CN204789193U - Horizontal device of component post antidetonation experiment - Google Patents
Horizontal device of component post antidetonation experiment Download PDFInfo
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- CN204789193U CN204789193U CN201520463599.2U CN201520463599U CN204789193U CN 204789193 U CN204789193 U CN 204789193U CN 201520463599 U CN201520463599 U CN 201520463599U CN 204789193 U CN204789193 U CN 204789193U
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- China
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- flange bracket
- ball pivot
- screw rod
- test
- flange support
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a horizontal device of component post antidetonation experiment, the device include flange support and two sets of pull rod of three parallels, and every group pull rod is four. The flange support link to each other fixedly through four isometric pull rods, the flange support link to each other fixedly through four isometric pull rods. Fixed jack passes through transmission shaft power in the middle of the flange support to make whole device be in the atress from balanced state. The middle part of component post is connected through adjustable connector keysets and MTS actuator. The utility model has the advantages of: use the ball pivot to make the easily fixed adverse effect who brings by test piece machining error that reduces of test piece, the bias voltage of avoiding traditional dull and stereotyped hinge probably to produce, simple structure, convenient operation accounts for experimental space less and requires low test device to testing equipment.
Description
Technical field
Under the utility model relates to a kind of lasting Structure Under Axial Compression, beam, post component, by the simulation test device of curved scissors effect, are particularly useful for the occasion of steel core concrete column by low cycling loads test under lasting shaft pressuring load, belong to field of civil engineering.
Background technology
Concrete filled steel tube, as a kind of new composite structure, has given full play to steel construction and thus concrete respective mechanical characteristic is widely applied.China is earthquake-prone countries, and earthquake brings huge loss to China every year, and therefore the research of concrete filled steel tube antidetonation seems extremely important.And the limitation that traditional vertical test unit has it certain.One is in traditional vertical structure post seismic testing, and every root test specimen has to be needed to build a rectangular parallelepiped bearing, and when test specimen is more, workload is huge, and test specimen makes complicated, and test operation is inconvenient.Two is in traditional vertical structure post seismic testing, higher to the requirement of laboratory equipment, must have counter force wall, firmly geosyncline must be had to carry out anchoring.May not possess above-mentioned test condition in some laboratory, and above-mentioned experimental provision makes difficulty, expensive, be not easy to make at short notice.
Summary of the invention
The purpose of this utility model is to solve the existing vertical test unit problem high to experimental facilities requirement, traditional horizontal test device is improved, provide a kind of structure simple, easy to operate, account for the test unit that test space is low to testing equipment requirement less.
The technical solution of the utility model is: a kind of component column seismic testing horizontal type device, comprises three pieces of parallel flange brackets and two groups of pull bars, often organizes four, pull bar.Described flange bracket is fixedly connected by four isometric pull bars, force self-balanced frame system in forming.Be welded with a vertical backing plate bottom described flange bracket, backing plate upper shed, make whole device be fixed on flooring by ground anchor bolt.The flange bracket center in left side is welded with the hold-down support end of a ball pivot, is connected with test component by the movable end of ball pivot; The movable end of described ball pivot has a projection circular shape latch by the middle of test component side, and have the circular groove of a corresponding size in the middle of the cover plate of test component, the movable part of ball pivot is closely connected by this latch with test component.Its middle weldering one smooth sleeve pipe and screw rod of middle flange bracket, the inner of screw rod is welded with the stiff end of ball pivot, and screw rod has nut, and rotating nut can make ball pivot seat rotate, and reaches the object of pretension test component.The middle fixing lifting jack of flange bracket that is middle and right side by sleeve pipe and screw rod transmitter shaft power, and makes whole device be in small axial dimension state.Fixture is fixed on the middle part of experimental member by being connected with MTS actuator with adjustable card extender.
The utility model has the advantage of: structure is simple, easy to operate, reduces the adverse effect brought by test specimen mismachining tolerance, accounts for the test unit that test space is low to testing equipment requirement less.
Accompanying drawing explanation
Fig. 1 is the utility model component column seismic testing horizontal type device structural representation;
Fig. 2 a is the spherical hinge structure schematic diagram of the utility model component column seismic testing horizontal type device;
Fig. 2 b is the ball pivot side view of the utility model component column seismic testing horizontal type device;
Fig. 3 a is the front elevation of the utility model component column seismic testing horizontal type device;
Fig. 3 b is the side view of the utility model component column seismic testing horizontal type device;
Fig. 4 a is the front elevation of the flange bracket of the utility model component column seismic testing horizontal type device;
Fig. 4 b is the side view of the flange bracket of the utility model component column seismic testing horizontal type device;
Fig. 4 c is the rear view of the flange bracket of the utility model component column seismic testing horizontal type device;
Fig. 5 a is the front elevation of the flange bracket 3 of the utility model component column seismic testing horizontal type device;
Fig. 5 b is the side view of the flange bracket 3 of the utility model component column seismic testing horizontal type device.
In figure
1 flange bracket, 2 flange brackets, 3 flange brackets, 4 pull bars, 5 pull bars, 6 ball pivots, 7 sleeve pipes and screw rod, 8 anchor holes, 9 lifting jack, 10 fixtures, 11 adjustable card extenders, 12MTS actuator.
Embodiment
Below in conjunction with Figure of description, further specific descriptions are done to technical scheme of the present invention:
The low cycling loads test unit of structural column, comprise three pieces of flange brackets 1,2,3, two groups of pull bars 4,5, by fixing test specimen 13 to ball pivot 6, by being fixed on the middle lifting jack 9 of flange bracket 2,3 to adjustment screw rod applied thrust, reach effect test specimen 13 being applied to axle power.Draw thin pull bar by change-over panel to be connected with fixture 10, fixture is closely fixed on test specimen by bolt.
Fig. 2 a, Fig. 2 b are respectively side and the front schematic view of ball hinged support, and in two sub-sections, bearing part, and movable part, seat part is divided into a spherical concave surface to ball pivot 6, and movable part is a sphere.There is the latch of a circle in the middle of the movable part back side, be connected with test specimen by test specimen two end cover plate interstitial hole.
Fig. 3 a, Fig. 3 b are respectively front and the side schematic view of flange bracket 1, and the base containing ball pivot in the middle of the front of flange bracket 1, there is the connecting hole of 4 cylinder lever connecting rods 4 four angular direction in front.
Fig. 4 a, Fig. 4 b, Fig. 4 c are side, front and the schematic rear view of flange bracket 2, the front schematic view of flange bracket 2 and the similar of flange bracket 1, there is smooth sleeve pipe centre but leaves the onesize hole of sleeve pipe, the cavity of pull bar is left at 4 angles, and there is the hole leaving joint flange support 2,3 pull bar in 4 directions.Flange bracket 2 viewed from the back side, is all welded with reinforcement between its reserved hole, can improves overall intensity.
Fig. 5 a, Fig. 5 b are front and the side schematic view of flange bracket 3, and this plate simple structure, only leaves the hole of 4 pull bar steady braces.
In tested, the first oil return of lifting jack, is changed the position of spill hinged-support, puts into test specimen from the side, then move sleeve pipe, the ball pivot on both sides and test specimen are just in time coincide by twisting nut, carry out pretension and fix test specimen.Assembling fixture again, makes fixture and test specimen combine closely, and fixture and MTS actuator are connected.
When test specimen and device connect, refuel to lifting jack, now test specimen is subject to the predetermined shaft power that nut transmission comes.Operate MTS actuator on request after case, apply to move in circles load by the load mechanism of regulation.
Finally, it is also to be noted that component column of the present invention comprises reinforced column and steel core concrete column.Above example is only a typical example, and also have many distortion, all distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
The present invention is the device that a kind of model configuration post carries out low cycling loads test under axial compression condition.Comprise parallel flange bracket, pull bar, ball pivot, sleeve and screw rod, adjusting rotation fishplate bar, connect the fixture of MTS actuator.
Described flange bracket is large by two pieces, one piece little.Two pieces of large flange brackets and pull bar form similar traditional Horizontal axle laminated structure device.The flange bracket of one piece little is same with the flange bracket of middle reinforcement to be connected by pull bar.Middle placement lifting jack, forms axle force loading device.
The framed structure being made up of interior stress balance two pieces of large flange brackets and pull bar described in this device, all be welded with one vertical with flange bracket bottom its flange bracket, flat board parallel to the ground, this flat board leaves mounting groove, facilitate geosyncline anchoring, the position of whole device can be fixed like this.
Ball pivot described in this device is made up of a fixing ball hinged support and a movable spherical hinge.Movable ball pivot and test specimen surface of contact are a plane, and there is the projecting pin of a circle centre, and test specimen cover plate central is processed with an onesize pilot hole, forms a latch structure, is connected with component.
Middle reinforcing flange support described in this device is middle a circular cavity, is placed with a circle, the sleeve pipe of undersized and screw rod in the middle of cavity.Screw rod is welded with ball hinged support at placement test specimen end, and screw rod, at placement lifting jack end in contact lifting jack, makes lifting jack apply axle power by sleeve pipe to test specimen.
The adjustment screw rod that this device rotates and concave surface ball pivot seat can regulate the horizontal level of concave surface ball pivot seat by the nut rotation be installed on screw rod, realize pretension and fix test specimen.
The fixture of the centre described in this device, is connected by the bolt on four angles by upper and lower two cover plates.Two cover plates centres can be placed with square or circular cushion block and corresponding test specimen is fixed.
Fixture described in this device is connected with MTS actuator with card extender by bolt.Change grip to adjust the position to fixture after the installation of MTS actuator.
The low cycling loads test of structural column described in this experiment under certain axial compression, by the screw rod transmitter shaft power in the lifting jack pushing sleeve pipe of side to test specimen, is connected with MTS actuator with adjustable card extender by fixture, applies Cyclic Loading to test specimen.
Claims (1)
1. a component column seismic testing horizontal type device, it is characterized in that, comprise three pieces of parallel flange brackets (1,2,3) and two groups of pull bars (4,5), often organize four, pull bar, flange bracket (1,2) and pull bar (4) form one in force self-balanced frame system, described flange bracket (1, 2) be fixedly connected by four isometric pull bars (4), described flange bracket (2, 3) be fixedly connected by four isometric pull bars (5), flange bracket (2, 3) and pull bar (5) composition one in force self-balanced frame system, described flange bracket (1, 2) bottom is welded with a vertical backing plate, backing plate upper shed (8), whole device is made to be fixed on flooring by ground anchor bolt, described flange bracket (1) center is welded with the hold-down support end of a ball pivot (6), be connected with test component by the movable end of ball pivot (6), the movable end of described ball pivot (6) its by having a projection circular shape latch in the middle of test component side, the circular groove of a corresponding size is had in the middle of the cover plate of test component, the movable part of ball pivot (6) is closely connected by this latch with test component, there are a smooth sleeve pipe and screw rod (7) in its centre of described flange bracket (2), the inner of screw rod is welded with the stiff end of ball pivot (6), screw rod there is nut, rotating nut can make ball pivot seat rotate, flange bracket (2, 3) in the middle of, fixing lifting jack (9) is by the screw rod transmitter shaft power in sleeve pipe, fixture (10) is fixed on the middle part of experimental member by being connected with MTS actuator with adjustable card extender (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463599.2U CN204789193U (en) | 2015-07-02 | 2015-07-02 | Horizontal device of component post antidetonation experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463599.2U CN204789193U (en) | 2015-07-02 | 2015-07-02 | Horizontal device of component post antidetonation experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204789193U true CN204789193U (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463599.2U Expired - Fee Related CN204789193U (en) | 2015-07-02 | 2015-07-02 | Horizontal device of component post antidetonation experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204789193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931368A (en) * | 2015-07-02 | 2015-09-23 | 华东交通大学 | Horizontal apparatus for component post seismic test |
| CN109959606A (en) * | 2019-04-29 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | The device of on-site test gunite concrete and country rock bonding strength test |
-
2015
- 2015-07-02 CN CN201520463599.2U patent/CN204789193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931368A (en) * | 2015-07-02 | 2015-09-23 | 华东交通大学 | Horizontal apparatus for component post seismic test |
| CN109959606A (en) * | 2019-04-29 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | The device of on-site test gunite concrete and country rock bonding strength test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |