CN207300674U - A kind of high-strength concrete test specimen pressure forming apparatus - Google Patents
A kind of high-strength concrete test specimen pressure forming apparatus Download PDFInfo
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- CN207300674U CN207300674U CN201720499946.6U CN201720499946U CN207300674U CN 207300674 U CN207300674 U CN 207300674U CN 201720499946 U CN201720499946 U CN 201720499946U CN 207300674 U CN207300674 U CN 207300674U
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- steel
- sole plate
- actuator
- forming apparatus
- triangular lattice
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Abstract
The utility model discloses a kind of high-strength concrete test specimen pressure forming apparatus, it is related to building materials test field, including self-balancing reaction frame, pressurizing jack and the concrete being located inside self-balancing reaction frame hold mould, the self-balancing reaction frame includes triangular lattice formula truss, steel sole plate and steel pipe, the steel sole plate is located at the bottom of triangular lattice formula truss, and the steel pipe is located at the both sides of steel sole plate and for connecting triangular lattice formula truss and steel sole plate；The pressurizing jack includes fueller and the actuator being connected by fuel feed pump with fueller, the fueller is located at outside self-balancing reaction frame, the actuator is fixedly connected on triangular lattice formula truss bottom, the concrete, which holds mould, to be included by steel annulus, the steel annulus is fixed on steel sole plate, below jack actuator.The utility model increases the compactness of concrete test test block, reduces internal void, further improves High Strength Concrete Under Compressive Cyclic Loading intensity and durability.
Description
Technical field
The present invention relates to building materials test field, more particularly to prepare the pressure forming apparatus of high-strength concrete test block.
Background technology
As social economy, technology develop, high level, Super High, long span building structure are more and more, and the structure that transfinites is to building
The requirement that material property proposes higher is built, researcher it is also proposed a variety of high-strength, high performance building materials, and in actual work
Cheng Zhongyou is necessarily applied.
Concrete strength influence factor is more, wherein maintenance link and measure are most important, American researcher studies hair
Existing Reactive Powder Concrete (RPC) is continuously applied using materials such as high-mark cement, high intensity quartz sands before maintenance initial set
50MPa pressure can greatly improve its compression strength, its principle is to increase material compactness by pressure to reduce internal void.
In order to play and study the compressive ultimate strength of high-strength concrete as far as possible, it is necessary to develop a kind of pressure forming dress
Put, easily apply setting pressure to concrete before initial set and be convenient for shake table vibration at the same time, increase compactness to greatest extent
With reduce hole, and then research material intensity and the limiting value of durability.
After studying material limits intensity can by develop for high-strength concrete prefabricated component pressure into
Type device, by small and big, is applied to Practical Project by pressure molding technique.
Utility model content
Problem to be solved in the utility model is to provide a kind of the closely knit of pressure forming apparatus increase concrete test test block
Degree, reduces internal void, further improves the characteristics such as High Strength Concrete Under Compressive Cyclic Loading intensity and durability, be expected to press on this basis
Power forming technique is applied to Practical Project to mitigate dead load, improves structural life-time.For this reason, existing, the following technical solutions are proposed：
A kind of high-strength concrete test specimen pressure forming apparatus, including self-balancing reaction frame, pressurizing jack and be located at from
Concrete inside balance reaction frame holds mould, the self-balancing reaction frame include triangular lattice formula truss, steel sole plate with
And more steel pipes, the steel sole plate are located at the bottom of triangular lattice formula truss, the steel pipe be located at the both sides of steel sole plate and
For being fixedly connected with triangular lattice formula truss and steel sole plate；The pressurizing jack include fueller and by fuel feed pump with
The actuator of fueller connection, the fueller are located at outside self-balancing reaction frame, and the actuator is fixedly connected on triangle
Shape lattice truss bottom, the concrete hold the steel annulus that mould includes being fixed on steel sole plate, and steel annulus is located at
Below jack actuator.
Further improvement of these options, the actuator end are equipped with a pressure sensor, and the fueller is also
Including oil sources, static resistance deformeter and pressurized handgrip, oil sources is connected to actuator by fuel feed pump, and pressure sensor is connected to
Static resistance deformeter.
Further improvement of these options, the pressure sensor are fixed by snap on the outside of actuator.
Further improvement of these options, the steel pipe quantity are no less than four, the triangular lattice formula truss top
Portion is equipped with one handle.
Further improvement of these options, material used in the steel annulus and steel sole plate for PM-35 breathe freely steel and
The part that the steel sole plate is located at steel annulus bottom is equipped with stomata.
Further improvement of these options, the pressure forming apparatus are placed on a shake table.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model applies pressure by jack actuator to the concrete in concrete container, makes it
Predetermined stress is kept during maintenance, increases concrete density.Jack is connected by fuel feed pump with peripheral hardware fueller, is supplied
Oil pipe may insure that device can be in actuator free vibration on a vibration table.Steel pipe, triangular lattice formula truss and steel bottom
These three part-structures of plate are joined together to form loading-counter-force system of a self-balancing, and steel pipe transmits jack counter-force extremely
Bottom plate and pressure balance, form a stable structure, make whole device stress balance, and jack actuator pressure passes through
Pressure sensor measures and adjusts the briquetting pressure of container inner concrete, is allowed to be maintained at reasonable level, strengthens concrete sample
Compression strength.
(2) the utility model applies precompression, while be placed in shake table equivalent to before concrete strength is formed to it
Upper vibration, pressure can effectively reduce inside concrete hole with vibration collective effect, increase concrete density, improve coagulation
The mechanical property such as native intensity and durability, can be by handle, by self-balancing reaction frame and dress concrete mold after pressurization maintenance
Separate, easily dismantle mould, take out sample and carry out follow-up maintenance flow.
Brief description of the drawings
A kind of Fig. 1 structure diagrams of high-strength concrete test specimen pressure forming apparatus described in the utility model.
Reference numeral：Handle -1；Triangular lattice formula truss -2；High-strength bolt -3；Steel pipe -4；Pressure sensor -5；
Jack actuator -6；Stir evenly concrete -7；Steel annulus -8；Steel sole plate -9；Stomata -10；Fuel feed pump -11；Pressurize hand
Handle -12；Jack oil sources -13；Static resistance deformeter -14；Shake table -15.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
A kind of high-strength concrete test specimen pressure forming apparatus as shown in Figure 1, including self-balancing reaction frame, pressurization are very heavy
Push up and be located at the concrete inside self-balancing reaction frame and hold mould, the self-balancing reaction frame includes triangular lattice formula purlin
Frame 2, steel sole plate 9 and quantity are no less than the steel pipe 4 of four, and the steel sole plate 9 is located at the bottom of triangular lattice formula truss 2,
The steel pipe 4 is located at the corner of steel sole plate and is used to connect triangular lattice formula truss 2 and steel sole plate by high-strength bolt 3
9；The pressurizing jack includes fueller and the actuator 6 being connected by fuel feed pump 11 with fueller, the fuel feeding dress
It is set in outside self-balancing reaction frame, the actuator 6 is fixedly connected on 2 bottom of triangular lattice formula truss, and the concrete is contained
Putting mould includes being fixed on steel sole plate 9 by steel annulus 8, the steel annulus 8, positioned at the lower section of jack actuator 6.This reality
Pressure is applied to the concrete seven stirred evenly in concrete container by jack actuator 6 with new, is supporting it
Predetermined stress is kept during shield, increase stirs evenly concrete seven compactness.Jack passes through fuel feed pump 11 and peripheral hardware fueller
Connection, fuel feed pump 11 may insure that device can be in the free vibration on shake table 15 of actuator 6.Steel pipe 4, triangular lattice formula
Truss 2 and these three part-structures of steel sole plate 9 be joined together to form by high-strength bolt 3 loading of a self-balancing-
Counter-force system, steel pipe 4 transmit jack counter-force to steel sole plate 9 and pressure balance, form a stable structure, make entirely to fill
Put stress balance.
In the present embodiment, it is fixed by snap on the outside of 6 end of actuator to have a pressure sensor 5, the fuel feeding
Device further includes oil sources 13, static resistance deformeter 14 and pressurized handgrip 12, and oil sources 13 is connected to actuator by fuel feed pump 11
6, pressure sensor 5 is connected to static resistance deformeter 14.The pressure sensor 5 is used for sensing jack pressure, and passes through
The static resistance deformeter 14 being attached thereto shows pressure value, is adjusted for jack pressure and provides parameter, static resistance strain
Instrument 14 includes single channel wheatstone bridge and liquid crystal display, for measuring 5 pressure value of pressure sensor and in liquid crystal display
Upper display, jack oil sources 13 is 6 fuel feeding of actuator by fuel feed pump 11, and according to 5 indicating value of pressure sensor, uses pressurization
Handle 12 adjusts pressure, it is ensured that jack pressure maintains expected level.
In the present embodiment, 4 quantity of steel pipe is no less than four, and the top of triangular lattice formula truss 2 is equipped with one
Handle 1.To ensure stable structure, 4 quantity of steel pipe undertakes jack counter-force no less than 4 and with enough bearing capacities, passes through hand
Self-balancing reaction frame and dress concrete are held mould and separated by handle 1.
In the present embodiment, the material used in the steel annulus 8 and steel sole plate 9 is breathed freely steel and the steel bottom for PM-35
The part that plate 9 is located at 8 bottom of steel annulus is equipped with stomata 10.After being conducive to concrete compression using ventilative steel, in internal void
Gas is discharged under pressure and effect of vibration from component side, effectively improves the compactness of concrete, and stomata 10 takes off for test block
The hole of inflating of air gun is demoulded during mould.
In the present embodiment, the pressure forming apparatus is located on a shake table 15.
The utility model applies precompression, while be placed in shake table 15 equivalent to before concrete strength is formed to it
Upper vibration, pressure can effectively reduce with vibration collective effect and stir evenly concrete seven internal void, increase concrete compaction
Degree, improves the mechanical property such as concrete strength and durability, after pressurization maintenance can by handle 1, by self-balancing reaction frame and
Dress concrete mold separates, and easily dismantles mould, takes out sample and carries out follow-up maintenance flow.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Change, the modification of embodiment will all fall in the right of the utility model.
Claims (6)
- A kind of 1. high-strength concrete test specimen pressure forming apparatus, it is characterised in that：Including self-balancing reaction frame, pressurizing jack with And the concrete being located inside self-balancing reaction frame holds mould, the self-balancing reaction frame include triangular lattice formula truss, Steel sole plate and more steel pipes, the steel sole plate are located at the bottom of triangular lattice formula truss, and the steel pipe is located at steel sole plate Both sides and for being fixedly connected with triangular lattice formula truss and steel sole plate；The pressurizing jack includes fueller and passes through The actuator that fuel feed pump is connected with fueller, the fueller are located at outside self-balancing reaction frame, and the actuator, which is fixed, to be connected Triangular lattice formula truss bottom is connected on, the concrete holds the steel annulus that mould includes being fixed on steel sole plate, described Steel annulus is located at below jack actuator.
- A kind of 2. high-strength concrete test specimen pressure forming apparatus according to claim 1, it is characterised in that：The actuator End is equipped with a pressure sensor, and the fueller further includes oil sources, static resistance deformeter and pressurized handgrip, and oil sources passes through Fuel feed pump is connected to actuator, and pressure sensor is connected to static resistance deformeter.
- A kind of 3. high-strength concrete test specimen pressure forming apparatus according to claim 2, it is characterised in that：The pressure passes Sensor is fixed by snap on the outside of actuator.
- A kind of 4. high-strength concrete test specimen pressure forming apparatus according to claim 1, it is characterised in that：The steel pipe number Amount is no less than four, and one handle is equipped with the top of the triangular lattice formula truss.
- A kind of 5. high-strength concrete test specimen pressure forming apparatus according to claim 1, it is characterised in that：The steel circle Material used in ring and steel sole plate for PM-35 breathes freely steel and the steel sole plate is located at the part of steel annulus bottom and is equipped with stomata.
- 6. according to a kind of high-strength concrete test specimen pressure forming apparatus of claim 1-5 any one of them, it is characterised in that：Institute Pressure forming apparatus is stated to be placed on a shake table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499946.6U CN207300674U (en) | 2017-05-08 | 2017-05-08 | A kind of high-strength concrete test specimen pressure forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499946.6U CN207300674U (en) | 2017-05-08 | 2017-05-08 | A kind of high-strength concrete test specimen pressure forming apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207300674U true CN207300674U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720499946.6U Expired - Fee Related CN207300674U (en) | 2017-05-08 | 2017-05-08 | A kind of high-strength concrete test specimen pressure forming apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918489A (en) * | 2017-05-08 | 2017-07-04 | 温州大学 | A kind of high-strength concrete pressure forming apparatus and its application method |
| CN111220466A (en) * | 2019-11-28 | 2020-06-02 | 河南牛帕力学工程研究院 | Road compressive strength detection device and detection method |
-
2017
- 2017-05-08 CN CN201720499946.6U patent/CN207300674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918489A (en) * | 2017-05-08 | 2017-07-04 | 温州大学 | A kind of high-strength concrete pressure forming apparatus and its application method |
| CN111220466A (en) * | 2019-11-28 | 2020-06-02 | 河南牛帕力学工程研究院 | Road compressive strength detection device and detection method |
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| GR01 | Patent grant | ||
| 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: 20180501 Termination date: 20190508 |