CN116465760B - Beam member torsion test device and torsion test method - Google Patents
Beam member torsion test device and torsion test method Download PDFInfo
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- CN116465760B CN116465760B CN202310434386.6A CN202310434386A CN116465760B CN 116465760 B CN116465760 B CN 116465760B CN 202310434386 A CN202310434386 A CN 202310434386A CN 116465760 B CN116465760 B CN 116465760B
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Abstract
The application relates to a beam member torsion test device and a torsion test method, and belongs to the technical field of structural engineering; the force application piece is provided with a force application end, the force application end is connected with one end of the connecting piece, which is far away from the wheel disc, and the force application piece can apply force to the wheel disc through the connecting piece so as to drive the beam member to twist; the angle measurement structure is used to measure the torsion angle of the beam member. The beam member torsion test device and the torsion test method provided by the application have the advantages that the torsion rod and the beam member are combined to form the wheel axle structure, so that larger torque can be obtained by applying smaller load through the wheel axle principle, the loading is labor-saving, the torsion angle of the beam member is low in measurement difficulty, and the measurement accuracy is high.
Description
Technical Field
The application relates to the technical field of structural engineering, in particular to a beam member torsion test device and a torsion test method.
Background
In structural engineering, five basic stress states of a member are bending, shearing, twisting, stretching and compressing. Torsion is one of five basic stress states, and is important to consider in the design of the component; and for the concrete beam, the torsion damage form is complex, the loading load is large, the control is difficult, the torsion angle is extremely small, and the measurement is difficult. In the prior art, a torsion test device is generally used for carrying out intensive study on mechanical behavior and failure mechanism of a beam member under the action of torque. However, the existing torsion test device is generally provided with an arm extending device in a torsion plane of a loading end and is matched with a jack for loading, the method for loading the load is not easy to control, and the torsion core is easy to deflect; meanwhile, the torsion angle of the beam member is generally measured by an indirect measuring method in the existing torsion test, the conversion process of the measuring method is complex, and the torsion angle of the test beam is extremely small in the test, so that a large error is easy to occur.
Disclosure of Invention
Based on the above, it is necessary to provide a beam member torsion test apparatus and a torsion test method, so as to solve the technical problems that the beam member torsion test apparatus in the prior art is not easy to load and torsion angle is not easy to measure.
To this end, according to one aspect of the present application, there is provided a beam member torsion test apparatus including:
the clamping structure comprises a wheel disc, a plurality of connecting sleeves and a plurality of torsion bars, wherein the wheel disc is provided with a channel, through holes for communicating the channels are sequentially arranged on the wheel disc at intervals along the circumferential direction, one end part of a beam member can extend into the channel, the end part of the beam member is provided with the connecting sleeves corresponding to the plurality of through holes, the torsion bars are inserted into the channel, and one end of each torsion bar is connected with the connecting sleeve;
one end of the connecting piece is connected with the wheel disc;
the force application piece is provided with a force application end, the force application end is connected with one end of the connecting piece, which is far away from the wheel disc, and the force application piece can apply force to the wheel disc through the connecting piece so as to drive the beam member to twist; and
and the angle measuring structure is used for measuring the torsion angle of the beam member.
Optionally, the angle measurement structure comprises:
the dial is arranged on one side of the wheel disc along the axial direction of the beam member and fixed relative to the ground, the dial and the wheel disc are coaxially arranged, and an angle mark taking the axial line of the beam member as the center is arranged on the dial; and
the pointer extends along the radial direction of the wheel disc and is connected with the wheel disc, and the pointer can rotate along with the wheel disc to point to different angle marks.
Optionally, the angle measurement structure further comprises a base mounted on the ground, the dial and the base being detachably connected together.
Optionally, the dial is in a fan-shaped structure, at least part of the dial protrudes from the wheel disc, and the angle sign is located at the edge part of the dial protruding from the wheel disc.
Optionally, at least the end portion of the beam member, to which the wheel disc is connected, is provided with a section steel along the axis, and the beam member torsion test device further includes a bracket provided with a torsion center limiting hole, and the end portion of the section steel is rotatably mounted in the torsion center limiting hole.
Optionally, the support includes the stand of fixing subaerial and sets up the extensible member at the stand top, and the extensible member can be followed vertical direction and flexible, and torsion center limiting hole forms on the extensible member.
Optionally, the torsion bar is a telescopic bar.
Optionally, the force application member is a winch, and the connecting member is a steel cable.
Optionally, the beam member torsion test apparatus further includes a tension sensor, the connection member includes a first section connected to the hoist and a second section connected to the wheel disc, and the tension sensor is connected between the first section and the second section.
The beam member torsion test device that this application provided beneficial effect lies in: compared with the prior art, the beam member torsion test device comprises a clamping structure, a connecting piece, a force application piece and an angle measurement structure, wherein the clamping structure clamps one end of a beam member through a wheel disc, a plurality of connecting sleeves and a plurality of torsion bars, and the force application end is connected with the wheel disc through the connecting piece to drive the beam member to twist; therefore, compared with the direct torsion beam member of the force application member, the torsion rod and the beam member are combined to form the wheel axle structure, so that the arm of force of the load applied by the force application member can be lengthened, and the effect that larger torque can be obtained by applying smaller load is achieved, and the loading is labor-saving; the angle measurement structure increases the torsion change of the diameter amplification beam member, reduces the measurement difficulty of torsion angles and improves the measurement accuracy.
According to another aspect of the present application, there is provided a beam member torsion test method, applied to the beam member torsion test apparatus as described above, comprising the steps of:
manufacturing a beam member, wherein two ends of the beam member are respectively a fixed end and a loading end, and profile steel and a connecting sleeve are embedded in the loading end;
the loading end passes through the channel of the wheel disc and then is respectively provided with a loading end and a fixed end;
the wheel disc and the loading end are connected together through a torsion rod;
installing an angle measuring structure;
the force application piece and the connecting piece are installed, and the force application piece and the wheel disc are connected through the connecting piece;
actuating the force applying member to twist the beam member;
the torsion angle of the beam member is measured by the angle measurement structure.
The beam member torsion test method provided by the application has the beneficial effects that: compared with the prior art, the beam member torsion test method is applied to the beam member torsion test device, and can obtain larger torque by applying smaller load through the axle principle, so that loading is labor-saving; the torsion angle of the beam member is low in measurement difficulty and high in measurement accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a beam member torsion test apparatus according to one embodiment of the present application;
FIG. 2 is a schematic perspective view of a beam member torsion test apparatus according to another embodiment of the present disclosure;
FIG. 3 is a schematic perspective view of a beam member torsion test apparatus according to another embodiment of the present disclosure;
fig. 4 is a flow chart of a method for testing torsion of a beam member according to an embodiment of the present application.
Reference numerals illustrate:
10. a clamping structure; 110. a wheel disc; 111. a channel; 120. a connecting sleeve; 130. a torsion bar;
20. a connecting piece; 210. a first segment; 220. a second segment;
30. a force application member;
40. an angle measurement structure; 410. a dial; 411. an angle mark; 420. a pointer; 430. a base;
50. a bracket; 510. a column; 520. a telescoping member; 521. twisting the central limiting hole;
60. a tension sensor;
1. a beam member; 101. a fixed end; 102. a loading end; 103. a pure torsion section; 104. section steel; 2. ground surface.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 3 together, according to an aspect of the present application, an embodiment of the present application provides a beam member torsion test apparatus, which includes a clamping structure 10, a connector 20, a force application member 30, and an angle measurement structure 40, wherein the clamping structure 10 includes a wheel disc 110, a plurality of connection sleeves 120, and a plurality of torsion bars 130, the wheel disc 110 has a channel 111, through holes of the plurality of communication channels 111 are sequentially arranged on the wheel disc 110 at intervals along a circumferential direction, one end portion of a beam member 1 can extend into the channel 111 and a plurality of connection sleeves 120 are arranged on the end portion corresponding to the plurality of through holes, the torsion bars 130 are inserted into the channel 111, and one end of the torsion bars 130 is connected to the connection sleeves 120; one end of the connecting piece 20 is connected to the wheel disc 110; the force application piece 30 is provided with a force application end, the force application end is connected with one end of the connecting piece 20, which is far away from the wheel disc 110, and the force application piece 30 can apply force to the wheel disc 110 through the connecting piece 20 so as to drive the beam member 1 to twist; the angle measuring structure 40 is used to measure the torsion angle of the beam member 1.
In this embodiment, the beam member torsion test device includes a clamping structure 10, a connecting piece 20, a force application piece 30 and an angle measurement structure 40, wherein the clamping structure 10 clamps one end of a beam member 1 through a wheel disc 110, a plurality of connecting sleeves 120 and a plurality of torsion bars 130, and the force application end is connected with the torsion bars 130 through the connecting piece 20 to drive the beam member 1 to twist; thus, compared with the torsion beam member 1 directly by the force application member 30, the torsion rod 130 and the beam member 1 are combined to form an axle structure, so that the arm of force of the load applied by the force application member 30 can be lengthened, and the effect that a larger torque can be obtained by applying a smaller load is achieved, and the loading is labor-saving; the angle measuring structure 40 increases the torsion change of the diameter-enlarged beam member 1, reduces the difficulty of measuring the torsion angle, and improves the measurement accuracy.
The beam member 1 is a square beam, a cylindrical beam or a box beam, and the wheel disc 110 is in an outer circular shape or an outer circular and inner square shape. It will be appreciated that the specific shape of the beam member 1 and the wheel disc 110 are selected according to actual test requirements and are not limited solely herein.
Illustratively, referring to FIG. 1, the beam member 1 of one embodiment of the present application is a square beam, and the wheel disc 110 is circular in shape.
Illustratively, referring to fig. 3, the beam member 1 according to another embodiment of the present application is a square beam, and the wheel disc 110 has an outer-round and inner-square shape.
In one embodiment, referring to fig. 1, the angle measuring structure 40 includes a dial 410 and a pointer 420, wherein the dial 410 is disposed on one side of the wheel disc 110 along the axis direction of the beam member 1 and is fixed relative to the ground 2, the dial 410 and the wheel disc 110 are coaxially disposed, and an angle mark 411 centered on the axis of the beam member 1 is disposed on the dial 410; a pointer 420 extends along the radial direction of the wheel 110 and is connected to the wheel 110, and the pointer 420 can rotate along with the wheel 110 to point to different angle marks 411.
Through the arrangement, the dial 410 and the pointer 420 are matched with each other, so that the torsion angle of the beam member 1 can be directly read, the torsion angle can be intuitively displayed, the calculation process is reduced, and the measurement efficiency and the measurement accuracy are improved.
Further, the angle measuring structure 40 further includes a base 430 mounted on the ground 2, and the dial 410 and the base 430 are detachably coupled together.
In other embodiments, dial 410 is provided in plurality, with different dials 410 having different diameters. It will be appreciated that the greater the diameter, the longer the length of the axial edge of dial 410, and the more graduation marks that can be provided, and thus the greater the accuracy of the twist angle measurement.
In a more specific embodiment, referring to fig. 1, dial 410 has a fan-shaped structure, at least a portion of dial 410 protrudes from wheel disc 110, and angle indicator 411 is located at an edge portion of dial 410 protruding from wheel disc 110.
In this way, less material is used for the dial 410 with the fan-shaped structure, so that the weight of the dial 410 is reduced, and the manufacturing cost of the dial 410 is reduced.
And at least part of the dial 410 protrudes from the wheel disc 110, and the angle mark 411 is located at the edge portion of the dial 410 protruding from the wheel disc 110, so that the wheel disc 110 can be prevented from shielding the angle mark 411.
In other embodiments, the top of base 430 is provided with a fixed ring, the fixed ring and disc 110 are coaxially disposed and the fixed ring and disc 110 are rotatably coupled together, and dial 410 is disposed on the fixed ring.
Specifically, the fixed ring and the wheel disc 110 are connected together by a bearing.
Therefore, the fixed ring can play a certain radial limiting role on the wheel disc 110, the possibility of deflection of the torsion surface of the beam member 1 in the test process is reduced, the pure torsion loading of the beam member 1 is realized, the accuracy of the torsion test is improved, and the whole torsion test is safe and reliable.
In some embodiments, referring to fig. 1 and 3 together, at least the end of the beam member 1 to which the wheel disc 110 is connected is provided with a section steel 104 along the axis, and the beam member torsion test apparatus further includes a bracket 50 provided with a torsion center limiting hole 521, and the end of the section steel 104 is rotatably mounted in the torsion center limiting hole 521.
Through the arrangement, the axle center of the beam member 1 is overlapped with the rotation center of the wheel disc 110 through the torsion center limiting hole 521, the possibility of deflection of the torsion surface of the beam member 1 in the test process can be further reduced, the pure torsion loading of the beam member 1 is realized, the accuracy of the torsion test is improved, and the whole torsion test is safe and reliable.
In a specific embodiment, referring to fig. 1 to 3 together, the stand 50 includes a column 510 fixed to the ground 2 and a telescopic member 520 disposed on top of the column 510, the telescopic member 520 being capable of extending and retracting in a vertical direction, and a torsion center limiting hole 521 is formed in the telescopic member 520.
In this way, the bracket 50 can be extended and contracted in the vertical direction to accommodate beam members 1 of different heights.
In another embodiment, the torsion bar 130 is a telescoping bar.
It should be noted that, the different beam members 1 have different cross-sectional dimensions, and the cross-sectional dimension of the channel 111 of the wheel disc 110 is larger than the cross-sectional dimensions of all the beam members 1, so that the test device of the present application can test the beam members 1 with different cross-sectional dimensions.
By providing the torsion bar 130 as a telescopic bar as described above, beam members 1 of different cross-sectional dimensions can be accommodated.
In another embodiment, referring to fig. 1 to 3, the force application member 30 is a winch, and the connecting member 20 is a steel cable.
Further, a part of the wire rope is wound around both the wheel disc 110 and the hoist in advance so that the hoist can pull the wheel disc 110 to rotate better.
In a specific embodiment, referring to fig. 1 to 3 together, the beam member torsion test apparatus further includes a tension sensor 60, and the connection member 20 includes a first section 210 connected to the hoist and a second section 220 connected to the wheel disc 110, and the tension sensor 60 is connected between the first section 210 and the second section 220.
It will be appreciated that in general, the hoist, the first section 210, the tension sensor 60, and the second section 220 may be considered as a combined structure having both functions of applying tension and measuring tension.
In one embodiment of the present application, referring to fig. 1 and 2 together, the combined structure is composed of a hoist, a first section 210, a tension sensor 60 and a second section 220, and the beam member torsion test apparatus is provided with a combined structure.
In another embodiment of the present application, referring to fig. 2, the combined structure is composed of a hoist, a first section 210, a tension sensor 60 and a second section 220, and the beam member torsion test apparatus is provided with two combined structures, which are arranged in a central symmetry manner with respect to the beam member 1 and are respectively connected to two opposite sides of the wheel disc 110, so that the two combined structures drive the beam member 1 to twist in the same direction. In this way, the hoist is provided with two, and a larger torsion force can be applied to the beam member 1.
In other embodiments, the combined structure is composed of a hoist, a first section 210, a tension sensor 60, and a second section 220, and the beam member torsion test apparatus is provided with three, four, or other more combined structures, each of which drives the beam member 1 to twist in the same direction. The specific number of the combination structures is selected according to actual needs, and is not limited only herein. In this way, the hoist is provided in plural, and a larger torsion force can be further applied to the beam member 1.
In another embodiment of the present application, referring to fig. 3, the combined structure is composed of a winch, two first sections 210, two tension sensors 60 and two second sections 220, the winch can rotate in opposite directions, and two ends of the winch are respectively connected with the first section 210, the tension sensor 60 and the second section 220 in sequence. Thus, the beam member 1 can be conveniently driven to twist in two different directions by the forward and reverse rotation of one winch without frequent handling of equipment.
In accordance with another aspect of the present application, referring to fig. 4, an embodiment of the present application further provides a beam member torsion test method, which is applied to the beam member torsion test apparatus as described above, and includes the steps of:
step S10: the method comprises the steps of manufacturing a beam member 1, wherein two ends of the beam member 1 are respectively provided with a fixed end 101 and a loading end 102, a pure torsion section 103 is arranged between the fixed end 101 and the loading end 102, and profile steel 104 and a connecting sleeve 120 are embedded in the loading end 102.
Step S20: the loading end 102 passes through a channel 111 of the wheel disc 110 and then respectively erects the loading end 102 and the fixed end 101; wherein, the fixed end 101 of the beam member 1 is fixed by a clamp, and the section steel 104 on the loading end 102 of the beam member 1 is inserted into the torsion center limiting hole 521 on the bracket 50.
Step S30: the torsion bar 130 is used to connect the disc 110 to the loading end 102 by first sleeving the disc 110 on the loading end 102 and having a plurality of through holes in the disc 110 in one-to-one correspondence with a plurality of connecting sleeves 120 on the loading end 102, and then inserting the torsion bar 130 into the through holes in the disc 110 and connecting the ends of the torsion bar 130 with the connecting sleeves 120.
Step S40: the angle measuring structure 40 is mounted, the dial 410 is fixed to the ground 2 after the dial 410 and the beam member 1 are coaxially aligned, and the pointer 420 is mounted on the wheel disc 110.
Further, the step S40 further includes mounting the bracket 50 on the ground 2, and mounting the section steel 104 of the beam member 1 on the bracket 50 so that the beam member 1 does not deviate from the torsion plane when being twisted.
Step S50: the force application member 30 and the link 20 are installed, and the force application member 30 and the wheel disc 110 are connected by the link 20.
Further, the step S50 further includes installing a tension sensor 60 on the connector 20.
Step S60: the force application member 30 is started to twist the beam member 1, the magnitude of the load applied by the force application member 30 can be accurately read through the tension sensor 60, the force application member 30 applies proper load, and the load is amplified by utilizing the wheel axle principle under the cooperation of the wheel disc 110 and the torsion rod 130, so that the larger torque can be obtained by applying smaller load.
Step S70: the torsion angle of the beam member 1 is measured by the angle measuring structure 40, and the torsion angle can be read relatively intuitively and accurately by the dial 410.
In the embodiment of the application, the beam member torsion test method is applied to the beam member torsion test device, and the application of a small load can be realized through the axle principle, so that a large torque can be obtained, and the loading is labor-saving; the torsion angle of the beam member 1 is low in measurement difficulty and high in measurement accuracy.
In summary, implementing the beam member torsion test device and test method provided by the embodiment has at least the following beneficial technical effects:
the loading is convenient, the force application member 30 is a winch for providing power, and can be a double-wheel or single-wheel type, and the force application member is determined according to the required torque;
the applicability is wide, the wheel disc 110 is connected to the torsion end of the test beam, and the wheel disc is matched with the telescopic torsion rod 130 to be applicable to different section types;
the load is amplified by utilizing the wheel axle principle under the cooperation of the wheel disc 110 and the torsion bar 130, so that the effect that a larger torque can be obtained by applying a smaller load is achieved, and the loading is labor-saving;
the measuring precision is high, the torsion angle can be intuitively and accurately read by using the dial 410, the measuring difficulty of the torsion angle is reduced, and the measuring precision of the torsion angle is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A beam member torsion test apparatus for performing a torsion test on a beam member, the beam member torsion test apparatus comprising:
the clamping structure comprises a wheel disc, a plurality of connecting sleeves and a plurality of torsion bars, wherein the wheel disc is provided with a channel, a plurality of through holes communicated with the channel are sequentially formed in the wheel disc at intervals along the circumferential direction, one end part of the beam member can extend into the channel, the connecting sleeves are pre-buried on the end part of the beam member, the connecting sleeves are arranged corresponding to the through holes, the torsion bars are inserted into the channel, and one end of each torsion bar is connected with the connecting sleeve;
one end of the connecting piece is connected with the wheel disc;
the force application piece is provided with a force application end, the force application end is connected with one end of the connecting piece, which is far away from the wheel disc, and the force application piece can apply force to the wheel disc through the connecting piece so as to drive the beam member to twist; and
and an angle measurement structure for measuring a torsion angle of the beam member.
2. The beam member torsion test device according to claim 1, wherein the angle measurement structure comprises:
the dial is arranged on one side of the wheel disc along the axial direction of the beam member and fixed relative to the ground, the dial and the wheel disc are coaxially arranged, and an angle mark taking the axial line of the beam member as the center is arranged on the dial; and
and the pointer extends along the radial direction of the wheel disc and is connected with the wheel disc, and the pointer can rotate along with the wheel disc to point to different angle marks.
3. The beam member torsion testing apparatus according to claim 2, wherein the angle measuring structure further comprises a base mounted on the ground, the scale and the base being detachably connected together.
4. The beam member torsion testing apparatus according to claim 2, wherein the dial has a fan-shaped structure, at least a part of the dial protrudes from the wheel disc, and the angle mark is located at an edge portion of the dial protruding from the wheel disc.
5. The beam member torsion test device according to any one of claims 2 to 4, wherein at least an end of the beam member to which the wheel disc is attached is provided with a section steel along an axis, the beam member torsion test device further comprising a bracket provided with a torsion center limiting hole, the end of the section steel being rotatably mounted in the torsion center limiting hole.
6. The beam member torsion testing apparatus according to claim 5, wherein the bracket includes a column fixed on the ground and a telescopic member provided at a top of the column, the telescopic member being telescopic in a vertical direction, and the torsion center limiting hole is formed in the telescopic member.
7. The beam member torsion testing apparatus according to claim 1, wherein the torsion bar is a telescopic bar.
8. The beam member torsion test apparatus according to claim 1, wherein the urging member is a hoist and the connecting member is a wire rope.
9. The beam member torsion testing apparatus according to claim 8, further comprising a tension sensor, the connector comprising a first segment connected to the hoist and a second segment connected to the wheel disc, the tension sensor being connected between the first segment and the second segment.
10. A beam member torsion test method, characterized by being applied to the beam member torsion test apparatus according to any one of claims 1 to 9, comprising the steps of:
manufacturing a beam member, wherein two ends of the beam member are respectively a fixed end and a loading end, and profile steel and a connecting sleeve are embedded in the loading end;
the loading end passes through the channel of the wheel disc and then is respectively provided with a loading end and a fixed end;
the wheel disc and the loading end are connected together through a torsion rod;
installing an angle measuring structure;
the force application piece is installed and connected with the wheel disc through the connecting piece;
actuating the force applying member to twist the beam member;
the torsion angle of the beam member is measured by the angle measurement structure.
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| CN202310434386.6A CN116465760B (en) | 2023-04-21 | 2023-04-21 | Beam member torsion test device and torsion test method |
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| CN202310434386.6A CN116465760B (en) | 2023-04-21 | 2023-04-21 | Beam member torsion test device and torsion test method |
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| JP2000019088A (en) * | 1998-07-03 | 2000-01-21 | Japan Radio Co Ltd | Torsion stiffness-testing device |
| CN102401764A (en) * | 2011-11-17 | 2012-04-04 | 中国航空动力机械研究所 | Model loading device |
| CN213749324U (en) * | 2020-09-27 | 2021-07-20 | 辽宁科技大学 | Screwing pile test loading device |
| CN216978601U (en) * | 2022-03-22 | 2022-07-15 | 江西省交通科学研究院有限公司 | Loading device for concrete beam general test under composite loading action |
| CN115639086A (en) * | 2022-11-01 | 2023-01-24 | 山东农业大学 | Method for testing torsion performance of steel beam |
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2023
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| JP2000019088A (en) * | 1998-07-03 | 2000-01-21 | Japan Radio Co Ltd | Torsion stiffness-testing device |
| CN102401764A (en) * | 2011-11-17 | 2012-04-04 | 中国航空动力机械研究所 | Model loading device |
| CN213749324U (en) * | 2020-09-27 | 2021-07-20 | 辽宁科技大学 | Screwing pile test loading device |
| CN216978601U (en) * | 2022-03-22 | 2022-07-15 | 江西省交通科学研究院有限公司 | Loading device for concrete beam general test under composite loading action |
| CN115639086A (en) * | 2022-11-01 | 2023-01-24 | 山东农业大学 | Method for testing torsion performance of steel beam |
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