CN220525546U - Shear force resistance detection device for concrete admixture - Google Patents
Shear force resistance detection device for concrete admixture Download PDFInfo
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- CN220525546U CN220525546U CN202321798511.3U CN202321798511U CN220525546U CN 220525546 U CN220525546 U CN 220525546U CN 202321798511 U CN202321798511 U CN 202321798511U CN 220525546 U CN220525546 U CN 220525546U
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- fixing frame
- concrete admixture
- shear force
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000010008 shearing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a concrete admixture shearing resistance detection device, which aims to solve the technical problem of low current concrete shearing resistance detection precision, and comprises a detection table and a concrete detection block: the utility model discloses a concrete test block, which is characterized in that a first fixing frame is arranged below the inner side of a detection table, a second fixing frame is symmetrically arranged at the upper end of the first fixing frame, and limit grooves are horizontally formed in the first fixing frame and the second fixing frame.
Description
Technical Field
The utility model relates to the field of concrete detection, in particular to a shear force resistance detection device for a concrete admixture.
Background
Concrete refers to a generic term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material, and shear resistance detection is required for different admixtures.
According to the disclosure CN114459884a, a shear force detecting device for concrete admixture comprises a supporting table, supporting legs are arranged at four corners of the lower surface of the supporting table, the right side is fixedly connected with a first fixing plate at the lower part of the supporting legs, air cylinders are arranged at the front end and the rear end of the upper surface of the first fixing plate, a piston rod of each air cylinder is fixedly connected with the middle part of the lower surface of a second lifting plate, a compression bar is arranged at the left side of the lower surface of the second lifting plate, and a first compression plate is arranged at the lower end of each compression bar.
In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art are not solved, the shear force detection of the concrete block is realized through the combination of the air cylinder, the first pressing plate and the second pressing plate, and the pressure of the second pressing plate is changed through the rotating heavy hammer, so that the concrete block is detected in different shear force environments; but in the use, on the one hand the magnitude of shear force can not be accurately controlled, on the other hand the influence that different shear forces caused to the concrete piece can not be intuitively understood.
Therefore, we propose a device for detecting shear force resistance of concrete admixture, which can solve the above problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a shear force resistance detection device for concrete admixture so as to solve the technical problem of low shear force resistance detection precision of the current concrete.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the design a concrete admixture shear force resistance detection device, including detecting bench and concrete test piece: the utility model discloses a concrete measuring instrument, including the test bench, the test bench is provided with the fixed bolster, the inboard below of test bench is provided with first mount, the upper end symmetry of first mount is provided with the second mount, the spacing groove has all been seted up to the inside level of first mount and second mount, the both sides sliding connection of spacing inslot portion has the stopper, the inner wall of spacing groove both sides is connected with two-way lead screw through the bearing rotation, two-way lead screw level runs through the stopper and with stopper threaded connection, the one end fixed mounting in the spacing groove outside is arranged in to the stopper has the clamp splice, second mount and first mount respectively with the upper and lower both ends swing joint of concrete test block, one side of test bench is through bolt fixedly connected with electrohydraulic push rod, the flexible end of electrohydraulic push rod runs through the inner wall of test bench one side and with the middle part fixed connection of first mount one side, one side fixed mounting briquetting of electrohydraulic push rod is kept away from to the second mount, the upper end of test bench opposite side is provided with the fixed frame, one side fixed frame is close to the briquetting, one side fixedly connected with pressure sensor of fixed frame, the middle part fixedly connected with straightness measuring instrument of second mount upper surface.
Preferably, the fixed frame is in sliding connection with the detection table, a thread groove is horizontally formed in the inner wall of one side of the fixed frame in a penetrating mode, a screw is connected with the inside of the thread groove in a threaded mode, and one end of the screw abuts against the outer side of the detection table.
Preferably, the guide rail is horizontally arranged on the front side and the rear side of the inner wall of the bottom end of the detection table, two groups of rollers are fixedly arranged on the front side and the rear side of the lower surface of the first fixing frame, and the first fixing frame is in sliding connection with the detection table through the rollers and the guide rail.
Preferably, the pressure sensor is movably connected with the pressing block, and the pressure sensor corresponds to the pressing block.
Preferably, one end of the bidirectional screw rod, which is arranged at the outer side of the limiting groove, is fixedly provided with a knob, and the outer side of the knob is provided with anti-skid patterns.
Preferably, the first fixing frame is U-shaped, and the first fixing frame is matched with the clamping block in size.
Preferably, the lower part of the front side of the detection platform is fixedly connected with a PLC controller through a screw, the data output end of the pressure sensor is connected with the data input end of the PLC controller, and the signal output end of the PLC controller is connected with the signal input end of the electro-hydraulic push rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the knob can be rotated to drive the bidirectional screw rod to rotate, the bidirectional screw rod is in threaded connection with the limiting block, in the process of rotating the bidirectional screw rod, the two groups of limiting blocks can be driven to move relatively or reversely in the limiting groove, so that the two groups of clamping blocks are driven to be abutted against two sides of the concrete test block, further the first fixing frame and the second fixing frame can clamp the upper end and the lower end of the concrete test block, the electrohydraulic push rod is controlled to work, the first fixing frame can be pushed to move left, the pressing block on the left side of the second fixing frame is driven to move left and press the pressure sensor on the outer side of the fixing frame, the pressure of the pressing block can be detected through the pressure sensor, the reverse shearing force of the concrete test block is further detected and controlled, and the influence of different shearing forces on the concrete test block can be detected through fixedly connected with the perpendicularity measuring instrument on the upper surface of the second fixing frame.
2. According to the utility model, the detection table is in sliding connection with the fixed frame, the height of the pressure sensor can be adjusted according to the height of the concrete test block, so that the pressure sensor is aligned with the pressing block, the rotary screw is abutted against the outer side of the detection table, the fixed frame can be limited and fixed, and the stability of the pressure sensor in the use process is improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of a fixing frame according to the present utility model;
in the figure: 1. a detection table; 11. a first fixing frame; 12. the second fixing frame; 13. a limit groove; 14. a limiting block; 15. a two-way screw rod; 16. a knob; 17. clamping blocks; 18. a concrete test block; 2. an electro-hydraulic push rod; 21. a guide rail; 22. a roller; 23. briquetting; 24. a fixed frame; 25. a pressure sensor; 26. a verticality measuring instrument; 27. a PLC controller; 3. a thread groove; 31. and (3) a screw.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: referring to fig. 1 to 3, a shear force resistance detection device for concrete admixture comprises a detection table 1 and a concrete test block 18: the inboard below of test bench 1 is provided with first mount 11, the upper end symmetry of first mount 11 is provided with second mount 12, spacing groove 13 has all been seted up to the inside level of first mount 11 and second mount 12, the both sides sliding connection of spacing groove 13 inside has stopper 14, the inner wall on both sides of spacing groove 13 is connected with two-way lead screw 15 through the bearing rotation, the one end fixed mounting in the outside of spacing groove 13 has knob 16 in two-way lead screw 15, two-way lead screw 15 level runs through stopper 14 and with stopper 14 threaded connection, the one end fixed mounting in the outside of spacing groove 13 of stopper 14 has clamp splice 17, first mount 11 is the U-shaped, the size of first mount 11 and clamp splice 17 cooperatees, second mount 12 and first mount 11 respectively with the upper and lower both ends swing joint of concrete test block 18, one side of test bench 1 is through bolt fixedly connected with electrohydraulic push rod 2, the flexible end of electrohydraulic push rod 2 runs through the inner wall on one side of test bench 1 and with the middle part fixed connection of one side of first mount 11, one side fixed mounting briquetting 23 of second mount 12 is kept away from electrohydraulic push rod 2, the upper end 24 of test bench 1 opposite side is provided with clamp block 23, the upper end 24 and second mount 23 is close to 25 fixed connection 13 of 13, pressure sensor 25 fixed connection is located with pressure sensor 25 at one side fixed pressing device 25, 25 is close to pressure sensor 25 fixed connection.
In this kind of technical scheme, rotate knob 16 can drive two-way lead screw 15 rotation, through two-way lead screw 15 and stopper 14 threaded connection, two sets of stopper 14 are relative or reverse removal in spacing groove 13 can be driven to two sets of clamp pieces 17 support in the both sides of concrete test piece 18 to the drive, further first mount 11 and second mount 12 can press from both sides the solid about concrete test piece 18, control electrohydraulic push rod 2 work, can promote first mount 11 and move left, thereby drive briquetting 23 on the left side of second mount 12 and move left and extrude the pressure sensor 25 in the fixed frame 24 outside, can detect the pressure of briquetting 23 through pressure sensor 25, further detect concrete test piece 18 reverse shearing force, when pressure reaches the threshold value of pressure sensor 25, pressure sensor 25 can give PLC controller 27 with data transfer, further PLC controller 27 automatic control electrohydraulic push rod 2 stops working, thereby automatically control concrete test piece 18's shearing force, be connected with perpendicularity measuring instrument 26 through the fixed surface on the second mount 12, can detect the influence of concrete test piece 18 to different shearing force.
Specifically, referring to fig. 1-3, the fixed frame 24 is slidably connected with the detection platform 1, a threaded groove 3 is horizontally formed in the inner wall of one side of the fixed frame 24 in a penetrating manner, a screw 31 is connected to the inner thread of the threaded groove 3, and one end of the screw 31 abuts against the outer side of the detection platform 1.
In this technical scheme, through detecting platform 1 and fixed frame 24 sliding connection, can be according to the height of concrete test piece 18, highly adjust pressure sensor 25, make pressure sensor 25 and briquetting 23 align, rotate screw 31 and support in the outside of detecting platform 1, can carry out spacing fixed to fixed frame 24, improve pressure sensor 25 stability in the use.
Further, referring to fig. 1-2, guide rails 21 are horizontally provided on both front and rear sides of the inner wall of the bottom end of the detection table 1, two sets of rollers 22 are fixedly mounted on both front and rear sides of the lower surface of the first fixing frame 11, and the first fixing frame 11 is slidably connected with the detection table 1 through the rollers 22 and the guide rails 21.
In the technical scheme, the electrohydraulic push rod 2 works and can drive the first fixing frame 11 to stably move on the inner side of the detection table 1, so that the stability of the concrete test block 18 in the test process is further improved.
It should be noted that, the lower part of the front side of the detection table 1 is fixedly connected with a PLC controller 27 through a screw, the data output end of the pressure sensor 25 is connected with the data input end of the PLC controller 27, and the signal output end of the PLC controller 27 is connected with the signal input end of the electro-hydraulic push rod 2.
In addition, the present utility model relates to circuits, electronic components and modules in the prior art, and those skilled in the art can fully implement the present utility model, and needless to say, the protection of the present utility model does not relate to improvement of the internal structure and method.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (7)
1. A shear force resistance detection device for concrete admixture, which is characterized by comprising a detection table (1) and a concrete detection block (18): the utility model discloses a concrete test bench, including test bench (1), first mount (11) is provided with in the inboard below of test bench (1), the upper end symmetry of first mount (11) is provided with second mount (12), spacing groove (13) have all been seted up to the inside of first mount (11) and second mount (12) level, the both sides sliding connection of spacing groove (13) inside has stopper (14), the inner wall of spacing groove (13) both sides is connected with two-way lead screw (15) through the bearing rotation, two-way lead screw (15) level runs through stopper (14) and with stopper (14) threaded connection, one end fixed mounting clamp block (17) outside limit groove (13) are arranged in to stopper (14), second mount (12) and first mount (11) respectively with the upper and lower both ends swing joint of concrete test block (18), one side of test bench (1) is through bolt fixedly connected with electrohydraulic push rod (2), the flexible end of electrohydraulic push rod (2) runs through the inner wall of test bench (1) one side and with middle part fixedly connected with one side of first mount (11), second mount (12) is arranged in one side (24) is kept away from fixed mounting bench (24), one side of the fixed frame (24) close to the pressing block (23) is fixedly connected with a pressure sensor (25), and the middle part of the upper surface of the second fixed frame (12) is fixedly connected with a verticality measuring instrument (26).
2. The shear force detection device for concrete admixture according to claim 1, wherein the fixed frame (24) is slidably connected with the detection table (1), a threaded groove (3) is horizontally formed in the inner wall on one side of the fixed frame (24), a screw rod (31) is connected to the inner thread of the threaded groove (3), and one end of the screw rod (31) abuts against the outer side of the detection table (1).
3. The shear force resistance detection device for concrete admixture according to claim 1, wherein guide rails (21) are horizontally arranged on the front side and the rear side of the inner wall of the bottom end of the detection table (1), two groups of rollers (22) are fixedly arranged on the front side and the rear side of the lower surface of the first fixing frame (11), and the first fixing frame (11) is in sliding connection with the detection table (1) through the rollers (22) and the guide rails (21).
4. A device for detecting shear resistance of a concrete admixture as claimed in claim 1, wherein said pressure sensor (25) is movably connected to said pressure block (23), said pressure sensor (25) being flush with said pressure block (23).
5. The shear force resistance detection device for concrete admixture as claimed in claim 1, wherein one end of the bidirectional screw rod (15) arranged outside the limit groove (13) is fixedly provided with a knob (16), and the outer side of the knob (16) is provided with anti-skid patterns.
6. A device for detecting the shear resistance of a concrete admixture as claimed in claim 1, wherein said first fixing frame (11) is U-shaped, said first fixing frame (11) being sized to fit with the clamping blocks (17).
7. The shear force resistance detection device for concrete admixture as claimed in claim 1, wherein a PLC (programmable logic controller) 27 is fixedly connected to the lower part of the front side of the detection table 1 through a screw, a data output end of the pressure sensor 25 is connected with a data input end of the PLC 27, and a signal output end of the PLC 27 is connected with a signal input end of the electrohydraulic push rod 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321798511.3U CN220525546U (en) | 2023-07-10 | 2023-07-10 | Shear force resistance detection device for concrete admixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321798511.3U CN220525546U (en) | 2023-07-10 | 2023-07-10 | Shear force resistance detection device for concrete admixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525546U true CN220525546U (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321798511.3U Active CN220525546U (en) | 2023-07-10 | 2023-07-10 | Shear force resistance detection device for concrete admixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525546U (en) |
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2023
- 2023-07-10 CN CN202321798511.3U patent/CN220525546U/en active Active
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