CN211235238U - Device for detecting bending tensile strength of concrete prism - Google Patents
Device for detecting bending tensile strength of concrete prism Download PDFInfo
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- CN211235238U CN211235238U CN201921920248.4U CN201921920248U CN211235238U CN 211235238 U CN211235238 U CN 211235238U CN 201921920248 U CN201921920248 U CN 201921920248U CN 211235238 U CN211235238 U CN 211235238U
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Abstract
The utility model relates to the technical field of concrete detection devices, in particular to a concrete prism bending tensile strength detection device, which comprises a press machine, wherein one side of the press machine is provided with a controller, the press machine is provided with a boat-shaped cushion block, the upper part of the boat-shaped cushion block is provided with two support frames, the support frames are provided with a horizontal detector, the outer sides of the support frames are respectively provided with a detection device, the detection device comprises an elastic component which is vertically arranged and a sensor for detecting the deformation of the elastic component, the sensor and the horizontal detector are respectively connected with the controller, a liftable adjusting rod is arranged between the boat-shaped cushion block and the press machine, the device is used for placing a concrete prism test piece, the automatic detection is realized, whether a stress surface is horizontal, and the position for placing the test piece can be accurately adjusted by lifting the adjusting rod, the precision of experimental data is improved, and the working efficiency of experimenters is improved.
Description
Technical Field
The utility model relates to a concrete detection device technical field especially relates to a prismatic anti bending tensile strength detection device of concrete.
Background
Concrete is one of the most important civil engineering materials in the present generation, has important mechanical properties after being hardened, and refers to the capability of the concrete for resisting stress such as compression, tension, bending, shearing and the like, according to the design specification JTG D40-2002 of the cement concrete pavement of the highway, the mechanical property of the concrete needs to be checked, the bending resistance tensile ultimate strength test of the concrete is an important test, the bending resistance tensile ultimate strength test of the concrete is used for detecting the construction quality of the concrete, in the case of compressive strength, a concrete prism having a cubic body of 100mm × 100mm × 100mm or 150mm × 150mm × 150mm is generally used as a test piece, in the detection process, reference standards are GB/T2611-1992 universal technical requirements of a tester, GB/T3722-1992 hydraulic pressure tester and T0551-2005 cement concrete specimen manufacturing and hardened cement concrete field sampling method.
Among the prior art, what commonly used bending resistance pulled experimental apparatus generally adopted is three minutes department two point loading and three point free bearing formula detection device, place the test piece and require the test piece must the geometric centering when detecting the platform, support and bearing surface and contact are steady, even, if the unevenness, should fill up flatly, in the experiment, the measurement personnel often judge to find by eye whether the concrete test piece is placed steadily, it is steady, if not steady, still need artifical the pad flatly, the gasket that the flat process of pad used also varies from person to person, this kind of mode not only work efficiency is low, also can not guarantee the accuracy of test piece, often can lead to the test piece to be in the eccentric state, influence measuring precision.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide a prismatic bending tensile strength detection device of concrete, its simple structure science, in the testing process, the position that can accurate regulation test piece was placed has improved the precision of experimental data.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a prismatic anti bending tensile strength detection device of concrete, includes the press, press one side is provided with the controller, the press be provided with ship type cushion, ship type cushion upper portion is provided with two support frames, the support frame is provided with the level detection appearance, the outside of support frame is provided with detection device respectively, detection device includes vertical elastomeric element who arranges and is used for detecting the sensor of elastomeric element deformation, the sensor with the level detection appearance respectively with the controller is connected, ship type cushion with be provided with height-adjustable between the press and adjust the pole.
Preferably, the boat-shaped cushion block and the press machine are fixed through a fixing block.
Preferably, the controller is connected with a liquid crystal display panel.
Preferably, the adjusting rod is provided with a stepping motor for lifting the adjusting rod, and the stepping motor is connected with the controller.
The utility model has the advantages that: a concrete prism bending tensile strength detection device comprises a press machine, a controller is arranged on one side of the press machine, a boat-shaped cushion block is arranged on the press machine, two support frames are arranged on the upper portion of the boat-shaped cushion block, a horizontal detector is arranged on each support frame, detection devices are respectively arranged on the outer sides of the support frames, each detection device comprises an elastic component and a sensor, the elastic components are vertically arranged, the sensors and the horizontal detectors are respectively connected with the controller, a lifting adjusting rod is arranged between each boat-shaped cushion block and the press machine, a concrete prism test piece is placed on the device, automatic detection is achieved, whether a stress surface is horizontal or not is achieved, the position where the test piece is placed can be accurately adjusted through lifting of the adjusting rod, and the precision of experimental data is improved, the working efficiency of the experimenters is improved.
Drawings
Fig. 1 is the structure schematic diagram of the device for detecting the bending tensile strength of the concrete prism of the utility model.
Fig. 2 is a side view of the device for detecting the bending tensile strength of the concrete prism of the present invention.
Description of reference numerals:
1-press 2-controller
3-boat-shaped gasket 4-support frame
5-level gauge 6-detection device
7-adjusting rod 8-fixed block
And 9-upper press plate.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the device for detecting bending tensile strength of a concrete prism of the present embodiment includes a press machine 1, a controller 2 is disposed on one side of the press machine 1, the controller 2 is programmable and has a preset program, and the controller 2 is connected to a liquid crystal panel; the other side of the press machine 1 is provided with two support frames 4 for placing concrete prism test pieces, the side parts of the support frames 4 are provided with horizontal detectors 5, the horizontal detectors 5 are used for detecting whether events placed on the support frames 4 are on the same horizontal line or not, the horizontal detectors 5 are connected with the controller 2, if the test pieces are not placed horizontally, a sound or light alarm is given out, and an upper pressing plate 9 is correspondingly arranged above the support frames 4; the lower part of support frame 4 is ship type gasket 3, ship type gasket 3 is fixed with press 1 through fixed block 8, be provided with liftable regulation pole 7 between 3 months presses 1 of ship type gasket, adjust the built-in step motor of pole 7, step motor control drive adjusts the lift of pole 7, the both sides subsection of two support frames 4 is provided with detection device 6, detection device 6 includes elastomeric element and is used for detecting the flexible sensor of elastomeric element and this sensor is connected with controller 2, after support frame 4 was placed to the test piece, give elastomeric element pressure, the elastomeric element atress compression, the sensor sends the elastic deformation detected value for controller 2, controller 2 gives step motor and gives the instruction, the drive adjusts the pole and goes up and down, it is even to make two detection device 6 atress, thereby ship type gasket 3 is steady even.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. Prismatic bending tensile strength detection device of concrete, its characterized in that: the automatic horizontal press comprises a press machine (1), wherein a controller (2) is arranged on one side of the press machine (1), a ship-shaped cushion block (3) is arranged on the press machine (1), two supporting frames (4) are arranged on the upper portion of the ship-shaped cushion block (3), a horizontal detector (5) is arranged on each supporting frame (4), and a detection device (6) is arranged on the outer side of each supporting frame (4)，The detection device (6) comprises an elastic component and a sensor, wherein the elastic component is vertically arranged, the sensor is used for detecting the deformation of the elastic component, and the sensor and the horizontal detection device are arrangedThe measuring instrument (5) is respectively connected with the controller (2), and an adjusting rod (7) with adjustable height is arranged between the ship-shaped cushion block (3) and the press machine (1).
2. The concrete prism bending tensile strength detection device according to claim 1, characterized in that: the boat-shaped cushion block (3) is fixed with the press machine (1) through a fixing block (8).
3. The concrete prism bending tensile strength detection device according to claim 1, characterized in that: the controller (2) is connected with a liquid crystal display panel.
4. The concrete prism bending tensile strength detection device according to claim 1, characterized in that: the adjusting rod (7) is provided with a stepping motor used for adjusting the lifting of the rod, and the stepping motor is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920248.4U CN211235238U (en) | 2019-11-08 | 2019-11-08 | Device for detecting bending tensile strength of concrete prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920248.4U CN211235238U (en) | 2019-11-08 | 2019-11-08 | Device for detecting bending tensile strength of concrete prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211235238U true CN211235238U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920248.4U Active CN211235238U (en) | 2019-11-08 | 2019-11-08 | Device for detecting bending tensile strength of concrete prism |
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| CN (1) | CN211235238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165610A (en) * | 2022-09-06 | 2022-10-11 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
-
2019
- 2019-11-08 CN CN201921920248.4U patent/CN211235238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165610A (en) * | 2022-09-06 | 2022-10-11 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
| CN115165610B (en) * | 2022-09-06 | 2022-12-06 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
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Address after: No.6, Gaoxin 2nd Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Jiaoke Group Co.,Ltd. Address before: 530007 No. 6 Gaoxin Road, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI TRANSPORTATION RESEARCH & CONSULTING Co.,Ltd. |