CN104596565A - Large-angle swinging test table - Google Patents
Large-angle swinging test table Download PDFInfo
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- CN104596565A CN104596565A CN201410848477.5A CN201410848477A CN104596565A CN 104596565 A CN104596565 A CN 104596565A CN 201410848477 A CN201410848477 A CN 201410848477A CN 104596565 A CN104596565 A CN 104596565A
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- hydraulic cylinder
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- hanger
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Abstract
The invention provides a large-angle swinging test table, including a test base, a platform, a driving mechanism and a turning mechanism, wherein the turning mechanism includes a power assembly and a turning ring, the platform supports the turning ring to rotate around the central line of the turning ring, and the power assembly provides power for driving the turning ring to rotate around the central line thereof; the driving mechanism includes a front driving assembly, a rear driving assembly and a lateral driving assembly uniformly distributed on the side wall of the platform; the front driving assembly and the rear driving assembly are arranged symmetrically; the lateral driving assembly is arranged between the front and rear driving assemblies; the front driving assembly includes a first hydraulic cylinder and a second hydraulic cylinder; the included angle between the piston rods of the first and second hydraulic cylinders is am acute angle. The large-angle swinging test table can swing in a large angle of two degrees of freedom, meanwhile the product to be tested can be rotated and moved upwards; the large-angle swinging test table is simple and ingenious in structural design, so that the test table is very convenient to maintain when a fault occurs.
Description
Technical field
The invention belongs to testing inspection field, especially relates to a kind of wide-angle swinging experiment table.
Background technology
Swaying Test Platform is a kind of analogue simulation test unit, for the requirement of different product and the rolling test produced in various degree, but all can the testing table that waves of wide-angle two degree of freedom in existing Swaying Test Platform, can be there are some unstable situations in the structure of existing testing table simultaneously in rolling test, accurately can not carry out the rocking action under specific amplitude according to testing requirements.
Summary of the invention
The problem that the invention will solve proposes a kind of two degree of freedom all can realize waving and the Swaying Test Platform of wide-angle.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: a kind of wide-angle swinging experiment table, and it comprises test stand, platform, driving mechanism and slew gear;
Described platform is positioned at the top of described test stand;
Described slew gear comprises Power Component and turning circle, and this turning circle of described platform supports rotates around its center line, and described Power Component provides the power rotated around its center line for described turning circle;
Described driving mechanism comprises the front wheel driving assembly be distributed in mesa sidewalls, rear drive assembly and side driven unit, described front wheel driving assembly and rear drive assembly symmetry are set up, described side driven unit is located between front wheel driving assembly and rear drive assembly, described front wheel driving assembly comprises the first hydraulic cylinder and the second hydraulic cylinder, the piston rod part of described first hydraulic cylinder and the second hydraulic cylinder is adjacent to be set up and all hinged with described platform, the bottom of described first hydraulic cylinder and the second hydraulic cylinder is all hinged with described test stand, the axis angle of the piston rod of the first hydraulic cylinder and the second hydraulic cylinder is acute angle, described rear drive assembly comprises the 3rd hydraulic cylinder and the 4th hydraulic cylinder, and the piston rod part of the 3rd hydraulic cylinder and the 4th hydraulic cylinder is adjacent sets up and hinged with described platform, the bottom of the 3rd hydraulic cylinder and the 4th hydraulic cylinder is all hinged with described testing table, described side driven unit comprises the first hinge and the second hinge, described first hinge is placed between the second hydraulic cylinder and the 3rd hydraulic cylinder, described second hinge is placed between the first hydraulic cylinder and the 4th hydraulic cylinder, and the top of the first hinge and the second hinge is all hinged with platform, all hinged with testing table bottom it.
Further, side walls hinged all by Hooke's hinge and described platform of the piston rod part of described first hydraulic cylinder, the second hydraulic cylinder, the 3rd hydraulic cylinder and the 4th hydraulic cylinder.
Further, the bottom of described first hydraulic cylinder, the second hydraulic cylinder, the 3rd hydraulic cylinder and the 4th hydraulic cylinder all by ball pivot and described testing table hinged.
Further, described platform is polyhedron and has manhole in the middle part of it, the axis of described turning circle and the axis conllinear of this manhole, and the annular diameters of described turning circle is greater than the aperture of described manhole.
Further, the outer wall around described turning circle evenly has tooth bar, and described Power Component comprises motor and gear, and described gear engages with the tooth bar on described turning circle, and this gear is placed on the outer wall of described motor output shaft.
Further, described first hinge and the second hinge include hinge and lower hinge, and the top of described upper hinge by Hooke's hinge and described platform hinged.
Further, two sidewalls of the bottom of described upper hinge are arranged with hinge hanger on a pair, the top of described lower hinge and two sidewalls of bottom are equipped with the lower hinge hanger of a pair symmetry, rotation space is formed between a pair time hinge hanger at the top of described lower hinge, and this supports a shaft between lower hinge hanger, the bottom of described upper hinge is placed in this rotation space, described shaft wears the through hole be emitted through on hinge hanger simultaneously, and on this, hinge is rotationally connected by this shaft and described lower hinge.
Further, between a pair time hinge hanger bottom described lower hinge, support a lower rotary shaft, described testing table be provided with hinge hanger lower to this corresponding connect hanger a pair, be rotationally connected with the described hanger that is connected by described lower rotary shaft bottom this lower hinge.
Further, described side driven unit also comprises the 5th corresponding with the first hinge and the second hinge respectively hydraulic cylinder and the 6th hydraulic cylinder, the lower surface of the middle and upper part of described upper hinge has a groove, two internal groove side walls of this groove have the mounting hole of a pair symmetry, by this to rotating shaft in mounting hole supporting one, the piston rod that upper hinge in described first hinge passes through upper rotating shaft and the 5th hydraulic cylinder that it is installed is hinged, and the piston rod that the upper hinge in described second hinge passes through upper rotating shaft and the 6th hydraulic cylinder that it is installed is hinged.
Further, the bottom of the 5th hydraulic cylinder and the 6th hydraulic cylinder all by ball pivot and described testing table hinged.
The advantage that the invention has and good effect are: this testing table is compared to existing testing table, can at the large angle pendulum of two degree of freedom, can also realize needing the product of test to provide rotation and upward movement simultaneously, structural design is simple and ingenious, so testing table is when breaking down, keep in repair also very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the structural representation of the slew gear of the present embodiment;
Fig. 3 is the structural representation of second hinge of the present embodiment;
Fig. 4 is first hydraulic cylinder of the present embodiment and the displacement curve figure of the second hydraulic cylinder;
Fig. 5 is the 3rd hydraulic cylinder of the present embodiment and the displacement curve figure of the 4th hydraulic cylinder;
Fig. 6 is the pin joint speed curve diagram of the first hydraulic cylinder to the 4th hydraulic cylinder of the present embodiment;
Fig. 7 is first hydraulic cylinder of the present embodiment and the pin joint stress curve figure of the second hydraulic cylinder;
Fig. 8 is the 3rd hydraulic cylinder of the present embodiment and the pin joint stress curve figure of the 4th hydraulic cylinder;
Fig. 9 is the rotation stress curve figure in first hinge of the present embodiment;
Figure 10 is the rotation stress curve figure in second hinge of the present embodiment;
Figure 11 is subject to the pin joint stress curve figure of the second hydraulic cylinder when thumping load when being the Platform movement 5 seconds of the present embodiment;
Figure 12 is subject to the pin joint stress curve figure of the 3rd hydraulic cylinder when thumping load when being the Platform movement 5 seconds of the present embodiment;
The first hinge that Figure 13 is subject to when being the Platform movement 5 seconds of the present embodiment when thumping load rotates stress curve figure;
The second hinge that Figure 14 is subject to when being the Platform movement 5 seconds of the present embodiment when thumping load rotates stress curve figure.
In figure:
1, the first hydraulic cylinder 2, second hydraulic cylinder 3, the 3rd hydraulic cylinder 4 the 4th hydraulic cylinder
5, the 5th hydraulic cylinder 6, the 6th hydraulic cylinder 7, first hinge 8, second hinge
9, testing table 10, platform 11, ball pivot 12, Hooke's hinge
82, lower hinge 821, lower rotary shaft 83, upper hinge 84, shaft
831, upper rotating shaft 91, turning circle 92, motor 921, gear
Embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the invention.
In the present embodiment, the first hydraulic cylinder all adopts cylinder long to the 4th hydraulic cylinder is 4500mm, and stroke is 3000mm, and the cylinder of the 5th hydraulic cylinder and the 6th hydraulic cylinder is long is 2600mm, and stroke is 2000mm;
And Hooke's hinge and ball pivot all adopt bearing capacity to be 400KN's.
And the rotating shaft that the rotation stress point of the first hinge 7 and the second hinge 8 is in the Hooke's hinge 12 corresponding with it is stressed.
As Figure 1-3, a kind of wide-angle swinging experiment table, it comprises test stand 9, platform 10, driving mechanism and slew gear;
Described platform 10 is positioned at the top of described test stand 9;
Described slew gear comprises Power Component and turning circle 91, and described platform 10 supports this turning circle 91 and rotates around its center line, and described Power Component provides the power rotated around its center line for described turning circle 91;
Described platform 10 is octahedra and has manhole, the axis of described turning circle 91 and the axis conllinear of this manhole in the middle part of it, and the annular diameters of described turning circle 91 is greater than the aperture of described manhole;
Outer wall around described turning circle 91 evenly has tooth bar, and described Power Component comprises motor 92 and gear 921, and described gear 921 engages with the tooth bar on described turning circle 91, and this gear 921 is placed on the outer wall of described motor 92 output shaft.
Described driving mechanism comprises the front wheel driving assembly be distributed on platform 10 sidewall, rear drive assembly and side driven unit, described front wheel driving assembly and rear drive assembly symmetry are set up, described side driven unit is located between front wheel driving assembly and rear drive assembly, described front wheel driving assembly comprises the first hydraulic cylinder 1 and the second hydraulic cylinder 2, the piston rod part of described first hydraulic cylinder 1 and the second hydraulic cylinder 2 is adjacent to be set up and all hinged with described platform 10, the bottom of described first hydraulic cylinder 1 and the second hydraulic cylinder 2 is all hinged with described test stand 9, the axis angle of the piston rod of the first hydraulic cylinder 1 and the second hydraulic cylinder 2 is acute angle, described rear drive assembly comprises the 3rd hydraulic cylinder 3 and the 4th hydraulic cylinder 4, and the piston rod part of the 3rd hydraulic cylinder 3 and the 4th hydraulic cylinder 4 is adjacent sets up and hinged with described platform 10, the bottom of the 3rd hydraulic cylinder 3 and the 4th hydraulic cylinder 4 is all hinged with described testing table 9,
Side walls hinged all by Hooke's hinge 12 and described platform 10 of the piston rod part of described first hydraulic cylinder 1, second hydraulic cylinder 2, the 3rd hydraulic cylinder 3 and the 4th hydraulic cylinder 4, bottom it all by ball pivot 11 and described testing table 9 hinged.
Described side driven unit comprises the first hinge 7 and the second hinge 8, described first hinge 7 is placed between the second hydraulic cylinder 2 and the 3rd hydraulic cylinder 3, described second hinge 8 is placed between the first hydraulic cylinder 1 and the 4th hydraulic cylinder 4, and the top of the first hinge 7 and the second hinge 8 is all hinged with platform 10, all hinged with testing table 9 bottom it;
Described first hinge 7 and the second hinge 8 include hinge 83 and lower hinge 82, and the top of described upper hinge 83 is hinged by Hooke's hinge 12 and described platform 10;
Two sidewalls of the bottom of described upper hinge 82 are arranged with hinge hanger on a pair, the top of described lower hinge and two sidewalls of bottom are equipped with the lower hinge hanger of a pair symmetry, rotation space is formed between a pair time hinge hanger at the top of described lower hinge, and this supports a shaft 84 between lower hinge hanger, the bottom of described upper hinge 83 is placed in this rotation space, described shaft 84 wears the through hole be emitted through on hinge hanger simultaneously, and on this, hinge 83 is rotationally connected with described lower hinge 82 by this shaft 84;
Support a lower rotary shaft 821 between a pair time hinge hanger bottom described lower hinge 82, described testing table 9 be provided with hinge hanger lower to this corresponding connect hanger a pair, be rotationally connected with the described hanger that is connected by described lower rotary shaft 821 bottom this lower hinge 82.
Described side driven unit also comprises the 5th corresponding with the first hinge 7 and the second hinge 8 respectively hydraulic cylinder 5 and the 6th hydraulic cylinder 6, the lower surface of the middle and upper part of described upper hinge 83 has a groove, two internal groove side walls of this groove have the mounting hole of a pair symmetry, by this to rotating shaft 831 in mounting hole supporting one, the piston rod that upper hinge 83 in described first hinge 7 passes through upper rotating shaft 831 and the 5th hydraulic cylinder 5 that it is installed is hinged, and the piston rod that the upper hinge 83 in described second hinge 8 passes through upper rotating shaft 831 and the 6th hydraulic cylinder 6 that it is installed is hinged; The bottom of described 5th hydraulic cylinder 5 and the 6th hydraulic cylinder 6 is all hinged by ball pivot 11 and described testing table 9.
The principle of work of the present embodiment:
Stressed and running orbit between each mechanism and running assembly as shown in figs. 4 through 10.
Now be described for an instantaneous time point:
When whole experiment table operated for 1 second time, the piston rod of the first hydraulic cylinder 1 and the second hydraulic cylinder 1 does extend action and is in extreme position, the 3rd hydraulic cylinder 3 now and the piston rod of the 4th hydraulic cylinder 4 are in the extreme position of retraction, now platform 10 will swing, then towards the 3rd hydraulic cylinder 3 and the deflection of the 4th hydraulic cylinder 4 position, platform 10 is now by the motion of the 5th hydraulic cylinder 5 and the 6th hydraulic cylinder 6, and the Hooke's hinge 12 on the first hinge 7 and the second hinge 8 also receives torsion;
And when the 5th hydraulic cylinder 5 gives platform 10 1 thrust time, the 6th hydraulic cylinder 6 phase coordinates with it, provides pulling force to platform 10, and the first hydraulic cylinder 1 to the four hydraulic cylinder 4 now all can produce the effect of a power to platform 10.
While platform 10 waves, motor 92 driven gear 921 rotates, and then stirs the turning circle 91 engaged with it, and the product of required test is fixed on turning circle 91 and also rotates therewith.
Can infer according to above-mentioned operation, with the first hydraulic cylinder 1 and the second hydraulic cylinder 2 for front, and then can X be set, Y, the orientation of Z axis, the face that X-axis and Z axis form is front, namely with horizontal plane be Z axis, be laterally X-axis, platform 10 is positive and negative 45 degree and its cycle around the angle that X-axis is rotated is 3-10 second, and platform 10 is positive and negative 15 degree and its cycle around the angle that Y-axis is rotated is 4-10 second, and platform 10 also can move up and down along Z axis, simultaneously slew gear can provide turning circle 91 to be positive and negative 10 degree and its cycle around the angle that Z axis rotates is 4-10 second, platform 10 also can do translation motion along X-axis, whole Swaying Test Platform can realize the swing of five degree of freedom above.
The range spacing of described first hydraulic cylinder 1 to the four hydraulic cylinder 4 is 2773.73mm, and to wave maximal rate be 1281mm/s, the maximum force of the 3rd hydraulic cylinder 3 and the 4th hydraulic cylinder 4 pairs of platforms 10 is 26.02 tons, and the maximum weighted of each rotating shaft of the first hinge 7 is 28.8 tons, each rotating shaft maximum weighted of second hinge 8 is 33.97 tons, and the maximum weighted of the 5th hydraulic cylinder 5 is now 46 tons.
And when platform 10 moved to for 5 second time, reaching the operational limitation of each hydraulic cylinder, the stressed of the first hinge 7 is now 38.86 tons, the stressed reduction of the second hinge 8 now, the stressed also corresponding reduction of connected 6th hydraulic cylinder 6.
Above the embodiment of the invention has been described in detail, but described content being only the preferred embodiment of the invention, the practical range for limiting the invention can not being considered to.All equalizations done according to the invention scope change and improve, and all should still belong within this patent covering scope.
Claims (10)
1. a wide-angle swinging experiment table, is characterized in that: comprise test stand (9), platform (10), driving mechanism and slew gear;
Described platform (10) is positioned at the top of described test stand (9);
Described slew gear comprises Power Component and turning circle (91), described platform (10) supports this turning circle (91) and rotates around its center line, and described Power Component is that described turning circle (91) provides the power rotated around its center line;
Described driving mechanism comprises the front wheel driving assembly be distributed on platform (10) sidewall, rear drive assembly and side driven unit, described front wheel driving assembly and rear drive assembly symmetry are set up, described side driven unit is located between front wheel driving assembly and rear drive assembly, described front wheel driving assembly comprises the first hydraulic cylinder (1) and the second hydraulic cylinder (2), the piston rod part of described first hydraulic cylinder (1) and the second hydraulic cylinder (2) is adjacent to be set up and all hinged with described platform (10), the bottom of described first hydraulic cylinder (1) and the second hydraulic cylinder (2) is all hinged with described test stand (9), the axis angle of the piston rod of the first hydraulic cylinder (1) and the second hydraulic cylinder (2) is acute angle, described rear drive assembly comprises the 3rd hydraulic cylinder (3) and the 4th hydraulic cylinder (4), and the piston rod part of the 3rd hydraulic cylinder (3) and the 4th hydraulic cylinder (4) is adjacent sets up and hinged with described platform (10), the bottom of the 3rd hydraulic cylinder (3) and the 4th hydraulic cylinder (4) is all hinged with described testing table (9), described side driven unit comprises the first hinge (7) and the second hinge (8), described first hinge (7) is placed between the second hydraulic cylinder (2) and the 3rd hydraulic cylinder (3), described second hinge (8) is placed between the first hydraulic cylinder (1) and the 4th hydraulic cylinder (4), and the top of the first hinge (7) and the second hinge (8) is all hinged with platform (10), all hinged with testing table (9) bottom it.
2. a kind of wide-angle swinging experiment table according to claim 1, is characterized in that: side walls hinged all by Hooke's hinge (12) and described platform (10) of the piston rod part of described first hydraulic cylinder (1), the second hydraulic cylinder (2), the 3rd hydraulic cylinder (3) and the 4th hydraulic cylinder (4).
3. a kind of wide-angle swinging experiment table according to claim 1 and 2, is characterized in that: the bottom of described first hydraulic cylinder (1), the second hydraulic cylinder (2), the 3rd hydraulic cylinder (3) and the 4th hydraulic cylinder (4) is all hinged by ball pivot (11) and described testing table (9).
4. a kind of wide-angle swinging experiment table according to claim 1, it is characterized in that: described platform (10) is for octahedra polyhedron and have manhole in the middle part of it, the axis of described turning circle (91) and the axis conllinear of this manhole, and the annular diameters of described turning circle (91) is greater than the aperture of described manhole.
5. a kind of wide-angle swinging experiment table according to claim 4, it is characterized in that: the outer wall around described turning circle (91) evenly has tooth bar, described Power Component comprises motor (92) and gear (921), described gear (921) engages with the tooth bar on described turning circle (91), and this gear (921) is placed on the outer wall of described motor (92) output shaft.
6. a kind of wide-angle swinging experiment table according to claim 1, it is characterized in that: described first hinge (7) and the second hinge (8) include hinge (83) and lower hinge (82), and the top of described upper hinge (83) is hinged by Hooke's hinge (12) and described platform (10).
7. a kind of wide-angle swinging experiment table according to claim 6, it is characterized in that: two sidewalls of the bottom of described upper hinge (82) are arranged with hinge hanger on a pair, the top of described lower hinge and two sidewalls of bottom are equipped with the lower hinge hanger of a pair symmetry, rotation space is formed between a pair time hinge hanger at the top of described lower hinge, and this supports a shaft (84) between lower hinge hanger, the bottom of described upper hinge (83) is placed in this rotation space, described shaft (84) wears the through hole be emitted through on hinge hanger simultaneously, on this, hinge (83) is rotationally connected by this shaft (84) and described lower hinge (82).
8. a kind of wide-angle swinging experiment table according to claim 7, it is characterized in that: between a pair time hinge hanger of described lower hinge (82) bottom, support a lower rotary shaft (821), described testing table (9) be provided with hinge hanger lower to this corresponding connect hanger a pair, this lower hinge (82) bottom is rotationally connected with the described hanger that is connected by described lower rotary shaft (821).
9. according to claim 6, a kind of wide-angle swinging experiment table described in 7 or 8, it is characterized in that: described side driven unit also comprises the 5th corresponding with the first hinge (7) and the second hinge (8) respectively hydraulic cylinder (5) and the 6th hydraulic cylinder (6), the lower surface of the middle and upper part of described upper hinge (83) has a groove, two internal groove side walls of this groove have the mounting hole of a pair symmetry, by this to rotating shaft (831) in mounting hole supporting one, upper hinge (83) in described first hinge (7) is hinged with the piston rod of the 5th hydraulic cylinder (5) by the upper rotating shaft (831) that it is installed, upper hinge (83) in described second hinge (8) is hinged with the piston rod of the 6th hydraulic cylinder (6) by the upper rotating shaft (831) that it is installed.
10. a kind of wide-angle swinging experiment table according to claim 9, is characterized in that: the bottom of described 5th hydraulic cylinder (5) and the 6th hydraulic cylinder (6) is all hinged by ball pivot (11) and described testing table (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848477.5A CN104596565B (en) | 2014-12-30 | 2014-12-30 | Large-angle swinging test table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848477.5A CN104596565B (en) | 2014-12-30 | 2014-12-30 | Large-angle swinging test table |
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| CN104596565A true CN104596565A (en) | 2015-05-06 |
| CN104596565B CN104596565B (en) | 2017-01-18 |
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| CN201410848477.5A Active CN104596565B (en) | 2014-12-30 | 2014-12-30 | Large-angle swinging test table |
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| CN106510260A (en) * | 2016-12-10 | 2017-03-22 | 宁秀芬 | Intelligent rocking chair |
| CN108286426A (en) * | 2017-12-18 | 2018-07-17 | 中国矿业大学 | A kind of horizontal inclined hole deviational survey platform |
| WO2018148917A1 (en) * | 2017-02-17 | 2018-08-23 | 苏州科爱佳自动化科技有限公司 | Aerospace-grade ball grid detection system |
| CN109048808A (en) * | 2018-08-29 | 2018-12-21 | 江苏大学 | A kind of Three Degree Of Freedom waves turntable |
| CN112525451A (en) * | 2020-10-26 | 2021-03-19 | 中国人民解放军92942部队 | Multi-axis swinging and vibrating composite test platform |
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| CN112525451A (en) * | 2020-10-26 | 2021-03-19 | 中国人民解放军92942部队 | Multi-axis swinging and vibrating composite test platform |
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|---|---|
| CN104596565B (en) | 2017-01-18 |
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Denomination of invention: Large-angle swinging test table Effective date of registration: 20190925 Granted publication date: 20170118 Pledgee: Tianjin SME Credit Financing Guarantee Center Pledgor: Tianjin Fuyun Tianyi Technology Co., Ltd. Registration number: Y2019120000006 |
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Date of cancellation: 20220427 Granted publication date: 20170118 Pledgee: Tianjin SME Credit Financing Guarantee Center Pledgor: TIANJIN FUYUN TIANYI TECHNOLOGY Co.,Ltd. Registration number: Y2019120000006 |