CN2413264Y - Geometrical accuracy measuring device for guided missile antenna housing - Google Patents
Geometrical accuracy measuring device for guided missile antenna housing Download PDFInfo
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- CN2413264Y CN2413264Y CN 99213477 CN99213477U CN2413264Y CN 2413264 Y CN2413264 Y CN 2413264Y CN 99213477 CN99213477 CN 99213477 CN 99213477 U CN99213477 U CN 99213477U CN 2413264 Y CN2413264 Y CN 2413264Y
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- 238000006073 displacement reaction Methods 0.000 claims description 4
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- 238000001514 detection method Methods 0.000 abstract 1
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- 238000004519 manufacturing process Methods 0.000 description 4
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- 102000010029 Homer Scaffolding Proteins Human genes 0.000 description 2
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- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of a geometrical accuracy measuring device of a missile antenna housing, which is controlled by a microcomputer and composed of a measuring host machine body, a measuring detection device and a motion transmission device. The utility model is provided with two measuring stations which are a vertical structure, and two special process tools. The measuring host machine body is composed of a base, an upright post, a pair of measuring tongs, X directional and Z directional slide plates. The geometrical accuracy measuring device of a missile antenna housing is driven by a drive pair of a rolling lead screw, and has high precision and long service life. The geometrical accuracy measuring device of a missile antenna housing can be used for measuring contour shape and the shape position precision of an antenna housing, circle bouncing, end face bouncing and wall thickness. The utility model has the advantages of simple measurement and installation, convenient operation and high measurement precision. The measurement result can be output by the mode of data, two-dimension, and three-dimensional graphs.
Description
The utility model belongs to missile-borne radome geometric accuracy measurement mechanism field.
In the high-altitude missile field, extensively adopt active guidance technology, in active guidance technology, the active homer that is installed in nose of missile plays aiming location, the effect of captured target information in good time.Its launching electromagnetic wave and reception make missile control system adjust heading and speed from the echo of target in good time.Guided missile bears the gentle running load effect of huge gas shock in high-speed flight, fierce friction will produce the high heat of high temperature.The antenna house of being made by crisp hard materials such as quartz, potteries covers on the missile homer, plays the thermal insulation protection effect.The echo of target becomes the raw data of missile guidance analysis and judgement through being guided a sensor reception behind the antenna house.Therefore, the manufacturing accuracy of antenna house directly has influence on the pointing accuracy and the usability of guided missile.
The outer profile of antenna house is three-dimensional high order power curve form book wall part, and the hole depth footpath is little, accurately measures very difficult in the processing.Can accurately produce the given antenna house physical dimension shape of design, just become the gordian technique in the guided missile development.The measurement of antenna house geometric accuracy comprises that the outer profile accuracy of form and position, circle are beated, wall thickness and face runout.These measurements are normally carried out respectively in the prior art, and the wherein complicated outer profile accuracy of form and position is measured three-coordinates measuring machine commonly used and measured, troublesome poeration, and efficient is not high, and cost is higher.Wall thickness measuring also can adopt three-coordinates measuring machine, and profile size in measuring obtains wall thickness dimension indirectly through relatively calculating with outer profile.This method is measured to be needed repeatedly to install, and intermediate conversion links is many, and the measurement result precision is very low, is difficult to practicality.So the common practice is manually with clamp the antenna house local wall thickness to be got point sampling to measure, its result can not reflect true wall thickness exactly, thereby can not guarantee the manufacturing accuracy of wall thickness.At present, still do not have ready-made detecting instrument and can measure accurately, thereby restricted the raising of antenna house manufacturing accuracy, influenced the missile guidance quality it.
The purpose of this utility model is for solving above-mentioned the deficiencies in the prior art, inventing a kind of novel geometric accuracy measurement mechanism.Adopt computer control, have two to measure station on the machine, adopt special tooling, measurement is installed simple, and is easy to operate, uses reliable.Adopt ball-screw transmission and rolling guide transmission accuracy height, long service life.Measurement mechanism debugging and easy to maintenance, it is accurate, rapid, economical to measure.Measurement result can demonstrate two dimension or three-dimensional picture through data processing on computer display, directly perceived, understandable.According to measurement result antenna house is carried out finishing, can improve the manufacturing accuracy and the guidance performance of antenna house.
The technical solution adopted in the utility model is that missile-borne radome geometric accuracy measurement mechanism adopts system controlled by computer, is made up of measurement main body, measurement pick-up unit, motion gear.This device has special tooling [I] and special tooling [II] for two station vertical structures of measuring.The outer profile accuracy of form and position of measurement antenna house, circle are beated, the station of face runout is arranged in the right of device, and the station of wall-thickness measurement is arranged in the left side of device, sees accompanying drawing 1.Measuring main body is made up of to slide plate [22] to slide plate [38], Z pedestal [35], column [25], wall thickness measuring pincers [20], X.Measure pick-up unit by two photoelectricity horizontal metroscopes [19], [57], detect two linear grating chis of gauge head directions X and Z direction top offset and form with two photoelectric encoders [1] that measure gauge head θ bearing circle week angle (circumference calibration) on workpiece, [44].Motion gear is made up of servomotor, over-type worm gear pair, ball-screw pair or gear pair.
X is contained on the pedestal [35] to slide plate [38], column [25] is installed in X on slide plate, X passes through over-type worm gear pair [33] by the X that is installed on the pedestal to servomotor [32] to slide plate, [34] transmission ball-screw pair [40], [39] do moving of directions X, X to displacement by X to linear grating chi [36], [37] measure, Z is housed to slide plate [22] on the column [25], Z passes through over-type worm gear pair [29] by Z to servomotor [28] to slide plate, [30] transmission ball-screw pair [31] is rotated, Z direction slide plate is moved, Z to displacement measure to linear grating chi [26] [27] by Z.
Special tooling [I] is by taper tire [46], tubular shaft [48], and expansion link [51], the sphere tire [54] that floats is formed.Wherein the rotation of taper tire circumferencial direction obtains by being contained in servomotor [44] transmission gear transmission [45]/[43] on the pedestal [35].Tubular shaft [48] is contained in the taper tire endoporus by bearing [47], and the tubular shaft lower end is fixed on the pedestal, and the expansion link [51] that can outwards extend, shorten is housed in the endoporus of upper end.The position of expansion link on tubular shaft is by clamping screw [49], set nut [50] positioning and locking.The unsteady sphere tire [54] of the upper and lower elastic floating of energy is installed in the center pit of expansion link [51] upper end by spring [52].
Special tooling [II] is made up of counter center seat [3], work support [10], roller frame mechanism.Counter center seat [3] is contained on the axle of photoelectric encoder [1], is installed in the lower end of work support [10] by block bearing [2], and roller frame mechanism is equipped with in the upper end of work support [10].Roller frame mechanism is the symmetric form structure, is on the roller bracket [5] of 120 ° of angles support roller [6] is housed.
Measuring pliers [20] upper end is hinged on Z on slide plate by little axle [21], and measuring pliers can clockwise rotate around pin joint E, by ratchet [23], ratchet [24] location.The photoelectricity horizontal metroscope [19] of wall-thickness measurement is contained in the head of measuring pliers [20], measures that outer profile, circle are beated, the photoelectricity horizontal metroscope [57] of face runout is contained in and is fixed in the measuring instrument support [58] of Z on slide plate, by knob [59] location, locking.The direction conversion right angle gauge head [56] of measuring junction surface jitter also is equipped with in the lower end of measuring instrument support [58], and it can rotate counterclockwise the measuring junction surface jitter around locking knob [60] axis.
In the roller frame mechanism, can adjust the position of roller bracket [5] on work support [10].Adjusting mechanism is made up of twin worm axle [17], worm gear [16], leading screw [14], sees accompanying drawing 3.Twin worm axle [17] is contained on the quadra of work support [10] by bearing [18].Worm gear [16] with worm mesh is contained on leading screw [14] axle, and leading screw rotates and drives the roller frame move left and right, and is fixing by fixed head on the work support [12] and screw [13].
Two support rollers do not rotate when measuring, and when workpiece was carried out the circumference calibration, two support rollers can rotate.Rotate the man-operated mechanism of support roller and form, see accompanying drawing 4 by manual knob [11], over-type worm gear pair [9], [8], support roller [6], little axle [7].
During measurement, carry out the gabarit shape accuracy of form and position earlier and measure.Want before measuring prophet's road antenna cover outward on the profile theoretical contour with the coordinate figure of the series of discrete point of certain rule distribution, the actual coordinate value of the each point that measures is compared with the coordinate figure of corresponding known discrete point, just can obtain the relative deviation value, just can obtain the outer profile accuracy of form and position through data processing, error evaluation again.The big end of antenna house is installed to downwards on the special tooling [I], locatees by unsteady sphere tire [54] and taper tire [46] with wide face in the antenna house.Can be manually or automatically control adjust photoelectric photometry instrument [57] X to, Z to the position, make its with certain precompressed piezometric on the external profile surface of antenna house.Make progress along the bus point-to-point measurement from the big end of antenna house.Article one, after the bus measurement finished, antenna house rotated an angle θ, surveys another bus again, and is intact until whole surveys.
Taper tire [46] can drive workpiece and turn round continuously, and at this moment the photoelectricity horizontal metroscope can be measured circumference bus circle jitter values.
Utilize the direction on the measurement bracket to change the face runout that right angle gauge head [56] can be measured antenna house.Unclamp locking knob [60] earlier, rotate counterclockwise right angle gauge head [56], make it press to photoelectricity horizontal metroscope [57], manually or automatically control directions X and the Z direction position of adjusting photoelectricity horizontal metroscope [57], make another right angle contact of right angle gauge head press to the end face of antenna house, the taper tire drives workpiece and turns round continuously, can measure the face runout value.
The measurement of wall thickness is carried out on special tooling (II), the antenna house pointed end is installed between counter center seat [3] and two support rollers [6], utilize X that outer profile measures discrete point on the median generatrix to, Z to coordinate figure, adopt directly on the wide face normal direction of workpiece the method for wall-thickness measurement to measure.The position of adjusting measuring pliers [20] makes the measurement jaw of measuring pliers lower end, and an end contacts with wide face in the antenna house, and photoelectricity horizontal metroscope [19] is housed on the other end, and its gauge head contacts with external profile surface, is measured downwards by big end.Measuring pliers and Z be to the pin joint E of slide plate, in measurement by the orbiting motion that pre-sets.Measuring pliers can be around the E spot wobble in measurement because gauge head be contained in the perpendicular normal direction of point of contact, measured point tangent line on, gauge head in measurement all the time the normal direction along measuring point move, see accompanying drawing 1.Measuring pliers is along in the stroke of a bus measurement of antenna house, and the output on the measuring head is exactly the wall thickness deflection value of each point correspondence on this bus.Article one, the bus measurement finishes, and carries out calibration with man-operated mechanism, and workpiece rotates a θ angle to another bus, measures again, finishes until whole measurements.
The utility model has adopted special tooling, requires low to measurement environment.Measurement mechanism flexible good can adapt to maximum physical dimension φ 450mm * 1000mm and measure with the geometric accuracy of interior all kinds of antenna houses, the error analysis evaluation.Measure consuming time few, the efficient height.Measurement mechanism is simple in structure, and function is many, and usability is good, has realized the design of measuring basis and antenna house, and reference for assembling overlaps, so the measuring accuracy height, quality is good.
Accompanying drawing 1 is transmission, the structural representation of measurement mechanism.
Accompanying drawing 2 is side transmission, structural representations of measurement mechanism.
Accompanying drawing 3 is that the K of measurement mechanism looks office to the part.
Accompanying drawing 4 is that the M of measurement mechanism looks office to the part.
Wherein: I-special tooling, II-special tooling, 1-photoelectric encoder, the 2-bearing, the anti-dead head of 3-, the tested antenna house of 4-, the 5-roller bracket, 6-support roller, the little axle of 7-, the 8-worm gear, 9-worm screw, 10-work support, the 11-manual knob, 12-fixed head, 13-screw, the 14-leading screw, 15-block bearing, 16-worm gear, 17-twin-screw axle, 18-block bearing, 19-photoelectricity horizontal metroscope, the 20-measuring pliers, the little axle of 21-, 22-Z is to slide plate, the 23-ratchet, 24-ratchet, 25-column, 26,27-linear grating chi, 28-Z be to servomotor, the 29-worm screw, the 30-worm gear, the 31-leading screw, 32-X is to servomotor, the 33-worm screw, 34-worm gear, 35-pedestal, 36,37 linear grating chis, 38-X is to slide plate, 39-nut, 40-leading screw, the 41-photoelectric encoder, the 42-pinion wheel, the 43-gear wheel, 44-θ is to servomotor, the 45-gear, 46-taper tire, 47-bearing, 48-tubular shaft, the 49-clamping screw, the 50-set nut, 51-expansion link, 52-spring, the 53-bearing, the 54-sphere tire that floats, the tested antenna house of 55-, 56-right angle gauge head, 57-photoelectricity horizontal metroscope, 58-measuring instrument support, 59-locking knob, 60-locking knob.
Accompanying drawing 1 is an embodiment of the present utility model, its details of accompanying drawings.When measuring the outer profile of antenna house, earlier according to the setting height(from bottom) on the antenna house specification size adjustment special tooling (I).Unclamp set nut [50], adjust the length of expansion link [51] in tubular shaft [48], tighten set nut [50] after mixing up.The measurement of outer profile adopts the coordinate method to measure.Photoelectricity horizontal metroscope [57] is in the XOZ plane, and on tested antenna house surface, the measuring instrument support [58] that the photoelectricity horizontal metroscope is installed utilizes the motion of control servomotor [32], [38] respectively and obtains in the motion of directions X and Z direction with certain precompressed piezometric.The actual coordinate value of the outer profile each point that the photoelectricity horizontal metroscope is recorded is compared with the theoretical coordinate value of corresponding known point, just obtains the gabarit shape accuracy of form and position through data processing, error evaluation again.When measuring the wall thickness of antenna house, according to the position of antenna house specification adjustment support roller [6], to guarantee that the inclination angle is constant between antenna house center line and column axis.Utilize the man-operated mechanism shown in the accompanying drawing 3, hand-turning twin worm axle [17], worm gear [16], turn-screw [14] drive roller bracket [5] and move, and roller frame drives support roller and moves.After distance mixes up, tighten the screw [13] on the fixed head [12], roller bracket is fixed on the work support [10].Then antenna house is installed between counter center seat [3] and two support rollers and measures.Directly in the wide face normal direction of workpiece measuring method, the gauge head of measuring pliers is pressed on the antenna house inwall by deadweight during measurement in the measurement employing of antenna house wall thickness, and the gauge head of photoelectricity horizontal metroscope [19] remains with the antenna house outer wall and contacts.The motion of measuring pliers by X to Z to driven by servomotor, by the orbiting motion that pre-sets, when measuring a bus, the oscillating quantity that the measuring pliers that causes because of antenna house normal direction wall unevenness is even is ordered around E is the error amount of normal direction wall thickness.
In this example, outer profile measuring accuracy is ± 0.05mm that the wall thickness measuring precision is ± 0.01mm.
Claims (4)
1. a missile-borne radome geometric accuracy measurement mechanism adopts Industrial Computer Control, it is characterized in that by measuring main body, measure pick-up unit, motion gear is formed, this device is two station vertical structures of measuring, have special tooling [I] and special tooling [II], measure the outer profile accuracy of form and position of antenna house, circle is beated, the station of face runout is arranged in the right of device, the station of wall-thickness measurement is arranged in the left side of device, measure main body by pedestal [35], column [25], wall thickness measuring pincers [20], X is to slide plate [38], Z forms to slide plate [22], measure pick-up unit by two photoelectricity horizontal metroscopes [19], [57], detect two linear grating chis of gauge head directions X and Z direction top offset and measure two photoelectric encoders [1] of gauge head θ bearing circle week angle (circumference calibration) on workpiece, [44] form, motion gear is by servomotor, the over-type worm gear pair, ball-screw pair or gear pair are formed.
2. missile-borne radome geometric accuracy measurement mechanism as claimed in claim 1, it is characterized in that X is contained on the pedestal [35] to slide plate [38], column [25] is installed in X on slide plate, X passes through over-type worm gear pair [33] by the X that is installed on the pedestal to servomotor [32] to slide plate, [34] transmission ball-screw pair [40], [39] do moving of directions X, X to displacement by X to linear grating chi [36], [37] measure, Z is housed to slide plate [22] on the column [25], Z passes through over-type worm gear pair [29] by Z to servomotor [28] to slide plate, [30] transmission ball-screw pair [31] is rotated, Z direction slide plate is moved, Z to displacement measure to linear grating chi [26] [27] by Z;
Special tooling [I] is by taper tire [46], tubular shaft [48], expansion link [51], the sphere tire [54] that floats is formed, wherein the rotation of taper tire circumferencial direction obtains by being contained in servomotor [44] transmission gear transmission [45]/[43] on the pedestal [35], tubular shaft [48] is contained in the taper tire endoporus by bearing [47], the tubular shaft lower end is fixed on the pedestal, be equipped with and outwards extend in the endoporus of upper end, the expansion link [51] that shortens, the position of expansion link on tubular shaft is by clamping screw [49], set nut [50] positioning and locking is on the energy, the unsteady sphere tire [54] of following elastic floating is installed in the center pit of expansion link [51] upper end by spring [52];
Special tooling [II] is made up of counter center seat [3], work support [10], roller frame mechanism, counter center seat [3] is contained on the axle of photoelectric encoder [1], be installed in the lower end of work support [10] by block bearing [2], roller frame mechanism is equipped with in the upper end of work support [10], roller frame mechanism is the symmetric form structure, is on the roller bracket [5] of 120 ° of angles support roller [6] is housed;
Measuring pliers [20] upper end is hinged on Z on slide plate by little axle [21], measuring pliers can clockwise rotate around pin joint E, by ratchet [23], ratchet [24] location, the photoelectricity horizontal metroscope [19] of wall-thickness measurement is contained in the head of measuring pliers [20], measure that outer profile, circle are beated, the photoelectricity horizontal metroscope [57] of face runout is contained in and is fixed in the measuring instrument support [58] of Z on slide plate, by knob [59] location, locking.The direction conversion right angle gauge head [56] of measuring junction surface jitter also is equipped with in the lower end of measuring instrument support [58], and it can rotate counterclockwise the measuring junction surface jitter around locking knob [60] axis.
3. missile-borne radome geometric accuracy measurement mechanism as claimed in claim 1 or 2, it is characterized in that in the roller frame mechanism, can adjust the position of roller bracket [5] on work support [10], adjusting mechanism is made up of twin worm axle [17], worm gear [16], leading screw [14].Twin worm axle [17] is contained on the quadra of work support [10] by bearing [18], is contained on leading screw [14] axle with the worm gear [16] of worm mesh, and leading screw rotates and drives the roller frame move left and right, is fixed by fixed head on the work support [12] and screw [13].
4. missile-borne radome geometric accuracy measurement mechanism as claimed in claim 3 is characterized in that two support rollers can rotate.Rotating the man-operated mechanism of support roller is made up of manual knob [11], over-type worm gear pair [9], [8], support roller [6], little axle [7].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99213477 CN2413264Y (en) | 1999-06-22 | 1999-06-22 | Geometrical accuracy measuring device for guided missile antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99213477 CN2413264Y (en) | 1999-06-22 | 1999-06-22 | Geometrical accuracy measuring device for guided missile antenna housing |
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| CN2413264Y true CN2413264Y (en) | 2001-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 99213477 Expired - Lifetime CN2413264Y (en) | 1999-06-22 | 1999-06-22 | Geometrical accuracy measuring device for guided missile antenna housing |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909571A (en) * | 2011-08-03 | 2013-02-06 | 上海电气集团上海电机厂有限公司 | Method for machining rotary shaft of rotor |
| CN103925854A (en) * | 2014-04-03 | 2014-07-16 | 北京星航机电装备有限公司 | Method for horizontally measuring missiles on basis of three-dimensional coordinate transformation principle |
| CN104290006A (en) * | 2014-08-21 | 2015-01-21 | 上海无线电设备研究所 | Performance measuring and on-line correcting device and method for antenna housing |
| CN105651235A (en) * | 2014-12-30 | 2016-06-08 | 航天恒星科技有限公司 | Measurement method of radome inner outline type surface and apparatus thereof |
| CN106839984A (en) * | 2016-11-25 | 2017-06-13 | 中国电子科技集团公司第三十九研究所 | The method that antenna radiation characteristics are tested is realized using industrial photogrammetry method |
| CN109676545A (en) * | 2017-10-18 | 2019-04-26 | 航天特种材料及工艺技术研究所 | Positioning clamping device for tapered radome |
| CN110006339A (en) * | 2019-03-25 | 2019-07-12 | 北京卫星制造厂有限公司 | A kind of antenna reflector answers material die face precision on-position measure method and system |
| CN110470235A (en) * | 2019-08-05 | 2019-11-19 | 武汉科技大学 | Rocket cargo tank structure Light deformation detection device and method |
| CN110823044A (en) * | 2019-10-23 | 2020-02-21 | 湖南军成科技有限公司 | Jumping detection prototype and detection method |
| CN110871369A (en) * | 2019-11-29 | 2020-03-10 | 航天特种材料及工艺技术研究所 | Positioning device and machining method for thin-wall special-shaped ceramic radome |
| CN112082476A (en) * | 2020-08-31 | 2020-12-15 | 哈尔滨智达测控技术有限公司 | Small-size gear measuring center |
| CN112525020A (en) * | 2020-11-18 | 2021-03-19 | 中国人民解放军32181部队 | Shot rotating equipment |
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1999
- 1999-06-22 CN CN 99213477 patent/CN2413264Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909571A (en) * | 2011-08-03 | 2013-02-06 | 上海电气集团上海电机厂有限公司 | Method for machining rotary shaft of rotor |
| CN103925854A (en) * | 2014-04-03 | 2014-07-16 | 北京星航机电装备有限公司 | Method for horizontally measuring missiles on basis of three-dimensional coordinate transformation principle |
| CN104290006A (en) * | 2014-08-21 | 2015-01-21 | 上海无线电设备研究所 | Performance measuring and on-line correcting device and method for antenna housing |
| CN105651235A (en) * | 2014-12-30 | 2016-06-08 | 航天恒星科技有限公司 | Measurement method of radome inner outline type surface and apparatus thereof |
| CN105651235B (en) * | 2014-12-30 | 2018-08-21 | 航天恒星科技有限公司 | The measurement method and device in profile face in antenna house |
| CN106839984A (en) * | 2016-11-25 | 2017-06-13 | 中国电子科技集团公司第三十九研究所 | The method that antenna radiation characteristics are tested is realized using industrial photogrammetry method |
| CN109676545A (en) * | 2017-10-18 | 2019-04-26 | 航天特种材料及工艺技术研究所 | Positioning clamping device for tapered radome |
| CN110006339A (en) * | 2019-03-25 | 2019-07-12 | 北京卫星制造厂有限公司 | A kind of antenna reflector answers material die face precision on-position measure method and system |
| CN110006339B (en) * | 2019-03-25 | 2021-08-10 | 北京卫星制造厂有限公司 | Antenna reflector composite material mold surface precision in-situ measurement method and system |
| CN110470235A (en) * | 2019-08-05 | 2019-11-19 | 武汉科技大学 | Rocket cargo tank structure Light deformation detection device and method |
| CN110823044A (en) * | 2019-10-23 | 2020-02-21 | 湖南军成科技有限公司 | Jumping detection prototype and detection method |
| CN110871369A (en) * | 2019-11-29 | 2020-03-10 | 航天特种材料及工艺技术研究所 | Positioning device and machining method for thin-wall special-shaped ceramic radome |
| CN112082476A (en) * | 2020-08-31 | 2020-12-15 | 哈尔滨智达测控技术有限公司 | Small-size gear measuring center |
| CN112525020A (en) * | 2020-11-18 | 2021-03-19 | 中国人民解放军32181部队 | Shot rotating equipment |
| CN112525020B (en) * | 2020-11-18 | 2022-11-08 | 中国人民解放军32181部队 | Shot rotating equipment |
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