CN107702987B - Cementing reliability experiment device for simulating transverse vibration working condition and control method - Google Patents

Cementing reliability experiment device for simulating transverse vibration working condition and control method Download PDF

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CN107702987B
CN107702987B CN201710786663.4A CN201710786663A CN107702987B CN 107702987 B CN107702987 B CN 107702987B CN 201710786663 A CN201710786663 A CN 201710786663A CN 107702987 B CN107702987 B CN 107702987B
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vibration
loading platform
vibration generator
loading
chuck
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CN107702987A (en
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金隼
张雪萍
刘顺
陈坤
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Shanghai Jiao Tong University
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Shanghai Jiao Tong University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/022Vibration control arrangements, e.g. for generating random vibrations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces

Abstract

The invention discloses a bonding reliability experimental device, particularly relates to a bonding reliability experimental device for simulating a transverse vibration working condition, and provides a control method according to an actual condition. The experimental device comprises a frame body, a main loading platform, a glue joint test sample piece, a left/right vibration loading platform and a central controller, wherein vibration simulation generated by the left and right vibration loading platforms positioned inside the frame body is used for acting on the glue joint test sample piece, and the vibration loading platform is driven by a motor and follows the Z-direction loading of the main loading platform. The control method of the experimental device comprises the steps of receiving instructions and feedback information, coordinately controlling all parts of the experimental device and the like, and by tracking the Z direction of the main loading shaft and loading the transverse vibration of a test piece, the tensile characteristic test under the transverse vibration working condition is realized, the performance test under the actual service environment is better met, and the method can be widely applied to the tensile test and the fatigue test of the bonding reliability test under the transverse vibration working condition.

Description

Cementing reliability experiment device for simulating transverse vibration working condition and control method
Technical Field
The invention relates to the field of adhesion reliability experiments, in particular to an adhesion reliability experiment device and an experiment method for simulating a transverse vibration working condition.
Background
The adhesive bonding technology is widely applied to connection and sealing of various contact surfaces, has the characteristics of reliable connection and good sealing performance, and has very wide application in the actual production of airplanes, automobiles and the like. In particular, during the assembly of the engine, the gluing is used for a large number of seals for the two machined surfaces, affecting the tightness and safety of the engine. The cementing reliability is a key index for measuring the cementing and sealing performance of the engine, the cementing and sealing failure can cause leakage, and the improvement of the cementing and sealing performance of the processed surface has very important significance for ensuring the service performance of the engine.
The traditional adhesive joint sealing performance mainly depends on a unidirectional tensile test to obtain the breaking strength of adhesive joint breaking failure, and the sealing performance can be measured only by the characteristic of the adhesive joint breaking failure. In actual working conditions, inevitable vibration exists in the service process of the engine, so that the gluing sealing characteristic is changed, and the sealing characteristic is affected, so that the gluing sealing characteristic cannot be accurately evaluated only by a traditional single tensile strength test or a fatigue test, and the gluing reliability under the actual vibration working conditions needs to be measured.
Current tensile testing machine and fatigue test machine can only realize the simple loading of single direction or a plurality of directions, can't realize the test loading requirement under the complicated vibration operating mode, can't realize the glueing reliability experiment of simulation lateral vibration operating mode. Therefore, the bonding reliability testing device and method capable of simulating the actual vibration working condition have wide application prospects.
Chinese patent No. CN 102252909B entitled "tensile test device" discloses a tensile test device, which is characterized in that a four-axis horizontal tensile test machine using an oil cylinder, a clamping and supporting component and a linear guide rail can complete a biaxial tensile test, and has the disadvantages that a hydraulic oil cylinder with a large thrust cannot realize motion loading of hundreds to thousands of kilohertz, and cannot realize fatigue loading. Chinese patent publication No. CN 104568591 a, entitled "a biaxial tensile testing apparatus", discloses a biaxial tensile testing apparatus, which is characterized in that servo oil cylinders are mounted at the end portions of four arms of a horizontal positive cross loading slide rail, and can be applied to a uniaxial tensile testing machine and a biaxial tensile testing machine to realize various testing functions, but cannot realize loading simulation of high-frequency vibration, and only can realize a low-cycle reciprocating tensile test. Chinese patent publication No. CN 106053272 a, entitled "a wideband fatigue testing machine", discloses a wideband fatigue testing machine, which is characterized in that a underneath type alternating motion driving source is used as a loading device of the fatigue testing machine, so as to realize a large driving force, large displacement, and wideband fatigue test. Chinese patent publication No. CN 106813981 a, entitled "a tensile fatigue testing machine", discloses a tensile fatigue testing machine, which is characterized in that it adopts a underneath type electric vibration exciter to drive, so as to realize the fatigue test of a micro test piece, and it is not only suitable for single loading test of a micro test piece, but also unable to realize the tensile test of large displacement.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is
The invention provides a bonding reliability experimental device under a simulated vibration working condition aiming at tensile and fatigue test requirements of bonding reliability under the condition of transverse vibration interference in the practical working condition, provides a control method of the bonding reliability experimental device according to the simulation of the practical working condition, and can be widely applied to tensile tests and fatigue tests of bonding reliability tests under the transverse vibration working condition.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a simulation lateral vibration operating mode's gluey reliability experiment device, includes frame fuselage (1), main loading platform (2), splices test sample spare (3), the vibration generating device, central controller (6) of simulation lateral vibration operating mode, wherein, main loading platform (2) include main loading platform upper portion and main loading platform lower part, arrange respectively in the upper portion and the bottom of frame fuselage (1), splice test sample spare (3) quilt main loading platform (2) perpendicular centre gripping, the vibration generating device of simulation lateral vibration operating mode includes left vibration loading platform (4) and right vibration loading platform (5), left vibration loading platform (4), right vibration loading platform (5) consolidate respectively in frame fuselage (1) inside left and right both sides, and respectively with splice test sample spare (3) and transversely contact.
Further, the upper part of the main loading platform comprises a main loading platform base (201), a main loading driving motor (202), a main loading cantilever (203), a displacement sensor (206), an upper chuck (204) and an upper chuck horizontal adjusting block (205), the lower part of the main loading platform comprises a lower chuck base (209), a lower chuck (207) and a lower chuck horizontal adjusting block (208), wherein the main loading platform base (201) is arranged at the upper part of the frame body (1), the main loading driving motor (202) is positioned on the main loading platform base (201), an output shaft of the main loading driving motor is connected with the main loading cantilever (203), the upper chuck (204) is connected with the tail end of the main loading cantilever (203), the upper chuck horizontal adjusting block (205) is arranged in the main loading platform base, and the displacement sensor (206) is arranged on the main loading cantilever (203), used for measuring and outputting displacement information; the lower chuck (207) is fixedly connected on the lower chuck base (209), and the lower chuck horizontal adjusting block (208) is arranged in the lower chuck base.
Furthermore, the left vibration loading platform (4) and the right vibration loading platform (5) are respectively positioned at the left side and the right side of the adhesive joint test sample piece (3), and vibration simulation of the left vibration loading platform (4) and the right vibration loading platform (5) is commonly applied to the adhesive joint test sample piece (3) to realize simulation loading of a transverse vibration working condition borne by a workpiece; left side vibration loading platform (4) with right side vibration loading platform (5) adopt motor drive for realize main loading platform (2) in the loaded following of Z, guarantee that transverse vibration signal's point of applying is located all the time the center of splicing test sample spare (3).
Further, the left vibration loading platform (4) comprises a left vibration loading platform base (401), a left vibration loading driving unit and a left vibration generator.
The left vibration loading platform base (401) is arranged on a left base inside the frame body (1).
The left vibration loading driving unit is used for adjusting and controlling the left vibration generator to move along the Z axis and comprises a left vibration loading platform driving motor (402) and a left vibration loading platform driving shaft (403), one end of the left vibration loading platform driving shaft (403) is connected with the output end of the left vibration loading platform driving motor (402), and the other end of the left vibration loading platform driving shaft is connected with the left vibration generator.
The left vibration generator is used for generating and applying a simulated transverse vibration signal to the glued joint test sample piece (3) from the left side, and comprises: the vibration generator comprises a left vibration generator chuck (404), a left vibration generator horizontal regulator (405), a control left vibration generator shell (406), a left vibration generator electromagnetic coil (407), a left vibration generator electromagnetic driving head (408), a left vibration generator driving head guide device (409), a left vibration generator driving head movable pulley (410), a left vibration generator guide rod (411) and a left vibration generator guide rod movable pulley (412).
The left vibration generator chuck (404) is connected with the left vibration loading platform driving shaft (403) and serves as a protective outer cover of the left vibration generator; the control left vibration generator housing (406) is located inside the left vibration generator cartridge (404) and is connected with the left vibration generator level adjuster (405), and the left vibration generator level adjuster (405) is used for controlling the left vibration generator housing (406) to move horizontally in the left vibration generator cartridge (404); the left vibration generator electromagnetic coil (407) is positioned inside the left vibration generator shell (406), and drives the left vibration generator electromagnetic driving head (408) to vibrate slightly along the X-axis direction through current control; the left vibration generator driving head guide device (409) is arranged around the left vibration generator electromagnetic driving head (408) and used for ensuring the traveling direction of the left vibration generator electromagnetic driving head (408) and preventing deviation; the left vibration generator guide rod (411) is connected with the left vibration generator guide rod movable pulley (412) and is arranged at the upper end and the lower end of the left vibration generator shell (406); left side vibration generator driving head movable pulley (410) concreties and is in left side vibration generator electromagnetic drive head (408) tip can be along with left side vibration generator electromagnetic drive head (408) lateral motion, and can reduce right the atress of gluing test sample spare (3) in the Z direction is disturbed, and the realization is right the lateral vibration simulation of gluing test sample spare (3).
Further, the right vibration loading platform (5) comprises a right vibration loading platform base (501), a right vibration loading driving unit and a right vibration generator.
The right vibration loading platform base (501) is arranged on a right base inside the frame body (1).
The right vibration loading driving unit is used for adjusting and controlling the right vibration generator to move along the Z axis and comprises a right vibration loading platform driving motor (502) and a right vibration loading platform driving shaft (503), one end of the right vibration loading platform driving shaft (503) is connected with the output end of the right vibration loading platform driving motor (502), and the other end of the right vibration loading platform driving shaft is connected with the right vibration generator.
The right vibration generator is used for generating and applying a simulated transverse vibration signal from the right side to the glued joint test sample piece (3), and comprises: the vibration generator comprises a right vibration generator chuck (504), a right vibration generator horizontal regulator (505), a control right vibration generator shell (506), a right vibration generator electromagnetic coil (507), a right vibration generator electromagnetic driving head (508), a right vibration generator driving head guide device (509), a right vibration generator driving head movable pulley (510), a right vibration generator guide rod (511) and a right vibration generator guide rod movable pulley (512).
The right vibration generator clamping head (504) is connected with the right vibration loading platform driving shaft (503) and is used as a protective outer cover of the right vibration generator; the control right vibration generator housing (506) is located inside the right vibration generator cartridge (504) and is connected with the right vibration generator horizontal adjuster (505), and the right vibration generator horizontal adjuster (505) is used for controlling the right vibration generator housing (506) to move horizontally in the right vibration generator cartridge (504); the right vibration generator electromagnetic coil (507) is positioned inside the right vibration generator shell (506) and drives the right vibration generator electromagnetic driving head (508) to vibrate slightly along the X-axis direction through current control; the right vibration generator driving head guiding device (509) is arranged around the right vibration generator electromagnetic driving head (508) and used for ensuring the traveling direction of the right vibration generator electromagnetic driving head (508) and preventing deviation; the right vibration generator guide rod (511) is connected with the right vibration generator guide rod movable pulley (512) and is arranged at the upper end and the lower end of the right vibration generator shell (506); right side vibration generator driving head movable pulley (510) concreties right side vibration generator electromagnetic drive head (508) tip can be along with right side vibration generator electromagnetic drive head (508) lateral motion, and can reduce right the atress of cementing test sample spare (3) in the Z direction is disturbed, and the realization is right the lateral vibration simulation of cementing test sample spare (3).
Furthermore, the central controller (6) comprises a communication unit, a storage unit, an arithmetic unit and an input/output unit, and has the functions of receiving instruction signals, collecting feedback information, executing data arithmetic, sending execution instructions to related components, tracking and adjusting working condition parameters in real time and the like.
The communication unit is in two-way communication with the main loading driving motor (202), the left vibration loading platform driving motor (402), the right vibration loading platform driving motor (502), the left vibration generator electromagnetic coil (407), the right vibration generator electromagnetic coil 507 and the displacement sensor (206), receives feedback information in real time and sends an instruction signal; the arithmetic unit has an analysis arithmetic function, and is used for analyzing and processing data information and making a loading control strategy; the storage unit is used for storing data information such as filing state information, instruction information, control strategies and the like; the input and output unit is used as an interactive interface and is used for receiving instructions and outputting state information.
Further, in the gluing reliability experiment for simulating the transverse vibration working condition, the central processing unit (6) is set to perform the following steps:
step 1, receiving a loading instruction and the feedback signal;
step 2, according to the instruction and the feedback, a loading control strategy is formulated;
step 3, sending an instruction and realizing Z-direction loading;
step 4, carrying out Z-direction synchronous tracking on the transverse vibration generator;
step 5, sending an instruction and realizing the loading of the X-direction simulated transverse vibration;
and 6, monitoring the experimental process, and feeding back and coordinating in real time.
The invention also provides a control method of the cementing reliability experimental device for simulating the transverse vibration working condition,
the method comprises the following main steps:
step 1, a central processing unit (6) receives a loading instruction and a feedback signal;
step 2, according to the instruction and the feedback, a loading control strategy is formulated;
step 3, sending an instruction and realizing Z-direction loading;
step 4, synchronous tracking of the transverse vibration generator;
step 5, sending an instruction and realizing the loading of the simulated transverse vibration;
and 6, monitoring the experimental process, and feeding back and coordinating in real time.
Further, in step 1, the central processing unit (6) receives the load instruction and the feedback signal. The method comprises the steps that a central controller (6) receives a loading instruction and a feedback signal, wherein the loading instruction comprises a preset Z-direction main loading mode signal (601) and a preset X-direction vibration loading mode signal (602), and the feedback signal comprises a main loading driving motor feedback signal (604) of a main loading driving motor (202), a displacement feedback signal (605) of a displacement sensor (206), a left vibration loading platform driving motor feedback signal (607) of a left vibration loading platform driving motor (402) and a right vibration loading platform driving motor feedback signal (609) of a right vibration loading platform driving motor (502).
Further, in the step 2, a loading control strategy is formulated according to the instruction and the feedback. The loading control strategy comprises a main loading driving motor control strategy, a left vibration loading platform control strategy, a right loading platform control strategy, a left vibration generator control strategy and a right vibration generator control strategy.
Further, in the step 3, an instruction is sent and Z-direction loading is realized, the central controller (6) sends a main loading driving motor driving signal (603) to the main loading driving motor (202), and the main loading driving motor (202) is controlled to drive the main loading cantilever (203) to move along the Z direction, so that the upper chuck (204) is driven to move along the Z axis, and the Z-direction loading of the adhesive test sample piece (3) is realized.
Further, in step 4, the synchronous tracking of the lateral vibration generator. And (3) adjusting and loading the left and right transverse vibration by the central controller (6) according to the control strategies of the left and right vibration loading platforms and the left and right vibration generators formulated in the step (2).
The central controller (6) sends a left vibration loading platform driving motor driving signal (606) to the left vibration loading platform driving motor (402), controls the left vibration loading platform driving motor (402) to drive the left vibration loading platform driving shaft (403) to move along the Z direction, thereby driving the left vibration generator positioned in the left vibration generator chuck (404) to move along the Z axis, realizing that the left vibration generator moves along the Z axis and the glue joint test sample piece (3) synchronously tracks along the Z direction displacement, thereby ensuring that the vibration is always applied along the center of the glue joint.
Central controller (6) to right vibration loading platform driving motor (502) send right vibration loading platform driving motor drive signal (608), control right vibration loading platform driving motor (502) drive right vibration loading platform drive shaft (503) are along Z to the motion to the drive is located right vibration generator chuck (504) in right vibration generator along Z axle motion, realize right vibration generator along Z axle displacement with the gluey test sample piece (3) is at the synchronous tracking of displacement of Z to, thereby guarantee the application of vibration always along the center of gluing the joint.
Further, in step 5, X-axis lateral vibration is applied. Controlling a left vibration generator electromagnetic coil (407) to drive the left vibration generator electromagnetic driving head (408) to vibrate slightly along the X-axis direction through a left vibration generator electromagnetic coil driving signal (610), so as to realize the left-side loading of the transverse vibration of the gluing test sample piece (3); the right vibration generator electromagnetic coil (507) is driven by a right vibration generator electromagnetic coil driving signal (611), and the right vibration generator electromagnetic driving head (508) vibrates slightly along the X-axis direction to realize right-side loading of transverse vibration of the cementing test sample piece (3).
Further, in step 6, the experimental process is monitored, real-time feedback and coordination are carried out, the working condition parameters of the whole experimental device are tracked and monitored in real time, real-time feedback and adjustment are carried out, the application of the adhesive joint test sample piece (3) in the whole transverse direction is realized through the synergistic effect of the left vibration generator and the right vibration generator, and the stability of transverse vibration application is ensured.
Further, step 3, step 4 and step 5 are performed synchronously.
The invention has the following beneficial effects:
1. according to the invention, through the coordination control of the axial tension loading motor and the transverse vibration simulation device, the tension characteristic test under the transverse vibration interference working condition can be realized by coupling the transverse vibration signal on the basis of the axial tension loading, and the influence of the transverse vibration characteristic on the tension test piece is verified.
2. By tracking the Z direction of the main loading shaft and loading the transverse vibration of the test piece, the tensile characteristic test under the transverse vibration working condition can be realized, and the performance test under the actual service environment is better met. The vibration generating device with the double structure can always apply micro-amplitude vibration to the center of the test piece, and extra torque cannot be increased, so that the stability of the whole test piece in the tension and compression test process is ensured.
3. The testing machine has higher openness, and can realize different forms of tension and compression tests, and the motion following and transverse vibration application of the vibration platform to the main loading platform by controlling the main loading platform and controlling the left and right vibration loading platforms and the left and right vibration generators.
4. Through the feedback signals of the arranged displacement sensors and the loading motors, the real-time detection and feedback control of the test process can be realized, and the Z-direction dynamic tracking performance and the transverse vibration loading stability of the vibration generating unit are ensured, so that the requirement of the adhesion reliability test under the vibration working condition is met.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a structural diagram of a bonding reliability testing apparatus for simulating lateral vibration conditions according to a preferred embodiment of the present invention;
FIG. 2 is a structural diagram of a vibration generating device for simulating lateral vibration conditions according to a preferred embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for controlling an experimental apparatus for bonding reliability that simulates lateral vibration according to a preferred embodiment of the present invention.
In the figure: 1 is a frame body, 2 is a main loading platform, 3 is a cementing test sample piece, 4 is a left vibration loading platform, 5 is a right vibration loading platform, 6 is a central controller, 201 is a main loading platform base, 202 is a main loading driving motor, 203 is a main loading cantilever, 204 is an upper chuck, 205 is an upper chuck horizontal adjusting block, 206 is a displacement sensor, 207 is a lower chuck, 208 is a lower chuck horizontal adjusting block, 209 is a lower chuck base, 401 is a left vibration loading platform base, 402 is a left vibration loading platform driving motor, 403 is a left vibration loading platform driving shaft, 404 is a left vibration generator chuck, 405 is a left vibration generator horizontal adjuster, 406 is a left vibration generator shell, 407 is a left vibration generator electromagnetic coil, 408 is a left vibration generator electromagnetic driving head, 409 is a left vibration generator driving head guiding device, 410 is a left vibration generator driving head movable pulley, 411 is a left vibration generator guide bar, 412 is a left vibration generator guide bar movable pulley, 501 is a right vibration loading platform base, 502 is a right vibration loading platform drive motor, 503 is a right vibration loading platform drive shaft, 504 is a right vibration generator clamp, 505 is a right vibration generator horizontal adjuster, 506 is a right vibration generator housing, 507 is a right vibration generator solenoid coil, 508 is a right vibration generator solenoid drive head, 509 is a right vibration generator drive head guide, 510 is a right vibration generator drive head movable pulley, 511 is a right vibration generator guide bar, 512 is a right vibration generator guide bar movable pulley, 601 is a main loading mode signal, 602 is a vibration loading mode signal, 603 is a main loading drive motor drive signal, 604 is a main loading drive motor feedback signal, 605 is a displacement signal, 606 is a left vibration loading platform drive motor drive signal, reference numeral 607 denotes a left vibration loading platform drive motor feedback signal, 608 denotes a right vibration loading platform drive motor drive signal, 609 denotes a right vibration loading platform drive motor feedback signal, 610 denotes a left vibration generator solenoid drive signal, and 611 denotes a right vibration generator solenoid drive signal.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example 1
As shown in figure 1, the cementing reliability experiment device for simulating the transverse vibration working condition comprises a frame body 1, a main loading platform 2, a cementing test sample piece 3, a left vibration loading platform 4, a right vibration loading platform 5 and a central controller 6. The method is characterized in that: the frame fuselage 1 mainly serves as a stabilizing and structural support, and it encloses the other components of the test machine inside, and should be fixed to the bottom surface during use due to the forces and vibrations. A main loading platform 2 is arranged on the upper part of the frame body 1, wherein the main loading platform 2 comprises a main loading platform base 201 arranged on the upper part of the frame body 1, a main loading driving motor 202 positioned on the main loading platform base 201, a main loading cantilever 203 connected with the main loading driving motor 202, an upper chuck 204 connected with the tail end of the main loading cantilever 203, an upper chuck horizontal adjusting block 205 in the upper chuck 204, a lower chuck base 209 fixedly connected on the lower part of the frame body 1, a lower chuck 207 fixedly connected on the lower chuck base 209, a lower chuck horizontal adjusting block 208 in the lower chuck 207, a displacement sensor 206 arranged on the main loading cantilever 203, and the upper chuck 204 and the lower chuck 207 vertically clamp the bonding test sample 3; the left vibration loading platform 4 and the right vibration loading platform 5 which are positioned in the frame body 1 are respectively positioned at the left side and the right side of the glue joint test sample piece 3, and the vibration simulation of the left vibration loading platform 4 and the right vibration loading platform 5 is commonly acted on the glue joint test sample piece 3 to realize the simulation loading of the transverse vibration working condition of the workpiece; meanwhile, the left vibration loading platform 4 and the right vibration loading platform 5 are driven by motors, so that the main loading platform 2 can be followed in the Z direction, and the application point of the transverse vibration signal is always located at the center of the adhesive test sample piece 3.
As shown in figures 1 and 2, the vibration generating device for simulating the transverse vibration working condition of the cementing reliability experiment device for simulating the transverse vibration working condition comprises a left vibration loading platform 4 and a right vibration loading platform 5 which are fixedly connected to the lower part of a frame body 1. The left vibration loading platform 4 comprises a left vibration loading platform base 401, a left vibration loading platform driving motor 402 fixedly connected with the left vibration loading platform base 401, a left vibration loading platform driving shaft 403 connected with the left vibration loading platform driving motor 402, a left vibration generator chuck 404 fixedly connected with the left vibration loading platform driving shaft 403, a left vibration generator housing 406 positioned in the left vibration generator chuck 404, a right vibration generator horizontal adjuster 405 for controlling the left vibration generator housing 406 to horizontally move in the left vibration generator chuck 404, a left vibration generator electromagnetic coil 407, a left vibration generator electromagnetic driving head 408, a left vibration generator driving head guiding device 409, a left vibration generator driving head movable pulley 410, a left vibration generator guiding rod 411 positioned at the upper end and the lower end of the left vibration generator housing 406 and a left vibration generator guiding rod movable pulley 412, the left vibration loading platform driving shaft 403 is connected with the left vibration loading platform driving motor 402, the left vibration generator is controlled to move along the Z axis by the up-and-down movement of the left vibration loading platform driving shaft 403, the left vibration generator electromagnetic coil 407 drives the left vibration generator electromagnetic driving head 408 to vibrate slightly along the X axis direction by current control, the left vibration generator driving head movable pulley 410 is fixedly connected to the end part of the left vibration generator electromagnetic driving head 408 and can move transversely along with the left vibration generator electromagnetic driving head 408, the stress interference of the gluing test sample piece 3 in the Z direction can be reduced, and the transverse vibration simulation of the gluing test sample piece 3 is realized; the right vibration loading platform 5 comprises a right vibration loading platform base 501, a right vibration loading platform driving motor 502 fixedly connected to the right vibration loading platform base 501, a right vibration loading platform driving shaft 503 connected with the right vibration loading platform driving motor 502, a right vibration generator chuck 504 fixedly connected to the right vibration loading platform driving shaft 503, a right vibration generator housing 506 positioned in the right vibration generator chuck 504, a right vibration generator horizontal adjuster 505 for controlling the right vibration generator housing 506 to horizontally move in the right vibration generator chuck 504, a right vibration generator electromagnetic coil 507, a right vibration generator electromagnetic driving head 508, a right vibration generator driving head guiding device 509, a right vibration generator driving head movable pulley 510, a right vibration generator guiding rod 511 and a right vibration generator guiding rod movable pulley 512 positioned at the upper end and the lower end of the right vibration generator housing 506, wherein, right vibration loading platform drive shaft 503 links to each other with right vibration loading platform driving motor 502, move along the Z axle motion through the up-and-down control right vibration generator of right vibration loading platform drive shaft 503, right vibration generator solenoid 507 is through the current control drive right vibration generator electromagnetic drive head 508 and do the slight vibration along the X axle direction, right vibration generator drive head movable pulley 510 consolidates at right vibration generator electromagnetic drive head 508 tip, can be along with right vibration generator electromagnetic drive head 508 lateral motion, and can reduce the atress interference of gluing test sample 3 in the Z direction, realize the lateral vibration simulation to gluing test sample 3. The simulation of the transverse vibration of the adhesive test sample piece 3 is realized under the combined action of the left vibration loading platform 4 and the right vibration loading platform 5, and the external force interference in the Z direction is reduced.
Example 2
As shown in fig. 3, a control method of a cementing reliability experimental device for simulating a transverse vibration working condition comprises the following steps:
when the testing machine works, the central controller 6 receives a preset Z-direction main loading mode signal 601 and an X-direction vibration loading mode signal 602, as well as a main loading driving motor feedback signal 604 of the main loading driving motor 202, a displacement feedback signal 605 of the displacement sensor 206, a left vibration loading platform driving motor feedback signal 607 of the left vibration loading platform driving motor 402, and a right vibration loading platform driving motor feedback signal 609 of the right vibration loading platform driving motor 502.
The central controller 6 works out a main loading driving motor control strategy and control strategies of the left and right vibration loading platforms and the left and right vibration generators according to the real-time feedback of the signals.
Then, the central controller 6 sends a main loading driving motor driving signal 603 to the main loading driving motor 202, and controls the main loading driving motor 202 to drive the main loading cantilever 203 to move along the Z direction, so as to drive the upper chuck 204 to move along the Z axis, thereby realizing the Z-direction loading of the adhesive bonding test sample 3.
Meanwhile, according to the formulated control strategies of the left and right vibration loading platforms, the central controller 6 sends a left vibration loading platform driving motor driving signal 606 to the left vibration loading platform driving motor 402 on one hand, and controls the left vibration loading platform driving motor 402 to drive the left vibration loading platform driving shaft 403 to move along the Z direction, so that the left vibration generator positioned in the left vibration generator chuck 404 is driven to move along the Z axis, the synchronous tracking of the displacement of the left vibration generator along the Z axis and the displacement of the glue joint test sample 3 in the Z direction is realized, and the vibration is always applied along the center of the glue joint; on the other hand, the left vibration generator electromagnetic coil 407 is controlled by the left vibration generator electromagnetic coil driving signal 610 to drive the left vibration generator electromagnetic driving head 408 to vibrate slightly along the X-axis direction, so that the left-side loading of the transverse vibration of the gluing test sample 3 is realized.
Similarly, the central controller 6 sends a right vibration loading platform driving motor driving signal 608 to the right vibration loading platform driving motor 502, and controls the right vibration loading platform driving motor 502 to drive the right vibration loading platform driving shaft 503 to move along the Z direction, so as to drive the right vibration generator located in the right vibration generator chuck 504 to move along the Z axis, so that the displacement of the right vibration generator along the Z axis and the displacement of the adhesive bonding test sample piece 3 in the Z direction are synchronously tracked, and the vibration is always applied along the center of the adhesive bonding head; on the other hand, the right vibration generator electromagnetic coil 507 is controlled by the right vibration generator electromagnetic coil driving signal 611 to drive the right vibration generator electromagnetic driving head 508 to vibrate slightly along the X-axis direction, so that the right side loading of the transverse vibration of the gluing test sample piece 3 is realized.
The whole transverse direction of the cementing test sample piece 3 is exerted by the synergistic action of the left vibration generator and the right vibration generator, and the transverse vibration application stability is ensured.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (11)

1. A glue joint reliability experimental device for simulating transverse vibration working conditions comprises a frame body (1), a main loading platform (2), a glue joint test sample piece (3), a vibration generating device for simulating the transverse vibration working conditions and a central controller (6), it is characterized in that the main loading platform (2) comprises a main loading platform upper part and a main loading platform lower part which are respectively arranged at the upper part and the bottom of the frame body (1), the adhesive bonding test sample piece (3) is vertically clamped by the main loading platform (2), the vibration generating device for simulating the transverse vibration working condition comprises a left vibration loading platform (4) and a right vibration loading platform (5), the left vibration loading platform (4) and the right vibration loading platform (5) are respectively arranged on the left side and the right side in the frame body (1) and are respectively in transverse contact with the glue joint test sample piece (3);
the left vibration loading platform (4) comprises a left vibration loading platform base (401), a left vibration loading driving unit and a left vibration generator; the right vibration loading platform (5) comprises a right vibration loading platform base (501), a right vibration loading driving unit and a right vibration generator;
the left vibration loading platform base (401) is arranged on a left base inside the frame body (1); the left vibration loading driving unit is used for adjusting and controlling the left vibration generator to move along the Z axis and comprises a left vibration loading platform driving motor (402) and a left vibration loading platform driving shaft (403), the left vibration loading platform driving motor (402) is installed on the left vibration loading platform base (401), the output end of the left vibration loading platform driving motor is connected with the left vibration loading platform driving shaft (403), and the other end of the left vibration loading platform driving shaft (403) is connected with the left vibration generator;
the right vibration loading platform base (501) is arranged on a right base inside the frame body (1); the right vibration loading driving unit is used for adjusting and controlling the right vibration generator to move along the Z axis and comprises a right vibration loading platform driving motor (502) and a right vibration loading platform driving shaft (503), the right vibration loading platform driving motor (502) is installed on the right vibration loading platform base (501), the output end of the right vibration loading platform driving shaft is connected with the right vibration loading platform driving shaft (503), and the other end of the right vibration loading platform driving shaft (503) is connected with the right vibration generator.
2. The cementing reliability experiment device for simulating the transverse vibration working condition according to claim 1, wherein the upper part of the main loading platform comprises a main loading platform base (201), a main loading driving motor (202), a main loading cantilever (203), a displacement sensor (206), an upper chuck (204) and an upper chuck horizontal adjusting block (205), the lower part of the main loading platform comprises a lower chuck base (209), a lower chuck (207) and a lower chuck horizontal adjusting block (208), wherein the main loading platform base (201) is arranged on the upper part of the frame body (1), the main loading driving motor (202) is positioned above the main loading platform base (201), an output shaft of the main loading platform base is connected with the main loading cantilever (203), the upper chuck (204) is connected with the tail end of the main loading cantilever (203), and the upper chuck horizontal adjusting block (205) is arranged in the upper loading platform base, the displacement sensor (206) is arranged on the main loading cantilever (203) and is used for measuring and outputting displacement information; the lower chuck (207) is fixedly connected on the lower chuck base (209), and the lower chuck horizontal adjusting block (208) is arranged in the lower chuck base.
3. The bonding reliability experiment device for simulating the transverse vibration working condition according to claim 1, wherein the left vibration loading platform (4) and the right vibration loading platform (5) are respectively positioned at the left side and the right side of the bonding test sample piece (3), and vibration simulation generated by the left vibration loading platform (4) and the right vibration loading platform (5) is commonly applied to the bonding test sample piece (3) and used for realizing the simulation loading of the transverse vibration working condition borne by a workpiece; left side vibration loading platform (4) with right side vibration loading platform (5) adopt motor drive for realize main loading platform (2) in the loaded following of Z, guarantee that transverse vibration signal's point of applying is located all the time the center of splicing test sample spare (3).
4. The bonding reliability experimental device for simulating the transverse vibration working condition according to claim 1,
the left vibration generator is used for generating and applying a simulated transverse vibration signal to the glued joint test sample piece (3) from the left side, and comprises: a left vibration generator chuck (404), a left vibration generator horizontal adjuster (405), a control left vibration generator shell (406), a left vibration generator electromagnetic coil (407), a left vibration generator electromagnetic driving head (408), a left vibration generator driving head guide device (409), a left vibration generator driving head movable pulley (410), a left vibration generator guide rod (411) and a left vibration generator guide rod movable pulley (412);
the left vibration generator chuck (404) is connected with the left vibration loading platform driving shaft (403) and serves as a protective outer cover of the left vibration generator; the control left vibration generator housing (406) is located inside the left vibration generator cartridge (404) and is connected with the left vibration generator level adjuster (405), and the left vibration generator level adjuster (405) is used for controlling the left vibration generator housing (406) to move horizontally in the left vibration generator cartridge (404); the left vibration generator electromagnetic coil (407) is positioned inside the left vibration generator shell (406), and drives the left vibration generator electromagnetic driving head (408) to vibrate slightly along the X-axis direction through current control; the left vibration generator driving head guide device (409) is arranged around the left vibration generator electromagnetic driving head (408) and used for ensuring the traveling direction of the left vibration generator electromagnetic driving head (408) and preventing deviation; the left vibration generator guide rod (411) is connected with the left vibration generator guide rod movable pulley (412) and is arranged at the upper end and the lower end of the left vibration generator shell (406); the movable pulley (410) of the driving head of the left vibration generator is fixedly connected to the end part of the electromagnetic driving head (408) of the left vibration generator, is used for moving transversely along with the electromagnetic driving head (408) of the left vibration generator, is used for reducing stress interference of the adhesive bonding test sample piece (3) in the Z direction, and realizes transverse vibration simulation of the adhesive bonding test sample piece (3);
the right vibration generator is used for generating and applying a simulated transverse vibration signal from the right side to the glued joint test sample piece (3), and comprises: a right vibration generator chuck (504), a right vibration generator horizontal regulator (505), a control right vibration generator housing (506), a right vibration generator electromagnetic coil (507), a right vibration generator electromagnetic driving head (508), a right vibration generator driving head guide device (509), a right vibration generator driving head movable pulley (510), a right vibration generator guide rod (511) and a right vibration generator guide rod movable pulley (512);
the right vibration generator clamping head (504) is connected with the right vibration loading platform driving shaft (503) and is used as a protective outer cover of the right vibration generator; the control right vibration generator housing (506) is located inside the right vibration generator cartridge (504) and is connected with the right vibration generator horizontal adjuster (505), and the right vibration generator horizontal adjuster (505) is used for controlling the right vibration generator housing (506) to move horizontally in the right vibration generator cartridge (504); the right vibration generator electromagnetic coil (507) is positioned inside the right vibration generator shell (506) and drives the right vibration generator electromagnetic driving head (508) to vibrate slightly along the X-axis direction through current control; the right vibration generator driving head guiding device (509) is arranged around the right vibration generator electromagnetic driving head (508) and used for ensuring the traveling direction of the right vibration generator electromagnetic driving head (508) and preventing deviation; the right vibration generator guide rod (511) is connected with the right vibration generator guide rod movable pulley (512) and is arranged at the upper end and the lower end of the right vibration generator shell (506); right side vibration generator drive head movable pulley (510) concreties right side vibration generator electromagnetic drive head (508) tip for along with right side vibration generator electromagnetic drive head (508) lateral motion, and be used for reducing right the atress of bonding test sample (3) in the Z direction is disturbed, and the realization is right the lateral vibration simulation of bonding test sample (3).
5. The cementing reliability experiment device for simulating the transverse vibration working condition according to claim 4, wherein the upper part of the main loading platform comprises a main loading platform base (201), a main loading driving motor (202), a main loading cantilever (203), a displacement sensor (206), an upper chuck (204) and an upper chuck horizontal adjusting block (205), the lower part of the main loading platform comprises a lower chuck base (209), a lower chuck (207) and a lower chuck horizontal adjusting block (208), wherein the main loading platform base (201) is arranged on the upper part of the frame body (1), the main loading driving motor (202) is positioned above the main loading platform base (201), an output shaft of the main loading platform base is connected with the main loading cantilever (203), the upper chuck (204) is connected with the tail end of the main loading cantilever (203), and the upper chuck horizontal adjusting block (205) is arranged inside the main loading platform base, the displacement sensor (206) is arranged on the main loading cantilever (203) and is used for measuring and outputting displacement information; the lower chuck (207) is fixedly connected on the lower chuck base (209), and the lower chuck horizontal adjusting block (208) is arranged in the lower chuck base.
6. The cementing reliability experiment device for simulating the transverse vibration working condition according to claim 5, characterized in that the central controller (6) comprises a communication unit, a storage unit, an arithmetic unit and an input/output unit, and has the functions of receiving command signals, collecting feedback information, executing data arithmetic, sending execution commands to related components, tracking and adjusting working condition parameters in real time;
the communication unit is in two-way communication with the main loading driving motor (202), the left vibration loading platform driving motor (402), the right vibration loading platform driving motor (502), the left vibration generator electromagnetic coil (407), the right vibration generator electromagnetic coil (507) and the displacement sensor (206), receives feedback information in real time and sends an instruction signal; the arithmetic unit has an analysis arithmetic function, and is used for analyzing and processing data information and making a loading control strategy; the storage unit is used for storing filing state information, instruction information and control strategy data information; the input and output unit is used as an interactive interface and is used for receiving instructions and outputting state information.
7. The control method for the cementing reliability experiment device simulating the transverse vibration working condition according to claim 6 is characterized by comprising the following main steps:
step 1, a central processing unit receives a loading instruction and a feedback signal;
step 2, according to the instruction and the feedback, a loading control strategy is formulated;
step 3, sending an instruction and realizing Z-direction loading;
step 4, synchronous tracking of the transverse vibration generator;
step 5, sending an instruction and realizing the loading of the simulated transverse vibration;
and 6, monitoring the experimental process, and feeding back and coordinating in real time.
8. The control method of the gluing reliability experiment device for simulating the transverse vibration working condition according to claim 7, wherein in the step 1, the central controller (6) receives a loading instruction and a feedback signal, the loading instruction comprises a preset Z-direction main loading mode signal (601) and a preset X-direction vibration loading mode signal (602), and the feedback signal comprises a main loading driving motor feedback signal (604) of the main loading driving motor (202), a displacement feedback signal (605) of the displacement sensor (206), a left vibration loading platform driving motor feedback signal (607) of the left vibration loading platform driving motor (402), and a right vibration loading platform driving motor feedback signal (609) of the right vibration loading platform driving motor (502).
9. The control method of the cementing reliability experiment device for simulating the transverse vibration working condition according to claim 7,
in the step 2, the loading control strategy comprises a main loading drive motor control strategy, a left vibration loading platform control strategy, a right loading platform control strategy, a left vibration generator control strategy and a right vibration generator control strategy;
the specific step of the step 3 is that the central controller (6) sends a main loading driving motor driving signal (603) to the main loading driving motor (202), and controls the main loading driving motor (202) to drive the main loading cantilever (203) to move along the Z direction, so as to drive the upper chuck (204) to move along the Z axis, and the Z direction loading of the adhesive test sample piece (3) is realized.
10. The control method of the cementing reliability experiment device for simulating the transverse vibration working condition according to claim 7, characterized in that the step 4 and the step 3 are performed synchronously, and the specific steps of the step 4 are as follows:
the central controller (6) adjusts and loads the left and right transverse vibration according to the control strategies of the left and right vibration loading platforms and the left and right vibration generators formulated in the step 2;
the central controller (6) sends a left vibration loading platform driving motor driving signal (606) to the left vibration loading platform driving motor (402), and controls the left vibration loading platform driving motor (402) to drive the left vibration loading platform driving shaft (403) to move along the Z direction, so that the left vibration generator positioned in the left vibration generator chuck (404) is driven to move along the Z axis, the synchronous tracking of the displacement of the left vibration generator along the Z axis and the displacement of the adhesive bonding test sample piece (3) in the Z direction is realized, and the application of vibration is ensured to always follow the center of an adhesive bonding head;
central controller (6) to right vibration loading platform driving motor (502) send right vibration loading platform driving motor drive signal (608), control right vibration loading platform driving motor (502) drive right vibration loading platform drive shaft (503) are along Z to the motion, thereby the drive is located in right vibration generator chuck (504) right vibration generator moves along the Z axle, realizes right vibration generator along Z axle displacement with the displacement synchronous tracking of gluing test sample piece (3) in Z to, thereby guarantee the application of vibration always along the center of gluing the joint.
11. The control method of the cementing reliability experiment device for simulating the transverse vibration working condition according to claim 7, characterized in that the step 5 and the step 3 are performed synchronously, and the specific steps of the step 5 are as follows:
controlling a left vibration generator electromagnetic coil (407) to drive the left vibration generator electromagnetic driving head (408) to vibrate slightly along the X-axis direction through a left vibration generator electromagnetic coil driving signal (610), so as to realize the left-side loading of the transverse vibration of the gluing test sample piece (3);
controlling the right vibration generator electromagnetic coil (507) to drive the right vibration generator electromagnetic driving head (508) to vibrate slightly along the X-axis direction through a right vibration generator electromagnetic coil driving signal (611), so as to realize right-side loading of the transverse vibration of the gluing test sample piece (3);
the specific steps of the step 6 are as follows: monitoring the experiment process, and feeding back and coordinating in real time; the working condition parameters of the whole experimental device are tracked and monitored in real time, real-time feedback and adjustment are carried out, and the application of the whole transverse direction of the adhesive test sample piece (3) is realized through the synergistic effect of the left vibration generator and the right vibration generator, so that the application stability of transverse vibration is ensured.
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