CN219842244U - Positioning mechanism of deformation measuring device for concrete elastic modulus test - Google Patents
Positioning mechanism of deformation measuring device for concrete elastic modulus test Download PDFInfo
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- CN219842244U CN219842244U CN202320273622.6U CN202320273622U CN219842244U CN 219842244 U CN219842244 U CN 219842244U CN 202320273622 U CN202320273622 U CN 202320273622U CN 219842244 U CN219842244 U CN 219842244U
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- measuring device
- elastic modulus
- deformation measuring
- horizontal plate
- sleeve plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a positioning mechanism of a deformation measuring device for a concrete elastic modulus test. The utility model aims to accurately and rapidly position the strain gauge of the deformation measuring device for the concrete elastic modulus test, thereby improving the work efficiency and ensuring the accuracy of the test result. The technical scheme of the utility model is as follows: a positioning mechanism of a concrete elastic modulus test deformation measuring device comprises a horizontal plate, a round sleeve plate, a positioning groove and a handle; the horizontal plate is circular, the circular sleeve plate is cylindrical, the horizontal plate is vertically connected with the circular sleeve plate, a positioning groove for positioning the resistance strain gauge of the deformation measuring device is formed in the side face of the circular sleeve plate, and the handle is arranged in the middle of the horizontal plate. The utility model is suitable for the field of concrete elastic modulus test.
Description
Technical Field
The utility model relates to the field of concrete elastic modulus tests, in particular to a positioning mechanism of a deformation measuring device for a concrete elastic modulus test.
Background
When the concrete is tested by elastic modulus test, a deformation measuring device is required to be installed, the deformation measuring device generally adopts a dial gauge, a displacement sensor or a resistance strain gauge and the like, and the deformation measuring device is required to be installed at the symmetrical middle parts of the two sides of the test piece. The test piece size of the concrete static compression elastic modulus test is phi 150mm multiplied by 300mm or phi 3000mm multiplied by 600mm or 450mm multiplied by 900mm.
When the deformation is measured by adopting the resistance strain gauge, after the test piece is taken out from the curing chamber, the surface of the middle part of the test piece is blown dry by using an electric hair drier as soon as possible, and then the resistance strain gauge is glued and stuck by using 502 glue, wherein the length of the resistance strain gauge is not less than 3 times of the maximum grain size of aggregate. Taking out the test piece until the test is finished, and taking out the test piece, wherein the test piece is not suitable for exceeding 4 hours and paying attention to moisture retention. Therefore, the mounting and pasting of the resistance strain gauge are extremely important, the mounting is required to be completed in a short time, and the mounting at the middle symmetrical positions of the two sides of the test piece is ensured, otherwise, the accuracy of the test result is affected. At present, manual scale positioning is generally adopted during installation, and the installation work needs a long time, thus time is wasted and the installation work is inaccurate.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a positioning mechanism of a deformation measuring device for a concrete elastic modulus test, which can accurately and rapidly position a strain gauge of the deformation measuring device for the concrete elastic modulus test, thereby improving the work efficiency and ensuring the accuracy of test results, and the technical scheme is as follows:
comprises a horizontal plate, a round sleeve plate, a positioning groove and a handle;
the horizontal plate is circular, the circular sleeve plate is cylindrical, the horizontal plate is vertically connected with the circular sleeve plate, a positioning groove for positioning the resistance strain gauge of the deformation measuring device is formed in the side face of the circular sleeve plate, and the handle is arranged in the middle of the horizontal plate.
Preferably, the diameter of the horizontal plate is matched with the diameter of the test piece, the diameter of the circular sleeve plate is matched with the diameter of the horizontal plate, and the height of the circular sleeve plate is smaller than the height of the test piece.
Preferably, the four positioning grooves are symmetrically arranged on the round sleeve plate in a front-back and left-right mode, and the size of each positioning groove is matched with that of each resistance strain gauge.
Preferably, the horizontal plate and the round sleeve plate are made of organic glass.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the symmetrical positioning grooves are arranged on the circular sleeve plate, so that the position of the strain gauge of the deformation measuring device for the concrete elastic modulus test can be accurately and rapidly positioned, and the accurate and efficient installation work of the deformation measuring device is ensured.
2. According to the utility model, the horizontal plate and the handle are arranged, so that the device is easy to operate and control, and the mounting and pasting speed of the resistance strain gauge can be improved.
3. The diameters of the horizontal plate and the circular sleeve plate are matched with the test piece, so that the positioning of the resistance strain gauge is accurate, and the true and reliable test result is ensured.
Drawings
FIG. 1 is a schematic structural view of a positioning mechanism of a concrete elastic modulus test deformation measuring device provided by the utility model;
reference numerals illustrate: horizontal plate 1, circular sleeve plate 2, constant head tank 3, handle 4.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Example 1:
the utility model provides a positioning mechanism of a concrete elastic modulus test deformation measuring device, which comprises a horizontal plate 1, a round sleeve plate 2, a positioning groove 3 and a handle 4;
wherein, horizontal plate 1 is circular, and circular sleeve plate 2 is cylindrical, and horizontal plate 1 links to each other perpendicularly with circular sleeve plate 2, is equipped with the constant head tank 3 that is used for the location deformation measuring device resistance strain gauge on the side of circular sleeve plate 2, and handle 4 sets up the middle part at horizontal plate 1.
The diameter of the horizontal plate 1 is matched with the diameter of a test piece, the diameter of the circular sleeve plate 2 is matched with the diameter of the horizontal plate 1, and the height of the circular sleeve plate 2 is smaller than the height of the test piece.
The four positioning grooves 3 are symmetrically arranged on the round sleeve plate 2 from front to back and from left to right, and the size of the positioning groove 3 is matched with that of the resistance strain gauge. The test piece size of the concrete static compression elastic modulus test is phi 150mm multiplied by 300mm or phi 3000mm multiplied by 600mm or 450mm multiplied by 900mm. When the round sleeve plate is sleeved on the test piece, the positioning groove 3 is arranged in the middle of the test piece from the horizontal plate 1 to the downward direction.
The horizontal plate 1 and the round sleeve plate 2 are made of organic glass.
Example 2:
and during testing, after the test piece is taken out of the curing chamber, placing the molding surface of the test piece on a workbench upwards, and drying the surface of the middle part of the test piece by using an electric hair drier. The device is lifted to be sleeved on a test piece, the horizontal plate 1 and the round sleeve plate 2 are attached to the test piece, wherein the horizontal plate 1 is attached to the molding surface of the test piece, and the round sleeve plate 2 is attached to the vertical surface of the test piece. Marking marks are marked on the middle part of the test piece along the positioning groove 3 by using a marking pen, the device is taken away, and the symmetrical two positioning groove 3 marks which are relatively smooth and have no holes are selected to be coated with 502 glue through observation, so that the resistance strain gauge of the deformation measuring device is firmly adhered to the glue coated positioning groove 3 marks.
Claims (4)
1. The utility model provides a concrete elastic modulus test deformation measuring device positioning mechanism which characterized in that includes: the device comprises a horizontal plate, a round sleeve plate, a positioning groove and a handle;
the horizontal plate is circular, the circular sleeve plate is cylindrical, the horizontal plate is vertically connected with the circular sleeve plate, a positioning groove for positioning the resistance strain gauge of the deformation measuring device is formed in the side face of the circular sleeve plate, and the handle is arranged in the middle of the horizontal plate.
2. The positioning mechanism of a concrete elastic modulus test deformation measuring device according to claim 1, wherein the diameter of the horizontal plate is matched with the diameter of a test piece, the diameter of the circular sleeve plate is matched with the diameter of the horizontal plate, and the height of the circular sleeve plate is smaller than the height of the test piece.
3. The positioning mechanism of the concrete elastic modulus test deformation measuring device according to claim 1, wherein the number of the positioning grooves is four, the positioning grooves are symmetrically arranged on the round sleeve plate in a front-back and left-right mode, and the size of the positioning grooves is matched with that of the resistance strain gauge.
4. The positioning mechanism of the concrete elastic modulus test deformation measuring device according to claim 1, wherein the horizontal plate and the circular sleeve plate are made of organic glass materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320273622.6U CN219842244U (en) | 2023-02-21 | 2023-02-21 | Positioning mechanism of deformation measuring device for concrete elastic modulus test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320273622.6U CN219842244U (en) | 2023-02-21 | 2023-02-21 | Positioning mechanism of deformation measuring device for concrete elastic modulus test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842244U true CN219842244U (en) | 2023-10-17 |
Family
ID=88300113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320273622.6U Active CN219842244U (en) | 2023-02-21 | 2023-02-21 | Positioning mechanism of deformation measuring device for concrete elastic modulus test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842244U (en) |
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2023
- 2023-02-21 CN CN202320273622.6U patent/CN219842244U/en active Active
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