CN101526406A - Combined three-dimensional force and moment test board integrated device - Google Patents
Combined three-dimensional force and moment test board integrated device Download PDFInfo
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- CN101526406A CN101526406A CN200910066861A CN200910066861A CN101526406A CN 101526406 A CN101526406 A CN 101526406A CN 200910066861 A CN200910066861 A CN 200910066861A CN 200910066861 A CN200910066861 A CN 200910066861A CN 101526406 A CN101526406 A CN 101526406A
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Abstract
The invention relates to railway vehicle bogie parameter detection equipment; aiming at the technical status that dynamic performance can not be fully and accurately evaluated in the existing railway vehicle bogie parameter detection, the invention provides a combined three-dimensional force and moment test board integrated device; the device comprises a horizontal force-testing sensor (C) and a longitudinal force-testing sensor (E) which are respectively composed of two shear beam sensors (16) and a supporting part, and each two shear beam sensors (16) are respectively arranged on a bearing board symmetrically along the X and Y directions by a supporting part I; four shear beam sensors (16) which are vertical to a force-testing sensor mechanism (D) are respectively arranged at the four comers of the bearing board along the Z direction by a supporting part II, and an overturning moment testing mechanism (G) and an anti-overturning bolt mechanism (F) are arranged on the bearing board; the bearing board comprises a bearing cover board (A) and a bearing bottom plate (B) which are connected into one body by the anti-overturning bolt mechanism (F).
Description
Technical field
The present invention relates to rail vehicle steering frame parameter detection equipment, particularly relate to a kind of combined three-dimensional force, the test integrated device of moment.
Background technology
The foreign scholar has done many researchs to three-dimensional force, torque sensor, proposes and studied the three-dimensional force sensor of Stewart (Stewart) structure as people such as Kerr, Nguyen and Ferraresi, but its complex structure, the linearity is bad.Domestic also have some scholar's research three-dimensional force sensors, and have multinomial about patented technology, for example: six degree of freedom power and torque sensor (Chinese patent: CNZ165435Y), platform-type three-dimensional force sensor (the Chinese patent: CN1263259A) of integral pre-tightening, robot three-dimensional force and torque sensor (Chinese patent: CN2066134U), (number of patent application: 99102421.4), but the subject matter that these technology exist is the complex structure that has for a kind of three-dimensional force with elastic hinge and torque sensor, size is big, rigidity is low, demarcate difficulty, sensitivity is low, defectives such as manufacturing cost height.And the force transducer of domestic research mostly adopts external existing structure, test is done at the rail vehicle truck mechanics parameter three-dimensional force, torque sensor are not seen record, mainly containing three-dimensional force sensor aspect test tracks bogie of car parameter and the energy at present, its performance is subjected to limitation very much, is not easy to adopt in the rail vehicle truck parameter testing.
Summary of the invention
The present invention is directed to the state of the art that comprehensively, accurately to estimate dynamic performance in the current track bogie of car parameter detecting, a kind of combined three-dimensional force, moment test board integrated device are provided.
A kind of combined three-dimensional force, the test integrated device of moment, mainly form by the horizontal force cell C of mechanism, the vertical force cell D of mechanism, vertical E of force cell mechanism, limit tipping bolt mechanism F, overturning moment measuring mechanism G and support component, the described horizontal force cell C of mechanism and vertically the E of force cell mechanism form by two shear beam type sensors 16 and support component I respectively, per two shear beam type sensors 16 by support component I respectively along X to being installed on the loading plate to symmetry with Y; The described vertical force cell D of mechanism is made up of four shear beam sensors 16 and support component II, four shear beam sensors 16 respectively by support component II along Z on four angles that are installed in loading plate, described overturning moment measuring mechanism G and limit tipping bolt mechanism F also are installed in loading plate; Loading plate comprises carrying cover plate A and weight tray B, and F is connected to an integral body by limit tipping bolt mechanism, and carrying cover plate A keeps level by regulating limit tipping bolt mechanism F.
Described support component I mainly is made up of sensor right angle supporting seat 17 and two side force U-shaped folders 14, shear beam sensor 16 1 ends are fixedlyed connected with sensor right angle supporting seat 17 by shear beam sensor bolt 15, the other end floats with side force U-shaped folder 14 and is connected, sensor right angle supporting seat 17 is fixedlyed connected with weight tray B by right angle supporting seat bolt 18, and it is fixedly connected that side force U-shaped folder 14 is connected screw 9 by U-shaped folder screw 13 and the cover plate of carrying cover plate A.
Described support component II is mainly by the hanger shaft 20 of weighing, hang 19, the suspension bracket 21 of weighing, four suspension bracket jackscrews 23, four bulb jackscrews 24 and 25 compositions of four ball bowls, wherein an end of every shear beam sensor 16 directly is connected screw 3 with the vertical sensor of weight tray B by shear beam sensor bolt 15 and is fixedly linked, the other end is by bulb jackscrew 24, ball bowl 25 with hang 19 and link to each other, hang 19 and be rotationally connected with the suspension bracket 21 of weighing by hanger shaft 20 and the suspension bracket jackscrew 23 of weighing, it is fixedly connected that the suspension bracket 21 of weighing is connected screw 9 by suspension bracket screw 22 on it and the cover plate that carries cover plate A.
Described limit tipping bolt mechanism F is mainly by intermediate nut 26, pin 27, set nut 28, lower peripheral surface packing ring 29, last spheric washer 30, ball bowl nut 31 and limit are turned over screw rod 32 and are formed, intermediate nut 26 wherein, last spheric washer 30 and set nut 28 all turn over screw rod 32 by thread connecting mode and limit fixedlys connected, pin 27 is fixedlyed connected with set nut 28, ball bowl nut 31 and lower peripheral surface packing ring 29 all turn over screw rod 32 with limit and form coaxial the connection, ball bowl nut 31 again with carrying cover plate A on limit turn over that through hole 10 is connected on the bolt, lower peripheral surface packing ring 29 turns over bolt lower through-hole 2 with the limit of weight tray B and is connected.
Described overturning moment measuring mechanism G is mainly by shear beam sensor bolt 15, shear beam sensor 16 and limit tipping bolt mechanism F form, wherein the bolt connecting through hole of shear beam sensor 16 1 sides turns over 32 coaxial connections of screw rod with the limit of limit tipping bolt mechanism F, lower peripheral surface packing ring 29 is connected with the outside surface tightening of shear beam sensor 16, through hole 11 is fixedlyed connected in the overturning moment mechanism of ball bowl nut 31 and carrying cover plate A, and directly to be connected screw 6 fixedly connected with the overturning moment sensor of weight tray B by shear beam sensor bolt 15 for the other end of shear beam sensor 16.
Technique effect of the present invention: this device not only can synchro measure space three-dimensional power and moment, can measure the component of three-dimensional force and moment simultaneously.Advantages such as this device has that structure dexterity, good rigidity, error are little, manufacturing cost and maintenance cost are low can satisfy the needs of rail vehicle truck mechanics parameter test, guarantee precision of test result.Combined three-dimensional force, moment test board integrated device provide technological means for the measurement of mechanics parameter in the moving parameter testing process of rail vehicle truck, the error that has caused because of local stress and gap when having reduced simultaneously the test of bogie mechanics parameter significantly, ensure precision of test result, other industrial mechanical test also there is abundant technical support, has wide technical prospect and considerable using value.
Description of drawings:
Fig. 1 combined three-dimensional force, the test integrated device appearance synoptic diagram of moment;
Fig. 2 combined three-dimensional force, the test integrated device skeleton view of moment;
Fig. 3 carries the lower plate synoptic diagram;
Fig. 4 carries the cover plate synoptic diagram;
Fig. 5 carries cover plate inner structure synoptic diagram;
Fig. 6 is (X to) and vertical (Y to) sensor mechanism synoptic diagram laterally;
Fig. 7 vertical (Z to) sensor groups synoptic diagram;
Fig. 8 vertical (Z to) sensor groups I-I is to cut-open view;
The partial enlarged drawing of Fig. 9 bulb jackscrew and ball bowl;
Figure 10 the weigh hanger shaft and the suspension bracket assembling synoptic diagram of weighing;
Figure 11 right angle sensor support seat assembling synoptic diagram;
Figure 12 side force U-shaped clamps joins synoptic diagram;
Figure 13 overturning moment measuring mechanism synoptic diagram;
Figure 14 limits tipping bolt mechanism synoptic diagram;
Figure 15 one dimension shear beam sensor groups data acquisition synoptic diagram;
Among the figure: A-carries cover plate; The B-weight tray; C-is (X to) force cell mechanism laterally; D-vertical (Z to) force cell mechanism; E-is (Y to) force cell mechanism vertically; F-limit tipping bolt mechanism; G-overturning moment measuring mechanism;
1-accepts base plate; The 2-limit is turned over the bolt lower through-hole; 3-vertical (Z to) sensor connects screw; The 4-tight fixed bolt; 5-vertically (Y to) Triangulum connects screw; 6-overturning moment sensor connects screw; 7-overturning moment mechanism lower through-hole; 8-laterally (X to) sensor connects screw; The 9-cover plate connects screw; The 10-limit is turned over through hole on the bolt; Through hole in the 11-overturning moment mechanism; 12-accepts cover plate; 13-U clevis screw; 14-side force U-shaped folder; 15-shear beam sensor bolt; 16-shear beam sensor; 17-sensor right angle supporting seat; 18-right angle supporting seat bolt; 19-hangs; The 20-hanger shaft of weighing; The 21-suspension bracket of weighing; 22-suspension bracket screw; 23-suspension bracket jackscrew; 24-bulb jackscrew; 25-ball bowl; The 26-intermediate nut; The 27-pin; The 28-set nut; 29-lower peripheral surface packing ring; The last spheric washer of 30-; 31-ball bowl nut; The 32-limit is turned over screw rod.
Embodiment
Described embodiment is described in further detail structure of the present invention below in conjunction with accompanying drawing.
The measurement of described three-dimensional force, moment is to be obtained by the shear beam sensor mechanism multiple measurement of eight different installation, can reduce because of being subjected to different displacement gap and the local stresses that cause of force direction, eliminate bogie laterally (X to) or vertically (Y to) stressed influence Z-direction power.
With reference to Fig. 1,2, a kind of combined three-dimensional force, the test integrated device of moment are mainly by horizontal (X to) C of force cell mechanism, vertical (Z to) D of force cell mechanism, vertically (Y to) E of force cell mechanism, limit tipping bolt mechanism F, overturning moment measuring mechanism G and other support component are formed.The measurement of three-dimensional force, moment is that the multiple measurement by eight shear beam sensors 16 of different installation realizes.
With reference to Fig. 3, described weight tray B goes up the limited bolt lower through-hole 2 that turns over of design, vertical (Z to) sensor connects screw 3, vertically (Y to) Triangulum connects screw 5, the overturning moment sensor connects screw 6, overturning moment mechanism lower through-hole 7 and laterally (X to) sensor connect screw 8, in order to horizontal (X to) C of force cell mechanism, vertical (Z to) D of force cell mechanism, the vertically connection of fixedly connected and limit tipping bolt mechanism F one end of (Y to) E of force cell mechanism one end, wherein tight fixed bolt 4 is fixedlyed connected with miscellaneous equipment or foundation of civil work, thereby this device is carried out general location.
With reference to Fig. 4,5, described carrying cover plate A goes up design to be had cover plate to connect screw 9, limit to turn on the bolt through hole 11 on the through hole 10 and overturning moment mechanism, in order to realize laterally (X to) C of force cell mechanism, vertical (Z to) D of force cell mechanism, vertically (Y to) E of force cell mechanism other end with carry fixedlying connected and limitting the fixedly connected of the tipping bolt mechanism F other end of cover plate A.
With reference to Fig. 6,7,8,9,10,11,12, described laterally (X to) C of force cell mechanism and vertically (Y to) E of force cell mechanism respectively by two shear beam type sensors 16, two sensor right angle supporting seats 17 and 14 compositions of two side force U-shaped folders, wherein shear beam sensor 16 1 ends are fixedlyed connected with sensor right angle supporting seat 17 by shear beam sensor bolt 15, the other end floats with side force U-shaped folder 14 and is connected, sensor right angle supporting seat 17 by right angle supporting seat bolt 18 is connected with vertically (Y to) right angle seat on accepting base plate B screw 5 and laterally (X to) right angle seat to connect screw 8 fixedly connected, it is fixedly connected that side force U-shaped folder 14 is connected screw 9 by U-shaped folder screw 13 and the cover plates that carry cover plate A.Vertical (Z to) D of force cell mechanism is by four shear beam sensors 16, four hanger shafts 20 of weighing, hang 19 for four, four suspension brackets 21 of weighing, four suspension bracket jackscrews 23, four bulb jackscrews 24 and 25 compositions of four ball bowls, wherein an end of every shear beam sensor 16 directly is connected screw 3 and is fixedly linked with vertical (Z to) sensor of weight tray B by shear beam sensor bolt 15, the other end is by bulb jackscrew 24, ball bowl 25 with hang 19 and link to each other, hang 19 and be rotationally connected with the suspension bracket 21 of weighing by hanger shaft 20 and the suspension bracket jackscrew 23 of weighing, it is fixedly connected that the suspension bracket 21 of weighing is connected screw 9 by suspension bracket screw 22 on it and the cover plate that carries cover plate A.During test, the right power of steering framing wheel directly acts on the carrying cover plate A, and weight tray B is fixed in ground, because shear beam sensor 16 has the characteristic that unidirectional collection voltage signal changes, therefore is not subjected to the interference of other direction power.Laterally (X to) mainly realizes power and the moment that the test board horizontal direction is suffered with vertical (Y to) sensor mechanism, power vertically can be acted on the stress surface of each shear beam sensor 16 by two medial surfaces of each side force U-shaped folder 14.When two sensors in horizontal (X to) force cell mechanism (C) have measured value, and other six sensors are not when all measuring numerical value change, show that test board only is subjected to laterally (X to) acting force; In like manner, as vertically (Y to) when two sensors of the E of force cell mechanism have measured value, and other six sensors are not when all measuring numerical value change, show that test board only is subjected to vertically (Y to) acting force; As horizontal (X to) C of force cell mechanism and vertically (Y to) when the E of force cell mechanism all has measured value, shows that test board is subjected to the flywheel moment of XOY plane.When four shear beam sensors 16 of vertical (Z to) D of force cell mechanism have measured value and other four sensors when not having measurement variation, show that test board only is subjected to vertical (Z to) acting force; Two shear beam sensors 16 of a certain side have in vertical (Z to) D of force cell mechanism
±Measured value, and two sensors of opposite side have
Measured value, and laterally (X to) when vertically four sensors of (Y to) sensor mechanism all do not have measured value.Show that test board only is subjected to the flywheel moment of XOZ face or YOZ face.
Consult Figure 13, described overturning moment measuring mechanism G comprises shear beam sensor bolt 15, shear beam sensor 16 and limit tipping bolt mechanism F, wherein shear beam sensor 16 is fixedlyed connected with weight tray B by shear beam sensor bolt 15, the lower peripheral surface packing ring 29 of limit tipping bolt mechanism F is connected with the outside surface tightening of shear beam sensor 16, ball bowl nut 31 is fixedlyed connected with through hole 11 in the overturning moment mechanism of carrying cover plate A, when carrying cover plate A self produces overturning moment, regulating with the output valve that guarantees the shear beam sensor 16 among the overturning moment measuring mechanism G to other four limit tipping bolt mechanism F is zero, thereby guarantees carrying cover plate A level.
Consult Figure 14, limit tipping bolt mechanism F turns over screw rod 32 by intermediate nut 26, pin 27, set nut 28, lower peripheral surface packing ring 29, last spheric washer 30, ball bowl nut 31 and limit and forms, wherein regulating intermediate nut 26, last spheric washer 30 and set nut 28 can make limit tipping bolt mechanism F be fixed on the carrying cover plate A, can make limit tipping bolt mechanism F fixedly on the weight tray B by lower peripheral surface packing ring 29, carry cover plate A and weight tray B connects into an integral body thereby make.
With reference to Figure 15, the connected mode of shear beam sensor 16 foil gauges can offset and reverse, laterally or the influence of meridional stress.In the elastic body, main deformation meeting takes place and causes that the resistance strain gage resistance changes in foil gauge, convert the variation of strainometer resistance the voltage output of variation to by electric bridge, carry out signal condition by amplifying circuit, the machine interface circuit carries out the A/D conversion and delivers to computing machine as calculated.By the processing of computing machine to eight shear beam sensors 16, this combined three-dimensional force, the test integrated device of moment can be tested three-dimensional force, moment numerical value, and the test result reliability height, good stability.Test board integrated degree height, maintenance cost is low, and hermetically sealed welding has stronger anti-bias load ability and anti-tipping ability, can satisfy the requirement of rail vehicle truck mechanics parameter test.
Claims (5)
1, a kind of combined three-dimensional force, the test integrated device of moment, mainly by horizontal force cell mechanism (C), vertical force cell mechanism (D), vertical force cell mechanism (E), limit tipping bolt mechanism (F), overturning moment measuring mechanism (G) and support component are formed, it is characterized in that, described horizontal force cell mechanism (C) and vertically force cell mechanism (E) form by two shear beam type sensors (16) and support component I respectively, per two shear beam type sensors (16) by support component I respectively along X to being installed on the loading plate to symmetry with Y; Described vertical force cell mechanism (D) is made up of four shear beam sensors (16) and support component II, four shear beam sensors (16) respectively by support component II along Z on four angles that are installed in loading plate, described overturning moment measuring mechanism (G) and the limit tipping bolt mechanism (F) also be installed in loading plate; Loading plate comprises carrying cover plate (A) and weight tray (B), is connected to an integral body by limit tipping bolt mechanism (F), and carrying cover plate (A) is by regulating limit tipping bolt mechanism (F) maintenance level.
2, according to claim a kind of combined three-dimensional force, the test integrated device of moment, it is characterized in that, described support component I mainly is made up of sensor right angle supporting seat (17) and two side force U-shaped folders (14), shear beam sensor (16) one ends are fixedlyed connected with sensor right angle supporting seat (17) by shear beam sensor bolt (15), the other end floats with side force U-shaped folder (14) and is connected, sensor right angle supporting seat (17) is fixedlyed connected with weight tray (B) by right angle supporting seat bolt (18), and it is fixedly connected that side force U-shaped folder (14) is connected screw (9) by the U-shaped folder screw (13) and the cover plate of carrying cover plate (A).
3, according to claim a kind of combined three-dimensional force, the test integrated device of moment, it is characterized in that, described support component II is mainly by the hanger shaft of weighing (20), hang (19), the suspension bracket (21) of weighing, four suspension bracket jackscrews (23), four bulb jackscrews (24) and four ball bowls (25) are formed, wherein an end of every shear beam sensor (16) directly is connected screw (3) with the vertical sensor of weight tray (B) by shear beam sensor bolt (15) and is fixedly linked, the other end is by bulb jackscrew (24), ball bowl (25) with hang (19) and link to each other, hang (19) and be rotationally connected with the suspension bracket (21) of weighing by hanger shaft of weighing (20) and suspension bracket jackscrew (23), it is fixedly connected that the suspension bracket of weighing (21) is connected screw (9) by the suspension bracket screw (22) on it and the cover plate of carrying cover plate (A).
4, according to claim a kind of combined three-dimensional force, the test integrated device of moment, it is characterized in that, described limit tipping bolt mechanism (F) is mainly by intermediate nut (26), pin (27), set nut (28), lower peripheral surface packing ring (29), last spheric washer (30), ball bowl nut (31) and limit are turned over screw rod (32) and are formed, intermediate nut wherein (26), last spheric washer (30) and set nut (28) all turn over screw rod (32) by thread connecting mode and limit fixedlys connected, pin (27) is fixedlyed connected with set nut (28), ball bowl nut (31) and lower peripheral surface packing ring (29) all turn over screw rod (32) with limit and form coaxial the connection, ball bowl nut (31) again with carrying cover plate (A) on limit turn over through hole on the bolt (10) and be connected, lower peripheral surface packing ring (29) turns over bolt lower through-hole (2) with the limit of weight tray (B) and is connected.
5, combined three-dimensional force according to claim 1, the test integrated device of moment, it is characterized in that described overturning moment measuring mechanism (G) is mainly by shear beam sensor bolt (15), shear beam sensor (16) and limit tipping bolt mechanism (F) are formed, wherein the bolt connecting through hole of shear beam sensor (16) one sides turns over coaxial connection of screw rod (32) with the limit of limit tipping bolt mechanism (F), lower peripheral surface packing ring (29) is connected with the outside surface tightening of shear beam sensor (16), through hole (11) is fixedlyed connected in the overturning moment mechanism of ball bowl nut (31) and carrying cover plate (A), and directly to be connected screw (6) fixedly connected with the overturning moment sensor of weight tray (B) by shear beam sensor bolt (15) for the other end of shear beam sensor (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100668619A CN101526406B (en) | 2009-04-22 | 2009-04-22 | Combined three-dimensional force and moment test board integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100668619A CN101526406B (en) | 2009-04-22 | 2009-04-22 | Combined three-dimensional force and moment test board integrated device |
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| CN101526406A true CN101526406A (en) | 2009-09-09 |
| CN101526406B CN101526406B (en) | 2010-10-27 |
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| CN2009100668619A Expired - Fee Related CN101526406B (en) | 2009-04-22 | 2009-04-22 | Combined three-dimensional force and moment test board integrated device |
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| CN102248485A (en) * | 2011-01-21 | 2011-11-23 | 清华大学 | Clearance magnetic adsorption type two-dimensional grinding force test system |
| CZ303189B6 (en) * | 2011-02-15 | 2012-05-16 | Vysoká škola bánská-Technická univerzita Ostrava | Force sensor and method of sensing forces during high-speed liquid jet cutting process |
| CN102589765A (en) * | 2012-03-19 | 2012-07-18 | 南宁宇立汽车安全技术研发有限公司 | Multi-dimensional force sensor |
| CN103267602A (en) * | 2013-05-19 | 2013-08-28 | 吉林大学 | Flat plate type six-component force-measuring platform device |
| CN104215380A (en) * | 2014-09-12 | 2014-12-17 | 广西师范大学 | Force measuring device for precisely measuring three-dimensional dynamic forces externally applied to fixed force body |
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- 2009-04-22 CN CN2009100668619A patent/CN101526406B/en not_active Expired - Fee Related
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| CN102248485A (en) * | 2011-01-21 | 2011-11-23 | 清华大学 | Clearance magnetic adsorption type two-dimensional grinding force test system |
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| CN104215380A (en) * | 2014-09-12 | 2014-12-17 | 广西师范大学 | Force measuring device for precisely measuring three-dimensional dynamic forces externally applied to fixed force body |
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| CN110050179A (en) * | 2016-10-07 | 2019-07-23 | 伦敦大学国王学院 | Multi-axis force transducer |
| CN106840692A (en) * | 2016-12-30 | 2017-06-13 | 北京盘天新技术有限公司 | A kind of highway integrated detection system |
| CN110174206A (en) * | 2019-04-26 | 2019-08-27 | 交通运输部天津水运工程科学研究所 | A kind of three-dimensional total power measuring device and measuring method of experiment |
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