CN220251952U - Concrete shrinkage experimental device - Google Patents
Concrete shrinkage experimental device Download PDFInfo
- Publication number
- CN220251952U CN220251952U CN202321891888.3U CN202321891888U CN220251952U CN 220251952 U CN220251952 U CN 220251952U CN 202321891888 U CN202321891888 U CN 202321891888U CN 220251952 U CN220251952 U CN 220251952U
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- screw rod
- concrete
- workbench
- length direction
- workstation
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- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The application discloses concrete shrinkage experimental apparatus, including the workstation that is used for placing the concrete test block, the both ends of concrete test block length direction are all pre-buried to have the ejector pin, one side fixed connection baffle of workstation length direction has been seted up on the baffle and has been supplied ejector pin male slot, the opposite side of workstation length direction is equipped with the installation pole that is used for installing the amesdial, the installation pole is followed workstation length direction sliding connection is in on the workstation, be equipped with on the workstation and be used for the drive installation pole gliding drive assembly one, this application can adjust the position of installation pole through drive assembly one to the concrete test block of different length of being convenient for measure.
Description
Technical Field
The application relates to the field of concrete detection, in particular to a concrete shrinkage experimental device
Background
At present, when concrete is put into practical use, the performance of the concrete needs to be detected, and in the process, the shrinkage degree of the concrete needs to be detected by a shrinkage experiment device.
In the related art, ejector rods are pre-buried on two sides of a concrete test block to be detected, the concrete shrinkage experimental device generally comprises a workbench, a baffle is arranged on one side of the workbench, a slot for the insertion of the ejector rods is formed in the baffle, a dial indicator detector is arranged on the other side of the workbench, the concrete test block is placed in the workbench when the shrinkage degree of the concrete is detected, the ejector rods on one side of the concrete test block are inserted into the slot, and the ejector rods on the other side of the concrete test block are abutted with the dial indicator detector rod, so that the length of the concrete test block can be read.
When the shrinkage degree of the concrete test block is detected, the initial value of the length of the concrete test block is tested after the concrete test block is finally set, then the length of the concrete test block is detected at intervals, and the shrinkage degree of the concrete can be measured by comparing the readings of the dial indicators before and after.
In view of the above-mentioned related art, the inventors consider that, in order to enhance the accuracy of measurement, it is necessary to select concrete test blocks of different lengths for measurement, and when measuring concrete test blocks of different lengths, it is necessary to replace different types of detection devices, which is troublesome.
Disclosure of Invention
In order to be convenient for detect the concrete test block of different length, this application provides a concrete shrinkage experimental apparatus.
The application provides a concrete shrinkage experimental apparatus adopts following technical scheme:
the utility model provides a concrete shrinkage experimental apparatus, is including the workstation that is used for placing the concrete test block, and the both ends of concrete test block length direction are all pre-buried to have the ejector pin, one side fixed connection baffle of workstation length direction has been seted up on the baffle and has been supplied ejector pin male slot, the opposite side of workstation length direction is equipped with the installation pole that is used for installing the amesdial, the installation pole is followed workstation length direction sliding connection is in on the workstation, be equipped with on the workstation and be used for the drive installation pole gliding drive assembly one.
Through adopting above-mentioned technical scheme, when detecting the concrete test block of different length, through the position of the installation pole of first adjustment of drive assembly, then place the concrete test block on the workstation to make the ejector pin of concrete test block one end insert in the slot of baffle, make the ejector pin butt of the concrete test block other end on the measuring staff of amesdial, can begin to measure the length of concrete test block, drive the installation pole through drive assembly and slide, thereby be convenient for detect the concrete test block of different length.
Optionally, the first driving component comprises a first handle and a first screw rod, the first screw rod is rotationally connected to the workbench, the first screw rod rotates to drive the mounting rod to slide, and the first handle is used for driving the first screw rod to rotate.
Through adopting above-mentioned technical scheme, when the drive installation pole slides, turning handle one drives first lead screw and rotates to can drive the installation pole and slide, this drive assembly one simple structure, convenient operation.
Optionally, a telescopic protective sleeve is sleeved on the first screw rod.
By adopting the technical scheme, dust is placed to drop on the first screw rod, and the work of the first screw rod is affected.
Optionally, two supporting tables are slidingly connected on the workbench along the length direction of the workbench, the concrete test block is used for being placed on the two supporting tables, and a positioning piece for positioning the position of the supporting tables is arranged on the workbench.
Through adopting above-mentioned technical scheme, when measuring different concrete test block lengths, the position of two supporting tables is adjusted to can guarantee that the atress of concrete test block is stable.
Optionally, the positioning member includes a first limit screw.
By adopting the technical scheme, when the position of the supporting table is positioned, the first limit screw is screwed.
Optionally, the installation pole is last to be followed vertical direction sliding connection and to have the slider, the amesdial is installed on the slider, be equipped with on the installation pole and be used for the drive slider gliding drive assembly two.
Through adopting above-mentioned technical scheme, drive assembly II can adjust the height of slider to can adjust the position of amesdial, then be convenient for measure the concrete test block of different height.
Optionally, the second driving component comprises a second handle and a second screw rod, the second screw rod is rotationally connected to the mounting rod, the second screw rod rotates to drive the sliding block to slide, and the second handle is used for driving the second screw rod to rotate.
Through adopting above-mentioned technical scheme, when driving the slider and sliding, turning handle two drives screw rod two and rotates, can drive the slider and slide, and this drive assembly two simple structure, convenient operation.
Optionally, the dial indicator is inserted on the sliding block, and a second limit screw for positioning the dial indicator is arranged on the sliding block.
By adopting the technical scheme, the dial indicator is convenient to position.
In summary, the present application includes the following beneficial technical effects:
1. the position of the mounting rod can be adjusted through the first driving component, so that concrete test blocks with different lengths can be conveniently measured;
2. according to the concrete test block adjusting device, the position of the supporting table is adjusted, so that good stability can be kept for concrete test blocks with different lengths.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a concrete shrinkage test apparatus according to an embodiment of the present application.
Reference numerals illustrate:
1. a concrete test block; 2. a push rod; 3. a work table; 4. a support table; 5. a baffle; 6. a mounting rod; 7. a dial gauge; 8. a slot; 9. a first handle; 10. a first screw rod; 11. a fixed block; 12. a telescopic protective sleeve; 13. a first limit screw; 14. a side plate; 15. a slide block; 16. a guide groove; 17. a second handle; 18. a second screw rod; 19. perforating; 20. and a limit screw II.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
In this application, a concrete test block 1 for detecting is the rectangle, and the both ends of concrete test block 1 length direction have all been pre-buried ejector pin 2, and concrete test block 1 is placed and is put in the maintenance room after final setting, takes out concrete test block 1 and detects the initial length of concrete test block 1 with detection device, then puts into the maintenance room, should measure concrete test block 1 length according to following prescribed time interval at least afterwards, and the interval time is 1d, 3d, 7d, 14d, 28d, 45d and 60d.
The embodiment of the application discloses a concrete shrinkage experimental device. Referring to fig. 1, this experimental apparatus includes workstation 3, and workstation 3 is the rectangle, and workstation 3 upper surface is equipped with two supporting tables 4, and concrete test block 1 is used for placing on two workstations 3, and workstation 3 length direction's one end fixedly connected with is baffle 5 of vertical setting, and workstation 3 length direction's the other end is equipped with installation pole 6, and installation pole 6 is used for installing amesdial 7, and supply ejector pin 2 male slot 8 has been seted up to the one side that baffle 5 is close to installation pole 6, and slot 8 upside is for running through the setting.
When detecting the shrinkage of concrete, place the concrete test block 1 on two supporting tables 4 to make one ejector pin 2 insert in slot 8, another ejector pin 2 butt amesdial 7's measuring rod, can measure the initial reading of the shrinkage of concrete test block 1, after waiting above-mentioned interval time, continue to measure the concrete test block 1, read out the reading of the shrinkage of concrete test block 1, with initial reading contrast, can obtain the shrinkage of concrete test block 1.
In this application, in order to measure concrete test blocks 1 with different lengths, the mounting rod 6 is slidably connected to the table 3 along the length direction of the table 3, and a first driving assembly for driving the mounting rod 6 to slide is provided on the table 3.
The first driving component comprises a first handle 9 and a first screw rod 10, the first screw rod 10 is rotationally connected to the workbench 3, the length direction of the first screw rod 10 and the rotation axis are both arranged along the length direction of the workbench 3, the lower end of the mounting rod 6 is fixedly connected with a fixing block 11, the bottom surface of the fixing block 11 is planar and is abutted to the upper surface of the workbench 3, the first screw rod 10 is threaded out of the fixing block 11, and the first handle 9 is coaxially and fixedly connected to one end of the first screw rod 10.
In another embodiment, the first driving assembly may also be a cylinder.
In this embodiment, in order to prevent dust from being blocked into the thread groove of the first screw 10, the first screw is sleeved with a telescopic protection sleeve 12, and the telescopic protection sleeve 12 may be a bellows.
After the position of the mounting rod 6 is adjusted, in order to ensure the stability of the concrete test block 1, the two support tables 4 are both slidably connected to the workbench 3 along the length direction of the workbench 3, and positioning pieces for positioning the positions of the support tables 4 are arranged on the support tables 4.
The locating piece is a first limit screw 13, two ends of the length direction of the supporting table 4 are fixedly connected with side plates 14, the two side plates 14 are matched with each other to clamp the workbench 3, so that sliding of the supporting table 4 is guaranteed, and the first limit screw 13 penetrates out of the side plates 14 in a threaded manner to be abutted against the side wall of the workbench 3.
In addition, in order to ensure the guidance of the support tables 4, the first screw 10 is passed out of both support tables 4 at the same time.
In another embodiment, the positioning member may be a bolt, and the sidewall of the workbench 3 is provided with a plurality of through holes 19 through which the bolt passes, so that the bolt passes through the sidewall and is inserted into the through holes 19, thereby positioning the supporting table 4.
In this embodiment, in order to detect concrete test blocks 1 with different heights, a slide block 15 is sleeved on the mounting rod 6, the dial indicator 7 is mounted on the slide block 15, the mounting rod 6 is provided with a guide groove 16 along the vertical direction, the slide block 15 is clamped in the guide groove 16, and a second driving component for driving the slide block 15 to slide is arranged on the mounting rod 6.
The second driving component comprises a second handle 17 and a second screw rod 18, the second screw rod 18 is rotationally connected to the mounting rod 6, the length direction and the rotation axis of the second screw rod 18 are both arranged along the length direction of the mounting rod 6, the second screw rod 18 is inserted into the guide groove 16, threads of the second screw rod 18 penetrate out of the sliding block 15, and the second handle 17 is coaxially and fixedly connected to the upper end of the second screw rod 18.
In addition, in order to be convenient for install the amesdial 7, offer the perforation 19 that supplies amesdial 7 measuring rod to wear out on slider 15, be equipped with the stop screw second 20 that is used for fixing a position amesdial 7 on the slider 15, stop screw second 20 screw thread wears out slider 15 and supports tightly on amesdial 7 measuring rod.
The implementation principle of the concrete shrinkage experimental device provided by the embodiment of the application is as follows: when the concrete test block 1 is used, the detection meter is firstly arranged on the sliding block 15 and positioned through the second limit screw 20, then the second handle 17 is rotated to drive the second screw rod 18 to rotate, the height of the sliding block 15 is adjusted, then the first handle 9 is rotated to drive the first screw rod 10 to rotate, the position of the installation rod 6 is adjusted, then the support table 4 is slid and positioned through the first limit screw 13, and then the concrete test block 1 is detected.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a concrete shrinkage experimental apparatus, is including workstation (3) that are used for placing concrete test block (1), and all pre-buried ejector pin (2) in both ends of concrete test block (1) length direction, one side fixed connection baffle (5) of workstation (3) length direction has seted up on baffle (5) and has supplied ejector pin (2) male slot (8), the opposite side of workstation (3) length direction is equipped with installation pole (6) that are used for installing amesdial (7), its characterized in that: the mounting rod (6) is slidably connected to the workbench (3) along the length direction of the workbench (3), and a first driving component for driving the mounting rod (6) to slide is arranged on the workbench (3).
2. A concrete shrinkage test apparatus according to claim 1, wherein: the first driving assembly comprises a first handle (9) and a first screw rod (10), the first screw rod (10) is rotationally connected to the workbench (3), the first screw rod (10) rotates to drive the mounting rod (6) to slide, and the first handle (9) is used for driving the first screw rod (10) to rotate.
3. A concrete shrinkage test apparatus according to claim 2, wherein: a telescopic protective sleeve (12) is sleeved on the first screw rod (10).
4. A concrete shrinkage test apparatus according to claim 1, wherein: two supporting tables (4) are slidably connected to the workbench (3) along the length direction of the workbench, the concrete test block (1) is used for being placed on the two supporting tables (4), and a positioning piece used for positioning the position of the supporting tables (4) is arranged on the workbench (3).
5. The concrete shrinkage test apparatus according to claim 4, wherein: the positioning piece comprises a first limit screw (13).
6. A concrete shrinkage test apparatus according to claim 1, wherein: the mounting rod (6) is connected with a sliding block (15) in a sliding manner along the vertical direction, the dial indicator (7) is mounted on the sliding block (15), and the mounting rod (6) is provided with a second driving component for driving the sliding block (15) to slide.
7. The concrete shrinkage test apparatus according to claim 6, wherein: the second driving assembly comprises a second handle (17) and a second screw rod (18), the second screw rod (18) is rotationally connected to the mounting rod (6), the second screw rod (18) rotates to drive the sliding block (15) to slide, and the second handle (17) is used for driving the second screw rod (18) to rotate.
8. The concrete shrinkage test apparatus according to claim 6, wherein: the dial indicator (7) is inserted on the sliding block (15), and a limiting screw II (20) for positioning the dial indicator (7) is arranged on the sliding block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891888.3U CN220251952U (en) | 2023-07-18 | 2023-07-18 | Concrete shrinkage experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891888.3U CN220251952U (en) | 2023-07-18 | 2023-07-18 | Concrete shrinkage experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251952U true CN220251952U (en) | 2023-12-26 |
Family
ID=89268437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321891888.3U Active CN220251952U (en) | 2023-07-18 | 2023-07-18 | Concrete shrinkage experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251952U (en) |
-
2023
- 2023-07-18 CN CN202321891888.3U patent/CN220251952U/en active Active
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