CN115032065A - Tension-compression-bending test device for assembled structure and using method - Google Patents
Tension-compression-bending test device for assembled structure and using method Download PDFInfo
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- CN115032065A CN115032065A CN202210513898.7A CN202210513898A CN115032065A CN 115032065 A CN115032065 A CN 115032065A CN 202210513898 A CN202210513898 A CN 202210513898A CN 115032065 A CN115032065 A CN 115032065A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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Abstract
The application provides a fabricated structure draws test device that bends and application method, wherein, fabricated structure draws test device that bends includes: the structure body comprises a pair of vertical beams arranged along a first direction, and a first space is formed between the two vertical beams; a pair of cross beams arranged in a second direction are further arranged in the first space, and two ends of each cross beam are respectively connected with the vertical beams on the corresponding sides; a loading device, comprising: the loading mechanism is provided with a telescopic end and is detachably connected with the cross beam which is relatively positioned above the loading mechanism; the first connecting end is connected with the telescopic end; the second connecting end is detachably connected with the cross beam which is relatively positioned below; the cross beam and the vertical beam respectively comprise at least two splicing pieces, and adjacent splicing pieces are detachably connected. The application provides a pair of assembled structure draws bending test device need not set up fixing device at the test place and fixes founding the roof beam, has can dismantle between the main part, the equipment, removes convenient advantage.
Description
Technical Field
The disclosure generally relates to the technical field of mechanical measurement and detection, and particularly relates to a tension-compression bending test device for an assembled structure and a using method of the tension-compression bending test device.
Background
The traditional tension-compression bending test device is provided with a cross beam and two vertical beams which are perpendicular to the cross beam and fixedly connected with two ends of the cross beam; during testing, two vertical beams are often required to be fixed on the ground, one part of the loading device is arranged on the cross beam, and the other part of the loading device is arranged on the ground; meanwhile, the cross beams and the vertical beams have large volumes, so that the cross beams and the vertical beams cannot be conveniently and quickly moved during transportation.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, it is desirable to provide a tension-bending test apparatus for a fabricated structure and a method of using the same, which can solve the above-mentioned problems.
This application first aspect provides an assembled structure draws pressure bending test device, includes:
a structural body, the structural body comprising: the vertical beams are arranged along a first direction, and a first space is formed between the two vertical beams; a pair of cross beams arranged in a second direction are further arranged in the first space, and two ends of each cross beam are respectively connected with the vertical beams on the corresponding sides; the first direction and the second direction are perpendicular to each other; an installation space is formed between the two vertical beams and the two cross beams;
a loading device, the loading device comprising:
the loading mechanism is provided with a telescopic end, and one end of the loading mechanism, which is relatively far away from the telescopic end, is detachably connected with the cross beam which is relatively positioned above the loading mechanism;
the first connecting end is connected with the telescopic end;
the second connecting end is separated from the first connecting end and detachably connected with the cross beam relatively positioned below;
a test space capable of accommodating a piece to be tested is formed between the first connecting end and the second connecting end;
the beam and the vertical beam respectively comprise at least two splicing pieces, and adjacent splicing pieces are detachably connected.
According to the technical scheme provided by the embodiment of the application, the two cross beams are respectively a first cross beam arranged far away from the ground and a second cross beam arranged close to the ground.
According to the technical solution provided by the embodiment of the present application, the loading device includes a stretching unit, and in the stretching unit, the loading mechanism includes:
the servo motor is detachably arranged on the first cross beam;
the threaded rod is arranged in parallel to the first direction, one end of the threaded rod is fixedly connected with the servo motor, and the other end of the threaded rod is in threaded connection with a first connecting piece;
the tension dynamometer is fixedly connected with one end, far away from the threaded rod, of the first connecting piece;
the first connecting end is a first clamp, and the first clamp is fixedly connected with one end of the tension dynamometer, which is far away from the first connecting piece;
the second connecting end is a second clamp, the second clamp is detachably mounted on the second cross beam, and a mounting space for placing the piece to be tested is formed between the second clamp and the first clamp.
According to the technical scheme provided by the embodiment of the application, the loading device comprises a compression unit, and in the compression unit, the loading mechanism comprises:
first servo pneumatic cylinder, first servo pneumatic cylinder demountable installation on first crossbeam, first servo pneumatic cylinder's first piston rod is along being on a parallel with first direction can freely stretch out and draw back:
the first pressure dynamometer is fixedly connected with the end part of the first piston rod;
the first connecting end is an abutting part, and the abutting part is fixedly connected with one end, far away from the first piston rod, of the first pressure dynamometer;
the second link is the pedestal, pedestal demountable installation in on the first crossbeam, the pedestal with form between the butt piece and be used for placing the installation space of waiting to test the piece.
According to the technical scheme provided by the embodiment of the application, the loading device comprises a bending unit, and in the bending unit, the loading mechanism comprises:
the second servo hydraulic cylinder is detachably mounted on the first cross beam, and a second piston rod of the second servo hydraulic cylinder can freely stretch and retract along a direction parallel to the first direction;
a second pressure dynamometer fixedly connected with the second piston rod end;
the first connecting end is a distribution beam which is arranged at one end of the second pressure dynamometer far away from the second piston rod;
the second connecting end is a cushion block, the cushion block is detachably mounted on the second cross beam, and a mounting space for placing the piece to be tested is formed between the cushion block and the distribution beam.
According to the technical scheme provided by the embodiment of the application, the splicing piece comprises a splicing piece main body and an auxiliary connecting piece detachably connected with the splicing piece main body.
According to the technical scheme provided by the embodiment of the application, the splicing element main body is hollow.
The application second aspect provides a use method of an assembled structure tension-compression bending test device, which comprises the following steps:
s1, splicing a plurality of splicing pieces into the structure main body, and placing the structure main body to a test site;
s2, mounting the loading device on the cross beam;
s3, placing the piece to be tested on the loading device for testing;
and S4, after the test is finished, taking down the loading device from the structural main body, and disassembling the structural main body into the splicing piece.
The beneficial effect of this application lies in: by arranging the cross beams and the vertical beams, an installation space is formed between the cross beams and the vertical beams, and the loading device is arranged in the installation space and detachably connected with the cross beams, so that the vertical beams are not required to be fixed on an installation plane, when the loading device provides a load, the force of the load acts on the two cross beams and does not act on the installation plane, and the loading device is convenient to change the types according to different test requirements; because the loading because the crossbeam with found the roof beam by a plurality of splice forms, the crossbeam with found the roof beam and conveniently dismantle and assemble, be convenient for transportation and deposit. The application provides a pair of assembled structure draws bending test device has and need not set up fixing device at the test place and fix the upright beam, and can dismantle, assemble between the main part, remove convenient advantage.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram illustrating a connection between a stretching unit and a structural body in an assembled structure tension-compression bending test apparatus provided by the present application;
fig. 2 is a schematic structural diagram illustrating a connection between a compression unit and a structural body in an assembled structure tension-compression bending test apparatus provided by the present application;
fig. 3 is a schematic structural diagram illustrating a connection between a bending unit and a structural body in an assembled structure tension-compression bending test device provided by the present application;
FIG. 4 is a schematic structural diagram of a splice in a tension-compression bending test apparatus with an assembled structure according to the present application;
fig. 5 is a schematic structural view of a connection node between a cross beam and a vertical beam in the fabricated structure tension-compression bending test apparatus provided by the present application;
reference numbers: 1. a cross beam; 2. erecting a beam; 3, splicing pieces; 3-1, splicing piece main bodies; 3-2, auxiliary connecting pieces; 4. a servo motor; 5. a threaded rod; 6. a first connecting member; 7. a tension dynamometer; 8. a first clamp; 9. a second clamp; 10. a first servo hydraulic cylinder; 11. a first pressure dynamometer; 12. an abutting member; 13. a pedestal; 14. a second servo hydraulic cylinder; 15. a second pressure dynamometer; 16. a distribution beam; 17. cushion blocks; 18. a limiting plate; 19. a first support; 20. a second support.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Please refer to fig. 1, fig. 2, and fig. 3, which are schematic structural diagrams of a stretching unit, a compressing unit, and a bending unit in an assembled structural stretch-press bending test apparatus provided in the present application, respectively, including:
a structural body, the structural body comprising: a pair of vertical beams 2 arranged along a first direction, wherein a first space is formed between the two vertical beams 2; a pair of cross beams 1 arranged in a second direction are further arranged in the first space, and two ends of each cross beam 1 are respectively connected with the vertical beams 2 on the corresponding sides; the first direction and the second direction are perpendicular to each other; an installation space is formed between the two vertical beams 2 and the two cross beams 1;
a loading device, the loading device comprising:
the loading mechanism is provided with a telescopic end, and one end of the loading mechanism, which is relatively far away from the telescopic end, is detachably connected with the cross beam which is relatively positioned above the loading mechanism;
the first connecting end is connected with the telescopic end;
the second connecting end is separated from the first connecting end and detachably connected with the cross beam which is relatively positioned below;
a test space capable of accommodating a piece to be tested is formed between the first connecting end and the second connecting end;
the beam 1 and the vertical beam 2 respectively comprise at least two splicing pieces 3, and the adjacent splicing pieces 3 are detachably connected.
Specifically, during installation, the cross beam 1 is arranged in parallel to the placing plane, and the vertical beam 2 is arranged perpendicular to the placing plane.
Specifically, the loading device is replaced by a stretching device, a compressing device or a bending device according to different test requirements.
Specifically, the splicing pieces 3 are connected through bolts, and the cross beam 1 is connected with the vertical beam 2 through bolts.
The working principle is as follows: by arranging the cross beam 1 and the vertical beam 2, an installation space is formed between the cross beam 1 and the vertical beam 2, the loading device is arranged in the installation space and is detachably connected with the cross beam 1, so that the vertical beam 2 does not need to be fixed on an installation plane, when the loading device provides a load, the force of the load acts on the two cross beams 1 and does not act on the installation plane, and the loading device is convenient to change types according to different test requirements; because the loading because crossbeam 1 with found the roof beam 2 by a plurality of splice 3 concatenation forms, crossbeam 1 with found roof beam 2 and conveniently dismantle and assemble, be convenient for transport and deposit. The application provides a pair of assembled structure draws bending test device has and need not set up fixing device at the test place and fix founding roof beam 2, and can dismantle between the main part, assemble, remove convenient advantage.
In a preferred embodiment, the two beams 1 are a first beam located far from the ground and a second beam located close to the ground.
In a preferred embodiment, the splicing element 3 comprises a splicing element main body 3-1 and an auxiliary connecting element 3-2 detachably connected with the splicing element main body 3-1.
Specifically, the splicing piece 3 is detachably connected with the splicing piece main body 3-1, so that the splicing piece 3 can be conveniently detached into a small part for transferring or storing.
Specifically, as shown in fig. 4, a plurality of first through holes are formed in the side wall of the splicing element main body 3-1, and a plurality of second through holes corresponding to the first through holes are formed in the auxiliary connecting element 3-2; the splicing piece main body 3-1 and the auxiliary connecting piece 3-2 extend into the first through hole and the second through hole through bolts to be fixed.
In a preferred embodiment, the splicing element main body 3-1 is made of steel, and the auxiliary connecting element 3-2 is angle steel.
In a preferred embodiment, the splice body 3-1 is hollow inside.
Specifically, the splicing element main body 3-1 is arranged in a hollow manner, so that on one hand, materials can be saved, and on the other hand, the weight of the splicing element main body 3-1 can be reduced.
In a preferred embodiment, the splice body 3-1 is a cube, the splice body 3-1 has a pair of oppositely disposed faces communicating with the inside of the splice body 3-1, the angle steel is mounted on the splice body 3-1 by bolts and nuts, and the angle steel is disposed in a direction parallel to the first direction; one part of the angle steel is connected with the splicing piece main body 3-1 through a bolt and a nut, and the other part of the angle steel is connected with the splicing piece main body 3-1 of the adjacent splicing piece 3 through a bolt and a nut.
Example 2
On the basis of embodiment 1, in this embodiment, the loading device includes a stretching unit in which the loading mechanism includes:
the servo motor 4 is detachably arranged on the first cross beam;
the threaded rod 5 is arranged in parallel to the first direction, one end of the threaded rod 5 is fixedly connected with the servo motor 4, and the other end of the threaded rod 5 is in threaded connection with a first connecting piece 6;
the tension dynamometer 7 is fixedly connected with one end, far away from the threaded rod 5, of the first connecting piece 6;
the first connecting end is a first clamp 8, and the first clamp 8 is fixedly connected with one end, far away from the first connecting piece 6, of the tension dynamometer 7;
the second connecting end is a second clamp 9, the second clamp 9 is detachably mounted on the second cross beam, and a mounting space for placing the piece to be tested is formed between the second clamp 9 and the first clamp 8.
Specifically, the first clamp 8 and the second clamp 9 clamp the piece to be tested during testing; the threaded rod 5 is coaxially and fixedly connected with a rotor of the servo motor 4, the rotor of the servo motor 4 rotates to drive the threaded rod 5 to rotate around the axis of the threaded rod 5, a limiting plate 18 is arranged on the servo motor 4, and the limiting plate 18 extends to two sides of the first connecting piece 6 along the first direction in parallel to avoid the first connecting piece 6 from rotating along the axis of the first connecting piece; because threaded rod 5 with 6 threaded connection of first connecting piece, just be equipped with limiting plate 18 on the servo motor 4, so threaded rod 5 can drive during the rotation first connecting piece 6 along being on a parallel with freely remove on the first direction, and then for waiting to test the piece provides the pulling force load, and the registration of load is in show on the tensile force dynamometer 7. And judging the tensile resistance of the piece to be tested by observing the number of the tension dynamometer 7 and the tensile degree of the piece to be tested.
Example 3
On the basis of embodiment 1, in this embodiment, the loading device includes a compression unit in which the loading mechanism includes:
a first servo hydraulic cylinder 10, the first servo hydraulic cylinder 10 being detachably mounted on the first beam, a first piston rod of the first servo hydraulic cylinder 10 being freely retractable along a direction parallel to the first direction:
a first pressure load cell 11, wherein the first pressure load cell 11 is fixedly connected with the end part of the first piston rod;
the first connecting end is an abutting part 12, and the abutting part 12 is fixedly connected with one end of the first pressure dynamometer 11 far away from the first piston rod;
the second link is pedestal 13, pedestal 13 demountable installation be in on the first crossbeam, pedestal 13 with form between the butt piece 12 and be used for placing the installation space of waiting to test the piece.
Specifically, the piston rod motion of first servo hydraulic cylinder 10, and then drive first pressure dynamometer 11 and butt piece 12 are along being on a parallel with the first direction motion, butt piece 12 is right the piece of waiting to test extrudees, right the pressure size that the piece of waiting to test provided is in show on the first pressure dynamometer 11, through the size of observing pressure and the state judgement of the piece of waiting to test the compressive capacity size of the piece of waiting to test.
Example 4
On the basis of embodiment 1, in this embodiment, the loading device includes a flexural unit in which the loading mechanism includes:
the second servo hydraulic cylinder 14 is detachably mounted on the first cross beam, and a second piston rod of the second servo hydraulic cylinder 14 can freely extend and retract along a direction parallel to the first direction;
a second pressure load cell 15, said second pressure load cell 15 being fixedly connected to said second piston rod end;
the first connecting end is a distribution beam 16 which is arranged at one end of the second pressure dynamometer 15 far away from the second piston rod;
the second connecting end is a cushion block 17, the cushion block 17 is detachably mounted on the second cross beam, and a mounting space for placing the test piece to be tested is formed between the cushion block 17 and the distribution beam 16.
Specifically, a first support 19 is arranged between the cushion block 17 and the piece to be tested; the distribution beam 16 is arranged between the piece to be tested and the second pressure dynamometer 15, the pressure dynamometer is abutted against the central position of one side of the distribution beam 16 far away from the second cross beam, and a second support 20 is arranged between the distribution beam 16 and the piece to be tested.
In a preferred embodiment, as shown in fig. 3, the two cushion blocks 17 and the two first supports 19 are respectively provided and are respectively used for supporting two ends of the to-be-tested piece along the direction parallel to the second direction; the second support 20 is provided with two and is used for respectively the both ends of distribution beam 16 with the test piece butt that awaits measuring, wait to test the piece with two the part between the tie point of second support 20 is the pure curved section that needs the experiment, wait to test the piece the pure curved section is gone up along being on a parallel with the second direction is arranged and is provided with a plurality of terminal strain, the terminal strain is the reference point of measuring the degree of bending.
In particular, the distribution beam 16 is arranged to share the load provided by the second servo hydraulic cylinder 14.
Specifically, the bending unit is used for testing the bending resistance degree of the piece to be tested; during the test, the second servo hydraulic cylinder 14 drive the second pressure dynamometer 15 moves down right distribution beam 16 provides the load, distribution beam 16 evenly divides and acts on the piece of waiting to test the load, through observing the registration of second pressure tester 15 and contrast all the strain terminal is in the biggest distance in the first direction, judge the strong and weak ability of bending of waiting to test the piece.
Example 5
On the basis of embodiment 1, in this embodiment, the loading device includes the tension unit, the compression unit, and the bending unit as described above, which are installed in the installation space at the same time and arranged in parallel to the second direction; the servo motor 4, the first servo hydraulic cylinder 10 and the second servo hydraulic cylinder 14 are arranged and installed on the first cross beam along the second direction; the second clamp 9, the pedestal 13 and the cushion block 17 are arranged and installed on the second cross beam along the second direction.
Specifically, the stretching unit, the compressing unit and the bending unit are simultaneously arranged on the cross beam 1, the three pieces to be tested can be simultaneously subjected to stretching, compressing and bending tests respectively, and the supporting effect of the structure body does not influence the three tests.
Example 6
The application provides a use method of an assembled structure tension-compression bending test device, which comprises the following steps:
s1, splicing a plurality of splicing pieces 3 into the structure main body, and placing the structure main body to a test site;
s2, mounting the loading device on the beam 1;
s3, placing the piece to be tested on the loading device for testing;
and S4, after the test is finished, taking down the loading device from the structural main body, and disassembling the structural main body into the splicing piece 3.
In a specific embodiment, as shown in fig. 5, the splice body 3-1 at the end of the cross beam 1 is provided with the auxiliary connecting member 3-2 arranged in parallel to a third direction, the third direction is perpendicular to the first direction and perpendicular to the second direction, and the auxiliary connecting member 3-2 is connected with the splice body 3-1 at the end of the upright beam 2 through bolts and nuts.
Specifically, in S2, the loading device is mounted on the cross beam 1 by bolts extending into the corresponding first through holes and second through holes and nuts being engaged therewith.
Specifically, in step S3, when performing a tensile test, the test piece to be tested is placed between the first clamp 8 and the second clamp 9 on the tensile unit and clamped, and the test is performed by controlling the servo motor 4 to change the magnitude of the tensile force;
when a compression experiment is carried out, the piece to be tested is placed between the abutting piece 12 and the pedestal 13 on the compression unit, and the pressure is changed by controlling the first servo hydraulic cylinder 10 to carry out the test;
when the flexural test is carried out, the to-be-tested piece is placed between the distribution beam 16 and the cushion block 17 on the flexural unit, and the pressure is changed by controlling the second servo hydraulic cylinder 14 to carry out the test.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides an assembled structure draws bending test device which characterized in that includes:
a structural body, the structural body comprising: the pair of vertical beams (2) are arranged along a first direction, and a first space is formed between the two vertical beams (2); a pair of cross beams (1) arranged in a second direction are further arranged in the first space, and two ends of each cross beam (1) are respectively connected with the vertical beams (2) on the corresponding sides; the first direction and the second direction are perpendicular to each other; an installation space is formed between the two vertical beams (2) and the two cross beams (1);
a loading device, the loading device comprising:
the loading mechanism is provided with a telescopic end, and one end of the loading mechanism, which is relatively far away from the telescopic end, is detachably connected with the cross beam which is relatively positioned above the loading mechanism;
the first connecting end is connected with the telescopic end;
the second connecting end is separated from the first connecting end and detachably connected with the cross beam relatively positioned below;
a test space capable of accommodating a piece to be tested is formed between the first connecting end and the second connecting end;
the beam (1) and the vertical beam (2) respectively comprise at least two splicing pieces (3), and adjacent splicing pieces (3) are detachably connected.
2. The tension-compression bending experimental device for the fabricated structure according to claim 1, wherein the two cross beams (1) are a first cross beam arranged far away from the ground and a second cross beam arranged close to the ground respectively.
3. The fabricated structure tension-compression bending test apparatus according to claim 2, wherein the loading device includes a tension unit in which the loading mechanism includes:
the servo motor (4), the said servo motor (4) is installed on said first crossbeam removably;
the threaded rod (5) is arranged in the first direction in parallel, one end of the threaded rod (5) is fixedly connected with the servo motor (4), and the other end of the threaded rod (5) is in threaded connection with a first connecting piece (6);
the tension dynamometer (7), the tension dynamometer (7) is fixedly connected with one end, far away from the threaded rod (5), of the first connecting piece (6);
the first connecting end is a first clamp (8), and the first clamp (8) is fixedly connected with one end, far away from the first connecting piece (6), of the tension dynamometer (7);
the second connecting end is a second clamp (9), the second clamp (9) is detachably mounted on the second cross beam, and a mounting space for placing the piece to be tested is formed between the second clamp (9) and the first clamp (8).
4. The fabricated structure tension-compression bending experimental device according to claim 2, wherein the loading device comprises a compression unit, and the loading mechanism comprises:
a first servo hydraulic cylinder (10), wherein the first servo hydraulic cylinder (10) is detachably mounted on the first beam, and a first piston rod of the first servo hydraulic cylinder (10) can freely stretch and retract along a direction parallel to the first direction:
a first pressure load cell (11), wherein the first pressure load cell (11) is fixedly connected with the end part of the first piston rod;
the first connecting end is an abutting part (12), and the abutting part (12) is fixedly connected with one end, far away from the first piston rod, of the first pressure dynamometer (11);
the second connecting end is a pedestal (13), the pedestal (13) is detachably mounted on the first cross beam, and a mounting space for placing the piece to be tested is formed between the pedestal (13) and the abutting piece (12).
5. The fabricated structure tension-compression bending experimental apparatus according to claim 2, wherein the loading device comprises a flexural unit in which the loading mechanism comprises:
the second servo hydraulic cylinder (14) is detachably mounted on the first cross beam, and a second piston rod of the second servo hydraulic cylinder (14) can freely stretch and retract along a direction parallel to the first direction;
a second pressure load cell (15), said second pressure load cell (15) being fixedly connected to said second piston rod end;
the first connecting end is a distribution beam (16) which is arranged at one end of the second pressure dynamometer (15) far away from the second piston rod;
the second connecting end is a cushion block (17), the cushion block (17) is detachably mounted on the second cross beam, and a mounting space for placing the piece to be tested is formed between the cushion block (17) and the distribution beam (16).
6. The pull-press bending test device of an assembled structure according to claim 1, wherein the splice (3) comprises a splice body (3-1) and an auxiliary connector (3-2) detachably connected to the splice body (3-1).
7. The fabricated structure tension-compression bending test device according to claim 6, wherein the splice body (3-1) is arranged hollow inside.
8. A method for using the fabricated structure tension-compression bending test device as claimed in claim 1, comprising the following steps:
s1, splicing a plurality of splicing pieces (3) into the structural main body, and placing the structural main body on a test site;
s2, mounting the loading device on the cross beam (1);
s3, placing the piece to be tested on the loading device for testing;
and S4, after the test is finished, taking down the loading device from the structural main body, and disassembling the structural main body into the splicing piece (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210513898.7A CN115032065A (en) | 2022-05-12 | 2022-05-12 | Tension-compression-bending test device for assembled structure and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210513898.7A CN115032065A (en) | 2022-05-12 | 2022-05-12 | Tension-compression-bending test device for assembled structure and using method |
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| CN202210513898.7A Pending CN115032065A (en) | 2022-05-12 | 2022-05-12 | Tension-compression-bending test device for assembled structure and using method |
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| Country | Link |
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| CN (1) | CN115032065A (en) |
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