CN110657942A - Dynamic simulation experiment platform for liquid-filled storage tank - Google Patents
Dynamic simulation experiment platform for liquid-filled storage tank Download PDFInfo
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- CN110657942A CN110657942A CN201910993207.6A CN201910993207A CN110657942A CN 110657942 A CN110657942 A CN 110657942A CN 201910993207 A CN201910993207 A CN 201910993207A CN 110657942 A CN110657942 A CN 110657942A
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 238000005094 computer simulation Methods 0.000 title claims abstract description 20
- 230000001133 acceleration Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 239000013585 weight reducing agent Substances 0.000 claims 1
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- 229920002635 polyurethane Polymers 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses a dynamic simulation experiment platform for a liquid-filled storage tank, which relates to the technical field of liquid shaking experiments and comprises a first plate, a storage tank arranged on the first plate, a fixing device used for fixing the storage tank, a second plate, a rigid rod arranged between the first plate and the second plate, a force sensor arranged on the rigid rod, a moving assembly arranged below the second plate, a third plate used for supporting the moving assembly and an acceleration sensor arranged on the first plate or the second plate.
Description
Technical Field
The invention relates to the technical field of liquid shaking experiments, in particular to a dynamic simulation experiment platform for a liquid-filled storage tank.
Background
The liquid-filled storage tank is widely used in the industrial fields of aviation, aerospace, traffic, chemical engineering and the like, and the liquid shaking in the storage tank has important influence on the dynamic characteristics of a bearing structure. When excited by the outside, the free liquid level of the liquid in the storage tank generates relative motion, and generates shaking force and overturning moment on the storage tank, thereby influencing the mechanical property of the storage tank structure and the stability of the whole liquid filling system and generating potential safety hazard. Therefore, it is very necessary to research the sloshing characteristic of the liquid in the storage tank, explore the sloshing rule and apply the sloshing rule to engineering practice.
In the prior art, the study on the shaking characteristics of the liquid in the storage tank is realized by only carrying out mathematical modeling through various software to assume various conditions and finally obtaining various important parameters such as shaking force, shaking moment, acceleration and the like when the liquid shakes through calculation, solution and analysis.
Therefore, how to solve the technical problem of the prior art that no specific device is provided for accurately measuring various important parameters of the sloshing liquid in the storage tank becomes an important technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a dynamic simulation experiment platform for a liquid-filled storage tank, which aims to solve the technical problem that in the prior art, no specific device is used for accurately measuring various important parameters of shaking liquid in the storage tank. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a dynamic simulation experiment platform of a liquid-filled storage tank, which comprises: the device comprises a first plate for supporting the storage box, wherein a fixing device for fixing the storage box is arranged on the upper surface of the first plate;
the first end of the rigid rod is arranged on the lower surface of the first plate, the rigid rod comprises a first rigid rod, a second rigid rod, a third rigid rod and a fourth rigid rod, the first rigid rod, the third rigid rod and the fourth rigid rod are respectively provided with a single-axis force sensor for measuring respective axial force, the second rigid rod is provided with a three-axis force sensor, the second rigid rod is arranged at the centroid position of the first plate, the fourth rigid rod comprises a vertical rod and a horizontal rod, the vertical rod and the horizontal rod are connected through a ball hinge in a 90-degree mode, and the single-axis force sensor on the fourth rigid rod is positioned on the horizontal rod;
the second end of each rigid rod is connected with a second plate, one end of the second plate is provided with a connecting piece for connecting with a vibration exciter, the first rigid rod and the third rigid rod are connected with the first plate and the second plate through spherical hinges, the second rigid rod is connected with the first plate and the second plate through threaded rods, the horizontal rod is connected with the first plate through the spherical hinges, and the vertical rod is connected with the second plate through the threaded rods;
the plurality of moving assemblies are arranged below the second plate and can enable the second plate to reciprocate along one end of the second plate to the other end under the driving of the vibration exciter;
a third plate member disposed below each of the moving assemblies for supporting each of the moving assemblies;
the acceleration sensor is arranged on the first plate or the second plate and used for measuring the acceleration of the platform during movement;
and each single-axis force sensor, each three-axis force sensor and each acceleration sensor are in communication connection with a controller.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the motion assembly is a guide rail assembly and comprises two supporting seats arranged on the third plate, an optical axis arranged between the two supporting seats and a linear bearing which is in sliding fit with the optical axis and is fixedly connected with the second plate.
Furthermore, the fixing device comprises a plurality of bending plates with through holes, a plurality of long slotted holes which are arranged on the first plate and penetrate through the first plate along the thickness direction, and a bolt assembly which penetrates through the through holes and the long slotted holes and fixes the through holes and the long slotted holes, wherein the bending plates can move along the length direction of the long slotted holes and are locked at the positions, and each bending plate is enclosed into a space structure for placing the storage box.
Furthermore, the horizontal connecting line of the first rigid rod, the second rigid rod and the third rigid rod is a right triangle, the second rigid rod is located at the right angle of the right triangle and the centroid of the second plate, and the vertical rod is located on the extension line of the right-angle side.
Further, the two moving assemblies are symmetrically arranged below the second plate.
Further, the centroid positions of the first plate, the second plate and the third plate are all arranged on the axis of the storage box.
Furthermore, a limit stop used for preventing the linear bearing from colliding with the supporting seat is arranged on the third plate.
Further, the cross-sections of the first plate, the second plate, the third plate and the tank are polygonal or circular.
Furthermore, a plurality of through holes for reducing weight are formed in the first plate.
Furthermore, the lower surface of the third plate is provided with a foot assembly or a brake caster which is used for contacting with the ground.
In the technical scheme provided by the invention, the dynamic simulation experiment platform for the liquid-filled storage tank comprises a first plate, wherein a fixing device for fixing the storage tank is arranged on the first plate, a rigid rod is arranged on the lower surface of the first plate and comprises a first rigid rod, a second rigid rod, a third rigid rod and a fourth rigid rod, single-axis force sensors for measuring axial force are arranged on the first rigid rod, the third rigid rod and the fourth rigid rod, a three-axis force sensor is arranged on the second rigid rod, the second rigid rod is arranged at the centroid position of the first plate, the fourth rigid rod comprises a vertical rod and a horizontal rod, the vertical rod and the horizontal rod are connected through a spherical hinge at 90 degrees, and the single-axis force sensor on the fourth rigid rod is positioned on the horizontal rod; the second end of each rigid rod is connected with a second plate, one end of the second plate is provided with a connecting piece for connecting with a vibration exciter, the first rigid rod and the third rigid rod are connected with the first plate and the second plate through spherical hinges, the second rigid rod is connected with the first plate and the second plate through threaded rods, the horizontal rod is connected with the first plate through the spherical hinges, and the vertical rod is connected with the second plate through the threaded rods; a plurality of moving assemblies which are arranged below the second plate and enable the second plate to reciprocate along one end of the second plate to the other end under the driving of the vibration exciter; a third plate member disposed under each of the moving assemblies for supporting each of the moving assemblies; the acceleration sensor is arranged on the first plate or the second plate and used for measuring the acceleration of the platform during movement; and each single-axis force sensor, each three-axis force sensor and each acceleration sensor are in communication connection with the controller. So, under the drive of vibration exciter, the motion subassembly is simple harmonic motion, thereby drive the storage tank back and forth movement, through each single-axis force sensor, triaxial force sensor and acceleration sensor, gather the storage tank in the motion process, the real-time force and the real-time acceleration of each direction of its production, then send the data of gathering to the controller, output waveform on the display screen, thereby calculate and obtain various important data, solve the technical problem that does not have concrete device to come the multiple important parameter of the interior liquid of rocking of accurate measurement storage tank that exists among the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dynamic simulation experiment platform of a liquid-filled tank in an embodiment of the invention;
FIG. 2 is a schematic top view of a dynamic simulation experiment platform for a liquid storage tank according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a front view of a dynamic simulation experiment platform of a liquid-filled tank in the embodiment of the invention;
FIG. 4 is a schematic side view of a dynamic simulation experiment platform of the liquid-filled tank in the embodiment of the invention.
In the figure, 1-a storage box, 2-a fixing device, 21-a bending plate, 22-a long slotted hole, 3-a first plate, 31-a through hole, 4-a first rigid rod, 5-a second rigid rod, 6-a third rigid rod, 7-a fourth rigid rod, 71-a vertical rod, 72-a horizontal rod, 8-a second plate, 9-a moving component, 91-a supporting seat, 92-an optical axis, 93-a linear bearing, 10-a third plate, 11-a ground foot component, 12-a single-axis force sensor, 13-an acceleration sensor, 14-a connecting piece and 15-a three-axis force sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The purpose of this embodiment is to provide a liquid-filled storage tank dynamics simulation experiment platform, under the drive of vibration exciter, through setting up the force sensor under the storage tank, measure its all directions's power to derive its power of rocking apart from, through the acceleration sensor who sets up on the platform, measure its acceleration, thereby solved the technical problem that does not have concrete device to accurately measure the multiple important parameter of rocking liquid in the storage tank among the prior art.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 to 4, the dynamic simulation experiment platform for a liquid-filled tank provided in this embodiment includes a first plate 3 for supporting the tank 1, the size and shape of the tank 1 may be set according to actual situations, and both circular and polygonal shapes may be used; the first plate 3 is sized and shaped according to the size and shape of the tank 1, and the first plate 3 is provided with fixing means 2 for fixing the tank 1, which, in this embodiment, the first plate 3 is a plate-shaped structure with a rectangular structure, the fixing device 2 comprises a bending plate 21, a plurality of slotted holes 22 and a bolt component for connecting the two together, the bending plate 21 is a right-angled triangle structure formed by two vertical plates, the surface of the first plate 3 is provided with a through hole, the size of the through hole is the same as the size of the notch of the long slot hole 22, it is noted that the shape of the surface where the bending plate 21 is connected with the storage tank 1 is determined according to the shape of the storage tank 1, for example, in the embodiment, the shape of the storage tank 1 is circular, the surface of the joint of the bending plate 21 and the storage box 1 has a certain radian so as to be attached to the storage box 1, so that the storage box 1 can be clamped more firmly; the long slotted holes 22 are long holes which are arranged on the first plate member 3 and penetrate through the first plate member along the thickness direction, the long slotted holes 22 are uniformly distributed on the first plate member 3, the distribution mode of the long slotted holes is related to the appearance of the storage box 1, in the embodiment, the distribution of the long slotted holes 22 is in a cross shape, the bolt assembly comprises a bolt and a nut, the bending plate 21 is moved by loosening and tightening the nut, so that the storage boxes 1 with different sizes are fixed, the universality is wide, and the fixing range is determined according to requirements; it should be noted that the fixing device 2 is not limited to the above-described form, and may be any device as long as the tank 1 can be firmly fixed to the first plate 3.
In addition, rigid rods are arranged below the first plate 3, the rigid rods comprise a first rigid rod 4, a second rigid rod 5, a third rigid rod 6 and a fourth rigid rod 7, the first plate 3 is connected with the first end of each rigid rod, the second end of each rigid rod is connected with a second plate 8, the size and the shape of the second plate 8 can be set according to requirements, force sensors are arranged on the first rigid rod 4, the second rigid rod 5, the third rigid rod 6 and the fourth rigid rod 7, in the embodiment, the second plate 8 is of a rectangular plate-shaped structure, single-axis force sensors 12 are arranged on the first rigid rod 4, the third rigid rod 6 and the fourth rigid rod 7, the fourth rigid rod 7 comprises a horizontal rod 72 and a vertical rod 71 which are connected at 90 degrees through a spherical hinge, the single-axis force sensor 12 on the fourth rigid rod 7 is arranged on the horizontal rod 72, and the other end of the horizontal rod 72 is connected with the first plate 3 through a spherical hinge, the other end of the vertical rod 71 is connected with the second plate 8 through a threaded rod, the second rigid rod 5 is provided with a three-axis force sensor 15, wherein two ends of the second rigid rod 5 are respectively arranged at the centroid positions of the first plate 3 and the second plate 8, so that the three-axis force sensor 15 can conveniently and accurately measure the shaking force in each direction, thereby obtaining the moment, it should be noted that the rigid rod provided with the three-axis force sensor 15 is necessarily arranged at the centroid positions of the first plate 3 and the second plate 8, the positions of the remaining three rigid rods are not fixed, as long as the rigid rods are arranged around the rigid rod, and the shaking force can be measured through experiments, in this embodiment, the connecting line in the horizontal direction of the first rigid rod 4, the second rigid rod 5 and the third rigid rod 6 is a right triangle, the second rigid rod 5 is positioned at the right angle of the right triangle, the vertical rod 71 is positioned on the extension line of the right angle side where the second rigid rod 5 and the third rigid rod 6 are positioned, and is close to the third rigid rod 6, so that the shaking moment can be more conveniently calculated; the two ends of the first rigid rod 4 and the third rigid rod 6 are connected with the first plate 3 and the second plate 8 through spherical hinges, the two ends of the second rigid rod 5 are connected with the first plate 3 and the second plate 8 through threaded rods, so that the axial force of each current rigid rod can be measured in real time through the spherical hinge connection, the threaded rods are connected and cannot move along with the storage box 1, the shaking force in the directions of the X axis, the Y axis and the Z axis is measured, the collected data are sent to the controller, and the shaking moment of the rigid rods is finally calculated.
In addition, a connecting piece 14 for connecting with a vibration exciter is arranged on the second plate 8, the connecting piece 14 is a right-angled triangle structure formed by two plates perpendicular to each other, a reinforcing rib for reinforcing the structure is arranged on the inner side of the right-angled triangle structure, one right-angled surface of the connecting piece 14 is connected with the second plate 8 through a bolt, and a mounting hole for connecting with the vibration exciter is arranged on the other surface of the connecting piece, it should be noted that, in this embodiment, the experimental platform is connected with the vibration exciter through the connecting piece 14, and of course, in other embodiments, the experimental platform may be connected with the vibration exciter through other methods or directly placed on a vibration table for experiment; a plurality of moving assemblies 9 are arranged below the second plate 8, a third plate 10 used for supporting each moving assembly 9 is arranged below the plurality of moving assemblies 9, the size and the shape of the third plate 10 can be set according to requirements, and each moving assembly 9 can reciprocate from one end to the other end of the first plate 3 under the driving of a vibration exciter; in this embodiment, the third plate 10 is a plate-shaped structure with a rectangular structure, the moving assembly 9 is two guide rail assemblies, and the two guide rail assemblies are symmetrically arranged below the second plate 8, so that the two guide rail assemblies can meet the requirement, thereby reducing the cost, each guide rail assembly comprises two support seats 91 arranged on the third plate 10, an optical axis 92 arranged between the two support seats 91, and two linear bearings 93, the linear bearings 93 can slide on the optical axis 92, the use of the support seats 91, the optical axis 92, and the linear bearings 93 is a common technical means in the prior art, the type of the support seats 91, the optical axis 92, and the linear bearings 93 can be purchased according to the requirement, and the moving assembly 9 is fixedly connected with the second plate 8 through the linear bearings 93, and the connection mode is screw connection; it should be noted that the moving assembly 9 is not limited to the guide rail assembly, and may also be a sliding rail assembly, and is provided with a sliding groove, a sliding member, and a connecting member fixedly connected to the second plate 8, so as to implement a reciprocating function.
Further, the dynamic simulation experiment platform for the liquid-filled tank further comprises an acceleration sensor 13, which is arranged on the first plate 3 or the second plate 8, and the specific position can be set according to the requirement, in this embodiment, the acceleration sensor 13 is arranged on the second plate 8 and is located at a different end from the connecting member 14; the single-axis force sensor 12, the three-axis force sensor 15 and the acceleration sensor 13 are all connected with a computer terminal through a signal acquisition instrument in a communication way.
It should be noted that, under the driving of the vibration exciter, the motion assembly 9 does simple harmonic motion, thereby driving the storage tank 1 to move back and forth, and through each single-axis force sensor 12, three-axis force sensor 15 and acceleration sensor 13, the real-time force and real-time acceleration in each direction generated by the storage tank 1 in the motion process are collected, and then the collected data are sent to the signal collector, and then sent to the computer terminal, and the waveform is output on the display screen, thereby obtaining various important data, thus solving the technical problem that there is no specific device to accurately measure various important parameters of the shaking liquid in the storage tank 1 in the prior art.
As an alternative embodiment, the centroids of the first plate 3, the second plate 8 and the third plate 10 are all arranged on the axis of the storage box 1, so that the platform is stable in structure, the centroids of the first plate 3, the second plate 8 and the third plate 10 are all arranged on the same axis, and the measured data are more accurate.
In a further preferred embodiment, the third plate 10 is provided with limit stops for preventing the linear bearing 93 from colliding with the support seat 91, two limit stops are arranged below each moving assembly 9, and are respectively arranged below the optical axis 92 and fixed on the third plate 10 through screws, and the limit stops are close to the support seats 91 at two ends, the distance between the two limit stops is slightly larger than the stroke of the moving assembly 9, the limit stops may be made of hard or soft materials, preferably made of polyurethane materials, and the shapes and sizes thereof may be set as required. In this way, when the equipment fails and the travel of the movement assembly 9 exceeds its own maximum travel, the movement thereof is effectively prevented, and simultaneously the situation of injury to the personnel is avoided.
In a specific embodiment, the cross sections of the first plate 3, the second plate 8 and the third plate 10 may be polygonal or circular as required, and the cross section of the storage tank 1 may also be polygonal or circular, in this embodiment, the cross sections of the first plate 3, the second plate 8 and the third plate 10 are all quadrilateral, and the cross section of the storage tank 1 is circular, so that the processing is simple.
As an alternative embodiment, a plurality of through holes 31 for reducing weight are provided on the first plate 3, and the shape of the through holes 31 may be set to any shape as required on the premise of ensuring the strength of the first plate 3, and in this embodiment, the through holes are quadrangular, and corners are provided with rounded corners and with lightening holes, so as to reduce the influence of the first plate 3 on experimental results.
Specifically, the lower surface of the third plate 10 is provided with the lower foot assembly 11 or the brake caster, the lower foot assembly 11 comprises a screw, a nut and a lower foot, the lower foot assembly 11 is provided with the lower foot assembly 11 which is convenient for adjusting the levelness of the platform, the effect of supporting the whole platform is achieved, and the brake caster is arranged to save labor when the platform is moved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A dynamic simulation experiment platform for a liquid-filled storage tank is characterized by comprising:
the device comprises a first plate (3) for supporting the storage box (1), wherein a fixing device (2) for fixing the storage box (1) is arranged on the upper surface of the first plate (3);
the first end of the rigid rod is arranged on the lower surface of the first plate (3), the rigid rod comprises a first rigid rod (4), a second rigid rod (5), a third rigid rod (6) and a fourth rigid rod (7), single-axis force sensors (12) used for measuring respective axial force are arranged on the first rigid rod (4), the third rigid rod (6) and the fourth rigid rod (7), a three-axis force sensor (15) is arranged on the second rigid rod (5), the second rigid rod (5) is arranged at the centroid position of the first plate (3), the fourth rigid rod (7) comprises a vertical rod (71) and a horizontal rod (72), the vertical rod (71) and the horizontal rod (72) are connected through a spherical hinge at 90 degrees, and the single-axis force sensors (12) on the fourth rigid rod (7) are located on the horizontal rod (72);
the second end of each rigid rod is connected with a second plate (8), one end of each second plate (8) is provided with a connecting piece (14) for connecting with a vibration exciter, the first rigid rod (4) and the third rigid rod (6) are connected with the first plate (3) and the second plate (8) through spherical hinges, the second rigid rod (5) is connected with the first plate (3) and the second plate (8) through threaded rods, the horizontal rod (72) is connected with the first plate (3) through spherical hinges, and the vertical rod (71) is connected with the second plate (8) through threaded rods;
the plurality of moving assemblies (9) are arranged below the second plate (8) and can enable the second plate (8) to reciprocate along one end of the second plate (8) to the other end under the driving of the vibration exciter;
a third plate (10) arranged below each moving assembly (9) and used for supporting each moving assembly (9);
an acceleration sensor (13) arranged on the first plate (3) or the second plate (8) and used for measuring the acceleration of the platform during movement;
each single-axis force sensor (12), the three-axis force sensor (15) and the acceleration sensor (13) are in communication connection with a controller.
2. The dynamic simulation experiment platform for liquid-filled tanks according to claim 1, wherein the moving assembly (9) is a guide rail assembly, and comprises two supporting seats (91) arranged on the third plate (10), an optical axis (92) arranged between the two supporting seats (91), and a linear bearing (93) slidably engaged with the optical axis (92) and fixedly connected with the second plate (8).
3. The dynamic simulation experiment platform for the liquid-filled tank is characterized in that the fixing device (2) comprises a plurality of bending plates (21) with through holes, a plurality of slotted holes (22) which are arranged on the first plate (3) and penetrate through the first plate in the thickness direction, and bolt assemblies which penetrate through the through holes and the slotted holes (22) and fix the through holes and the slotted holes, wherein the bending plates (21) can move in the length direction of the slotted holes (22) and are locked at the positions, and each bending plate (21) forms a space structure for placing the tank (1).
4. The dynamic simulation experiment platform for liquid-filled tanks according to claim 1, wherein the horizontal connecting line of the first rigid rod (4), the second rigid rod (5) and the third rigid rod (6) is a right triangle, the second rigid rod (5) is located at the right angle of the right triangle and the centroid of the second plate (8), and the vertical rod (71) is located on the extension line of the right side.
5. The liquid-filled tank dynamics simulation experiment platform according to claim 1, wherein two of the motion assemblies (9) are symmetrically arranged below the second plate (8).
6. The liquid filled tank kinetic simulation test platform according to claim 1, wherein the centroid positions of the first plate (3), the second plate (8) and the third plate (10) are all arranged on the axis of the tank (1).
7. The dynamic simulation platform of liquid-filled storage tanks according to claim 2, wherein the third plate (10) is provided with a limit stop for preventing the linear bearing (93) from colliding with the support seat (91).
8. The liquid filled tank kinetic simulation experimental platform according to claim 1, characterized in that the cross-sections of the first plate (3), the second plate (8), the third plate (10) and the tank (1) are polygonal or circular.
9. The dynamic simulation experiment platform for liquid-filled tanks according to claim 1, wherein the first plate (3) is provided with a plurality of through holes (31) for weight reduction.
10. The dynamic simulation experiment platform for liquid-filled tanks according to claim 1, wherein the lower surface of the third plate (10) is provided with a foot assembly (11) or a brake caster for contacting with the ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910993207.6A CN110657942B (en) | 2019-10-18 | 2019-10-18 | Dynamic simulation experiment platform for liquid-filled storage tank |
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| CN201910993207.6A CN110657942B (en) | 2019-10-18 | 2019-10-18 | Dynamic simulation experiment platform for liquid-filled storage tank |
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| CN110657942A true CN110657942A (en) | 2020-01-07 |
| CN110657942B CN110657942B (en) | 2021-04-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608797A (en) * | 2022-03-08 | 2022-06-10 | 北京理工大学 | Multifunctional experiment platform and experiment method for liquid sloshing dynamic characteristic research |
| CN114778074A (en) * | 2022-05-11 | 2022-07-22 | 北京理工大学 | Experimental platform for rigid-liquid-flexible coupling dynamic characteristic research |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359557Y (en) * | 2009-02-27 | 2009-12-09 | 苏州长菱测试技术有限公司 | Horizontal vibrating test system applied to large test piece |
| CN104236836A (en) * | 2013-06-08 | 2014-12-24 | 北京强度环境研究所 | Pressure balancing system and method for rocket conveying pipeline system vibration test |
| CN105203341A (en) * | 2014-06-13 | 2015-12-30 | 北京强度环境研究所 | Large tank hanging static testing device |
| CN106596012A (en) * | 2016-11-25 | 2017-04-26 | 江西洪都航空工业集团有限责任公司 | Gun carrier combination vibration test fixture |
| CN107340097A (en) * | 2017-06-14 | 2017-11-10 | 贵州航天朝阳科技有限责任公司 | A kind of measuring system for spacecraft propellant tank |
| CN108519206A (en) * | 2018-03-28 | 2018-09-11 | 西安航天动力研究所 | A kind of turbopump-fed liquid rocket engine structure composite vibration component pilot system |
-
2019
- 2019-10-18 CN CN201910993207.6A patent/CN110657942B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359557Y (en) * | 2009-02-27 | 2009-12-09 | 苏州长菱测试技术有限公司 | Horizontal vibrating test system applied to large test piece |
| CN104236836A (en) * | 2013-06-08 | 2014-12-24 | 北京强度环境研究所 | Pressure balancing system and method for rocket conveying pipeline system vibration test |
| CN105203341A (en) * | 2014-06-13 | 2015-12-30 | 北京强度环境研究所 | Large tank hanging static testing device |
| CN106596012A (en) * | 2016-11-25 | 2017-04-26 | 江西洪都航空工业集团有限责任公司 | Gun carrier combination vibration test fixture |
| CN107340097A (en) * | 2017-06-14 | 2017-11-10 | 贵州航天朝阳科技有限责任公司 | A kind of measuring system for spacecraft propellant tank |
| CN108519206A (en) * | 2018-03-28 | 2018-09-11 | 西安航天动力研究所 | A kind of turbopump-fed liquid rocket engine structure composite vibration component pilot system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608797A (en) * | 2022-03-08 | 2022-06-10 | 北京理工大学 | Multifunctional experiment platform and experiment method for liquid sloshing dynamic characteristic research |
| CN114608797B (en) * | 2022-03-08 | 2022-11-22 | 北京理工大学 | Multifunctional experiment platform and experiment method for liquid sloshing dynamic characteristic research |
| CN114778074A (en) * | 2022-05-11 | 2022-07-22 | 北京理工大学 | Experimental platform for rigid-liquid-flexible coupling dynamic characteristic research |
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