CN221280172U - Deflection detection device for reinforced concrete member - Google Patents
Deflection detection device for reinforced concrete member Download PDFInfo
- Publication number
- CN221280172U CN221280172U CN202323404270.2U CN202323404270U CN221280172U CN 221280172 U CN221280172 U CN 221280172U CN 202323404270 U CN202323404270 U CN 202323404270U CN 221280172 U CN221280172 U CN 221280172U
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- reinforced concrete
- concrete member
- dial indicator
- dial
- supports
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a deflection detection device for a reinforced concrete member, which comprises a reinforced concrete member support, all dial indicators and dial indicator supports, wherein the dial indicators are used for detecting deformation of different positions of the reinforced concrete member; the reinforced concrete member supports are erected at two ends of reinforced concrete, the dial indicator supports are arranged between the reinforced concrete supports in a non-contact mode, and all the dial indicators are installed on the dial indicator supports. According to the utility model, through the specific structural design of the dial indicator bracket, the dial indicators for detecting the deformation of the reinforced concrete member at different positions are all arranged on the same bracket, so that the measurement error caused by the position change of each dial indicator in the vertical direction is eliminated, and the accuracy of the measurement result is effectively improved.
Description
Technical Field
The utility model relates to the field of building components, in particular to a deflection detection device for reinforced concrete components.
Background
Deflection refers to the linear displacement of a foundation, superstructure or element of a building, etc., perpendicular to an axis due to deflection under the action of a bending moment. In short, the maximum deformation of a flexural member such as a finger, truss, plate, etc. under load is generally referred to as the deformation of the y-axis in the vertical direction, i.e., the vertical deformation of the member.
In the detection of the mechanical properties of the existing reinforced concrete member, a dial indicator is mostly adopted for measurement aiming at deflection test. For the deflection of the reinforced concrete member, a plurality of dial indicators are needed to measure the deflection of different parts. In the existing measuring device, a dial indicator for measuring the deformation of the end part of a reinforced concrete member is generally arranged close to a bearing bracket. In the testing process, the loading capacity of the test is large and even reaches several tons, so that the ground under the component bearing bracket can generate certain subsidence, the dial indicator bracket close to the bearing bracket also generates certain subsidence, the measured value of the deformation of the end part is smaller than the actual subsidence value), and meanwhile, the dial indicator bracket used for measuring the middle part of the reinforced concrete component has little or no influence of subsidence, thereby causing inaccuracy of deflection measurement results.
Disclosure of utility model
The deflection detection device for the reinforced concrete member can solve the problem that the measurement results of the dial indicators at different positions are inaccurate due to the position change of the support frame in the measurement process of the conventional reinforced concrete member.
In order to solve the technical problems, the utility model provides a deflection detection device for a reinforced concrete member, which comprises a reinforced concrete member bracket, all dial indicators and dial indicator brackets, wherein the dial indicators are used for detecting deformation of different positions of the reinforced concrete member; the reinforced concrete member supports are erected at two ends of reinforced concrete, the dial indicator supports are arranged between the reinforced concrete supports in a non-contact mode, and all the dial indicators are installed on the dial indicator supports.
In a preferred embodiment of the utility model, the dial indicator support comprises a support plate, a support column and a connecting rod; the supporting plates are horizontally arranged, the supporting columns are vertically connected with the centers of the bottom surfaces of the supporting plates, and each dial indicator is connected with the supporting plates through the connecting rods respectively.
In a preferred embodiment of the present utility model, the connecting rod includes a cross rod and a vertical rod, wherein one end of the cross rod is fixed on the supporting plate, the other end of the cross rod is suspended, the vertical rod is vertically arranged, the bottom end of the vertical rod is connected with the suspended end of the cross rod, and the top end of the vertical rod is connected with the dial indicator.
In a preferred embodiment of the utility model, the cross bar is a telescopic bar.
In a preferred embodiment of the present utility model, the dial indicator support further comprises a remote control lifting device, and the bottom end of the support column is connected with the remote control lifting device.
In a preferred embodiment of the present utility model, the remote control lifting device is a vertical lift motor.
The beneficial effects of the utility model are as follows: according to the deflection detection device for the reinforced concrete member, the dial indicators for detecting the deformation of different positions of the reinforced concrete member are all arranged on the same bracket through the specific structural design of the dial indicator bracket, so that measurement errors caused by position changes in the vertical direction among the dial indicators are eliminated, and the accuracy of measurement results is effectively improved.
Drawings
FIG. 1 is a schematic side view of a deflection detecting device for reinforced concrete members according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the bottom structure of the dial indicator bracket shown;
The components in the drawings are marked as follows:
100. a reinforced concrete member;
10. a reinforced concrete member support;
20. The dial indicator bracket comprises a dial indicator bracket body, a supporting plate, a supporting column, a connecting rod, a remote control lifting device, a cross rod and a vertical rod, wherein the dial indicator bracket body comprises a supporting plate, a supporting column and a connecting rod;
30. And (5) a dial indicator.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model includes:
Example 1
The utility model discloses a deflection detection device for a reinforced concrete member, which comprises a reinforced concrete member support 10, a dial indicator support 20 and a dial indicator 30 for detecting deformation of different positions of the reinforced concrete member.
Specifically, the reinforced concrete member 100 is placed on the reinforced concrete member support 10, and the reinforced concrete member support 10 is located at both ends of the reinforced concrete member.
The dial indicator support 20 is placed at a position in the middle of the reinforced concrete member support 10 and is not connected to the concrete member support 10, i.e., is arranged in a non-contact manner. The dial indicators 30 for detecting deformation amounts of the reinforced concrete member 100 at different positions are all installed on the same dial indicator bracket 20. Through the design, the position change in the vertical direction caused by the influence of the stress subsidence of the reinforced concrete member support 10 on part of the dial indicators 30 can be effectively avoided, so that the error caused by the position change of the dial indicators 30 is eliminated, and the accuracy of the measurement result is improved.
Specifically, the dial indicator bracket 20 comprises a supporting plate 21, a supporting column 22, a connecting rod 23 and a remote control lifting device 24. The supporting columns 11 are vertically arranged, the supporting plates 21 are horizontally installed at the top ends of the supporting columns 11, the bottom ends of the supporting columns 11 are connected with the remote control lifting devices 24, and the remote control lifting devices 24 can select common equipment such as vertical lifting motors. By the design of the remote control lifting device 24, the height of the dial indicator 30 can be adjusted to match the reinforced concrete member supports 10 with different heights, and the dial indicator can be ensured to measure the detected reinforced concrete member 100 during the test. In addition, by the design of the remote control lifting device 24, the safety operation performance can be improved, and accidents such as head collision and the like caused by personnel during the installation of the dial indicator can be prevented.
In this embodiment, in the same deflection detecting device, the dial indicators 30 are 4 in number and are used to measure the deformation amounts of the two ends and the two sides of the middle of the reinforced concrete member 100 respectively. The number of links 23 matches the number of dial indicators 30.
Specifically, each of the links 23 includes a cross bar 231 and a vertical bar 232. Wherein, 4 one ends of the cross bars 231 are respectively fixed at corresponding positions on the bottom surface of the support plate 21, the other ends thereof are suspended, the vertical bars 232 are vertically arranged, the bottom ends thereof are connected with the suspended ends of the cross bars 231, and the top ends thereof are connected with the dial indicator 30. The cross bar 231 is a telescopic bar, and the length of the cross bar can be adjusted according to the size, such as the length and the width, of the reinforced concrete member 100, so as to meet the measurement requirements of the reinforced concrete member 100 with different sizes, and improve the application range and the practicability of the detection device.
The utility model relates to a deflection detection device for reinforced concrete members, which comprises the following working principles or measuring methods:
Placing a reinforced concrete member to be measured on a reinforced concrete member support;
Placing a dial indicator bracket connected with a dial indicator below the reinforced concrete member and at a position in the middle of the reinforced concrete member bracket;
the height of the support column is adjusted through a remote control lifting device, so that the initial position of the dial indicator is adjusted;
According to the actual size of the reinforced concrete member, the length of the transverse rod is adjusted to a proper position, the remote control lifting device is adjusted, so that the dial indicator completely contacts the reinforced concrete member and generates a reading, then a load is applied to the reinforced concrete member, the deformation of the corresponding position is measured by the dial indicator, and finally the average value of the measurement results of the dial indicator at the middle position is subtracted from the average value of the measurement results of the dial indicators at the two ends, so that the actual measurement value of the mid-span deflection of the reinforced concrete member under the action of an external test load is obtained.
According to the deflection detection device for the reinforced concrete member, the dial indicators for detecting the deformation of different positions of the reinforced concrete member are all arranged on the same bracket through the specific structural design of the dial indicator bracket, so that measurement errors caused by position changes in the vertical direction among the dial indicators are eliminated, and the accuracy of measurement results is effectively improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The deflection detection device for the reinforced concrete member is characterized by comprising a reinforced concrete member support, all dial indicators and dial indicator supports, wherein the dial indicators are used for detecting the deflection of different positions of the reinforced concrete member; the reinforced concrete member supports are erected at two ends of reinforced concrete, the dial indicator supports are arranged between the reinforced concrete supports in a non-contact mode, and all the dial indicators are installed on the dial indicator supports.
2. The deflection detecting device for reinforced concrete members according to claim 1, wherein the dial indicator bracket comprises a support plate, a support column and a connecting rod; the supporting plates are horizontally arranged, the supporting columns are vertically connected with the centers of the bottom surfaces of the supporting plates, and each dial indicator is connected with the supporting plates through the connecting rods respectively.
3. The deflection detecting device for reinforced concrete members according to claim 2, wherein the connecting rod comprises a cross rod and a vertical rod, wherein one end of the cross rod is fixed on the supporting plate, the other end of the cross rod is suspended, the vertical rod is vertically arranged, the bottom end of the vertical rod is connected with the suspended end of the cross rod, and the top end of the vertical rod is connected with the dial indicator.
4. A deflection detecting apparatus for reinforced concrete members according to claim 3, wherein said cross bar is a telescopic bar.
5. The deflection detecting device for reinforced concrete members according to claim 2, wherein the dial indicator support further comprises a remote control lifting device, and the bottom end of the support column is connected with the remote control lifting device.
6. The deflection detecting device for reinforced concrete members according to claim 5, wherein the remote control lifting device is a vertical lifting motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323404270.2U CN221280172U (en) | 2023-12-14 | 2023-12-14 | Deflection detection device for reinforced concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323404270.2U CN221280172U (en) | 2023-12-14 | 2023-12-14 | Deflection detection device for reinforced concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280172U true CN221280172U (en) | 2024-07-05 |
Family
ID=91691030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323404270.2U Active CN221280172U (en) | 2023-12-14 | 2023-12-14 | Deflection detection device for reinforced concrete member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280172U (en) |
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2023
- 2023-12-14 CN CN202323404270.2U patent/CN221280172U/en active Active
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