CN220136852U - Splitting tensile testing device for ultra-high-strength ultra-high-toughness concrete - Google Patents
Splitting tensile testing device for ultra-high-strength ultra-high-toughness concrete Download PDFInfo
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- CN220136852U CN220136852U CN202321424780.3U CN202321424780U CN220136852U CN 220136852 U CN220136852 U CN 220136852U CN 202321424780 U CN202321424780 U CN 202321424780U CN 220136852 U CN220136852 U CN 220136852U
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- 239000004567 concrete Substances 0.000 title claims abstract description 48
- 238000009864 tensile test Methods 0.000 title claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 description 7
- 239000011295 pitch Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of testing devices, in particular to an ultrahigh-strength ultrahigh-toughness concrete splitting tensile testing device which comprises a mounting bracket, wherein a bottom plate is fixedly connected to one side of the mounting bracket, a guide rod is fixedly connected to one side of the bottom plate, and an upper pressing plate is slidingly connected to one side of the guide rod. The utility model has the advantages that: when the split tensile test operation of concrete needs to be carried out, move the device to working position to install the installing support through the mounting hole, place the concrete piece on the bottom plate afterwards, and fix it through threaded fastener, then open the motor through the controller and make it drive the lead screw and rotate, can drive the protection casing downward movement through screw drive, until after the bottom plate is hugged closely to the protection casing can, later squeeze the detection to the concrete piece through the filler strip on top board and the backplate, can prevent through the protection casing that the concrete piece that bursts apart from splashing everywhere in the testing process, the security is higher.
Description
Technical Field
The utility model relates to the technical field of testing devices, in particular to an ultra-high-strength ultra-high-toughness concrete splitting tensile testing device.
Background
The splitting tensile strength of the concrete is an important performance index of the concrete, and the axial tensile strength of the concrete can be obtained through splitting tests. When the splitting test is carried out, a filler strip is added between the upper and lower supporting surfaces of the concrete test piece of the cube or the cylinder and the pressing plate of the pressing machine, the pressing machine is started to enable the test piece to form corresponding strip-shaped loading up and down, splitting damage of the test piece along the diameter section of the cube center or the cylinder is caused, and the axial tensile strength of the concrete can be obtained by converting the force value during splitting.
According to the concrete splitting tensile strength test device disclosed by the utility model, the fixing frames are arranged on the two sides of the bearing plate, the bolt holes are formed in the fixing frames, the bolt holes are matched with the adjusting bolts, and the concrete test blocks of different types can be conveniently fixed by adjusting the lengths of the adjusting bolts.
The split tensile strength test device has the following defects in actual use: when the splitting tensile strength test operation is carried out on the ultra-high-strength and ultra-high-toughness concrete, the packing strip is required to be used for extruding the concrete blocks, the situation that the high-strength concrete possibly breaks in the extrusion process can occur, the broken concrete blocks can splash everywhere, and the potential safety hazard is large, so that the ultra-high-strength and ultra-high-toughness concrete splitting tensile test device is required to solve the problems.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a splitting tensile testing device for ultra-high strength and ultra-high toughness concrete, so as to solve the problems mentioned in the background art and overcome the defects existing in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides an ultra-high strength ultra-high toughness concrete splitting tensile testing device, which comprises a mounting bracket, wherein one side of the mounting bracket is fixedly connected with a bottom plate, one side of the bottom plate is fixedly connected with a guide rod, one side of the guide rod is slidably connected with an upper pressing plate, one side of the bottom plate is provided with a protection member, the protection member comprises a motor, the output end of the motor is fixedly connected with a screw rod, one side of the screw rod is in threaded connection with a lifting plate, and one side of the lifting plate is fixedly connected with a protection cover.
By any of the above schemes, preferably, one side of the mounting bracket is provided with two mounting holes, and the two mounting holes are symmetrically distributed on one side of the mounting bracket. One side fixedly connected with curb plate of bottom plate, one side threaded connection of curb plate has threaded fastener, one side equal threaded connection of bottom plate and top board has the bolt, one side rotation of bolt is connected with the filler strip, adopts the technical effect that above-mentioned scheme can reach to be: when the splitting tensile test operation of concrete needs to be carried out, the device is firstly required to be moved to a working position, the mounting bracket is mounted through the mounting hole, then the concrete block is placed on the bottom plate and fixed through the threaded fastener, and the filler strip can be conveniently replaced through the arrangement of the bolt.
By any of the above schemes, preferably, a controller is fixedly connected to one side of the mounting bracket, the controller is electrically connected to the motor, and the base of the motor is fixedly connected to the bottom plate. Threaded holes are formed in one side of the lifting plate, and the thread pitches of the threaded holes are matched with the thread pitches of the screw rods. One side fixedly connected with spacing post of bottom plate, one side fixedly connected with roof of spacing post, spacing post and lifter plate sliding connection adopt the technical effect that above-mentioned scheme can reach to be: then the motor is started through the controller to drive the screw rod to rotate, the protective cover can be driven to move downwards through screw transmission until the protective cover is tightly attached to the bottom plate, then the concrete blocks are extruded and detected through the upper pressing plate and the filler strip on the back plate, and the cracked concrete blocks can be prevented from splashing everywhere through the protective cover in the detection process, so that the safety is high.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
through the cooperation setting between installing support, the bottom plate, the guide arm, top board and the protection component, when the split tensile test operation of concrete needs to be carried out, at first, need move the device to working position, and install the installing support through the mounting hole, place the concrete piece on the bottom plate afterwards, and fix it through threaded fastener, then open the motor through the controller and make it drive the lead screw and rotate, can drive protection casing downward movement through the screw drive, until after the bottom plate is hugged closely to the protection casing can, then squeeze the detection to the concrete piece through the filler strip on top board and the backplate, can prevent through the protection casing that the concrete piece of splitting from splashing everywhere in the testing process, the security is higher.
Drawings
FIG. 1 is a schematic view of a first view angle structure of an assembly of the present utility model;
FIG. 2 is a schematic view of a second view angle structure of the assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the base plate of the present utility model;
fig. 4 is a schematic structural view of the protective cover of the present utility model.
In the figure: the device comprises a 1-mounting bracket, a 2-bottom plate, a 3-guide rod, a 4-upper pressing plate, a 5-protection component, a 501-motor, a 502-screw rod, a 503-lifting plate, a 504-protection cover, a 6-mounting hole, a 7-side plate, an 8-threaded fastener, a 9-bolt, a 10-backing strip, a 11-controller, a 12-threaded hole, a 13-limit post and a 14-top plate.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1 to 4, an ultra-high-strength ultra-high-toughness concrete splitting tensile testing device comprises a mounting bracket 1, wherein one side of the mounting bracket 1 is fixedly connected with a bottom plate 2, one side of the bottom plate 2 is fixedly connected with a guide rod 3, one side of the guide rod 3 is slidably connected with an upper pressing plate 4, one side of the bottom plate 2 is provided with a protection member 5, the protection member 5 comprises a motor 501, the output end of the motor 501 is fixedly connected with a screw rod 502, one side of the screw rod 502 is in threaded connection with a lifting plate 503, and one side of the lifting plate 503 is fixedly connected with a protection cover 504.
As an alternative technical scheme of the utility model, one side of the mounting bracket 1 is provided with two mounting holes 6, and the two mounting holes 6 are symmetrically distributed on one side of the mounting bracket 1. One side fixedly connected with curb plate 7 of bottom plate 2, one side threaded connection of curb plate 7 has threaded fastener 8, and one side of bottom plate 2 and top board 4 is equal threaded connection has bolt 9, and one side rotation of bolt 9 is connected with filler strip 10, when the splitting tensile test operation of concrete need be carried out, at first needs to move the device to working position to install installing support 1 through mounting hole 6, place the concrete piece on bottom plate 2 afterwards, and fix it through threaded fastener 8.
As an alternative solution of the present utility model, a side plate 7 is fixedly connected to one side of the bottom plate 2, a controller 11 is fixedly connected to one side of the mounting bracket 1, the controller 11 is electrically connected to the motor 501, and the stand of the motor 501 is fixedly connected to the bottom plate 2. A threaded hole 12 is formed in one side of the lifting plate 503, and the thread pitch of the threaded hole 12 is matched with that of the screw rod 502. One side of the bottom plate 2 is fixedly connected with a limit post 13, one side of the limit post 13 is fixedly connected with a top plate 14, and the limit post 13 is in sliding connection with the lifting plate 503.
An ultra-high strength ultra-high toughness concrete splitting tensile testing device has the following working principle:
1): when it is desired to perform a splitting tensile test of concrete, it is first necessary to move the apparatus to the working position and install the mounting bracket 1 through the mounting hole 6, and then place the concrete block on the bottom plate 2 and fix it by the threaded fastener 8.
2): the motor 501 is started by the controller 11 to drive the screw rod 502 to rotate, the protective cover 504 can be driven to move downwards through screw transmission until the protective cover 504 is tightly attached to the bottom plate 2, then the pressing detection is carried out on the concrete blocks through the upper pressing plate 4 and the filler strips 10 on the back plate 2, and the broken concrete blocks can be prevented from splashing everywhere through the protective cover 504 in the detection process.
In sum, this super high strength ultra high toughness concrete split tensile testing device, through the cooperation setting between installing support 1, bottom plate 2, guide arm 3, top board 4 and protection component 5, when the split tensile testing operation of concrete needs, at first, need move the device to the working position, and install installing support 1 through mounting hole 6, then place the concrete piece on bottom plate 2, and fix it through threaded fastener 8, then make it drive lead screw 502 rotate through controller 11 start motor 501, can drive protection casing 504 downward movement through the screw drive, until after protection casing 504 hugs closely bottom plate 2 can, then extrude the detection through packing strip 10 on top board 4 and the backplate 2 to the concrete piece, can prevent through protection casing 504 that the concrete piece that bursts apart from splashing everywhere in the testing process, the security is higher.
Claims (6)
1. The utility model provides an ultrahigh strength superhigh toughness concrete splitting tensile testing device which characterized in that: including installing support (1), one side fixedly connected with bottom plate (2) of installing support (1), one side fixedly connected with guide arm (3) of bottom plate (2), one side sliding connection of guide arm (3) has top board (4), one side of bottom plate (2) is provided with protection component (5), protection component (5) include motor (501), the output fixedly connected with lead screw (502) of motor (501), one side threaded connection of lead screw (502) has lifter plate (503), one side fixedly connected with protection casing (504) of lifter plate (503).
2. The ultra-high strength ultra-high toughness concrete splitting tensile testing device according to claim 1, wherein: one side of the mounting bracket (1) is provided with two mounting holes (6), and the two mounting holes (6) are symmetrically distributed on one side of the mounting bracket (1).
3. The ultra-high strength ultra-high toughness concrete splitting tensile testing device according to claim 2, wherein: one side fixedly connected with curb plate (7) of bottom plate (2), one side threaded connection of curb plate (7) has threaded fastener (8), one side of bottom plate (2) and top board (4) all threaded connection has bolt (9), one side rotation of bolt (9) is connected with filler strip (10).
4. The ultra-high strength ultra-high toughness concrete splitting tensile testing device according to claim 3, wherein: one side of the mounting bracket (1) is fixedly connected with a controller (11), the controller (11) is electrically connected with a motor (501), and a machine seat of the motor (501) is fixedly connected with a bottom plate (2).
5. The ultra-high strength ultra-high toughness concrete splitting tensile testing device according to claim 4, wherein: a threaded hole (12) is formed in one side of the lifting plate (503), and the thread pitch of the threaded hole (12) is matched with that of the screw rod (502).
6. The ultra-high strength ultra-high toughness concrete splitting tensile testing device according to claim 5, wherein: one side of the bottom plate (2) is fixedly connected with a limiting column (13), one side of the limiting column (13) is fixedly connected with a top plate (14), and the limiting column (13) is in sliding connection with the lifting plate (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424780.3U CN220136852U (en) | 2023-06-06 | 2023-06-06 | Splitting tensile testing device for ultra-high-strength ultra-high-toughness concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424780.3U CN220136852U (en) | 2023-06-06 | 2023-06-06 | Splitting tensile testing device for ultra-high-strength ultra-high-toughness concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136852U true CN220136852U (en) | 2023-12-05 |
Family
ID=88955167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321424780.3U Active CN220136852U (en) | 2023-06-06 | 2023-06-06 | Splitting tensile testing device for ultra-high-strength ultra-high-toughness concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136852U (en) |
-
2023
- 2023-06-06 CN CN202321424780.3U patent/CN220136852U/en active Active
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