CN115493828A - Shear test loading device for transverse assembly connection structure - Google Patents
Shear test loading device for transverse assembly connection structure Download PDFInfo
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- CN115493828A CN115493828A CN202211218801.6A CN202211218801A CN115493828A CN 115493828 A CN115493828 A CN 115493828A CN 202211218801 A CN202211218801 A CN 202211218801A CN 115493828 A CN115493828 A CN 115493828A
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000003466 welding Methods 0.000 claims description 10
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention provides a shear test loading device for a transverse assembly connection structure, which comprises a top loading beam, a bottom foundation beam and an upright post, wherein pin shaft supports are respectively arranged between the top loading beam and the upright post, and between the bottom foundation beam and the upright post, the top loading beam, the bottom loading beam and the upright post are connected into a whole through the pin shaft supports, and a test piece of the transverse assembly connection structure is fixedly connected between the two upright posts through bolts. The invention relates to a loading device which can realize that two upright posts can generate deformation difference according to the stress direction through the rotation of a pin shaft support after the loading device is stressed, so that a transverse assembly connecting structure generates shearing deformation. The device can perform reciprocating loading according to different stress directions, meets the loading requirement of a pseudo-static test of the transverse assembling and connecting structure, and can be used for evaluating the anti-seismic performance of the transverse assembling and connecting structure.
Description
Technical Field
The invention relates to a loading device for testing the shearing performance of a transverse assembly connection structure, and belongs to the technical field of building structure earthquake resistance.
Background
In recent years, urbanization of China is continuously developed, the state calls for strategic targets of sustainable development to require that low carbon, energy saving, green, ecological and sustainable development of the building industry is realized, the national office hall issues guidance opinions on the development of the national office hall for the great force of the assembly type building, the research and development of innovation technologies of the assembly type structure are accelerated, the comprehensive performance of the assembly type building is improved, the assembly type structure is easy to damage at weak connection positions with high stress, the integral connection of the structure is not firm, the integral anti-seismic performance is reduced and the like, and therefore the improvement of the anti-seismic performance of the weak positions of the assembly type structure needs to be researched urgently. For example, an assembled combined shear wall has been widely applied to a structural system because of higher bearing capacity and deformation capacity, but the shear wall structure has larger bending deformation under the action of lateral force and vertical force, if a vertical joint is formed on the wall body, a vertical contact surface can generate relative shearing sliding deformation, and under heavy earthquake and super-large earthquake, the lateral stiffness and the bearing capacity of the structure can continuously decline and collapse.
Disclosure of Invention
The invention aims to provide a shear test loading device for a transverse assembling and connecting structure, which solves the technical problem that the transverse assembling and connecting structure can be loaded in a reciprocating shear test, so that relevant test data can be obtained for evaluating the anti-seismic performance of the structure.
In order to achieve the above object, the present invention adopts the following aspects.
The utility model provides a be used for horizontal assembly connection structure shear test loading device, includes top load beam, bottom foundation beam, stand and round pin axle support, its characterized in that set up round pin axle support respectively at the upper and lower both ends of stand, connect top load beam and bottom foundation beam respectively at the other end of round pin axle support.
The lower side of the top loading beam is provided with a plurality of circular grooves and elliptical grooves, and two ends of the top loading beam are respectively welded with the actuator connecting plates.
The upper side of the bottom foundation beam is provided with a plurality of circular grooves and elliptical grooves, and two ends of the bottom foundation beam are respectively welded with a foundation fixing beam with an anchor screw hole.
The stand divide into about two, both ends welding support end plate about respectively, sets up a plurality of test piece screw rod holes and screw rod supporting in the opposite face of coexistence post.
The pin shaft support comprises a pin shaft, a plurality of perforated arc plates and a support end plate.
The pin shaft support is connected with the top loading beam, the bottom foundation beam and the upright column through friction type high-strength bolts.
The actuator connecting plate is respectively provided with actuator screw holes matched with the actuator screws of different models.
The number of the circular grooves and the elliptical grooves at the top loading beam is respectively 10, and the space between the groove holes corresponds to the screw holes at the end plate of the support; the circular grooves and the elliptical grooves on the upper side of the bottom loading beam and the lower side of the top loading beam are arranged in the same way.
And anchor ground screw holes are formed in two ends of the foundation fixing beam and are matched with anchor ground bolts in diameter, and the distance between the anchor ground screw holes is consistent with that of the foundation channel.
The size of the circular groove is consistent with that of a screw hole at the end plate of the support; the minor face size of oval groove is unanimous with the screw hole diameter of support end plate department, and long limit size is 3 times of support end plate screw hole diameter.
The pin shaft support comprises 3 perforated arc plates and 2 support end plates; one of the support end plates is welded with 1 perforated arc plate, the welding position is positioned at the central line of two rows of bolts of the support end plate, the other support end plate is welded with 2 perforated arc plates, the welding position takes the central line of two rows of bolts of the support end plate as the center, and the distance of the thickness of one perforated arc plate is respectively moved to the left and the right; then the pin shaft penetrates through the perforated arc-shaped plates to be connected into a whole.
The section of the perforated arc-shaped plate is in the shape of an arc equilateral triangle, and holes are arranged at the centroid of the equilateral triangle to match with the diameter of the pin shaft.
The support end plate is respectively provided with two rows of screw holes which are matched with the screw diameter at equal intervals, and each row of screw holes is 4 in total.
And 4 rows of test piece screw holes are arranged in the horizontal direction, and are arranged at equal intervals along the length of the upright column in the vertical direction.
The invention has the beneficial effects.
The loading device for the shear test of the transverse assembling and connecting structure is a loading device which can realize reciprocating shear loading, is easy to disassemble and is suitable for test pieces of various specifications and sizes for the transverse assembling and connecting structure.
This be used for horizontal erection joint structure shear test loading device, the actuator connecting plate sets up respectively with the supporting screw rod hole of multiple model actuator screw rod, can select the actuator of different models to carry out the loading according to the concrete requirement of test piece.
This be used for horizontal assembly connection structure shear test loading device, top load beam and bottom load beam set up a plurality of circular groove, oval-shaped groove respectively, and the horizontal length accessible of test piece selects suitable slot hole to be used for fixed pin axle support to the distance of indirect two stands of regulation, in order to satisfy the test piece of different horizontal lengths to loading device's demand.
This be used for horizontal assembly connection structure shear test loading device, top load beam and bottom load beam set up a plurality of circular slot, oval groove respectively, and the round pin axle support bolt that will be fixed in bottom foundation beam oval groove department when dismantling the test piece loosens, alright remove the round pin axle support here to the interval of adjustment two stands, it is more convenient to make and dismantle the test piece.
This be used for horizontal assembly connecting structure shear test loading device sets up a plurality of equidistant test piece screw rod hole at coexistence post opposite face, can satisfy the vertical size of the horizontal assembly connecting structure of multiple specification, and the test piece also can set up a plurality of bolt fastening in stand to be used for strengthening boundary condition, guarantee the phenomenon of sliding not to appear.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a perspective view of a top load beam.
Fig. 3 is a perspective view of the pin support of the present invention.
Fig. 4 is a side view of the pin support of the present invention.
Fig. 5 is a schematic perspective view of a column of the present invention.
Fig. 6 is a perspective view of the bottom foundation beam of the present invention.
FIG. 7 is a simplified force analysis of the present invention.
Fig. 8 is a diagram of the initial use state of the present invention.
Fig. 9 is a diagram showing a use state of the present invention in which a thrust is applied.
Fig. 10 is a drawing showing the state of use of the present invention in which tension is applied.
The meaning of the individual reference symbols in the figures is: 1. a top load beam; 2. a bottom foundation beam; 3. a column; 4. a pin shaft support; 5. an actuator connecting plate; 6. a pin shaft; 7. an arc-shaped plate with holes; 8. a support end plate; 9. a foundation fixing beam; 10. an anchor ground screw hole; 11. a circular groove; 12. an elliptical slot; 13. and (5) testing piece screw holes.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1.
As shown in a schematic diagram of a three-dimensional structure shown in fig. 1, the invention relates to a device for loading a pseudo-static test of a transverse assembly connection structure, which comprises a top loading beam 1, a bottom foundation beam 2, an upright post 3 and a pin shaft support 4, wherein the upper end and the lower end of the upright post 3 are respectively provided with the pin shaft support 4, the other end of the pin shaft support 4 is respectively connected with the top loading beam 1 and the bottom foundation beam 2, and the pin shaft support 4 is connected with the top loading beam 1, the bottom foundation beam 2 and the upright post 3 by friction type high-strength bolts; with bottom foundation beam 1 through anchor bolt fastening on ground, the actuator acts on top load beam's actuator connecting plate 5, and after loading device received the effort of actuator, round pin axle support 4 took place to rotate, and the reciprocal quadrangle of coexistence post 3 difference according to the direction of force takes place to lead to the test piece to take place shear deformation.
Fig. 2 is a schematic view of the top loading beam of the present invention, two actuator connecting plates 5 are respectively welded at two ends of the top loading beam 1, three stiffening ribs are respectively arranged at the upper and lower sides of the welding part to increase the stability of the welding part, and holes of the actuator connecting plates 5 are respectively matched with screws of actuators of different models to realize that actuators of different models are selected to load the actuators according to the requirements of test pieces. The lower side of the top loading beam is provided with groove holes, the shapes of the groove holes are respectively a circular groove 11 and an oval groove 12, the arrangement and the distance of the groove holes correspond to the screw holes of the support end plate 8, the pin shaft support 4 can select a proper groove hole to fix according to the transverse size of a transverse assembly connection test piece, equidistant stiffening ribs are arranged among the groove holes, the stability of the top loading beam is improved, and the instability phenomenon is avoided.
Fig. 3 and 4 are schematic perspective views of the pin support of the present invention, wherein the pin support 4 comprises 3 perforated arc plates 7 and 2 support end plates 8; one of the support end plates 8 is welded with 1 perforated arc-shaped plate 7, the welding position is positioned at the central line of two rows of bolts of the support end plate 8, the other support end plate is welded with 2 perforated arc-shaped plates 8, and the welding position takes the central line of two rows of bolts of the support end plate (8) as the center and respectively moves the distance of the thickness of one perforated arc-shaped plate 7 to the left and the right; then the pin shafts 6 penetrate through the perforated arc-shaped plates 7 to be connected into a whole.
Fig. 5 is a schematic perspective view of the stand column of the present invention, wherein the stand column 3 is divided into two columns, i.e., a left column and a right column, the upper end and the lower end of the stand column are respectively welded with support end plates 8, 4 columns are arranged in the horizontal direction on the opposite surfaces of the two stand columns 3, and a plurality of test piece screw holes 13 are arranged in the vertical direction along the length of the stand column 3 at equal intervals to match with screws, so that the arrangement can meet the vertical dimension of the transverse assembling and connecting structure of various specifications, and the test piece can also be provided with a plurality of bolts to be fixed on the stand column to enhance the boundary condition and ensure that the sliding phenomenon does not occur; three stiffening ribs are respectively arranged on the left side and the right side of the welding part of the upright post 3 and the support end plate 8, and the stiffening ribs are arranged between screw holes at equal intervals to increase the stability of the structure.
FIG. 6 is a schematic perspective view of a bottom base beam of the present invention, wherein two ends of the bottom base beam 2 are provided with base fixing beams 9 having anchor screw holes 10, the pitch of the anchor screw holes 10 is consistent with that of a base channel, the lower side of the bottom base beam 2 is provided with a groove hole, the shapes of the groove hole are respectively a circular groove 11 and an oval groove 12, the arrangement and the pitch of the groove hole correspond to the screw hole of a support end plate 8, a pin support 4 can be selected to be fixed by selecting a proper groove hole according to the transverse size of a transverse assembling connection test piece, the pin support 4 fixed at the oval groove 12 of the bottom base beam 2 is loosened when the test piece is disassembled, the pin support 4 at the position can be moved, and the pitch of two upright columns 3 can be adjusted, so that the test piece can be disassembled more conveniently. And the stiffening ribs are arranged among the slot holes at equal intervals, so that the stability of the bottom loading beam is improved, and the instability phenomenon is avoided.
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A shear test loading device for a transverse assembly connection structure comprises a top loading beam (1), a bottom foundation beam (2), an upright post (3) and a pin shaft support (4), and is characterized in that the upper end and the lower end of the upright post (3) are respectively provided with the pin shaft support (4), and the other end of the pin shaft support (4) is respectively connected with the top loading beam (1) and the bottom foundation beam (2);
a plurality of circular grooves (11) and elliptical grooves (12) are formed in the lower side of the top loading beam (1), and two ends of the top loading beam are respectively welded with an actuator connecting plate (5);
a plurality of circular grooves (11) and elliptical grooves (12) are arranged on the upper side of the bottom foundation beam (2), and foundation fixing beams (9) with anchor ground screw holes (10) are welded at the two ends of the bottom foundation beam respectively;
the upright columns (3) are divided into a left upright column and a right upright column, support end plates (8) are welded at the upper end and the lower end of each upright column respectively, and a plurality of test piece screw holes (13) are formed in the opposite surfaces of the two upright columns (3) and matched with screws;
the pin shaft support (4) comprises a pin shaft (6), a plurality of perforated arc-shaped plates (7) and a support end plate (8).
2. The transverse assembly joint structure shear test loading device of claim 1, wherein: the pin shaft support (4) is connected with the top loading beam (1), the bottom foundation beam (2) and the upright post (3) through friction type high-strength bolts.
3. The transverse assembly joint structure shear test loading device of claim 1, wherein: the actuator connecting plate (5) is respectively provided with actuator screw holes matched with actuator screws of different models.
4. The transverse assembling connecting structure shear test loading device according to claim 1, wherein: the number of the circular grooves (11) and the elliptical grooves (12) at the top loading beam (1) is respectively 10, and the space between the groove holes corresponds to the screw hole at the end plate (8) of the support; the upper side of the bottom loading beam (2) is consistent with the arrangement of the circular groove (11) and the elliptical groove (12) at the lower side of the top loading beam (1).
5. The transverse assembly joint structure shear test loading device of claim 1, wherein: and anchor ground screw holes (10) are formed in two ends of the foundation fixing beam (9) and are matched with anchor ground bolts in diameter, and the distance between the anchor ground screw holes (10) is consistent with that of the foundation channel.
6. The transverse assembling connecting structure shear test loading device of claim 1, wherein: the size of the circular groove (11) is consistent with that of a screw hole at the end plate (8) of the support; the short side of the oval groove (12) is consistent with the diameter of a screw hole at the end plate (8) of the support, and the long side of the oval groove is 3 times of the diameter of the screw hole of the end plate (8) of the support.
7. The transverse assembling connecting structure shear test loading device according to claim 1, wherein: the pin shaft support (4) comprises 3 perforated arc-shaped plates (7) and 2 support end plates (8); one support end plate (8) is welded with 1 perforated arc plate (7), the welding position is positioned at the central line of two rows of bolts of the support end plate (8), the other support end plate is welded with 2 perforated arc plates (8), the welding position takes the central line of two rows of bolts of the support end plate (8) as the center, and the distance of the thickness of one perforated arc plate (7) is respectively moved to the left and the right; then the pin shaft (6) penetrates through the perforated arc-shaped plates (7) to be connected into a whole.
8. The transverse assembly joint structure shear test loading device of claim 1, wherein: the section shape of the perforated arc-shaped plate (7) is an equilateral triangle with one of the corners set as an arc, and the centroid of the equilateral triangle is provided with a hole matched with the diameter of the pin shaft (6).
9. The transverse assembly joint structure shear test loading device of claim 1, wherein: the support end plate (8) is respectively provided with two rows of screw holes which are arranged at equal intervals and matched with the diameters of the screws, and each row of screw holes is 4 in total.
10. The transverse assembling connecting structure shear test loading device according to claim 1, wherein: the test piece screw holes (13) are arranged in 4 rows in the horizontal direction, and are arranged at equal intervals along the length of the upright column (3) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218801.6A CN115493828A (en) | 2022-10-07 | 2022-10-07 | Shear test loading device for transverse assembly connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218801.6A CN115493828A (en) | 2022-10-07 | 2022-10-07 | Shear test loading device for transverse assembly connection structure |
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| CN115493828A true CN115493828A (en) | 2022-12-20 |
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| CN202211218801.6A Pending CN115493828A (en) | 2022-10-07 | 2022-10-07 | Shear test loading device for transverse assembly connection structure |
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Citations (6)
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| CN103033418A (en) * | 2012-12-10 | 2013-04-10 | 中国飞机强度研究所 | Test device capable of evenly applying axial compression load and shearing load |
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| CN208458958U (en) * | 2018-03-22 | 2019-02-01 | 天津航天瑞莱科技有限公司 | A kind of vibration experiment of aircraft aileron actuator |
| CN109406300A (en) * | 2018-12-17 | 2019-03-01 | 大连理工大学 | A kind of experimental rig of achievable small span-depth ratio coupling beam pure shear load |
| CN210603852U (en) * | 2019-09-26 | 2020-05-22 | 长安大学 | Full-assembly type steel structure reaction frame |
-
2022
- 2022-10-07 CN CN202211218801.6A patent/CN115493828A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033418A (en) * | 2012-12-10 | 2013-04-10 | 中国飞机强度研究所 | Test device capable of evenly applying axial compression load and shearing load |
| CN205483540U (en) * | 2016-03-21 | 2016-08-17 | 武汉科技大学 | Test manomelia shear force wall links device of girder segment point shock resistance and atress nature |
| CN208458958U (en) * | 2018-03-22 | 2019-02-01 | 天津航天瑞莱科技有限公司 | A kind of vibration experiment of aircraft aileron actuator |
| CN109100210A (en) * | 2018-07-12 | 2018-12-28 | 同济大学 | A kind of multifunction structure plate test loading system for taking into account load tonnage and loading accuracy |
| CN109406300A (en) * | 2018-12-17 | 2019-03-01 | 大连理工大学 | A kind of experimental rig of achievable small span-depth ratio coupling beam pure shear load |
| CN210603852U (en) * | 2019-09-26 | 2020-05-22 | 长安大学 | Full-assembly type steel structure reaction frame |
Non-Patent Citations (1)
| Title |
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| 李天骄: "钢连梁震后可更换性能及抗震性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑 (月刊)》, no. 03, 15 March 2022 (2022-03-15), pages 038 - 1383 * |
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