CN207540913U - A kind of low all Cyclic test devices of concrete component - Google Patents
A kind of low all Cyclic test devices of concrete component Download PDFInfo
- Publication number
- CN207540913U CN207540913U CN201721685737.7U CN201721685737U CN207540913U CN 207540913 U CN207540913 U CN 207540913U CN 201721685737 U CN201721685737 U CN 201721685737U CN 207540913 U CN207540913 U CN 207540913U
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- screw rod
- distribution beam
- pedestal
- low
- concrete sample
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Abstract
The utility model discloses a kind of low all Cyclic test devices of concrete component, the device includes concrete sample, fixture, pedestal, pedestal is lined under the both ends of concrete examination, the both sides of pedestal are equipped with rigid mount, distribution beam on the centre of concrete sample, the centre of concrete sample has lower part steel disc, and distribution beam is connect with lower part steel disc by the second screw rod, and the first anchorage is equipped between distribution beam, concrete sample, lower part steel disc.The utility model has the advantage of:The low all Cyclic test devices of this concrete sample use more convenient, without complicated operation, in loading procedure, fixture, distribution beam are connect as part entirety with superstructure, pedestal, rigid mount are connect as part entirety with earth anchor, so as to maintain the out-of-plane stability of concrete sample, avoid laterally toppling, improve the safety of experiment.
Description
Technical field
The utility model is related to be applied to the anti-seismic performance research of laboratory's beam, belong to field of civil engineering, especially one
The low all Cyclic test devices of kind concrete component.
Background technology
Reinforced concrete structure and prestressed reinforced concrete construction are usually primarily subjected to action of static load, but have in Practical Project
Many structures, such as bridge or crane girder etc. other than bearing action of static load, still suffer from repetitive cycling load action, with
These structures are applied increasingly extensive, and many structures are under high-stress state and work so that the fatigue of concrete structure becomes
The problem of very important.
Invention content
The purpose of this utility model is to provide a kind of low all Cyclic test devices of concrete component, which passes through steel plate
Between welding combination binding force transmissions enable our concrete sample and loading device to be combined together completion low
All Cyclic tests.
The technical solution of the utility model is:A kind of low all Cyclic test devices of concrete component, the device include coagulation
Native test specimen, fixture, pedestal, pedestal is lined under the both ends of concrete sample, and the both sides of pedestal are equipped with rigid mount, concrete sample
Centre be equipped with distribution beam, the centre of concrete sample has lower part steel disc, and distribution beam passes through the second spiral shell with lower part steel disc
Bar connects, and the both ends of the second screw rod are equipped with the first anchor bolt, and fixture includes bolt, the first screw rod, steel plate;In the steel plate lower part
Meta position is installed there are one T-shaped hole hole, and distribution beam passes through T-shaped hole hole, and the is equipped between distribution beam, concrete sample, lower part steel disc
One anchorage.
The fixture includes bolt, the first screw rod, steel plate;The steel plate lower middle position is set there are one T-shaped hole hole, is used
Distribution beam in connection lower part, the second screw rod end for stretching out steel plate both sides are equipped with 8 the first anchor bolts to improve entire fixture
Fastness, the distribution beam are connect with lower part steel disc with 8 second screw rods, between distribution beam, lower part steel disc and concrete sample
Two the first anchorages of cylinder are respectively provided with, first anchorage is arranged on three branch position of concrete sample, the rigid mount
It is connect between rigid mount with the second anchorage, two rigid mounts can be fixedly connected with by rotating clockwise hex bolts, described
Pedestal is made of rectangular steel plates, and pedestal lower part is connect with earth anchor, and pedestal top is with each rigid mount respectively with 4 third anchors
Bolt rivets.
The rigid mount include a cross combined steel plate, two square steel discs, a hex bolts, one the
Three screw rods, the cross combined steel plate both ends are combined with square steel disc, the welding of third screw rod, are set outside the third screw rod
There is screw thread, be fastenedly connected between the third screw rod and third screw rod using the second anchorage.
The fixture top is equipped with bolt and the first screw rod, and the fixture top is equipped with half-via, for being connect with bolt,
Rotate clockwise bolt can Fixed latches and fixture, rotating latch counterclockwise can be dismantled, and screw rod inside fixture with using
It is welded to connect, during loading, MTS(Fatigue tester)Fixture upper screw will be clamped and carry out low all Cyclic tests.
The distribution beam lower end and lower part steel disc both sides are respectively provided with 4 through-holes, using the between the through-hole and through-hole
Two screw rods and the combination connection of the second anchor bolt, rigid mount lower part steel disc corner location is provided with circular hole, for being inserted into the 4th spiral shell
Bar rotates clockwise third anchor bolt, rigid mount can be made to be fixed on pedestal.
The screw rod is high-strength Screw arbor with nut at both-ends.
The utility model has the advantage of:The low all Cyclic test devices of this concrete sample using more convenient, without
Complicated operation, in loading procedure, fixture, distribution beam are connect as part entirety with superstructure, and pedestal, rigid mount are made
It is connect for part entirety with earth anchor, so as to maintain the out-of-plane stability of concrete sample, avoids laterally toppling, improve experiment
Safety.
Description of the drawings
Fig. 1 is the overall structure diagram of the low all Cyclic test devices of concrete sample;
Fig. 2 is the combining structure schematic diagram of I-beam and lower part steel disc;
Fig. 3 is the part-structure schematic diagram of fixture;
Fig. 4 is the combining structure schematic diagram of pedestal and rigid mount;
Fig. 5 is the composite structure sectional view of pedestal and rigid mount;
Fig. 6 is the structure diagram of the second anchorage.
In figure:1- concrete samples, 2- fixtures, 3- pedestals, 4- rigid mounts;5- bolts, the first screw rods of 6-, 7- steel plates,
8-T shape holes, 9- distribution beams, the first anchor bolts of 10-, 11- lower parts steel disc, the second screw rods of 12-, the first anchorages of 13-, the second anchors of 14-
Tool, 15- hex bolts, 16- rectangular steel plates, 17- third anchor bolts, 18- cross combined steel plates, 19- square steel discs, 20- the
Three screw rods, 21- through-holes, the second anchor bolts of 22-, 23- circular holes, the 4th screw rods of 24-.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment, the utility model is described in further detail.
The utility model is that a kind of structure design is simple, easy to operate and will not be to influencing existing rig for testing after dismantling
Other functions use, the low all Cyclic test devices of the good concrete sample of practicability.
It is mainly made of the part such as concrete sample, fixture, pedestal, rigid mount.The fixture includes bolt, first
Screw rod, steel plate, the steel plate lower middle position are set there are one T-shaped hole hole, and for connecting the distribution beam of lower part, steel plate both sides are set
There are 8 the first anchor bolts to improve the fastness of entire fixture, the distribution beam is connect with lower part steel disc with 8 second screw rods, point
With two the first anchorages of cylinder are respectively provided between beam, lower part steel disc and concrete sample, first anchorage is arranged on coagulation
Native three branch position of test specimen is connected with the second anchorage between the rigid mount and rigid mount, rotates clockwise hex bolts
Two rigid mounts can be fixedly connected with, the rigid mount includes a cross combined steel plate, two square steel discs, one
A hex bolts, a third screw rod, after the rectangular steel plates welding combination, both ends are welded again with square steel disc, third screw rod
Combination is connect, screw thread is equipped with outside the screw rod, is fixedly connected between the third screw rod and third screw rod using the second anchorage, institute
It states pedestal to be made of rectangular steel plates, lower part is connect with earth anchor, and top is with each rigid mount respectively with 4 third anchor bolt rivetings
It connects.
Further, the first screw rod, the second screw rod, third screw rod, the 4th screw rod are high-strength to be used in prestress engineering
Screw arbor with nut at both-ends.
Further, as shown in figure 4, the rigid mount and pedestal of connection concrete both sides include cross and combine steel
Plate, square steel disc, hex bolts, third screw rod, the second anchorage, rectangular steel plates, in preferred case study on implementation, rigid mount
Each section of pedestal is made of high-strength steel of the same race, and cross combined steel plate both ends are welded with square steel disc, third screw rod
Combination combines connection between third screw rod and third screw rod using the riveting of the second anchorage.
Further, rigid mount lower part steel disc corner location is provided with circular hole, for being inserted into the 4th screw rod, clockwise
Third anchor bolt is rotated, rigid mount can be made to be fixed on pedestal.Distribution beam lower end both sides and its underpart steel disc both sides are all opened
There is circular hole, for being inserted into the second screw rod, rotate clockwise third anchor bolt, distribution beam, concrete sample and lower part steel can be made
Piece is fixedly connected.
Further, before concrete sample is loaded, assembling clamp, distribution beam, lower part steel disc and rigidity branch
Seat and pedestal, the method that the connection between each section is combined using welding and riveting, in loading procedure, fixture, distribution beam
It is connect as part entirety with superstructure, pedestal, rigid mount are connect as part entirety with earth anchor, so as to maintain concrete
The out-of-plane stability of test specimen avoids laterally toppling, improves the safety of experiment.
Further, the assembled process of the utility model is that pedestal and earth anchor are fixedly connected on the ground, will distribute
Beam top is inserted into the T-shaped hole of fixture, then the second screw rod is penetrated distribution beam and lower part steel disc hole location, at three points of beam
Point position is put into the first anchorage of cylinder, third anchor bolt is tightened clockwise, finally by the 4th screw rod inserted base and rigid mount
Preformed hole in, tighten third anchor bolt clockwise, the assembly of finishing device starts the first screw rod of MTS occlusion fixtures top, completes
Load applies.
Some typical implementations the foregoing is merely the utility model not thereby limit to the right model of the present invention
It encloses, all equivalent structure variations made with the utility model specification and accompanying drawing content, is both contained in the power of the utility model
Within the scope of profit.
Claims (6)
1. a kind of low all Cyclic test devices of concrete component, it is characterised in that:The device includes concrete sample(1), fixture
(2), pedestal(3);Concrete sample(1)Both ends under be lined with pedestal(3), pedestal(3)Both sides be equipped with rigid mount(4), mix
Solidifying soil test specimen(1)Centre be equipped with distribution beam(9), concrete sample(1)Centre have lower part steel disc(11), distribution beam
(9)With lower part steel disc(11)Pass through the second screw rod(12)Connection, the second screw rod(12)Both ends be equipped with the first anchor bolt(10), folder
Tool(2)Including bolt(5), the first screw rod(6), steel plate(7), the steel plate lower middle position set there are one T-shaped hole hole(8),
Distribution beam(9)Across T-shaped hole hole(8), distribution beam(9), concrete sample(1), lower steel plate(11)Between be equipped with the first anchorage
(13).
2. the low all Cyclic test devices of concrete component according to claim 1, it is characterised in that:The distribution beam and lower part
Steel disc(11)With 8 second screw rods(12)Connection, distribution beam(9), lower part steel disc(11)Two are respectively provided between concrete sample
A the first anchorage of cylinder(13), first anchorage is arranged on three branch position of concrete sample, the rigid mount with just
With the second anchorage between property bearing(14)Connection, rotates clockwise hex bolts(15)Two rigid mounts are fixedly connected with, it is described
Pedestal uses rectangular steel plates(16)It is made, lower part is connect with earth anchor, and top is with each rigid mount respectively with 4 third anchor bolts
(17)Riveting.
3. the low all Cyclic test devices of concrete component according to claim 1, it is characterised in that:The rigid mount includes
One cross combined steel plate(18), two square steel discs(19), hex bolts, a third screw rod(20);It is described
Cross combined steel plate both ends are combined with square steel disc, the welding of third screw rod, and screw thread is equipped with outside the third screw rod, described
The second anchorage is used between third screw rod and third screw rod(14)It is fastenedly connected.
4. the low all Cyclic test devices of concrete component according to claim 1, it is characterised in that:The fixture top is equipped with
Bolt and the first screw rod, the fixture top be equipped with half-via, for being connect with bolt, rotate clockwise bolt Fixed latches with
Fixture, rotating latch counterclockwise are dismantled, and using being welded to connect inside screw rod and fixture, during loading, MTS will clamp fixture
Upper screw carries out low all Cyclic tests.
5. the low all Cyclic test devices of concrete component according to claim 1, it is characterised in that:The distribution beam lower end with
And lower steel plate both sides are respectively provided with 4 through-holes(21), the second screw rod and the second anchor bolt are used between the through-hole and through-hole
(22)Combination connection, rigid mount lower part steel disc corner location are provided with circular hole(23), for being inserted into the 4th screw rod(24), up time
Needle rotates third anchor bolt, and rigid mount is made to be fixed on pedestal.
6. according to the low all Cyclic test devices of the concrete component of claim 1,2,3,4 or 5, it is characterised in that:The spiral shell
Bar is high-strength Screw arbor with nut at both-ends.
Priority Applications (1)
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CN201721685737.7U CN207540913U (en) | 2017-12-07 | 2017-12-07 | A kind of low all Cyclic test devices of concrete component |
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CN201721685737.7U CN207540913U (en) | 2017-12-07 | 2017-12-07 | A kind of low all Cyclic test devices of concrete component |
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CN201721685737.7U Expired - Fee Related CN207540913U (en) | 2017-12-07 | 2017-12-07 | A kind of low all Cyclic test devices of concrete component |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109060554A (en) * | 2018-08-23 | 2018-12-21 | 深圳大学 | A kind of test device of Reinforced Concrete Model beam anti-bending strength |
CN109765106A (en) * | 2019-01-08 | 2019-05-17 | 上海航天精密机械研究所 | Three-dimensional loading system and method applied to cylindrical product |
CN110398429A (en) * | 2019-06-24 | 2019-11-01 | 武汉大学 | A kind of concrete filled steel tube Experimental Study on Seismic Behavior device and test method considering that work progress influences |
-
2017
- 2017-12-07 CN CN201721685737.7U patent/CN207540913U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109060554A (en) * | 2018-08-23 | 2018-12-21 | 深圳大学 | A kind of test device of Reinforced Concrete Model beam anti-bending strength |
CN109060554B (en) * | 2018-08-23 | 2023-11-14 | 深圳大学 | Testing device for bending resistance of reinforced concrete model beam |
CN109765106A (en) * | 2019-01-08 | 2019-05-17 | 上海航天精密机械研究所 | Three-dimensional loading system and method applied to cylindrical product |
CN110398429A (en) * | 2019-06-24 | 2019-11-01 | 武汉大学 | A kind of concrete filled steel tube Experimental Study on Seismic Behavior device and test method considering that work progress influences |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20181207 |