CN210896120U - Multifunctional research type mechanical comprehensive test analysis platform - Google Patents
Multifunctional research type mechanical comprehensive test analysis platform Download PDFInfo
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- CN210896120U CN210896120U CN201921090314.XU CN201921090314U CN210896120U CN 210896120 U CN210896120 U CN 210896120U CN 201921090314 U CN201921090314 U CN 201921090314U CN 210896120 U CN210896120 U CN 210896120U
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Abstract
The utility model provides a multi-functional research type mechanics integrated test analysis platform, wherein, this platform includes: the steel wire and the stressing hand wheel are rotated to tighten the steel wire to apply different forces to the thin-wall circular tube; the force sensor is arranged below the stressing hand wheel, is connected with the steel wire and measures the force application size of the stressing hand wheel; the sliding assembly comprises a pulley and a sliding block, a steel wire penetrates through the pulley and is connected with the thin-wall circular tube, and the stress direction of the thin-wall circular tube is changed by adjusting the position of the sliding block; the crank arm is fixed at a preset position of the thin-wall circular tube, and the steel wire penetrates through the crank arm and is used for changing the force couple of the thin-wall circular tube; the plane moving beam support is used for adjusting the position of a stressing hand wheel, so that the stressing hand wheel is aligned to the position to apply force to the semi-frame; the first base and the second base are used for adjusting positions according to the size of the half frame and fixing the half frame. The platform can realize integration of a plurality of experimental projects, has high degree of freedom, high stress and strain measurement precision and integration of loading and measurement.
Description
Technical Field
The utility model relates to an advance manufacturing technology field, in particular to multi-functional research type mechanics integrated test analysis platform.
Background
In the related art, the experimental form of the "mechanics of materials" of the course of the current discipline is single. The stress form of most experimental components is a single stress form, the content is simple, and the device is not beneficial to the students to exert creativity in the learning process. However, in practice, the stress form is mostly a composite stress form, so that the experiment is seriously separated from the actual working condition, in other words, for the components in the actual engineering, the stress complex situation of the components far exceeds the stress situation of the experimental components on the existing experimental project, students cannot better study the stress problem in the actual engineering under the existing conditions, the association between the actual engineering and the theory is difficult to combine with the practice.
In addition, the loading and the measurement of the force in most material mechanics experiment platforms are separated, the measurement precision of the material mechanics experiment platform is limited, and the loading of the force of the experiment platform can not provide a plurality of forms.
Therefore, how to enable the experiment to be better close to the actual engineering, and organically combine most theoretical knowledge of material mechanics with the actual application of the engineering is a problem to be solved urgently, and a platform for meeting the requirements of multiple professions is researched and developed.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the utility model discloses a put forward a multi-functional research type mechanics integrated test analysis platform. The platform integrates a plurality of experiments, solves the problem of poor universality of the experiment platform, solves the problem of low freedom degree of the experiment platform, designs a better experiment scheme, improves the experiment precision, realizes the corresponding relation between strain and stress and serves as an experiment reference standard.
In order to achieve the above object, the utility model provides a multi-functional research type mechanics integrated test analysis platform, include: the stress application hand wheel takes a screw rod as an axis, the displacement in the vertical direction is adjusted through rotation, and the steel wire is tightened to change the force application magnitude on the thin-wall circular pipe; one end of the force sensor is connected with the stressing hand wheel through a screw rod, and the other end of the force sensor is connected with the steel wire and used for measuring the force application size of the stressing hand wheel; the steel wire penetrates through the pulley and is connected with the thin-wall circular tube, and the steel wire is used for changing the stress direction and the moment of the thin-wall circular tube by adjusting the position of the sliding block; the crank arm is fixed at a preset position of the thin-wall circular tube, and the steel wire penetrates through the crank arm and is used for changing the size of a couple on the thin-wall circular tube; the plane moving beam support is used for adjusting the position of the stressing hand wheel, so that the stressing hand wheel is aligned to the position to apply force to the half-frame; the first base and the second base are used for adjusting positions according to the size of the half frame so as to fix the half frame.
The utility model discloses a multi-functional research type mechanics comprehensive test analysis platform, for the integrated form comprehensive experiment platform that can produce axial force, shear force, moment of torsion, moment of flexure, test content is abundant, the dismouting is nimble, and arbitrary combination, and can measure the strain of each internal force simultaneously, and realize the corresponding relation of strain and atress through the experiment; and the complex stress states of axial force, shearing force, torque and bending moment are measured, so that the experimental process is closer to the actual engineering, students can be in contact with the reality in the learning process, the deepened theoretical knowledge is consolidated, and the comprehensive practice capability and the innovation capability are enhanced.
Further, still include: the chassis is provided with a first rail, a second rail, a third rail, a pulley, a sliding block, a first base, a second base, a third rail and a base, wherein the pulley is installed on the sliding block, the sliding block is embedded into the first rail so as to change the stress direction of the thin-wall circular tube, and the first base and the second base are respectively embedded into the second rail and the third rail so as to adjust the position of the base according to the size of the half frame.
Furthermore, the first rail is arc-shaped, and the second rail and the third rail are parallel to each other and have the same distance from the edge of the chassis.
Furthermore, the base still is equipped with the stiff end of thin-walled circular tube, and wherein, the latter half is fixed in the chassis has the half slot with thin-walled circular tube meshing, and the upper half is equipped with the half slot with thin-walled circular tube meshing equally, and two parts pass through the screw fixation to fixed thin-walled circular tube.
Furthermore, the first base and the second base are identical in size and shape, the upper ends of the first base and the second base are respectively provided with a first square hole to a second square hole, and two ends of the half frame are respectively inserted into the first square hole to the second square hole to fix the half frame.
Furthermore, one end of the crank arm is a third square hole, a plurality of small round holes are drilled at the other end of the crank arm, the third square hole is clamped at the preset position of the thin-wall round tube, and the steel wire penetrates through the small round holes to change different force arms.
Furthermore, the half frame is composed of 2 beams in the x-axis direction and 1 beam in the y-axis direction in the xOy plane, the shape-centered shafts of the two adjacent beams are perpendicular to each other, wherein the length of the x-axis direction is controlled by adjusting the length of the inserted fixed end of the beam, and the length of the y-axis direction is controlled by replacing the half frames with different specifications, so that different experimental conditions are met.
And further, adjusting the size of the half-frame according to the arm lengths and the spacing values of the three beams.
Further, still include: one end of each of the first to fourth support columns is connected with the plane moving beam support, and the other end of each of the first to fourth support columns is connected with the chassis and used for fixing the plane moving beam support and the chassis.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a multifunctional research type mechanical comprehensive test analysis platform provided by the present invention, wherein a crank arm is not mounted;
fig. 2 is a schematic structural view of another multifunctional research type mechanical comprehensive test analysis platform provided by the present invention, wherein the crank arm is not installed;
fig. 3 is a front view of a thin-walled circular tube according to an embodiment of the present invention;
fig. 4 is a simulated connection diagram of a thin-walled circular tube and a crank arm according to an embodiment of the present invention, wherein fig. 3 and 4 only show how the crank arm is connected to the thin-walled circular tube, and fig. 1 and 2 are actual shapes;
fig. 5 is a flowchart of an implementation method of the multifunctional research-type mechanical comprehensive test analysis platform according to an embodiment of the present invention.
Description of reference numerals: the mechanical comprehensive test system comprises a 100-multifunctional research type mechanical comprehensive test analysis platform, 1-steel wires, 2-stress application hand wheels, 3-force sensors, 4-sliding components, 5-crank arms, 6-plane moving beam supports, 7-first bases, 8-second bases, 9-chassis, 10-first supports, 11-second supports, 12-third supports and 13-fourth supports.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The multifunctional research type mechanical comprehensive test analysis platform provided by the embodiment of the utility model is described below with reference to the attached drawings.
Fig. 1 and 2 are schematic structural diagrams of a multifunctional research type mechanical comprehensive test analysis platform according to an embodiment of the present invention.
As shown in fig. 1-2, the multifunctional research-type mechanical comprehensive test analysis platform 100 includes: the device comprises a steel wire 1, a stress application hand wheel 2, a force sensor 3, a sliding assembly 4, a crank arm 5, a plane moving beam support 6, a first base 7 and a second base 8.
Wherein, the boosting hand wheel 2 is used for changing the force application size of the thin-wall circular tube through the length of the boosting steel wire 1. One end of the force sensor 3 is connected with the stressing hand wheel 2 through a screw rod, and the other end of the force sensor is connected with the steel wire 1 and used for measuring the force application size of the stressing hand wheel 2. The sliding assembly comprises a pulley and a sliding block, the steel wire 1 penetrates through the pulley 4 and is connected with the thin-wall circular tube, and the stress direction and the torque of the thin-wall circular tube are changed by adjusting the position of the sliding block 4. The crank arm 5 is fixed at the preset position of the thin-wall circular tube, and the steel wire 1 penetrates through the crank arm 5 and is used for changing the size of a couple on the thin-wall circular tube. The plane moving beam support 6 is used for adjusting the position of the stressing hand wheel 2, so that the stressing hand wheel 2 applies force to the half-width frame. The first base 7 and the second base 8 are used for adjusting positions according to the size of the half frame so as to fix the half frame. The utility model discloses platform 100 can realize that a plurality of experimental items are integrated, the degree of freedom is high, stress and strain measurement accuracy is high, and the integration is measured in the loading.
Specifically, the stressing hand wheel 2 takes a screw rod as an axis, and displacement in the vertical direction is realized through rotation, so that the stressing steel wire 1 changes the force application size to the thin-wall circular tube, for example, the hand wheel is rotated at different angles to pull the steel wire upwards, and the like.
Further, the embodiment of the utility model provides a still include: a chassis 9 and first to fourth pillars 10-13. The chassis is provided with a first rail, a second rail, a third rail, a pulley, a sliding block 4, a first base 7, a second base 8, a third rail and a fourth rail, wherein the first rail, the second rail, the third rail and the fourth rail are arranged on the chassis, the pulley is arranged on the sliding block, the sliding block 4 is embedded into the first rail so as to change the stress direction of the thin-wall circular tube, and the first base 7 and the second base 8 are respectively embedded into the second rail.
It should be noted that the first rail is arc-shaped, the second rail and the third rail are parallel to each other, and the distance from the edge of the chassis 9 is the same.
Additionally, the embodiment of the utility model provides an in the base still be equipped with the stiff end of thin wall pipe, wherein, the latter half is fixed in the chassis, has the half slot with thin wall pipe meshing, the upper half be equipped with equally with thin wall pipe meshing's half slot, two parts pass through the screw fixation to fixed thin wall pipe.
It should be noted that, as shown in fig. 3 and 4, one end of the thin-walled circular tube is fixed by a fixed end, and the other end of the thin-walled circular tube can be selectively supported at the lower end thereof and adjusted to a suitable height to balance the bending moment, so as to realize a pure torsion experiment. The rectangular part of the device can provide torque, bending moment and shearing force by the crank arm 5, and the crank arm 5 can adjust the length so as to realize the adjustment of the arm of force; the tail end of the crank arm 5 provides force which can be directly measured for the tail end of the crank arm 5 through a steel wire connected with the force sensor 3, and related parameters can be calculated according to a torque formula.
Optionally, in an embodiment of the present invention, the first base 7 and the second base 8 are the same in size and shape, and the upper end is a first square hole to a second square hole, so that the two ends of the half frame are respectively inserted into the first square hole to the second square hole to fix the half frame.
Further, as shown in fig. 1, one end of the crank arm 5 is a third square hole, 4 round holes with equal intervals are drilled at the other end of the crank arm, the third square hole is clamped at a preset position of the thin-wall round tube, and the steel wire penetrates through the plurality of small round holes to change different force arms.
It can be understood that, as shown in fig. 2, the half frame is composed of 3 beams in an xOy plane, and is in a shape like a Chinese character [, the centroid axes of two adjacent beams are perpendicular to each other, wherein the length a in the x-axis direction can be controlled by adjusting the length of the beam inserted into the fixed end, the length L in the y-axis direction can be controlled by replacing half frames with different specifications, and the size of the half frame can be adjusted by screw holes and screws. Wherein, the size of the half-frame is adjusted according to the arm length and the distance value of the three beams.
That is to say, two important parameters arm length a, the interval L of roof beam are adjusted through changing the screw, can change different parameters according to the experiment requirement, form different experimental conditions. It should be noted that, the screw holes on the first square hole and the second square hole are not provided with screw holes on the beam, and the screw is directly pressed.
Particularly, the utility model discloses platform 100 comprises thin wall pipe experiment and half frame experiment two parts.
A first experimental platform: the thin-wall circular tube experiment forms various experimental conditions by controlling the type, the size, the direction and the like of force application, thereby carrying out various different comprehensive experiments, including an axial tension experiment, a stretch-bending composite stress experiment, a pure torsion experiment, a bending-torsion composite stress experiment and the like.
The sliding components are arranged at the position parallel to the thin-wall circular tube, the force is applied by the force application hand wheel 2 to enable the steel wire 1 to tightly pull the thin-wall circular tube, the force sensor 3 below the force application hand wheel 2 measures the force in the horizontal direction, an experiment operator calculates and records the magnitude of the axial force, and the components are restored to the original positions.
The sliding block is moved to a preset position, the force application hand wheel 2 applies force to clamp the steel wire 1, the thin-wall circular tube is pulled, the force sensor 3 below the force application hand wheel 2 measures oblique force, an experiment operator calculates and records the magnitude of axial force and bending moment, and all components are restored to original positions.
As shown in fig. 4, the crank arm 3 is fixed on a thin-walled circular tube, the steel wire 1 passes through any small circular hole on the crank arm 3 (at this time, the steel wire does not pass through a pulley), one end of the steel wire 1 is connected with the thin-walled circular tube, the other end of the steel wire is connected with the stressing hand wheel 2, the stressing hand wheel 2 applies force to tighten the steel wire 1 and drag the thin-walled circular tube, the force sensor 3 below the stressing hand wheel 2 measures the applied concentrated force, and an experimental operator records bending moment, torque and shearing force. Wherein, the experiment operator can be according to the experiment requirement change different little round holes and survey different moments of torsion.
And (2) carrying out a second experimental platform: in a half-frame experiment, the position of a force application point, the magnitude of the force application and the like can be controlled, and the rectangular beam device can realize a plurality of comprehensive experiments.
After the thin-wall circular tube experiment is completed, an experiment operator removes a crank arm 5, a steel wire 1 and a thin-wall circular tube completely, a preset pressure head is installed on a stress application hand wheel 2, then a plane moves a beam support, the stress application hand wheel 2 is adjusted to be above a first base 7 and a second base 8, meanwhile, the first base 7 and the second base 8 adjust corresponding positions according to the size of a half frame to be tested, the experiment operator inserts the half frame into square holes in the upper ends of the first base 7 and the second base 8, the half frame is clamped, an experiment operator shakes a handle of the stress application hand wheel 2 to enable the lower portion of the handle to be in contact with the half frame, force is applied to the half frame, a force sensor 3 below the stress application hand wheel 2 measures applied concentrated force, and the experiment operator calculates and records bending moment, torque and shearing force values. Wherein, the embodiment of the utility model provides an in, plan to adopt two stiff ends, the point of application position is selected wantonly, and the length and the width of half frame can be adjusted, and the experiment operation is former can carry out the application of force to the different positions of half frame according to the experiment requirement, also can adjust the size of half frame to obtain more measured data.
Based on the foregoing, the embodiment of the utility model provides a design and process out and measure the comprehensive test platform of the compound stress state of loading self-integration, its loading form is diversified, can be in the plane of xOy optional position loading concentrated power, can reach 3000N at the utmost. Different experimental projects can be realized: 1) the hollow round tube is selected as a research object, and can realize cantilever beam bending experiment, axial stretching experiment, pure twisting experiment, bending and twisting combined experiment and bending and stretching combined experiment, and the pulling force can be axial or non-axial. 2) The more complicated research object is a half-width rectangular frame, double fixed ends are adopted, the position of a stress point is randomly selected, the length and the width of the frame can be adjusted, rich complex stress states can be realized, and different comprehensive experiment projects can be realized. Therefore, experiment operators can obtain experiment data aiming at the platform, do a large amount of test analysis work and summarize the rule of each experiment project.
In summary, the conventional material mechanics experiment mainly focuses on the deformation of the material in a single loading mode, and there is no experimental project for mechanical behavior research on the material or the component in a complex loading mode. The embodiment of the utility model provides a mechanical experiment platform of planning development can realize that a plurality of experimental items are integrated, the degree of freedom is high, power and strain measurement accuracy are high, and the integration is measured in the loading, realizes meeting an emergency and the corresponding relation of atress. Has the following advantages:
(1) and the loading and measurement of various forces are realized. The multiple force loading is to make the experimental platform more comprehensive. Enough data are measured in the early stage to prepare data for establishing the corresponding relation of force and strain, and the experimental precision is improved to the maximum extent.
(2) The degree of freedom of the experimental platform is high. For example, a hand wheel for loading bending moment can freely slide in a horizontal plane xOy by utilizing a slide block, can apply force at any position, and has the degree of freedom of 2; the device for loading the axial force can be adjusted in position through the arc track to provide pulling forces in different directions, and further can provide bending moment while providing the axial force.
(3) And realizing the corresponding relation between strain and stress. The experiment with enough times and high precision is carried out in the early stage, the corresponding relation between strain and stress can be realized by utilizing data, on one hand, the corresponding relation can be finally used as the reference of the student experiment, so that accidental errors can be conveniently eliminated, and on the other hand, the corresponding relation is presented in the form of images, so that the student can know more intuitively during the experiment.
(4) The experiment platform can carry out a plurality of experimental items, including in class experiment and independently innovate the experiment, collects a plurality of experiments in an organic whole, and the experiment platform universality is strong.
(5) Can be flexibly assembled and disassembled and combined at will, and can meet various requirements.
According to the embodiment of the utility model provides a multi-functional research type mechanics integrated test analysis platform, for can producing the axial force, the shear force, the moment of torsion, the integrated form integrated test platform of moment of flexure, the test content is abundant, the dismouting is nimble, and arbitrary combination, and can each internal force of simultaneous measurement meet an emergency, and realize meeting an emergency and the corresponding relation of atress through the experiment, and measure the axial force, the shear force, the moment of torsion, the complicated stress state of moment of flexure, make the experimentation be close actual engineering more, let the student can contact the reality in the course of study, consolidate deepening theoretical knowledge, strengthen comprehensive practice ability and innovation ability.
Next, an implementation method of the multifunctional research type mechanical comprehensive test analysis platform provided by the embodiment of the invention is described with reference to the attached drawings.
Fig. 5 is a flowchart of an implementation method of the multifunctional research-type mechanical comprehensive test analysis platform according to an embodiment of the present invention.
As shown in fig. 5, the implementation method includes the following steps:
in step S1, the stressing hand wheel is rotated to tighten the steel wire, and the thin-walled circular tube is axially and horizontally stressed to perform an axial tensile test.
In step S2, strain values caused by the first axial force are acquired.
In step S3, the position of the slider is changed, and the stressing handwheel is rotated again to tighten the steel wire, so as to apply force to the thin-walled circular tube in an oblique direction, thereby performing a composite stress test of stretching and bending.
In step S4, strain values due to the second axial force and the bending moment are collected.
In step S5, a crank arm is installed on the thin-walled circular tube, and the steel wire passes through the crank arm, and the steel wire does not pass through the pulley, and the stressing hand wheel is rotated again to tighten the steel wire, and an axial force couple and a Z-direction concentrated force are applied to the thin-walled circular tube to perform a torsion and bending composite stress experiment.
In step S6, strain values due to the second torque and bending moment are collected.
In step S7, the sliding plane moves the beam bracket to adjust the force application handwheel to be right above the first base and the second base.
In step S8, the positions of the first base and the second base are adjusted according to the size of the half frame, and the half frame is locked.
In step S9, the rotary urging arm applies a concentrated force to the half frame in the Z direction at the preset position.
In step S10, strain values due to the second bending moment, torque and shear force are collected.
It should be noted that the foregoing explanation of the embodiment of the multifunctional research-type mechanical comprehensive test analysis platform is also applicable to the implementation method of the multifunctional research-type mechanical comprehensive test analysis platform, and details are not repeated here.
According to the embodiment of the utility model, the implementation method of the multifunctional research type mechanical comprehensive test analysis platform is an integrated comprehensive experiment platform capable of generating axial force, shearing force, torque and bending moment, has rich test contents, flexible disassembly and assembly and arbitrary combination, can simultaneously measure the strain of each internal force, and realizes the corresponding relation between the strain and the stress through experiments; and the complex stress states of axial force, shearing force, torque and bending moment are measured, so that the experimental process is closer to the actual engineering, students can be in contact with the reality in the learning process, the deepened theoretical knowledge is consolidated, and the comprehensive practice capability and the innovation capability are enhanced.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a multi-functional research type mechanics integrated test analysis platform which characterized in that includes:
the stress application hand wheel takes a screw rod as an axis, the displacement in the vertical direction is adjusted through rotation, and the steel wire is tightened to change the force application magnitude on the thin-wall circular pipe;
one end of the force sensor is connected with the stressing hand wheel through a screw rod, and the other end of the force sensor is connected with the steel wire and used for measuring the force application size of the stressing hand wheel;
the steel wire penetrates through the pulley and is connected with the thin-wall circular tube, and the steel wire is used for changing the stress direction and the moment of the thin-wall circular tube by adjusting the position of the pulley;
the crank arm is fixed at a preset position of the thin-wall circular tube, and the steel wire penetrates through the crank arm and is used for changing the size of a couple on the thin-wall circular tube;
the plane moving beam support is used for adjusting the position of the stressing hand wheel so that the stressing hand wheel is aligned with the half-frame to apply force; and
the first base and the second base are used for adjusting positions according to the size of the half frame so as to fix the half frame.
2. The multifunctional research-type mechanical comprehensive test analysis platform of claim 1, further comprising:
the chassis is provided with a first rail, a second rail, a third rail, a pulley, a sliding block, a first base, a second base, a third rail and a base, wherein the pulley is installed on the sliding block, the sliding block is embedded into the first rail so as to change the stress direction of the thin-wall circular tube, and the first base and the second base are respectively embedded into the second rail and the third rail so as to adjust the position of the base according to the size of the half frame.
3. The platform of claim 2, wherein the first track is arc-shaped, and the second track and the third track are parallel to each other and are located at the same distance from the edge of the chassis.
4. The multifunctional research type mechanical comprehensive test and analysis platform according to claim 2, wherein the base is further provided with a fixed end of a thin-walled circular tube, wherein the lower half portion is fixed on the base plate and provided with a semicircular groove meshed with the thin-walled circular tube, the upper half portion is also provided with a semicircular groove meshed with the thin-walled circular tube, and the two portions are fixed through screws so as to fix the thin-walled circular tube.
5. The multifunctional research-type mechanical comprehensive test analysis platform according to claim 1, wherein the first base and the second base are identical in size and shape, and the upper ends of the first base and the second base are provided with first through second square holes, so that the two ends of the half frame are respectively inserted into the first through second square holes to fix the half frame.
6. The multifunctional research type mechanical comprehensive test analysis platform according to claim 1, wherein one end of the crank arm is a third square hole, a plurality of small round holes are drilled at the other end of the crank arm, the third square hole is clamped at a preset position of the thin-wall round tube, and the steel wire penetrates through the small round holes to change different force arms.
7. The multifunctional research type mechanical comprehensive test analysis platform according to claim 1, wherein the half frame consists of 2 beams in the x-axis direction and 1 beam in the y-axis direction in an xOy plane, the shape-centered shafts of two adjacent beams are perpendicular to each other, the length in the x-axis direction is controlled by adjusting the length of the beam insertion fixing end, and the length in the y-axis direction is controlled by replacing half frames with different specifications so as to meet different experimental conditions.
8. The multifunctional research-type mechanical comprehensive test analysis platform according to claim 7, wherein the size of the half-frame is adjusted according to the arm lengths and the spacing values of the three beams.
9. The multifunctional research-type mechanical comprehensive test analysis platform of claim 1, further comprising:
one end of each of the first to fourth support columns is connected with the plane moving beam support, and the other end of each of the first to fourth support columns is connected with the chassis and used for fixing the plane moving beam support with the chassis.
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| CN201921090314.XU CN210896120U (en) | 2019-07-11 | 2019-07-11 | Multifunctional research type mechanical comprehensive test analysis platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110400506A (en) * | 2019-07-11 | 2019-11-01 | 清华大学 | Multi-functional research mechanics comprehensive test analysis platform and implementation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110400506A (en) * | 2019-07-11 | 2019-11-01 | 清华大学 | Multi-functional research mechanics comprehensive test analysis platform and implementation method |
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