CN217359419U - Antiskid device capable of being used for civil engineering construction and research loading assistive device - Google Patents
Antiskid device capable of being used for civil engineering construction and research loading assistive device Download PDFInfo
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- CN217359419U CN217359419U CN202123134154.4U CN202123134154U CN217359419U CN 217359419 U CN217359419 U CN 217359419U CN 202123134154 U CN202123134154 U CN 202123134154U CN 217359419 U CN217359419 U CN 217359419U
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Abstract
The utility model discloses an antiskid that can be used to civil engineering structure to grind loading assistive device relates to civil engineering test technical field. The utility model discloses a reaction wall, first actuator fixed connection is on the reaction wall right flank, first actuator is kept away from reaction wall one end and is passed left shear plate and connect in girder steel one end, left side shear plate right side wall fixedly connected with reaction frame main beam. The utility model discloses an utilize the cooperation between four-bar linkage structure, first steel sheet, second steel sheet, third steel sheet, screw, nut, the first base, can prevent that the connecting rod from sliding on girder steel or counter-force frame main beam, offset the moment of flexure that first actuator produced the test piece, the utility model discloses the commonality is strong, and simple structure improves the utilization ratio of most colleges and universities equipment, saves the equipment maintenance expense, and application prospect is wide.
Description
Technical Field
The utility model belongs to the technical field of civil engineering is experimental, especially, relate to an antiskid that can be used to civil engineering structure and research loading assistive device.
Background
At present, a civil engineering structure loading system and a conventional engineering structure compression shear loading test are adopted, and the most conventional and most effective loading method is a research type. Under the action of horizontal load, the deformation of the double-limb shear wall system and the stress deformation of the connecting beam are realized; the shear wall is subjected to axial force shearing force and bending moment, so that the shear wall is subjected to bending deformation; in a high-rise building, because wall limbs at two ends of the connecting beam are compressed unevenly, the connecting beam can generate internal force; the rigidity of the shear wall is far greater than that of the connecting beam, so that the connecting beam connected with the shear wall rotates due to the deformation of the shear wall, the connecting beam generates a restraining bending moment under the interaction of the wall limbs and the connecting beam, the span of the shear beam is kept unchanged, the two ends of the beam generate bending moments with equal magnitude and opposite directions, and a recurve point is positioned at a midspan position; the building and research type loading mode is firstly proposed in Japan and applied to the anti-seismic performance test research, is mostly applied to the pseudo-static test of reinforced concrete frame columns and wood structure frames, and is now a common loading mode in the developed countries in the nation and the west; the construction and research type loading mode is similar to the actual stress state and boundary condition of the structure, and the L-shaped steel beam has the advantages of high rigidity, simple structure, low manufacturing cost, high durability, convenience in later maintenance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an antiskid that can be used to civil engineering structure to build and grind loading assistive device solves current equipment and can slide on girder steel or counter-force frame main beam face when the load is great, causes the problem that experimental data damaged.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an antiskid that can be used to civil engineering structure and study loading assistive device, including counter-force wall, first actuator fixed connection is on the counter-force wall right flank, the one end that first actuator keeps away from the counter-force wall passes left shear resisting plate and connects in girder steel one end, left shear resisting plate right side wall fixedly connected with counter-force frame main beam, counter-force frame main beam upper surface is equipped with a plurality of through-holes, the through-hole runs through counter-force frame main beam, counter-force frame main beam upper surface is equipped with a plurality of screws, the screw passes counter-force frame main beam through the through-hole, counter-force frame main beam keeps away from left shear resisting plate one side fixedly connected with right shear resisting plate; the lower surface of the main beam of the counterforce frame is provided with a plurality of first steel plates, the lower surfaces of the first steel plates are provided with first bases, the lower surface of each first base is provided with a second steel plate, the screw penetrates through the first steel plates, the first bases and the second steel plates, one end of the screw penetrating through the second steel plates is connected with a nut, the screw and the nut are matched with each other, and a through hole is formed in the second steel plate; the lower surface of the first base is fixedly connected with a first fixing block, the first fixing block penetrates through the second steel plate through a through hole, and one end, far away from the second steel plate, of the first fixing block is connected with a first connecting rod; the upper surface of the steel beam is provided with a plurality of third steel plates, the third steel plates are penetrated by a plurality of screws, the screws penetrate through the third steel plates and are embedded into the steel beam, the upper surface of each third steel plate is connected with a second fixed block, one side, far away from the third steel plates, of each second fixed block is connected with a second connecting rod, the second connecting rods are connected with the first connecting rods, a third connecting rod is connected between the connecting positions of the two first connecting rods and the second connecting rods, and the third connecting rods, the second connecting rods and the first connecting rods are matched with each other; the lower surface of the steel beam is connected with a test piece; a second actuator is connected between the main cross beam of the counterforce frame and the steel beam; the steel beam is of an L-shaped rod-shaped structure; a four-connecting-rod structure is formed among the third connecting rod, the second connecting rod and the first connecting rod; the first actuator is horizontally arranged and provides a force in the horizontal direction; the second actuator is vertically arranged and provides a force in the vertical direction; first steel sheet quantity equals with third steel sheet quantity, second actuator and girder steel sliding fit.
The device can realize a large-scale test of pure shearing and can complete a bending test; by utilizing the matching among the first steel plate, the screw, the nut, the first base, the second steel plate and the third steel plate, when the first actuator acts, the first base can be stably fixed between the first steel plate and the second steel plate, and the connecting rod is prevented from sliding on the L-shaped steel beam or the main cross beam of the counter-force frame, so that the great error of experimental data and the damage of a mechanism are caused; the first connecting rod, the second connecting rod and the third connecting rod are matched, so that bending moment of the first actuator on the test piece can be offset, and the test has higher accuracy and safety.
The utility model discloses following beneficial effect has:
the utility model discloses an utilize the cooperation between four-bar linkage structure, first steel sheet, second steel sheet, third steel sheet, screw, nut, the first base, can prevent that the connecting rod from sliding on girder steel or counter-force frame main beam, offset the moment of flexure that first actuator produced the test piece, the utility model discloses the commonality is strong, and simple structure improves the utilization ratio of most colleges and universities equipment, saves the equipment maintenance expense, and application prospect is wide.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view at A1a2 in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a screw; 101. a nut; 2. a right shear plate; 201. a left shear plate; 3. a counterforce frame main beam; 301. a first steel plate; 302. a first base; 303. a second steel plate; 304. a first fixed block; 306. a third steel plate; 4. a counterforce wall; 5. a first actuator; 6. a steel beam; 7. a first link; 8. a second link; 9. a third link; 10. a second fixed block; 11. a test piece; 12. and a second actuator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, the utility model relates to an antiskid device that can be used for civil engineering structure to build and study loading assistive device, including the counterforce wall 4, the first actuator 5 is fixedly connected to the counterforce wall 4 right flank, the first actuator 5 is kept away from the counterforce wall 4 one end and is passed left shear plate 201 and connect in girder steel 6 one end, the left shear plate 201 right flank wall is fixedly connected with counterforce frame main beam 3, counterforce frame main beam 3 upper surface is equipped with a plurality of through-holes, the through-hole runs through counterforce frame main beam 3, counterforce frame main beam 3 upper surface is equipped with a plurality of screws 1, screw 1 passes counterforce frame main beam 3 through the through-hole, counterforce frame main beam 3 keeps away from left shear plate 201 one side fixedly connected with right shear plate 2; the lower surface of the main beam 3 of the counterforce frame is provided with a plurality of first steel plates 301, the lower surfaces of the first steel plates 301 are provided with first bases 302, the lower surface of the first bases 302 is provided with second steel plates 303, a screw 1 penetrates through the first steel plates 301, the first bases 302 and the second steel plates 303, one end of the screw 1 penetrating through the second steel plates 303 is connected with a nut 101, the screw 1 and the nut 101 are mutually matched, and a through hole is formed in the second steel plates 303; a first fixing block 304 is fixedly connected to the lower surface of the first base 302, the first fixing block 304 penetrates through the second steel plate 303 through a through hole, and one end, far away from the second steel plate 303, of the first fixing block 304 is connected with a first connecting rod 7; the upper surface of the steel beam 6 is provided with a plurality of third steel plates 306, the plurality of third steel plates 306 are penetrated by a plurality of screws 1, the screws 1 penetrate through the third steel plates 306 and are embedded into the steel beam 6, the upper surface of the third steel plates 306 is connected with a second fixing block 10, one side, far away from the third steel plates 306, of the second fixing block 10 is connected with a second connecting rod 8, the second connecting rod 8 is connected with a first connecting rod 7, a third connecting rod 9 is connected between the connecting positions of the two first connecting rods 7 and the second connecting rod 8, and the third connecting rod 9, the second connecting rod 8 and the first connecting rods 7 are matched with each other; the lower surface of the steel beam 6 is connected with a test piece 11; a second actuator 12 is connected between the main beam 3 of the counterforce frame and the steel beam 6; the steel beam 6 is in an L-shaped rod-shaped structure; a four-bar linkage structure is formed among the third connecting bar 9, the second connecting bar 8 and the first connecting bar 7; the first actuator 5 is horizontally arranged and provides a force in the horizontal direction; the second actuator 12 is vertically disposed to provide a force in a vertical direction; the number of the first steel plates 301 is equal to that of the third steel plates 306, and the second actuators 12 are in sliding fit with the steel beams 6.
The device has the advantages that the second actuators 12 which are vertically arranged are used for simulating gravity load, the first actuators 5 which are horizontally arranged are used for simulating shearing force, the two actuators are used for loading the test piece 11 at the same time, and the device not only can realize a large-scale test of pure shearing, but also can complete a bending test; by means of the matching among the first steel plate 301, the screw 1, the nut 101, the first base 302, the second steel plate 303 and the third steel plate 306, when the first actuator 5 acts, the first base 302 can be stably fixed between the first steel plate 301 and the second steel plate 303, and the connecting rod is prevented from sliding on the L-shaped steel beam 6 or the reaction frame main beam 3, so that great errors of experimental data and damage to a mechanism are caused; by means of the matching among the first connecting rod 7, the second connecting rod 8 and the third connecting rod 9, bending moment of the first actuator 5 on the test piece 11 can be offset, and the test has higher accuracy and safety.
When the device is used, the first actuator 5 and the second actuator 12 are started according to the experiment requirement, the shearing force and the gravity load are simulated respectively, the first actuator 5 and the second actuator 12 simultaneously load the test piece 11 to realize a pure shearing test, when the first actuator 5 is started, the test piece 11 deforms, the loading point of the test piece 11 moves in the horizontal direction and the vertical direction, in order to ensure that the test piece 11 always bears the pure shearing force, the bending moment generated by the first actuator 5 on the test piece 11 is counteracted by a four-link structure consisting of the first link 7, the second link 8 and the third link 9, at the moment, the first fixing block 304 and the second fixing block 10 have the sliding tendency, the second fixing block 10 is firmly fixed on the lower surface of the main cross beam 3 of the counter-force frame by the first steel plate 301, the second steel plate 303, the screw 1 and the nut 101, the second fixing block 10 is fixed on the upper surface of the steel beam 6 by the third steel plate 306 and the screw 1, preventing slippage.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An antiskid device for building and research loading assistive devices in civil engineering construction, comprising a counterforce wall (4) and a first actuator (5), wherein the first actuator (5) is fixedly connected to the right side surface of the counterforce wall (4), and is characterized in that: one end, far away from the reaction wall (4), of the first actuator (5) penetrates through the left shear resisting plate (201) and is connected to one end of the steel beam (6), the right side wall of the left shear resisting plate (201) is fixedly connected with a reaction frame main cross beam (3), the upper surface of the reaction frame main cross beam (3) is provided with a plurality of through holes, the through holes penetrate through the reaction frame main cross beam (3), the upper surface of the reaction frame main cross beam (3) is provided with a plurality of screws (1), the screws (1) penetrate through the reaction frame main cross beam (3) through the through holes, and one side, far away from the left shear resisting plate (201), of the reaction frame main cross beam (3) is fixedly connected with the right shear resisting plate (2); the lower surface of the main beam (3) of the counterforce frame is provided with a plurality of first steel plates (301), the lower surfaces of the first steel plates (301) are respectively provided with a first base (302), the lower surface of the first base (302) is provided with a second steel plate (303), the screw (1) penetrates through the first steel plate (301), the first base (302) and the second steel plate (303), one end, penetrating through the second steel plate (303), of the screw (1) is connected with a nut (101), the screw (1) and the nut (101) are matched with each other, and a through hole is formed in the second steel plate (303); a first fixing block (304) is fixedly connected to the lower surface of the first base (302), the first fixing block (304) penetrates through the second steel plate (303) through a through hole, and one end, far away from the second steel plate (303), of the first fixing block (304) is connected with a first connecting rod (7); the upper surface of the steel beam (6) is provided with a plurality of third steel plates (306), the plurality of third steel plates (306) are penetrated by a plurality of screws (1), the screws (1) penetrate through the third steel plates (306) to be embedded into the steel beam (6), the upper surface of each third steel plate (306) is connected with a second fixing block (10), one side, far away from the third steel plates (306), of each second fixing block (10) is connected with a second connecting rod (8), each second connecting rod (8) is connected with one first connecting rod (7), a third connecting rod (9) is connected between the connecting positions of the two first connecting rods (7) and the second connecting rods (8), and the third connecting rods (9), the second connecting rods (8) and the first connecting rods (7) are matched with one another; the lower surface of the steel beam (6) is connected with a test piece (11); and a second actuator (12) is connected between the main beam (3) and the steel beam (6) of the reaction frame.
2. An anti-skid device usable in civil engineering works building research loading aids, according to claim 1, characterized in that: the steel beam (6) is of an L-shaped rod-shaped structure.
3. An anti-skid device usable in civil engineering works building research loading aids, according to claim 1, characterized in that: and a four-connecting-rod structure is formed among the third connecting rod (9), the second connecting rod (8) and the first connecting rod (7).
4. An anti-skid device usable in civil engineering works building research loading aids, according to claim 1, characterized in that: the first actuator (5) is horizontally arranged.
5. An anti-skid device usable in civil engineering works building research loading aids, according to claim 1, characterized in that: the second actuator (12) is vertically arranged.
6. An anti-skid device usable in civil engineering works building research loading aids, according to claim 1, characterized in that: the number of the first steel plates (301) is equal to that of the third steel plates (306), and the second actuators (12) are in sliding fit with the steel beams (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134154.4U CN217359419U (en) | 2021-12-14 | 2021-12-14 | Antiskid device capable of being used for civil engineering construction and research loading assistive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134154.4U CN217359419U (en) | 2021-12-14 | 2021-12-14 | Antiskid device capable of being used for civil engineering construction and research loading assistive device |
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| Publication Number | Publication Date |
|---|---|
| CN217359419U true CN217359419U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123134154.4U Active CN217359419U (en) | 2021-12-14 | 2021-12-14 | Antiskid device capable of being used for civil engineering construction and research loading assistive device |
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| Country | Link |
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| CN (1) | CN217359419U (en) |
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2021
- 2021-12-14 CN CN202123134154.4U patent/CN217359419U/en active Active
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