tulwar 8 is fitted, and adjust contact distance by pad 6, gear shaft 11 is connected with described slide block by bearing 14, by set nut 12 and lock washer 13, described gear shaft is fixed on described slide block, described tulwar is connected with tooth bar 9 by screw B10, locking pin 17 described slide block is equipped with, spring 16 described locking pin is equipped with, wing nut 15 is housed outside described locking pin.
embodiment 2:
the tulwar slide block variable-angle device based on gear-rack drive according to embodiment 1, described tulwar is provided with groove, and described tooth bar is arranged in described groove; Described tulwar is provided with pin-and-hole, and described locking pin extend in described pin-and-hole under the pressure of described spring.
embodiment 3:
a kind of angle changing method utilizing the tulwar slide block variable-angle device based on gear-rack drive described in embodiment 1-2, slide block remain silent inner side on, guidance set is formed by roller guide, axle, guides mount pad, axle sleeve, pad and screw, roller guide and tulwar medial surface are fitted, and play the guiding role in angle process; The symmetrical both sides of slide block opening, form driven unit by gear shaft, bearing, lock washer and set nut, gear shaft be arranged in tulwar groove tooth bar engage, play transmission dynamic action in angle process; Slide block opening side, forms self-locking assembly by wing nut, locking pin, spring, and locking pin is pressed into inside tulwar in pin-and-hole by spring pressure in not angle process, plays locking protective action; Wing nut on slide block is rotated clockwise, locking pin leaves the pin-and-hole on tulwar, by the gear shaft on ratchet wrench turning block mechanism driven unit, the tooth bar engaged transmission on gear shaft and tulwar, simultaneously guidance set auxiliary under realize the change in angle of attack of mechanism.
Claims (3)
1. the tulwar slide block variable-angle device based on gear-rack drive, its composition comprises: slide block, it is characterized in that: described slide block is connected with axle by screw A, described axle and guides mount pad adopt shaft hole matching to be connected, axle sleeve and roller guide described axle be equipped with, described roller guide and the leading edge of tulwar are fitted, and by pad adjustment contact distance, gear shaft is connected with described slide block by bearing, by set nut and lock washer, described gear shaft is fixed on described slide block, described tulwar is connected with tooth bar by screw B, described slide block is equipped with locking pin, described locking pin is equipped with spring, outside described locking pin, wing nut is housed.
2. the tulwar slide block variable-angle device based on gear-rack drive according to claim 1, it is characterized in that: described tulwar is provided with groove, described tooth bar is arranged in described groove; Described tulwar is provided with pin-and-hole, and described locking pin extend in described pin-and-hole under the pressure of described spring.
3. one kind utilizes the angle changing method of the tulwar slide block variable-angle device based on gear-rack drive described in claim 1-2, it is characterized in that: slide block remain silent inner side on, guidance set is formed by roller guide, axle, guides mount pad, axle sleeve, pad and screw, roller guide and tulwar medial surface are fitted, and play the guiding role in angle process; The symmetrical both sides of slide block opening, form driven unit by gear shaft, bearing, lock washer and set nut, gear shaft be arranged in tulwar groove tooth bar engage, play transmission dynamic action in angle process; Slide block opening side, forms self-locking assembly by wing nut, locking pin, spring, and locking pin is pressed into inside tulwar in pin-and-hole by spring pressure in not angle process, plays locking protective action; Wing nut on slide block is rotated clockwise, locking pin leaves the pin-and-hole on tulwar, by the gear shaft on ratchet wrench turning block mechanism driven unit, the tooth bar engaged transmission on gear shaft and tulwar, simultaneously guidance set auxiliary under realize the change in angle of attack of mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445240.7A CN105136424B (en) | 2015-07-27 | 2015-07-27 | Tulwar sliding block variable-angle device and angle changing method based on gear-rack drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445240.7A CN105136424B (en) | 2015-07-27 | 2015-07-27 | Tulwar sliding block variable-angle device and angle changing method based on gear-rack drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105136424A true CN105136424A (en) | 2015-12-09 |
| CN105136424B CN105136424B (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510445240.7A Active CN105136424B (en) | 2015-07-27 | 2015-07-27 | Tulwar sliding block variable-angle device and angle changing method based on gear-rack drive |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3816124A1 (en) * | 1988-05-11 | 1989-11-23 | Messerschmitt Boelkow Blohm | Wind-tunnel model carrier |
| RU87016U1 (en) * | 2009-03-26 | 2009-09-20 | Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") | DEVICE FOR MEASURING ANGULAR POSITION OF MODELS OF AIRCRAFT IN AERODYNAMIC PIPES |
| CN201625351U (en) * | 2009-07-21 | 2010-11-10 | 西安航天动力机械厂 | Source motion device of body Gamma knife |
| CN203414254U (en) * | 2013-07-24 | 2014-01-29 | 中国人民解放军空军工程大学 | Single-reflow closed-wind tunnel angle-of-attack mechanism |
| CN104359648A (en) * | 2014-10-17 | 2015-02-18 | 北京航天益森风洞工程技术有限公司 | Three-DOF (degree of freedom) angle-of-attack mechanism for hypersonic wind tunnel |
| CN204457661U (en) * | 2015-01-09 | 2015-07-08 | 成都久井抽前瞻科技有限公司 | A kind of horizontal planetary ring gear beam-pumping unit |
| CN204788885U (en) * | 2015-07-27 | 2015-11-18 | 中国航空工业集团公司哈尔滨空气动力研究所 | Tulwar slider becomes angle device based on rack and pinion drive |
-
2015
- 2015-07-27 CN CN201510445240.7A patent/CN105136424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3816124A1 (en) * | 1988-05-11 | 1989-11-23 | Messerschmitt Boelkow Blohm | Wind-tunnel model carrier |
| RU87016U1 (en) * | 2009-03-26 | 2009-09-20 | Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") | DEVICE FOR MEASURING ANGULAR POSITION OF MODELS OF AIRCRAFT IN AERODYNAMIC PIPES |
| CN201625351U (en) * | 2009-07-21 | 2010-11-10 | 西安航天动力机械厂 | Source motion device of body Gamma knife |
| CN203414254U (en) * | 2013-07-24 | 2014-01-29 | 中国人民解放军空军工程大学 | Single-reflow closed-wind tunnel angle-of-attack mechanism |
| CN104359648A (en) * | 2014-10-17 | 2015-02-18 | 北京航天益森风洞工程技术有限公司 | Three-DOF (degree of freedom) angle-of-attack mechanism for hypersonic wind tunnel |
| CN204457661U (en) * | 2015-01-09 | 2015-07-08 | 成都久井抽前瞻科技有限公司 | A kind of horizontal planetary ring gear beam-pumping unit |
| CN204788885U (en) * | 2015-07-27 | 2015-11-18 | 中国航空工业集团公司哈尔滨空气动力研究所 | Tulwar slider becomes angle device based on rack and pinion drive |
Non-Patent Citations (2)
| Title |
|---|
| 董宾 等: "《某型跨超声速风洞测力中部支架结构设计》", 《机械传动》 * |
| 邓忠林 等: "《DFD低速风洞α-β 机构设计研究》", 《沈阳航空工业学院学报》 * |
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| CN105136424B (en) | 2018-03-06 |
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