CN103105280A - Tester of main influencing factor of structure stability - Google Patents
Tester of main influencing factor of structure stability Download PDFInfo
- Publication number
- CN103105280A CN103105280A CN2013100212462A CN201310021246A CN103105280A CN 103105280 A CN103105280 A CN 103105280A CN 2013100212462 A CN2013100212462 A CN 2013100212462A CN 201310021246 A CN201310021246 A CN 201310021246A CN 103105280 A CN103105280 A CN 103105280A
- Authority
- CN
- China
- Prior art keywords
- cycloid
- center
- pad
- swing ball
- display disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to a tester of a main influencing factor of structure stability. The tester of the main influencing factor of the structure stability comprises a tested structure, a base, a supporting seat, a stand column, a swing ball angle indicating disc, a swing ball, a cycloid and a supporting plate angle indicating disc. The tester of the main influencing factor of the structure stability is characterized in that the tested structure comprises six different structures, the base comprises a base plate and a supporting plate, the base plate and the supporting plate can mutually rotate, the supporting seat is fixed on the base, one end of the stand column is provided with a 90-degree bent angle, a vertical end of the stand column is fixed on the supporting seat, the bent angle end of the stand column is sleeved on the swing ball angle indicating disc, one end of the cycloid is connected with the swing ball, and the other end of the cycloid penetrates through a threaded hole and is connected with a cycloid drum. The tester of the main influencing factor of the structure stability can be used for displaying and testing a relation of the stability of the structure and the centre-of-gravity position of the structure, the size of the supporting face which is formed by the structure and the supporting plate and the shape of the structure can be widely applied to research of relevant content and display and test in teaching and is particularly suitable for teaching display of relevant content of high school universal technology.
Description
Technical field
The present invention relates to a kind of major influence factors tester of structural stability, belong to general physical measurement, technical field of measurement and test.
Background technology
The principal element that usually affects structural stability has the height of the centre of gravity place of structure, structure to contact the size of formed supporting surface and the shape of structure with back up pad.in relevant teaching and research, particularly in regular senior secondary school's current techique teaching, people have designed the major influence factors that structural stability is verified in various engineering tests, the testing experiment of structural stability is a kind of typical contrast test, contrast test need adopt control variate method usually, and the contrast of the result under strict the same terms is not also accomplished in present various tests basically, during such as the concerning of the size that contacts formed supporting surface for the stability of verifying structure with back up pad, it is identical that the process of test is normally got a material, base area different structure in up and down is tested, first area large bottom surface is placed on supporting surface, test its stability, again area little bottom surface is placed on supporting surface, test its stability, contrast the test findings of twice, drawing structure, contact formed supporting surface with supporting surface larger, structure is more stable, such test method is correct at first view, but be in fact wrong, because material is identical, when the upper bottom surface of the structure that the up and down base area is different is placed on respectively on supporting surface, the height of the center of gravity of structure is different, namely this amount of center of gravity is becoming, that measures like this is not only relevant with the size of the supporting surface of structure about affecting the Stability Analysis of Structures sexual factor, but also relevant with the center of gravity height of structure.The correct test method of this test should be position by certain way control structure center of gravity, makes structure whichever bottom surface down, and the height of the center of gravity of structure is constant all the time, and what the present invention relates to has just been accomplished this point by geodesic structure accordingly.
Summary of the invention
The purpose of this invention is to provide a kind of science accurately the engineering test method and apparatus demonstrate, the relation of the shape of the height of the stability of test structure and the centre of gravity place of structure, structure contacts formed supporting surface with back up pad size and structure.
For achieving the above object, the technical solution adopted in the present invention is: the major influence factors tester of described structural stability comprises by geodesic structure, base, supporting seat, column, swing ball corner display disc, swing ball and cycloid, back up pad corner display disc.It is characterized in that describedly being comprised six kinds of dissimilar structures by geodesic structure; Described base comprises the bedplate of lower floor and the back up pad on upper strata, and bedplate Width one side that is connected with back up pad connects with hinge or pin, and two panels can be rotated mutually; Described supporting seat is fixed on the centre position of a lateral edges of bedplate length direction, is used for support post; The xsect of described column is square configuration, and wherein an end has the bent angle of 90 °, and the vertical end of described column is fixed on supporting seat, upper end bent angle end is in horizontal level, be used for hanging and fixing swing ball corner display disc, there is a vertical through hole in the somewhere of bent angle end, is used for passing cycloid; Described swing ball corner display disc is with sleeve pipe, the upper bottom surface of sleeve pipe has threaded hole, casing pipe sleeve is on column, the cycloid drum sheath is on cycloid reel clamping screw, coordinate with the threaded hole of sleeve pipe upper bottom surface, realize degree of tightness cycloid reel, adjust cycloid length, swing ball corner display disc clamping screw matches with the threaded hole of sleeve pipe bottom surface, is used for adjusting and locking the position of swing ball corner display disc; Described swing ball is the metal medicine ball, and a cone shape through hole is arranged on the axis direction of described swing ball, can connect cycloid; The described cycloid one end impact bead of ining succession, the through wires hole that the other end passes column is connected with the cycloid reel; Described back up pad corner display disc can be plugged on an end side surface of bedplate, the axis coinciding of the rotating shaft of pointer and hinge or pin, and the zero graduation line of display disc aligns with the upper surface of back up pad.
Described by geodesic structure by the up and down two base plates form with the cylindrical connecting rod that is connected two base plates, cut on the mid point of the line segment that forms by the upper bottom surface of structure by the axis of the center of geodesic structure at connecting rod, by the center of gravity of geodesic structure on the axis of connecting rod; By geodesic structure have six kinds dissimilar.Wherein the upper and lower bottom plate quality of structure () is different, upper bottom surface is the identical square of area, the axis of connecting rod and the central point of upper bottom surface join, near the heavier end of material, this structure is used for the relation of height of centre of gravity place of the stability of play configuration and structure to center of gravity on the axis of the connecting rod of structure; The upper and lower bottom plate of structure (two) is identical in quality, two bottom surfaces, up and down are square, the Area Ratio bottom surface of upper bottom surface is little, the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition, this structure are used for the stability of play configuration and contact the relation of the size of formed supporting surface with back up pad; The upper and lower bottom plate size of structure (three), shape and identical in quality, upper bottom surface is square shape, the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; The upper and lower bottom plate size of structure (four), shape and identical in quality, upper bottom surface is square shape, the center of gravity of structure and its center superposition, the axis of connecting rod intersects in the perpendicular bisector on certain corresponding limit of upper bottom surface, two intersection points equidistant in opposite directions centers of departing from two bottom surfaces; Upper and lower bottom plate quality, the area of structure (five) are identical, and the bottom surface of upper plate is square shape, and the bottom surface of lower shoe is rectangular shape, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; Upper and lower bottom plate quality, the area of structure (six) are identical, and the bottom surface of upper plate is square shape, and the bottom surface of lower shoe is triangular shaped, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition.All base plates of structure (three), structure (four), structure (five), structure (six) identical in quality, the area of all bottom surfaces equate, these planforms are different, is used for the relation of shape of the stability of play configuration and structure.
Describedly indicated with colour circle respectively by the center of geodesic structure and centre of gravity place, described center of gravity by geodesic structure is exactly the intersection point of the vertical vertical line at the center of gravity place when vertically being hung and horizontally suspending by geodesic structure, usually the center of gravity of structure overlaps with structure centre, center and center of gravity as fruit structure overlap a just shared circle colour circle, center and centre of gravity place in structure are equipped with respectively little suspension hook, are used for verifying by the centre of gravity place of geodesic structure with suspension method when test; By being carried out technology processing to described by the side of each base plate of geodesic structure, make its hardness basic identical, when impacting to improve swing ball, the stressing conditions of panel is consistent.
described base is comprised of the bedplate of lower floor and the back up pad on upper strata, bedplate and back up pad all are rectangular structure, bedplate is in the longitudinal direction than the approximately short 1cm of support panel, on Width than the approximately wide 3cm of back up pad, the upper and lower surface plate aligns and connects with hinge or pin in a side of Width, opposite side at Width, back up pad exceeds approximately 1cm than bedplate, so that the upset of back up pad, the upper and lower surface plate is in a side alignment of length direction, opposite side at length direction, bedplate exceeds approximately 3cm of back up pad, the center section that bedplate exceeds is used for installing supporting seat.
Described supporting seat is comprised of bearing body, bearing set bolt and column set bolt, the square boss that a high approximately 6cm is arranged in the middle of described bearing body, the centre is a square jack, just can insert column, the rear side of boss has a threaded hole, the column set bolt respectively has a bolt hole by coordinating fastening column with this threaded hole on the both sides step of supporting seat, be fixed on bedplate supporting to sit with the bearing set bolt.
The xsect of described column is square, one end of described column has the bent angle of 90 °, and there is a vertical through hole in the somewhere of bent angle end, and the vertical end of described column vertically is fixed on supporting seat, the other end is in horizontal level, is used for passing cycloid, suspension and fastening swing ball corner display disc.
described swing ball corner display disc is by index dial, pointer, sleeve pipe, the cycloid reel, cycloid reel clamping screw, swing ball corner display disc clamping screw forms, described index dial shape is combined with the length rectangle identical with diameter of a circle by semicircle, the middle position of the rectangular segment of described index dial passes and fixed sleeving, the circle centre position riveted joint pointer of the semi-circular portions of described index dial, pointer can rotate around the axis, namely turn namely and stop, respectively there is a threaded hole at the place of bottom center up and down of described sleeve pipe, the upper bottom surface threaded hole coordinates with cycloid reel clamping screw, be used for locking the cycloid reel, the bottom surface threaded hole coordinates with swing ball corner display disc clamping screw, is used for locking swing ball corner display disc.
Described swing ball is a metal medicine ball, and a cone shape through hole is arranged on the axis direction of described swing ball, can connect cycloid, the described cycloid one end impact bead of ining succession, and the through wires hole that the other end passes column is connected with the cycloid reel.
Described back up pad corner display disc is comprised of angle index plate, pointer and back up pad corner display disc register pin, described angle index plate is injection molded by transparent resin, two back up pad corner display disc register pins are arranged on described angle index plate, being used for a back up pad corner display disc is fixed on bedplate, pointer is riveted on scaleplate, pointer can rotate around the axis, and namely turns namely and stops.
The invention has the beneficial effects as follows:
1, apparatus of the present invention novel structure, the operation science is easy, and test is directly perceived, and is effective.
2, apparatus of the present invention can be clashed into respectively the stability of method and rotary support plate method test structure with swing ball, and when testing with swing ball shock method, the pendulum length of swing ball is adjusted easy.
3, except by geodesic structure (), described tested structural focus be designed in structure in the heart, namely tested structural focus and its center superposition, improved the degree of accuracy of test.
4, apparatus of the present invention can be widely used in being particularly suitable for using at regular senior secondary school's current techique classroom teaching in relevant teaching and research.
Description of drawings
Fig. 1 is apparatus of the present invention structural perspective.
Fig. 2 is of the present invention by the structural perspective of geodesic structure.
Fig. 3 is understructure stereographic map of the present invention.
Fig. 4 is clamping support stereographic map of the present invention.
Fig. 5 is pillar construction stereographic map of the present invention.
Fig. 6 is swing ball corner display disc structural perspective of the present invention.
Fig. 7 is back up pad corner display disc structural perspective of the present invention.
in figure: 1, base, 2, supporting seat, 3, column, 4, swing ball corner display disc, 5, cycloid, 6, swing ball, 7, by geodesic structure, 8, back up pad corner display disc, 9, bedplate, 10, the supporting seat pilot hole, 11, hinge or pin, 12, back up pad corner display disc jack, 13, back up pad, 14, the supporting seat fastening bolt, 15, the column fastening bolt, 16, the column jack, 17, through wires hole, 18, pointer, 19, swing ball corner display disc clamping screw, 20, sleeve pipe, 21, the cycloid reel, 22, cycloid reel clamping screw, 23, index dial, 24, lower shoe, 25, connecting rod, 26, little suspension hook, 27, upper plate, 28, tested structure centre marker loop, 29, tested structural focus marker loop, 30, back up pad corner display disc register pin
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is further described:
As shown in Fig. 1, device of the present invention comprises by geodesic structure 7, base 1, supporting seat 2, column 3, swing ball corner display disc 4, cycloid 5, cycloid 6, back up pad corner display disc 8; It is characterized in that describedly being comprised six kinds of dissimilar structures by geodesic structure 7; Described base 1 comprises the bedplate 9 of lower floor and the back up pad 13 on upper strata, and bedplate 9 is connected with back up pad and is connected with hinge or pin 11 in Width one side, and two panels can be rotated mutually; Described supporting seat 2 is fixed on the centre position of a lateral edges of bedplate 9 length directions, is used for support post 3; The xsect of described column 3 is square configuration, wherein an end has the bent angle of 90 °, the vertical end of described column 3 is fixed on supporting seat 2, upper end bent angle end is in horizontal level, be used for hanging and fixing swing ball corner display disc 4, there is a vertical through hole in the somewhere of bent angle end, is used for passing cycloid 5; Described swing ball corner display disc 4 is with sleeve pipe 20, the upper bottom surface of sleeve pipe 20 has threaded hole, sleeve pipe 20 is enclosed within on column 3, cycloid reel 21 is enclosed within on cycloid reel clamping screw 22, coordinate with the threaded hole of sleeve pipe 20 upper bottom surfaces, play degree of tightness cycloid reel 21, adjust the effect of cycloid 5 length, swing ball corner display disc clamping screw 19 matches with the threaded hole of sleeve pipe 20 bottom surfaces, is used for adjusting and locking the position of swing ball corner display disc 4; Described swing ball 6 is metal medicine balls, and a cone shape through hole is arranged on the axis direction of described swing ball, can connect cycloid; The described cycloid 5 one ends swing ball 6 of ining succession, the through wires hole that the other end passes column 3 is connected with cycloid reel 21; Described back up pad corner display disc 8 can be plugged on an end side surface of bedplate 9, after grafting, and the axis coinciding of the rotating shaft of pointer and hinge or pin 11, the zero graduation line of display disc aligns with the upper surface of back up pad 2.
[as shown in Figure 2, describedly formed by upper plate 27, lower shoe 24 and the cylindrical connecting rod 25 that is connected two base plates by geodesic structure 7, by the center of geodesic structure 7 just the axis of connecting rod 25 by the mid point of the line segment that upper bottom surface cut of structure on, by the center of gravity of geodesic structure 7 on the axis of connecting rod 25, have six kinds dissimilar by geodesic structure 7.Wherein different with lower shoe 24 quality by the upper plate 27 of geodesic structure (), the bottom surface is the identical square of area, the axis of connecting rod 25 and the central point of upper bottom surface join, by geodesic structure () center of gravity on the axis of its connecting rod 25 near the heavier end of material, be used for the relation of height of centre of gravity place of the stability of play configuration and structure; Identical in quality by the upper plate 27 of geodesic structure (two) and lower shoe 24, two bottom surfaces, up and down are square, wherein the Area Ratio bottom surface of upper bottom surface is little, the axis of connecting rod 25 and the central point of upper bottom surface join, by the center of gravity of geodesic structure (two) and its center superposition, be used for the stability of play configuration to contact the relation of the size of formed supporting surface with back up pad; By the size of the upper plate 27 of geodesic structure (three) and lower shoe 28, shape and identical in quality, upper bottom surface is square shape, and the axis of connecting rod 25 and the central point of upper bottom surface join, by the center of gravity of geodesic structure (three) and its center superposition; By the size of the upper plate 27 of geodesic structure (four) and lower shoe 24, shape and identical in quality, upper bottom surface is square shape, by the center of gravity of geodesic structure (four) and its center superposition, the axis of connecting rod 25 intersects in the perpendicular bisector on certain corresponding limit of upper bottom surface, two intersection points equidistant in opposite directions centers of departing from two bottom surfaces; Quality, area by the upper plate 27 of geodesic structure (five) and bottom surface 24 are identical, the bottom surface of upper plate 27 is square shape, the bottom surface of lower shoe 24 is rectangular shape, and the axis of connecting rod 25 and the central point of upper bottom surface join, by the center of gravity of geodesic structure (five) and its center superposition; Quality, area by the upper plate 27 of geodesic structure (six) and bottom surface 24 are identical, the bottom surface of upper plate 27 is square shape, the bottom surface of lower shoe 24 is triangular shaped, and the axis of connecting rod 25 and the central point of upper bottom surface join, by the center of gravity of geodesic structure (six) and its center superposition; By geodesic structure (three), by geodesic structure (four), by geodesic structure (five), identical in quality by all base plates of geodesic structure (six), the area of all bottom surfaces equates, is used for the relation of shape of the stability of play configuration and structure.
As shown in Figure 2, describedly indicated with colour circle respectively by the center of geodesic structure 7 and centre of gravity place, described center of gravity by geodesic structure 7 is exactly the intersection point of the vertical vertical line at the center of gravity place when vertically being hung and horizontally suspending by geodesic structure 7; If overlapped by the center of geodesic structure 7 and center of gravity, just share a circle colour circle; By the center of geodesic structure 7 and centre of gravity place, little suspension hook 26 is being housed respectively, is being used for verifying by the centre of gravity place of geodesic structure 7 with suspension method at the trial; By described side by geodesic structure 7 each base plates being carried out technology processing, make its hardness basic identical, when impacting to improve swing ball 6, the stressing conditions of panel is consistent.
as shown in Figure 3, described base is comprised of the bedplate 9 of lower floor and the back up pad 13 on upper strata, bedplate 9 and back up pad 13 all are rectangular structure bedplate 9 in the longitudinal direction than the approximately short 1cm of support panel 13, on Width than the approximately wide 3cm of back up pad 13, the upper and lower surface plate aligns and connects with hinge or pin 11 in a side of Width, opposite side at Width, back up pad 13 exceeds approximately 1cm than bedplate 9, so that the upset of back up pad 13, the upper and lower surface plate is in a side alignment of length direction, opposite side at length direction, bedplate 9 exceeds approximately 3cm of back up pad 13, the center section that bedplate 9 exceeds is used for installing supporting seat 2.
As shown in Figure 4, described supporting seat 2 is comprised of bearing body, bearing set bolt 14 and column set bolt 15, the square boss that a high approximately 6cm is arranged in the middle of described bearing body, the centre is a square column jack 16, just can insert column 3, the rear side of boss has a threaded hole, and column set bolt 15 is by the fastening column 3 of this threaded hole, a bolt hole is respectively arranged on the both sides step of supporting seat 2, with bearing set bolt 14, supporting seat 2 is fixed on bedplate 1.
As shown in Figure 5, the xsect of described column 3 is square, one end of described column 3 has the bent angle of 90 °, there is a vertical through wires hole 17 in the somewhere of bent angle end, the vertical end of described column 3 vertically is fixed on supporting seat 2, the other end is in horizontal level, is used for passing cycloid 5, suspension and fastening swing ball corner display disc 4.
as shown in Figure 6, described swing ball corner display disc 4 is by index dial 23, pointer 18, sleeve pipe 20, cycloid reel 21, cycloid reel clamping screw 22 forms, the shape of described index dial 23 is combined with the length rectangle identical with diameter of a circle by semicircle, wherein the middle position of rectangular segment passes and fixed sleeving 20, the circle centre position riveted joint pointer 18 of semi-circular portions, pointer 18 can rotate around the axis, pointer 18 namely turns namely and stops, respectively there is a threaded hole at the place of bottom center up and down of described sleeve pipe 20, the upper bottom surface threaded hole coordinates with cycloid reel clamping screw 22, be used for locking cycloid reel 21, the bottom surface threaded hole coordinates with swing ball corner display disc clamping screw 19, is used for locking swing ball corner display disc 4.
As shown in Figure 7, described back up pad corner display disc 8 is comprised of angle index plate, pointer and back up pad corner display disc register pin 30, described angle index plate is injection molded by transparent resin, two back up pad corner display disc register pins 30 are arranged on described angle index plate, be used for a back up pad corner display disc 8 to be fixed on bedplate 9.Pointer is riveted on scaleplate, and pointer can rotate around the axis, and pointer namely turns namely and stops.
as shown in Figure 1, utilize apparatus of the present invention, available swing ball clashes into method and rotary support plate method is tested by the stability of geodesic structure 7, when with swing ball shock method test during by geodesic structure 7 stable, use in this device by geodesic structure 7, base 1, supporting seat 2, column 3, swing ball corner display disc 4, cycloid 5, swing ball 6, back up pad corner display disc 8 need not be loaded onto at this moment, during test, first handle assembly installs, allow swing ball 6 naturally droop, performance for stability when prediction is placed on respectively on back up pad 13 by the upper bottom surface of geodesic structure 7, a bottom surface by geodesic structure 7 of the sort of situation of prediction less stable is placed on back up pad 13, make side of its upper base panel and face that swing ball 6 swings perpendicular, and just press close to the surface of swing ball 6 horizontal radials, unclamp cycloid reel clamping screw 22, pendulum rotating cable reel 21, regulate the length of cycloid 5, make by the center of a side of the upper plate 27 of geodesic structure 7 and align with the centre of sphere of swing ball 6, arrive certain angle with handgrip swing ball 6 pendulum, then let go and allow swing ball 6 naturally clash into by geodesic structure 7, roughly measure and make by geodesic structure 7 pivot angle of the swing ball 6 during overturning just, regulate the pointer of swing ball corner display disc 4 this moment, pointer 18 is overlapped with cycloid 5, then accurately measure and make by geodesic structure 7 position of the pointer 18 during overturning just, keep pointer position constant, then being placed on back up pad by another bottom surface of geodesic structure 7, copy the way of back, readjusted swing ball 6 with by the position of geodesic structure 7, swing ball 6 pendulum to cycloid 5 and back are overlapped with pointer 18 positions that fix, then naturally let go and allow swing ball 6 clash into by geodesic structure 7, find this moment by geodesic structure 7 not overturnings, thereby contrast the factor of not planting to the impact of structural stability.
as shown in Figure 1, utilize in apparatus of the present invention by geodesic structure 7, base 1 and back up pad corner display disc 8, available rotary support plate method test is by the stability of geodesic structure 7, during test in the back up pad corner display disc jack 12 of the side of the register pin 30 inserted base plates 9 of back up pad corner display disc 8, make back up pad corner display disc 8 vertically press close to the side of bedplate 9, the rotating shaft of the pointer on this moment back up pad corner display disc 8 and the axis coinciding of hinge or pin 11, the zero graduation line of display disc aligns with the upper surface of back up pad 13, the bottom surface by geodesic structure during the situation of prediction less stable is placed on back up pad, slow rotational support plate, until by just overturning of geodesic structure, regulate the pointer of back up pad corner display disc 8 this moment, pointer is overlapped with the support plate upper surface sideline.Keep pointer position constant, being placed on supporting surface by the another side of geodesic structure, the rotary support plate makes support plate upper surface sideline and hands coincide, and do not had overturning by geodesic structure this moment.Thereby compare different factors to the impact of the stability of structure.if conditions permit, available two same types by geodesic structure 7, one of them upper bottom surface down, another bottom surface down, be placed on simultaneously on back up pad 13, rotary support plate 13 is to certain angle, can see and wherein have one and first fall (except structure (three)), thereby contrast the factor of not planting to the impact of structural stability, during the concerning of the stability of test structure and the shape of structure, can be by geodesic structure (three), by geodesic structure (four), by geodesic structure (five), be placed on simultaneously test on back up pad 13 by geodesic structure (six), contrast the shape of structure to the impact of the stability of structure.
According to described above, those skilled in the art is under the prerequisite that does not break away from structure of the present invention, and some bodies that the present invention is made and the improvement on size also are considered as in protection scope of the present invention.
Claims (8)
1. the major influence factors tester of a structural stability, comprise by geodesic structure, base, supporting seat, column, swing ball corner display disc, swing ball, cycloid, back up pad corner display disc; It is characterized in that describedly being comprised six kinds of dissimilar structures by geodesic structure; Described base comprises the bedplate of lower floor and the back up pad on upper strata, and bedplate Width one side that is connected with back up pad connects with hinge or pin, and two panels can be rotated mutually; Described supporting seat is fixed on the centre position of a lateral edges of bedplate length direction; The xsect of described column is square configuration, and wherein an end has the bent angle of 90 °, and the vertical end of described column is fixed on supporting seat, upper end bent angle end is in horizontal level, be used for hanging and fixing swing ball corner display disc, there is a vertical through hole in the somewhere of bent angle end, is used for passing cycloid; Described swing ball corner display disc is with sleeve pipe, the upper bottom surface of sleeve pipe has threaded hole, casing pipe sleeve is on column, the cycloid drum sheath is on cycloid reel clamping screw, coordinate with the threaded hole of sleeve pipe upper bottom surface, realize degree of tightness cycloid reel, adjust cycloid length, swing ball corner display disc clamping screw matches with the threaded hole of sleeve pipe bottom surface, is used for adjusting and locking the position of swing ball corner display disc; Described impact bead is the metal medicine ball, and a cone shape through hole is arranged on the axis direction of described impact bead, can connect cycloid, the described cycloid one end impact bead of ining succession, and the through wires hole that the other end passes column is connected with the cycloid reel; Described back up pad corner display disc can be plugged on an end side surface of bedplate, the rotating shaft of the pointer of the back up pad corner display disc after being plugged and the axis coinciding of hinge or pin, and the zero graduation line of display disc aligns with the upper surface of back up pad.
2. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described by geodesic structure by two base plates in up and down be connected two base plates cylindrical connecting rod form, cut on the mid point of the line segment that forms by the upper bottom surface of structure by the axis of the center of geodesic structure at connecting rod, by the center of gravity of geodesic structure on the axis of connecting rod; By geodesic structure have six kinds dissimilar, wherein different by the quality of the upper and lower bottom plate of geodesic structure (), upper bottom surface is the identical square of area, and the axis of connecting rod and the central point of upper bottom surface join, and its center of gravity is the close heavier end of material on the axis of the connecting rod of structure; Upper and lower bottom plate by geodesic structure (two) is identical in quality, and upper bottom surface is square shape, and the area of the Area Ratio bottom surface of upper bottom surface is little, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; By the upper and lower bottom plate of geodesic structure (three) size, shape and identical in quality, upper bottom surface is square shape, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; By the upper and lower bottom plate of geodesic structure (four) size, shape and identical in quality, upper bottom surface is square shape, the center of gravity of structure and its center superposition, the axis of connecting rod intersects in the perpendicular bisector on certain corresponding limit of upper bottom surface, two intersection points equidistant in opposite directions centers of departing from two bottom surfaces; Upper and lower bottom plate quality, area by geodesic structure (five) are identical, and the bottom surface of upper plate is square shape, and the bottom surface of lower shoe is rectangular shape, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; Upper and lower bottom plate quality, area by geodesic structure (six) are identical, and the bottom surface of upper plate is square shape, and the bottom surface of lower shoe is triangular shaped, and the axis of connecting rod and the central point of upper bottom surface join, the center of gravity of structure and its center superposition; By geodesic structure (three), by geodesic structure (four), by geodesic structure (five), identical in quality by all base plates of geodesic structure (six), the area of all bottom surfaces equates, is used for the relation of shape of the stability of play configuration and structure,
Describedly indicated with colour circle respectively by the center of geodesic structure and centre of gravity place, overlap as the center of fruit structure and center of gravity and just share a colour circle, at center and the centre of gravity place of structure, little suspension hook is housed respectively; Described side hardness by each base plate of geodesic structure is basic identical.
3. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described base is comprised of the bedplate of lower floor and the back up pad on upper strata, bedplate and back up pad all are rectangular structure, bedplate is in the longitudinal direction than the approximately short 1cm of support panel, on Width than the approximately wide 3cm of back up pad, the upper and lower surface plate aligns and connects with hinge or pin in a side of Width, opposite side at Width, back up pad exceeds approximately 1cm than bedplate, the upper and lower surface plate is in a side alignment of length direction, opposite side at length direction, bedplate exceeds approximately 3cm of back up pad, the center section that exceeds of bedplate is used for installing supporting seat.
4. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described supporting seat is comprised of bearing body, bearing set bolt and column set bolt, the boss that a high approximately 6cm is arranged in the middle of described bearing body, there is a square hole centre, just can insert column, the rear side of boss has a threaded hole, the column set bolt is by coordinating fastening column with this threaded hole, a bolt hole is respectively arranged on the both sides step of supporting seat, be used for supporting seat is fixed on bedplate.
5. the major influence factors tester of described structural stability according to claim 1, the xsect that it is characterized in that described column is square, one end of described column has the bent angle of 90 °, there is a vertical through hole in the somewhere of bent angle end, the vertical end of described column vertically is fixed on supporting seat, the other end is in horizontal level, is used for passing cycloid, suspension and fastening swing ball corner display disc.
6. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described swing ball corner display disc is by index dial, pointer, sleeve pipe, the cycloid reel, cycloid reel clamping screw, swing ball corner display disc clamping screw forms, described index dial shape is combined with the length rectangle identical with diameter of a circle by semicircle, the middle position of rectangular segment passes and fixed sleeving, the circle centre position riveted joint pointer of semi-circular portions, pointer can rotate around the axis, pointer namely turns namely and stops, respectively there is a threaded hole at the place of bottom center up and down of described sleeve pipe, the upper bottom surface threaded hole coordinates with cycloid reel clamping screw, the bottom surface threaded hole coordinates with swing ball corner display disc clamping screw.
7. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described swing ball is a metal medicine ball, a cone shape through hole is arranged on the axis direction of described swing ball, can connect cycloid, the described cycloid one end impact bead of ining succession, the through wires hole that the other end passes column is connected with the cycloid reel.
8. the major influence factors tester of described structural stability according to claim 1, it is characterized in that described back up pad corner display disc is comprised of angle index plate, pointer and register pin, described angle index plate is injection molded by transparent resin, two register pins are arranged on described angle index plate, be used for described back up pad corner display disc is fixed on bedplate, pointer is riveted on scaleplate, and pointer can rotate around the axis, and namely turns namely and stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100212462A CN103105280A (en) | 2013-01-21 | 2013-01-21 | Tester of main influencing factor of structure stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100212462A CN103105280A (en) | 2013-01-21 | 2013-01-21 | Tester of main influencing factor of structure stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103105280A true CN103105280A (en) | 2013-05-15 |
Family
ID=48313300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100212462A Pending CN103105280A (en) | 2013-01-21 | 2013-01-21 | Tester of main influencing factor of structure stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103105280A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913387A (en) * | 2014-03-17 | 2014-07-09 | 格力电器（武汉）有限公司 | Product structural strength testing device and method |
| CN106441771A (en) * | 2016-09-06 | 2017-02-22 | 广州市丹爵通讯科技有限公司 | Micro-distance drop testing device |
| CN106596027A (en) * | 2016-12-16 | 2017-04-26 | 武汉华星光电技术有限公司 | Ball falling detection device |
| CN106644766A (en) * | 2017-01-16 | 2017-05-10 | 中国电力科学研究院 | Apparatus and method for testing shear tolerance strength of head of disk-shaped suspension type insulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303808A (en) * | 2007-05-09 | 2008-11-12 | 刘海林 | Stability testing instrument |
| CN201203982Y (en) * | 2008-06-06 | 2009-03-04 | 张兆良 | Experimental device for verifying structure stability |
| CN201289698Y (en) * | 2008-09-04 | 2009-08-12 | 江苏教育家教学装备有限公司 | Experiment instrument for structure stability |
| CN102426808A (en) * | 2011-11-03 | 2012-04-25 | 西安交通大学 | Planar truss structural stability mechanics experimental apparatus |
| CN203101012U (en) * | 2013-01-21 | 2013-07-31 | 吴联进 | Main influence factor tester of structure stability |
-
2013
- 2013-01-21 CN CN2013100212462A patent/CN103105280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303808A (en) * | 2007-05-09 | 2008-11-12 | 刘海林 | Stability testing instrument |
| CN201203982Y (en) * | 2008-06-06 | 2009-03-04 | 张兆良 | Experimental device for verifying structure stability |
| CN201289698Y (en) * | 2008-09-04 | 2009-08-12 | 江苏教育家教学装备有限公司 | Experiment instrument for structure stability |
| CN102426808A (en) * | 2011-11-03 | 2012-04-25 | 西安交通大学 | Planar truss structural stability mechanics experimental apparatus |
| CN203101012U (en) * | 2013-01-21 | 2013-07-31 | 吴联进 | Main influence factor tester of structure stability |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913387A (en) * | 2014-03-17 | 2014-07-09 | 格力电器（武汉）有限公司 | Product structural strength testing device and method |
| CN106441771A (en) * | 2016-09-06 | 2017-02-22 | 广州市丹爵通讯科技有限公司 | Micro-distance drop testing device |
| CN106441771B (en) * | 2016-09-06 | 2018-11-06 | 东莞市立一试验设备有限公司 | A kind of microspur drop test device |
| CN106596027A (en) * | 2016-12-16 | 2017-04-26 | 武汉华星光电技术有限公司 | Ball falling detection device |
| CN106596027B (en) * | 2016-12-16 | 2019-01-04 | 武汉华星光电技术有限公司 | A kind of sphere falls detection device |
| CN106644766A (en) * | 2017-01-16 | 2017-05-10 | 中国电力科学研究院 | Apparatus and method for testing shear tolerance strength of head of disk-shaped suspension type insulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103105280A (en) | Tester of main influencing factor of structure stability | |
| CN210375124U (en) | Measuring device for municipal works | |
| CN209623989U (en) | A kind of adjustable civil engineering structure shock test device of direction of vibration | |
| CN108645566A (en) | A kind of bullet arrow quality center of mass rotary inertia testboard | |
| CN209044972U (en) | A kind of physical and mechanical experiment apparatus for demonstrating | |
| CN203101012U (en) | Main influence factor tester of structure stability | |
| EP3236202A2 (en) | Universal liquid angle indicator | |
| CN206805869U (en) | A kind of inclined plane demonstrating device for senior middle school physics teaching | |
| CN206177300U (en) | Rack node ball positioner | |
| CN108320636A (en) | A kind of physics teaching buoyancy experiment equipment | |
| CN216813601U (en) | Device of engineering measuring instrument centering | |
| CN106595622B (en) | Compass test fixture | |
| CN106023736B (en) | Physics teaching teaching aid | |
| CN203572628U (en) | Battery impact resistance testing device | |
| CN205968272U (en) | Fabrication chuck | |
| CN214107017U (en) | Laboratory fixing device | |
| CN205537625U (en) | Positive ware is surveyed to balanced double scale pole of bubble | |
| CN209559182U (en) | A kind of unpowered measuring device of pipeline space posture | |
| CN106198272A (en) | A kind of portable die hardness detecting instrument | |
| CN209486472U (en) | A kind of indicator tester | |
| CN203732077U (en) | Detection device for rapidly detecting working state of attitude heading computer | |
| CN209327157U (en) | Mortar consistency tester is used in a kind of detection of mortar | |
| KR200463225Y1 (en) | Apparatus for measuring strike and dip | |
| CN207337767U (en) | A kind of automobile using teaching demonstration plate | |
| CN210346994U (en) | Rotational inertia measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |