CN2527992Y - Automobile power assembly center-of-mass and inertia testboard - Google Patents
Automobile power assembly center-of-mass and inertia testboard Download PDFInfo
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- CN2527992Y CN2527992Y CN 02209758 CN02209758U CN2527992Y CN 2527992 Y CN2527992 Y CN 2527992Y CN 02209758 CN02209758 CN 02209758 CN 02209758 U CN02209758 U CN 02209758U CN 2527992 Y CN2527992 Y CN 2527992Y
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Abstract
The utility model relates to an automotive power assembly mass-center and inertia moment test table which is designed according to compound pendulum principle and the substantial structure of power assembly. The automotive power assembly mass-center and inertia moment test table comprises the following: support racks, a bearing track, a pendulum table, a pillar, a limiter, an additional mass reservoir, an optical projecting system, a period meter, and a chassis, rotary shaft is horizontal blade-edge form, and has simple structure, strong bearing force, and small resistance, universe shaft is added so as to pass any point of power assembly, the shaft in any direction becomes horizontal and is parallel with the connection line between two blade edges. The center lines of the connection holes of two support racks i.e power assembly crankshaft center line are defined as the universe shaft, a vertical shaft i.e earth shaft is provided between the bearing track and the pendulum table. The utility model has the advantages of simple structure, convenient operation, and brief measurement.
Description
(1) technical field
The utility model is a kind of automobile power assembly barycenter and inertia square test board, is used for each parts of testing automobile, each big assembly parameter.
(2) background technology
Automobile industry development is to today, its design and test have entered quantization stage, digital computation is inevitable, therefore the accurate measurement of the multiple parameter of each parts of automobile even each big assembly has put on the agenda, and it is just even more important to resemble the inertial parameter of the such vitals of power assembly.Yet because its weight is big, complex structure is afraid of to knock and is afraid of to bump, even general lifting, put and all be careful cautiously, in addition to measure needs and shows various " postures " in order to satisfy, and also will carry out suitable torsional movement, so its parameter measurement is just more difficult.
The inertial parameter of automobile power assembly has ten usually: and the coordinate of mass M, barycenter C (Xc, Yc, Zc), inertia square I (Ixx, Iyy, Izz, Ixy, Iyz, Ixz).Quality asks method much also to be not difficult.Barycenter asks method also a lot of as platform scale method, suspension method etc., and difficulty is not very big, but pretty troublesome.Survey the power assembly barycenter as suspension method, be skillfully constructed, method is simple, and precision is also high.But need certain hoisting device, and the tester will work under the situation of power assembly suspention, people, machine are all experiencing suitable danger, and the cycle of measurement also dislikes long.As for the measurement of inertia square, method is a lot of theoretically, as rocks method, physical pendulum method etc., and difficulty is very big but practice is got up.As rock method, simple in structure.A suspension bracket, three ropes (referring to three string pendulums), a hanging scaffold, but require the testee barycenter during test by hanging scaffold central vertical line, and to show six kinds of postures, and can infer, realize that testee all will occupy stably on the hanging scaffold that comes sling by three lines in six kinds of postures, the barycenter that also will guarantee it with rock central shaft and overlap, particularly resemble the such complex structure of power assembly, be afraid of to knock and be afraid of to bump the object that weight is big, realize that not only accurate the measurement is difficult to, and very dangerous.
(3) summary of the invention
The purpose of this utility model is exactly the deficiency at above-mentioned test desk, according to actual conditions and needs, utilizes the automobile power assembly barycenter and the inertia square test board of the concrete structure research and design of physical pendulum principle and power assembly.Characteristics of the present utility model are that power assembly once lifts nine inertia parameters of appearing on the stage and can once measure.
The utility model is simple in structure, and is easy to operate, measures easy.
The utility model is made up of following components: bracing frame, bearing track, set a table, column, limiter, additional mass storehouse, optical projection system, cycle instrument, pedestal.The additional mass storehouse is the known mass of being convenient to calculate of physical dimension, quality size, centroid position and inertia square, optical projection system by point instrumentation, vertical moving device, vertical moving device handle, move horizontally device, move horizontally the device handle and support is formed.This system is installed on the pedestal on the heel post by locating piece by support, point instrumentation has the cross coordinate, can be in closely (0.5M) focusing, it is installed on the vertical moving device, vertical moving device handle can drive point instrumentation lifting in vertical direction, the vertical moving device with move horizontally the device disjunctor, moving horizontally the device handle makes it can move and rotate along moving horizontally device again, the cycle instrument is movably, the cycle instrument can be placed on arbitrary end angle of pedestal, one photoelectric sensor is arranged on the cycle instrument, set a table and a pointer is installed on the position corresponding with photoelectric sensor, when setting a table swing, the position of photoelectric sensor monitoring pointer, the cycle instrument is noted down its hunting period, output test data, it is characterized by: setting a table is fixed on the pedestal, set a table and pedestal between a limiter is arranged, it is fixed on the pedestal, the swing arm of setting a table is provided with matrix edge of a knife seat, be combined into the physical pendulum balance staff with the convex edge of a knife on the column, column is fastened on the pedestal with pressing plate after adjusting, and pedestal is the iron bottom plate that has multiple tracks T type groove, so that realize test board flexible movement adjustment and fastening, be carved with index dial on the column, pointer is arranged in the swing arm,, on the center of setting a table, roller is installed in order to show the degree of test board balance, bearing track is installed on roller, and the two ends on bearing track are equipped with bearing support;
The limiter of automobile power assembly barycenter and inertia square test board, it is characterized by it is made up of gear, tooth bar, ladder block, upper bed-plate, lower bottom base, two tooth bars can make the ladder block synchronous backward at two ends move by gear, because the difference of ladder block position can form gap not of uniform size between setting a table, having limited sets a table topples over because of unbalance loading, and can making again sets a table freely swings in given safety clearance;
The roller of automobile power assembly barycenter and inertia square test board is characterized in that roller is made up of ball, round track, column, location lock, locatees with the multiple of 45.
(4) description of drawings
Fig. 1 is automobile power assembly barycenter and inertia square test board stereographic map.
Fig. 2 is automobile power assembly barycenter and inertia square test board limiter three-dimensional exploded view.
Fig. 3 is the three-dimensional face figure of automobile power assembly barycenter and inertia square test board roller.
Fig. 4 is automobile power assembly barycenter and inertia square test board optical projection system figure.
(5) specific embodiments
Describe the course of work of automobile power assembly barycenter and inertia square test board in detail below in conjunction with accompanying drawing.
Automobile power assembly barycenter and inertia square test board make full use of the bent axle of automobile power assembly and the principle that transmission shaft is same axis, connecting part at its two external part is connected on the bearing support 1, after fastening, power assembly just can be done rotation at any angle around this axis (celestial axis).After power assembly and two bearing supports 1 fuse,, can move freely at bearing track 2 by the roller under the bearing support 1 10, so that the change centroid position is adjusted balance, locking then.Bearing track 2 departments carrying and two effects of track.It with set a table vertical shaft 18 is arranged between 3, circuit orbit 17, ball 16 be connected with location lock 19.Bearing track 2 can carry automobile power assembly easily around vertical shaft 18 (bearing track 2 and 3 the vertical shaft of setting a table, the i.e. earth's axis), horizontally rotates at any angle, and according to actual needs of the present utility model, a rotational positioning that only needs to realize 45 ° of multiples gets final product.Set a table and 3 not only carry the load of bearing track 2, and be combined into the physical pendulum balance staff with the convex edge of a knife 28 on column 4 being provided with matrix edge of a knife seat 27 in its swing arm with top.Column 4 is fastened on the pedestal 9 with pressing plate 29 after adjusting.Pedestal 9 normally has the iron bottom plate of multiple tracks T type groove, so that can realize automobile power assembly barycenter and inertia square test board flexible movement adjustment and fastening.Column 4 and set a table 3 and be respectively equipped with pointer 30 and index dial is in order to the balanced degree of display system.For restricting vehicle power assembly barycenter and inertia square test board since undue unbalance loading cause overturning again specialized designs limiter 5, limiter 5 is fixed on the pedestal 9, it is made up of gear 12, tooth bar 13, ladder block 11, upper plate 15 and lower shoe 14.Two tooth bars 13 can make ladder block 11 synchronous backwards at two ends move by gear 12, limiter 5 working positions set a table 3 and pedestal 9 between, position difference by ladder block 11, can form gap not of uniform size setting a table 3, promptly having limited sets a table 3 topples over because of unbalance loading and to cause the accident, can making again sets a table 3 freely swings in given safety clearance, in order to adjustment.For the fast balance adjustment of realization system, again specialized designs additional mass storehouse 6, they not only are convenient to carrying, and their physical dimension, quality size, centroid position and inertia square all are that known being convenient to again calculated.What and position that so just can be by additional mass and use optical projection system 7 are asked the barycenter of automobile power assembly and are calculated.Optical projection system 7 by point instrumentation 20, vertical moving device 22, vertical moving device handle 25, move horizontally device 21, move horizontally device handle 24 and support 23 is formed.This system is installed on pedestal 9 one heel posts 4 by locating piece 26 by support 23.Point instrumentation 20 has the cross coordinate, can be in closely (0.5M) focusing, it is installed on the vertical moving device 22, vertical moving device 22 can drive point instrumentation 20 lifting in vertical direction, vertical moving device 25 with move horizontally device 21 disjunctors and can move and rotate along moving horizontally device 21 again, the working routine of optical projection system 7 is: by moving horizontally device 21 and vertical moving device 25 places suitable locus with point instrumentation 20 earlier; Point instrumentation 20 is transferred to level zero point, promptly in the point instrumentation 20 the vertical coordinate line just by two edge of a knife lines; Each one is screwed, the vertical coordinate line of point instrumentation 20 also just passes through the axis of automobile power assembly barycenter and inertia square test board at this moment, adjust again move horizontally device 21 just can be with the barycenter that obtains with additional mass method to any characteristic face projection of power assembly, thereby centroid position is noted.
After all adjustment are ready, give total system one disturbance, be that it along the edge of a knife axis swing a little takes place, with cycle instrument 8 noted the hunting period under each state then, just can obtain required inertia square by corresponding calculated again.
Claims (3)
1, automobile power assembly barycenter and inertia square test board are made up of following components: bracing frame (1), bearing track (2), set a table (3), column (4), limiter (5), additional mass storehouse (6), optical projection system (7), cycle instrument (8), pedestal (9), additional mass storehouse (6) is a physical dimension, the quality size, the mass of being convenient to calculate that centroid position and inertia square are known, optical projection system (7) are by point instrumentation (20), vertical moving device (22), vertical moving device handle (25), move horizontally device (21), moving horizontally device handle (24) and support (23) forms.This system is installed on the last heel post of pedestal (9) (4) by locating piece (26) by support (23), point instrumentation (20) has the cross coordinate, can be in closely (0.5M) focusing, it is installed on the vertical moving device (22), vertical moving device handle (25) can drive point instrumentation (20) lifting in vertical direction, vertical moving device (22) with move horizontally device (21) disjunctor, moving horizontally device handle (24) makes it can move and rotate along moving horizontally device (21) again, cycle instrument (8) is for movably, can be placed on arbitrary end angle of pedestal (9), the cycle instrument has a photoelectric sensor on (8), set a table and a pointer (30) is installed on (3) position corresponding with photoelectric sensor, when setting a table (3) swing, the position of photoelectric sensor monitoring pointer (30), cycle instrument (8) is noted down its hunting period, output test data, it is characterized by: set a table (3) are fixed on the pedestal (9), a limiter (5) is arranged setting a table between (3) and the pedestal (9), it is fixed on the pedestal (9), the swing arm of (3) of setting a table is provided with matrix edge of a knife seat (27), be combined into the physical pendulum balance staff with the convex edge of a knife (28) on the column (4), column (4) is fastened on the pedestal (9) with pressing plate (29) after adjusting, pedestal (9) is the iron bottom plate that has multiple tracks T type groove, column is carved with index dial on (4), pointer (30) is arranged in the swing arm, roller (10) is installed on the center of (3) of setting a table, bearing track (2) is installed on roller (10), and the two ends on bearing track (2) are equipped with bearing support (1);
2, the limiter (5) of automobile power assembly barycenter according to claim 1 and inertia square test board, it is characterized by it is made up of gear (12), tooth bar (13), ladder block (11), upper bed-plate (15), lower bottom base (14), two tooth bars (13) can make ladder block (11) synchronous backward at two ends move by gear (12), the difference of ladder block (11) position can form the gap between (3) setting a table, and set a table (3) freely swing in the safety clearance;
3, the roller (10) of automobile power assembly barycenter according to claim 1 and inertia square test board is characterized in that roller (10) is made up of ball (16), round track (17), vertical shaft (18), location lock (19), locatees with the multiple of 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209758 CN2527992Y (en) | 2002-01-14 | 2002-01-14 | Automobile power assembly center-of-mass and inertia testboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209758 CN2527992Y (en) | 2002-01-14 | 2002-01-14 | Automobile power assembly center-of-mass and inertia testboard |
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| CN2527992Y true CN2527992Y (en) | 2002-12-25 |
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| CN 02209758 Expired - Fee Related CN2527992Y (en) | 2002-01-14 | 2002-01-14 | Automobile power assembly center-of-mass and inertia testboard |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666698B (en) * | 2009-09-16 | 2011-01-05 | 上海交通大学 | Liftable knife edge and knife rest device for weight adjustment |
| CN101413840B (en) * | 2007-12-27 | 2011-05-11 | 奇瑞汽车股份有限公司 | Device and method for measuring object mass center |
| CN102628723A (en) * | 2012-04-19 | 2012-08-08 | 江苏大学 | Fowl egg mass center detecting method |
| CN103148984A (en) * | 2013-02-25 | 2013-06-12 | 北京科技大学 | Three-wire torsional pendulum method rigid body dynamic parameter test console |
| CN103364140A (en) * | 2013-07-12 | 2013-10-23 | 重庆科技学院 | Method for testing rotational inertia of motor vehicle assembly in dynamic and reverse mode without lifting |
| CN103499416A (en) * | 2013-09-28 | 2014-01-08 | 大连理工大学 | Quick monocular rotational inertia measuring method and quick monocular rotational inertia measuring device |
| CN103592077A (en) * | 2013-11-22 | 2014-02-19 | 长春孔辉汽车科技有限公司 | Automobile inertial parameter measurement test bed and automobile inertial parameter dynamic calculation method |
| CN103674427A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Testing host |
| CN103674421A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Pendulum shaft component and swing method |
| CN103674422A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Test bench |
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2002
- 2002-01-14 CN CN 02209758 patent/CN2527992Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413840B (en) * | 2007-12-27 | 2011-05-11 | 奇瑞汽车股份有限公司 | Device and method for measuring object mass center |
| CN101666698B (en) * | 2009-09-16 | 2011-01-05 | 上海交通大学 | Liftable knife edge and knife rest device for weight adjustment |
| CN102628723A (en) * | 2012-04-19 | 2012-08-08 | 江苏大学 | Fowl egg mass center detecting method |
| CN102628723B (en) * | 2012-04-19 | 2015-09-02 | 江苏大学 | A kind of birds, beasts and eggs center of mass determination method |
| CN103674421A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Pendulum shaft component and swing method |
| CN103674427B (en) * | 2012-08-30 | 2016-05-18 | 广州汽车集团股份有限公司 | A kind of Test Host |
| CN103674422A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Test bench |
| CN103674427A (en) * | 2012-08-30 | 2014-03-26 | 广州汽车集团股份有限公司 | Testing host |
| CN103148984A (en) * | 2013-02-25 | 2013-06-12 | 北京科技大学 | Three-wire torsional pendulum method rigid body dynamic parameter test console |
| CN103148984B (en) * | 2013-02-25 | 2015-04-01 | 北京科技大学 | Three-wire torsional pendulum method rigid body dynamic parameter test console |
| CN103364140A (en) * | 2013-07-12 | 2013-10-23 | 重庆科技学院 | Method for testing rotational inertia of motor vehicle assembly in dynamic and reverse mode without lifting |
| CN103499416A (en) * | 2013-09-28 | 2014-01-08 | 大连理工大学 | Quick monocular rotational inertia measuring method and quick monocular rotational inertia measuring device |
| CN103499416B (en) * | 2013-09-28 | 2015-10-28 | 大连理工大学 | A kind of monocular moment of inertia method for fast measuring and device |
| CN103592077A (en) * | 2013-11-22 | 2014-02-19 | 长春孔辉汽车科技有限公司 | Automobile inertial parameter measurement test bed and automobile inertial parameter dynamic calculation method |
| CN103592077B (en) * | 2013-11-22 | 2017-02-08 | 长春孔辉汽车科技股份有限公司 | Automobile inertial parameter measurement test bed and automobile inertial parameter dynamic calculation method |
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| C14 | Grant of patent or utility model | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |