CN108760151B - Mass center rotational inertia comprehensive test tool - Google Patents
Mass center rotational inertia comprehensive test tool Download PDFInfo
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- CN108760151B CN108760151B CN201810934774.XA CN201810934774A CN108760151B CN 108760151 B CN108760151 B CN 108760151B CN 201810934774 A CN201810934774 A CN 201810934774A CN 108760151 B CN108760151 B CN 108760151B
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/10—Determining the moment of inertia
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of quality characteristic testing equipment, in particular to a comprehensive testing tool for mass and mass center rotational inertia, which comprises an inclined supporting seat and an air cylinder, wherein the air cylinder is connected with the inclined supporting seat through an air cylinder supporting seat arranged on the inclined supporting seat, and further comprises a semicircular tool support which is connected above the inclined supporting seat through a bearing, and a rotary lower disc which is fixedly arranged above the semicircular tool support through a screw; the cylinder supporting seat is connected with the rotary lower disc through a screw, and the semicircular tool support can rotate around the axis of the first rotary bearing under the pushing of the cylinder; the rotary lower disc is embedded with a plurality of second rotary bearings, and a rotary upper disc which can be driven by the second rotary bearings to rotate around the axis of the rotary lower disc and relative to the rotary lower disc is arranged above the rotary lower disc; the beneficial effects of the invention are as follows: the device can realize the one-time installation of parts on the tool, finish the measurement of mass, mass centers in all directions and rotational inertia, and has no need of reinstallation, shortens the measurement time and improves the measurement accuracy.
Description
Technical Field
The invention relates to the field of mass characteristic testing equipment, in particular to a mass center of mass and moment of inertia comprehensive testing tool.
Background
The quality characteristics are important parameters in the production, testing and running processes of aerospace, aviation and automobile parts, military industry, complete machines and the like, and along with the rapid development of aerospace and automobile industry, the testing process of the quality characteristics is required to improve the precision and reduce the times of installation and disassembly so as to improve the testing efficiency and the safety. However, the traditional quality characteristic test equipment is single in function, low in device efficiency, large in error and low in intelligent degree, multiple parameters such as mass, mass center position and rotational inertia can not be measured on one equipment at a time, the equipment structure is complex, in the test process, the test piece is required to be repeatedly installed and detached, the test efficiency is low, the precision of the quality parameters of the test piece is affected due to the fact that the precision of different test equipment is different, and potential safety hazards exist when the test piece is used in the aerospace industry, the automobile industry or the military industry.
Disclosure of Invention
In order to overcome the defects of large measurement error, low efficiency and single measurement method in the prior art, the invention provides a small-sized mass and mass center rotational inertia comprehensive test three-coordinate tool, and a test piece can be installed on a test bench at one time to automatically finish the measurement of the mass, the three-dimensional mass center and the rotational inertia of various spacecrafts, unmanned aerial vehicles, bullets, small-sized missiles and other parts, and the three-dimensional mass center and the rotational inertia in all directions are measured, so that the process of repeatedly installing, dismantling and measuring different parameters is omitted, the measurement precision is higher, and the tool is small in size and convenient to carry, and can be used for testing the mass center, the rotational inertia and other parameters of various small-sized parts in all directions at one time.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
A mass center of mass and rotational inertia comprehensive test tool comprises parts such as an air cylinder, an air cylinder supporting seat, an inclined supporting seat, a semicircular tool support, a rotary lower disc, a rotary upper disc and the like.
The inclined supporting seat consists of a cross-shaped bottom plate, three supporting columns and two bearing seats, and the bottom surface of the cross-shaped bottom plate is fixed on the ground through screws; wherein two first support columns, a second support column and two bearing frames are connected perpendicularly at cross bottom plate upper surface, are located cross four directions respectively, and wherein two first support columns are parallel to each other and are located same one side, set up with a second support column relatively, and two bearing frames are located two other directions respectively and set up relatively, and the bearing frame is used for installing semicircle frock support, and first support column and second support column are used for supporting semicircle frock support, and first support column is used for connecting cylinder and cylinder supporting seat.
On the basis of the technical scheme, the semi-circle tool support is located above the inclined support seat, a rotating shaft is arranged on the semi-circle tool support, and the rotating shaft is arranged in the bearing seat of the inclined support seat through two first rotating bearings, so that the semi-circle tool can rotate around the axis of the rotating shaft relative to the inclined support seat.
On the basis of the technical scheme, the air cylinder and the air cylinder supporting seat are connected through the pin shaft, the air cylinder supporting seat can rotate around the pin shaft relative to the air cylinder, the air cylinder and the air cylinder supporting seat are integrally connected with the inclined supporting seat through two steel plates, the two steel plates are fixedly connected with a first supporting column of the inclined supporting seat through screws, and meanwhile, the two steel plates are also connected with the air cylinder through screws.
On the basis of the technical scheme, the rotary lower disc is further arranged above the air cylinder supporting seat and the inclined supporting seat and is connected with the air cylinder supporting seat and the inclined supporting seat through screws, so that the air cylinder, the air cylinder supporting seat and the inclined supporting seat are all connected together, the semicircular tool support and the rotary lower disc are driven by the air cylinder to rotate from a horizontal state to an inclined state around the axis of the first rotary bearing, and the semicircular tool support can also rotate from the inclined state to the horizontal state around the axis of the first rotary bearing under the pulling of the air cylinder. In addition, a plurality of second rotary bearings are embedded in the rotary lower disc and are uniformly distributed along the circumferential direction of the rotary lower disc.
On the basis of the technical scheme, the rotary upper disc is arranged above the rotary lower disc, the rotary upper disc can rotate relative to the rotary lower disc around the axis of the rotary lower disc under the drive of the second rotary bearing, and the rotary lower disc and the rotary upper disc are clamped together through four protection brackets which are uniformly distributed on the circumferential side surface of the rotary lower disc, so that the rotary upper disc cannot slide out of the upper surface of the rotary upper disc when rotating relative to the rotary lower disc.
By adopting the technical scheme, the invention has the following beneficial effects:
Through the tilting rotation of semicircle frock support and the rotation of rotatory upper disc, can realize that spare part is installed on this frock once and is accomplished mass, X, Y, Z three direction barycenter and X, Y, Z three direction moment of inertia's measurement, and the measurement angle that inclines is big in mass barycenter and moment of inertia's measurement in-process need not to hoist again, leveling, counter weight. The error generated by the middle human intervention is reduced, and the adjustment and conversion in the whole test process are semi-automatic, so that the measurement time is greatly shortened, the safety coefficient is improved, the uniformity is good, the test periodicity is good, the universality is good, the whole tool is small in size, light in weight and convenient to carry, and meanwhile, higher measurement accuracy is achieved.
Drawings
FIG. 1 is an exploded view of a comprehensive test fixture for mass center of mass and moment of inertia in an embodiment of the invention;
FIG. 2 is a schematic view of the structure of the component 3 of FIG. 1;
fig. 3 is a schematic view of the structure of the component 4 in fig. 1.
In the above figures: 1-a cylinder; 2-cylinder support base; 3-tilting the supporting seat; 4-semicircle tool support; 5-rotating the lower disc; 6-rotating the upper disc; 7-a cross-shaped bottom plate; 8-a first support column; 9-a second support column; 10-bearing seats; 11-a first bottom plate; 12-a second floor; 13-a third floor; 14-a semicircular beam; 15-reinforcing ribs; 16-rotating shaft; 17-a first swivel bearing; 18-pin shafts; 19-steel plate; 20-a second swivel bearing; 21-a protective bracket.
Detailed Description
The technical scheme of the invention is further described by an embodiment with reference to fig. 1 to 3:
As shown in fig. 1-3, the technical scheme adopted by the invention is as follows: the utility model provides a mass center of mass moment of inertia comprehensive test fixture, including spare parts such as cylinder 1, cylinder supporting seat 2, slope supporting seat 3, semicircle frock support 4, rotatory lower plate 5, rotatory upper plate 6. The inclined supporting seat 3 consists of a cross-shaped bottom plate 7, two first supporting columns 8, a second supporting column 9 and two bearing seats 10, wherein the cross-shaped bottom plate 7 consisting of a first bottom plate 11, a second bottom plate 12 and a third bottom plate 13 is fixed on the ground through screws, and the first bottom plate 11 and the third bottom plate 13 are oppositely arranged and are respectively and vertically connected with the second bottom plate 12; the two first support columns 8, the second support columns 9 and the two bearing blocks 10 are perpendicular to the ground, namely are perpendicularly connected to the cross-shaped bottom plate 7, wherein the two first support columns 8 are parallel to each other and are perpendicularly connected to the first bottom plate 11, the second support columns 9 are perpendicularly connected to the third bottom plate 13, and the two bearing blocks 10 are oppositely connected to two ends of the second bottom plate 12.
The semicircular tool support 4 consists of two semicircular beams 14 which are bent into a semicircle and four reinforcing ribs 15, the two semicircular beams 14 are parallel to each other, the four reinforcing ribs 15 are respectively arranged from the left end to the right end of the semicircular beams 14 and are used for connecting the two semicircular beams 14, two ends of each reinforcing rib 15 are respectively connected with the two semicircular beams 14, four threaded holes are respectively formed in the planes of two ends of each semicircular beam 14, one hole is respectively formed in the middle of the outer side surface of each semicircular beam, two semicircular beams are connected in the holes of one rotating shaft 16, the axis of the rotating shaft 16 is perpendicular to the side surface of each semicircular beam 14, the semicircular tool support 4 is respectively inserted into the holes of the two bearing seats 10 on the inclined support seat 3 through the rotating shaft 16, and the rotating shaft 16 is connected with the bearing seats 10 through two first rotating bearings 17, so that the semicircular tool support 4 can rotate from a horizontal state to an inclined state or back to the horizontal state from the inclined state relative to the inclined support seat 3 around the axis of the first rotating bearings 17.
The cylinder 1 is connected with the cylinder supporting seat 2 through a pin shaft 18, the cylinder supporting seat 2 can rotate around the pin shaft 18 relative to the cylinder 1, the reciprocating motion of the cylinder piston can drive the cylinder supporting seat 2 to reciprocate together, four threaded holes are formed in the upper surface of the cylinder supporting seat 2, the cylinder 1 and the cylinder supporting seat 2 are integrally connected with the inclined supporting seat 3 through two steel plates 19, the two steel plates 19 are fixedly connected with the first supporting column 8 of the inclined supporting seat 3 through screws, and meanwhile the two steel plates 19 are also connected with the cylinder 1 through screws, so that the cylinder 1 and the cylinder supporting seat 2 are connected with the inclined supporting seat 3.
The rotary lower disc 5 is a circular annular component, the upper surface and the side surface of the rotary lower disc 5 are provided with a plurality of threaded holes, the threaded holes on the upper surface correspond to the threaded holes on the upper surface of the cylinder support seat 2 and the surfaces of the two ends of the semicircular beam 14 in the semicircular tool support 4, the rotary lower disc 5 is fixed above the cylinder support seat 2 and the semicircular tool support 4 through screws, in addition, four second rotary bearings 20 are embedded in the rotary lower disc 5, and the rotary lower disc is uniformly distributed every 90 degrees along the circumferential direction of the rotary lower disc 5; above the rotary lower disc 5 is a rotary upper disc 6 with a circular disc-shaped structure with the rotary lower disc, the diameter of the rotary upper disc 6 is the same as that of the rotary lower disc 5, and the circumferential edge of the rotary upper disc 6 is in a step shape.
Under the drive of the rotation of four second bearings 20, rotatory upper disc 6 can rotate for rotatory lower disc 5 around rotatory lower disc 5's axis, rotatory upper disc 5 upper surface has a plurality of screw holes, the test piece can pass through the fix with screw at rotatory upper disc 5's upper surface, connect through four protection support 21 that are located their circumferencial direction evenly distributed between rotatory lower disc 5 and the rotatory upper disc 6, every protection support 21 is the shape of falling L, the lower ladder upper surface of rotatory upper disc 6 is blocked to the face that its minor face is located, two holes of the surface that the long limit is located correspond with the screw hole of rotatory lower disc 5 side, install at rotatory lower disc 5's circumference side through the screw, the existence of four protection support 21 can prevent rotatory upper disc 6 when rotatory lower disc 5 rotates relatively. Through the connection, the cylinder 1, the cylinder supporting seat 2, the inclined supporting seat 3, the semicircular tool support 4, the rotary lower disc 5 and the rotary upper disc 6 are all connected together.
When the mass center horizontal test is carried out, the self-locking devices at all connecting parts are locked, the rotating upper disc 5, the rotating lower disc 6 and the semicircular tool support 4 are in a horizontal state, the left side of the semicircular tool support 4 is supported by the two first support columns 8 of the inclined support seat 3, a test piece is fixed on the upper surface of the rotating upper disc 5, a cylinder driving button is pressed to drive a cylinder piston to move upwards, the cylinder 1 pushes the semicircular tool support 4 to rotate around the axis of the rotating shaft 16 due to the fact that the cylinder 1, the cylinder support 2, the semicircular tool support 4, the rotating lower disc 5 and the rotating upper disc 6 are connected together, so that the semicircular tool support 4, the rotating lower disc 5 and the rotating upper disc 6 are pushed together to an inclined state and then stopped, the self-locking devices at all connecting parts are locked, the inclined test is carried out, the semicircular tool support 4, the rotating lower disc 5 and the rotating upper disc 6 can be pushed to different angles by different stretching amounts of the cylinder piston to carry out the inclined test, and when the inclined state is at the maximum angle, the rightmost side of the semicircular tool support 4 is supported by the second support column 9 of the inclined support seat 3; after the test is finished, the cylinder driving button is pressed down, the cylinder piston is driven to move back to drag the semicircular tool support 4, the rotary lower disc 5 and the rotary upper disc 6 back to a horizontal state, then the test is stopped, and the mass center test is finished.
When the moment of inertia test is carried out under the horizontal state, each connecting part self-locking device locks, the rotary upper disc 5, the rotary lower disc 6 and the semicircular tool support 4 are in the horizontal state, the left side of the semicircular tool support 4 is supported by the two first support columns 8 of the inclined support seat 3, a test piece is fixed on the upper surface of the rotary upper disc 5, and the test piece is measured by rotating the rotary upper disc 5 around the axis of the rotary lower disc 5 at 0 DEG, 45 DEG, 90 DEG, 180 DEG and 270 DEG in sequence, and the test is completed. If the moment of inertia test is to be performed in an inclined state, a cylinder driving button is pressed, a cylinder piston is driven to move upwards, the cylinder 1 pushes the semicircular tool support 4 to rotate around the axis of the rotating shaft 16, so that the semicircular tool support 4, the rotating lower plate 5 and the rotating upper plate 6 are pushed to be in an inclined state together and then stopped, each connecting part is locked by a self-locking device, the moment of inertia test in the inclined state is performed, 0 DEG, 45 DEG, 90 DEG, 180 DEG and 270 DEG are sequentially measured through rotating the rotating disc, the cylinder driving button is pressed after the test is completed, the cylinder piston is driven to move backwards, and the semicircular tool support 4 is pulled back to be in a horizontal state and then stopped, and the moment of inertia test is completed. The measurement of all quality parameters of the test piece in all directions is completed at one time through the actions.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and variations and modifications of the present invention, as well as dimensional changes, can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the invention is defined by the appended claims.
Claims (1)
1. The utility model provides a mass center of mass moment of inertia integrated test frock, includes cylinder (1), slope supporting seat (3), cylinder (1) are connected with slope supporting seat (3) through installing cylinder supporting seat (2) on slope supporting seat (3), its characterized in that, this frock still includes semicircle frock support (4) of being connected in slope supporting seat (3) top through two first swivel bearing (17), through rotatory chassis (5) of screw fixed mounting in semicircle frock support (4) top; the cylinder supporting seat (2) is connected with the rotary lower disc (5) through screws; the semicircular tool support (4) can rotate relative to the inclined support seat (3) and around the axis of the first rotary bearing (17) under the pushing of the air cylinder (1); a plurality of second rotary bearings (20) are embedded in the rotary lower disc (5), and a rotary upper disc (6) which can be driven by the second rotary bearings (20) to rotate around the axis of the rotary lower disc (5) and relative to the rotary lower disc (5) is arranged above the rotary lower disc;
a plurality of second rotary bearings (20) embedded in the rotary lower disc (5) are uniformly distributed along the circumferential direction of the rotary lower disc (5) respectively;
the rotary lower disc (5) and the rotary upper disc (6) are clamped together through four protection brackets (21) which are arranged on the circumferential side surface of the rotary lower disc (5) and are uniformly distributed;
The upper surface of the rotary upper disc (6) is provided with a plurality of threaded holes for installing test pieces;
the rotary upper disc (6) is of a circular disc-shaped structure, and the circumferential edge of the rotary upper disc is of a stepped shape;
the protection bracket (21) is in an inverted L shape, the surface of the short side of the protection bracket clamps the lower step surface of the rotary upper disc (6), two holes on the surface of the long side correspond to threaded holes on the side surface of the rotary lower disc (5), and the protection bracket is arranged on the circumferential side surface of the rotary lower disc (5) through screws;
The inclined supporting seat (3) consists of a cross-shaped bottom plate (7), two first supporting columns (8), one second supporting column (9) and two bearing seats (10), and the bottom surface of the cross-shaped bottom plate (7) is fixed on the ground through screws; the two first support columns (8) and the one second support column (9) are vertically connected to the upper surface of the cross-shaped bottom plate (7) and are respectively positioned in four directions of the cross shape, the two first support columns (8) are parallel to each other and positioned on the same side, are oppositely arranged with the second support columns (9), and the two bearing seats (10) are respectively positioned in the other two directions and are oppositely arranged;
The semicircular tool support (4) consists of two semicircular beams (14) which are bent into a semicircle shape and four reinforcing ribs (15), the two semicircular beams (14) are parallel to each other, the four reinforcing ribs (15) are respectively arranged from the left end to the right end of the semicircular beams (14) and are used for connecting the two semicircular beams (14), and the two ends of each reinforcing rib (15) are respectively connected with the two semicircular beams (14); four threaded holes are respectively formed in the two end planes of each semicircular beam (14), one hole is formed in the middle of the outer side face of each semicircular beam, a rotating shaft (16) is inserted into the holes to connect the two semicircular beams, the axis of the rotating shaft (16) is perpendicular to the side face of each semicircular beam (14), the semicircular tool support (4) is respectively inserted into the holes of two bearing seats (10) on the inclined support seat (3) through the rotating shaft (16), the rotating shaft (16) is connected with the bearing seats (10) through two first rotary bearings (17), and therefore the semicircular tool support (4) can rotate relative to the inclined support seat (3) around the axis of the first rotary bearings (17) from a horizontal state to an inclined state or rotate from the inclined state back to the horizontal state;
When the mass center horizontal test is carried out, each connecting part self-locking device is locked, the rotary upper disc (6), the rotary lower disc (5) and the semicircular tool support (4) are in a horizontal state, the left side of the semicircular tool support (4) is supported by two first support columns (8) of the inclined support seat (3), a test piece is fixed on the upper surface of the rotary upper disc (6), a cylinder driving button is pressed down, a cylinder piston is driven to move upwards, the cylinder (1), the cylinder support seat (2) and the semicircular tool support (4), the rotary lower disc (5) and the rotary upper disc (6) are connected together, the cylinder (1) pushes the semicircular tool support (4) to rotate around the axis of the rotary shaft (16), so that the semicircular tool support (4), the rotary lower disc (5) and the rotary upper disc (6) are pushed together to an inclined state, each connecting part self-locking device is locked, the inclined test is carried out, and the semicircular tool support (4), the rotary lower disc (5) and the rotary upper disc (6) can be pushed to different angles for inclined test, and the semicircular tool support (4) can be pushed to the right side of the semicircular tool support seat (3) to the largest angle; after the test is finished, a cylinder driving button is pressed down, a cylinder piston is driven to move back to drag the semicircular tool support (4), the rotary lower disc (5) and the rotary upper disc (6) back to be in a horizontal state, then the test is stopped, and the mass center test is finished;
When the moment of inertia test is carried out in a horizontal state, each connecting part is locked by a self-locking device, the rotary upper disc (6), the rotary lower disc (5) and the semicircular tool support (4) are in a horizontal state, the left side of the semicircular tool support (4) is supported by two first support columns (8) of the inclined support seat (3), a test piece is fixed on the upper surface of the rotary upper disc (6), and the rotary upper disc (6) rotates around the axis of the rotary lower disc (5) to sequentially measure 0 DEG, 45 DEG, 90 DEG, 180 DEG and 270 DEG, so that the test is finished; if the moment of inertia test is to be carried out in an inclined state, a cylinder driving button is pressed down to drive a cylinder piston to move upwards, a cylinder (1) pushes a semicircular tool support (4) to rotate around the axis of a rotating shaft (16), so that the semicircular tool support (4), a rotating lower disc (5) and a rotating upper disc (6) are pushed together to be in an inclined state and then stopped, each connecting part is locked by a self-locking device, the moment of inertia test in the inclined state is carried out, the rotating upper disc (6) rotates around the axis of the rotating lower disc (5), 0 DEG, 45 DEG, 90 DEG, 180 DEG and 270 DEG are measured sequentially, the cylinder driving button is pressed down to drive the cylinder piston to move backwards to drag the semicircular tool support (4) back to be in a horizontal state, and the moment of inertia test is completed; the measurement of all quality parameters of the test piece in all directions is completed at one time through the actions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934774.XA CN108760151B (en) | 2018-08-16 | 2018-08-16 | Mass center rotational inertia comprehensive test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934774.XA CN108760151B (en) | 2018-08-16 | 2018-08-16 | Mass center rotational inertia comprehensive test tool |
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| Publication Number | Publication Date |
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| CN108760151A CN108760151A (en) | 2018-11-06 |
| CN108760151B true CN108760151B (en) | 2024-04-19 |
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| CN201810934774.XA Active CN108760151B (en) | 2018-08-16 | 2018-08-16 | Mass center rotational inertia comprehensive test tool |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111307370A (en) * | 2020-03-19 | 2020-06-19 | 青岛航空技术研究院(中国科学院工程热物理研究所青岛研究中心) | Method for measuring rotational inertia of unmanned aerial vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603874A (en) * | 2009-07-23 | 2009-12-16 | 北京卫星制造厂 | A kind of three coordinate converting machine that is used for integrated testing of quality characteristics |
| JP2011220785A (en) * | 2010-04-08 | 2011-11-04 | National Maritime Research Institute | Measuring device and measuring method for product of inertia |
| CN104006922A (en) * | 2013-02-26 | 2014-08-27 | 广州汽车集团股份有限公司 | Rigid body rotary inertia test method |
| CN207036352U (en) * | 2017-05-28 | 2018-02-23 | 孝感市宝龙电子有限公司 | A kind of auto-manual system three coordinate converting machine |
| CN208588501U (en) * | 2018-08-16 | 2019-03-08 | 孝感市宝龙电子有限公司 | A kind of quality center of mass rotary inertia integration test tooling |
-
2018
- 2018-08-16 CN CN201810934774.XA patent/CN108760151B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603874A (en) * | 2009-07-23 | 2009-12-16 | 北京卫星制造厂 | A kind of three coordinate converting machine that is used for integrated testing of quality characteristics |
| JP2011220785A (en) * | 2010-04-08 | 2011-11-04 | National Maritime Research Institute | Measuring device and measuring method for product of inertia |
| CN104006922A (en) * | 2013-02-26 | 2014-08-27 | 广州汽车集团股份有限公司 | Rigid body rotary inertia test method |
| CN207036352U (en) * | 2017-05-28 | 2018-02-23 | 孝感市宝龙电子有限公司 | A kind of auto-manual system three coordinate converting machine |
| CN208588501U (en) * | 2018-08-16 | 2019-03-08 | 孝感市宝龙电子有限公司 | A kind of quality center of mass rotary inertia integration test tooling |
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