CN212902998U - Novel simple crack monitoring ruler - Google Patents
Novel simple crack monitoring ruler Download PDFInfo
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- CN212902998U CN212902998U CN202021046879.0U CN202021046879U CN212902998U CN 212902998 U CN212902998 U CN 212902998U CN 202021046879 U CN202021046879 U CN 202021046879U CN 212902998 U CN212902998 U CN 212902998U
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Abstract
The utility model discloses a novel simple crack monitoring ruler, which comprises a measuring ruler without a scale and a measuring vernier with a scale; when the measuring device is used, the measuring ruler without the scale is placed on the surface of the member across the crack on the surface of the member, and one end of the measuring ruler without the scale is fixed; placing the measuring scale with the scale on the surface of the component, enabling the scale on the measuring scale with the scale to be upward, enabling the upper part and the lower part of the measuring scale without the scale to be overlapped, fixing one end of the measuring scale with the scale, and enabling the fixed end without the measuring scale and the fixed end with the measuring scale to be respectively positioned at two sides of a crack on the surface of the component; will measure the vernier and paste on not taking the scale dipperstick, the scale orientation on the measurement scale takes the scale dipperstick, and 0 scale mark on the measurement vernier scale aligns with certain scale mark in the middle of taking on the scale dipperstick. The monitoring ruler can directly monitor cracks, only 1 person of a measuring person is needed to record data, and the monitoring ruler is convenient, practical, economical, simple and convenient to operate and labor-saving.
Description
Technical Field
The utility model belongs to the technical field of measure, a simple and easy monitoring ruler that is used for clearance continuous variation condition between industry and civil architecture component crack or component is related to.
Background
Under the effects of load, uneven settlement of foundation, temperature and the like, structural members can have cracks of different degrees, gaps among the structural members can also have changes of different degrees, effective and continuous monitoring needs to be carried out on the same positions of the cracks or the gaps in order to accurately know unit time changes and change rates of the cracks or the gaps among the structural members, and real-time monitoring data of the cracks or the gaps are provided, so that the deformation of the early warning structure is realized. Because the cracks of structural members of industrial and civil buildings and gaps among the structural members are difficult to accurately observe for a plurality of times at the same position, the observation has certain influence on the peripheral edge form of the cracks or the gaps.
Disclosure of Invention
The utility model aims at providing a can conveniently monitor industry and civil construction component crack or the novel simple and easy crack monitoring ruler of clearance continuous variation between the component.
In order to achieve the above object, the utility model adopts the following technical scheme: a novel simple crack monitoring ruler comprises a measuring ruler without scales, a measuring ruler with scales and a measuring vernier; when in use, the measuring ruler without scales is placed on the surface of the component with cracks or gaps on the surface, the measuring ruler without scales spans the cracks or gaps on the surface of the component, and one end of the measuring ruler without scales is fixed on the surface of the component; then the measuring scale with the scale is placed on the surface of the member, the scale on the measuring scale with the scale is upward, the measuring scale without the scale and the measuring scale with the scale are overlapped at the upper part and the lower part, one end of the measuring scale with the scale is fixed on the surface of the member, and the fixed end of the measuring scale without the scale and the fixed end of the measuring scale with the scale are respectively positioned at two sides of the crack or the gap on the surface of the member; the measuring vernier is pasted on a measuring scale without scales, the scales on the measuring scale face to the measuring scale with the scales, and the '0' scale mark on the measuring vernier is aligned with a certain scale mark in the middle on the measuring scale with the scales.
Or, the novel simple crack monitoring ruler comprises a measuring ruler without scales and a measuring ruler with scales; when in use, the measuring ruler without scales is placed on the surface of the component with cracks or gaps on the surface, the measuring ruler without scales stretches across the cracks on the surface of the component, and one end of the measuring ruler without scales is fixed on the surface of the component; then the measuring scale with the scale is placed on the surface of the member, the scale on the measuring scale with the scale is upward, the measuring scale without the scale and the measuring scale with the scale are overlapped at the upper part and the lower part, one end of the measuring scale with the scale is fixed on the surface of the member, and the middle scale mark on the measuring scale with the scale is aligned with the side edge of the free end of the measuring scale without the scale; the fixed end of the measuring scale without scales and the fixed end of the measuring scale with scales are respectively positioned at two sides of the surface crack of the component.
The utility model discloses component surface crack or clearance are all spand to two dipperstick in the crack monitoring chi, and the stiff end of these two dippersticks is located the both sides in this monitoring crack or clearance respectively. If the crack or the gap of the component expands, the reading of the graduated scale changes, so that the data of the crack or the gap change can be accurately read from the scale change. For the component with larger surface cracks and faster change, two measuring scales are directly used for monitoring the cracks. And (4) adding a vernier scale to the component with small surface cracks and slow change, and monitoring the cracks. The measuring vernier is stuck on the measuring scale and can be used for observation with certain precision. Therefore, the method can overcome the difficulty in observing cracks or gaps at the same continuous position in monitoring the cracks or gaps of industrial and civil building members, accurately measure the change data of the cracks or gaps at any time and accurately early warn the cracks (or gaps among the members) and deformation of the structural members. The utility model discloses crack monitoring chi is convenient, economy, practical, easy and simple to handle, and the flexibility is good, can improve observation efficiency, uses manpower sparingly.
Drawings
Fig. 1 is a schematic view of a first embodiment of the crack monitoring ruler of the present invention in a use state.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic view of the second embodiment of the crack monitoring ruler of the present invention in a use state.
Fig. 4 is a schematic view of the third embodiment of the crack monitoring ruler of the present invention in a use state.
In the figure: 1. the measuring device comprises a first measuring scale, 2, a first vernier scale, 3, a second measuring scale, 4, a first gasket, 5, a first expansion screw, 6, a second gasket, 7, a second expansion screw and 8, wherein the surface of a component is cracked.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the first embodiment of the crack monitoring ruler of the present invention comprises a first measuring ruler 1, a first vernier 2, a second measuring ruler 3, a first gasket 4, a second gasket 6, at least two first expansion screws 5 and at least two second expansion screws 7. The first measuring scale 1 is not provided with scales, and the first measuring scale 3 is provided with scales.
When the first embodiment crack monitoring ruler is used, the first measuring ruler 1 is placed on the surface of a component with cracks or gaps on the surface, the first measuring ruler 1 spans the cracks 8 (or gaps on the surface of the component), the first gasket 4 is placed at one end of the first measuring ruler 1, and then the first gasket 4 and one end of the first measuring ruler 1 are fixed on the surface of the component by a plurality of first expansion screws 5; then, a second measuring scale 3 is placed on the surface of the component, the scale on the second measuring scale 3 faces upwards, the first measuring scale 1 and the second measuring scale 3 are staggered up and down, namely the first measuring scale 1 and the second measuring scale 3 are partially overlapped, a second gasket 6 is placed at one end of the second measuring scale 3, the second gasket 6 and one end of the second measuring scale 3 are fixed on the surface of the component through a plurality of second expansion screws 7, the other end of the second measuring scale 3 faces the fixed end of the first measuring scale 1, and the fixed end of the first measuring scale 1 and the fixed end of the second measuring scale 3 are respectively positioned at two sides of a crack 8 on the surface of the component; paste first vernier scale 2 on first dipperstick 1, make the scale orientation second dipperstick 3 on the first vernier scale 2, and certain scale mark in the middle of on 0 scale mark on the first vernier scale 2 and the second dipperstick 3 aligns.
When component surface crack 8 enlarges, the main part at 8 both sides of component surface crack drives first dipperstick 1 and second dipperstick 3 and removes to opposite direction, and corresponding first vernier scale 2 and second dipperstick 3 also reverse movement, through observing the scale mark of the second dipperstick 3 that 0 scale mark on the first vernier scale 2 removed the back alignment, can know the expansion degree of component surface crack 8.
The utility model discloses the constitution and the application method of crack monitoring ruler second kind of embodiment are the same basically with the constitution and the application method of first embodiment crack monitoring ruler, like figure 3. The difference between the two is that: the second vernier scale 9 of 0.05mm accuracy is used in the second embodiment, so that the measurement accuracy of the monitoring scale of the second embodiment is 0.05 mm.
The utility model discloses the first embodiment of crack monitoring ruler and second embodiment homoenergetic are used for the less and lower member surface crack 8's of rate of change real-time supervision on the component of crack less.
The utility model discloses crack monitoring ruler third kind embodiment, including first dipperstick 1, second dipperstick 3, first gasket 4, second gasket 6, two at least first expansion screw 5 and two at least second expansion screw 7. The first measuring scale 1 is not provided with scales, and the first measuring scale 3 is provided with scales.
When using the crack monitoring ruler of the third embodiment, the first measuring ruler 1 is placed on the surface of the member having cracks or gaps on the surface, the first measuring ruler 1 spans the cracks 8 on the surface of the member, the first spacer 4 is placed at one end of the first measuring ruler 1, and then the first spacer 4 and one end of the first measuring ruler 1 are fixed on the surface of the member by the plurality of first expansion screws 5; the second measuring scale 3 is then placed on the surface of the member, the scale on the second measuring scale 3 is upward, and the first measuring scale 1 and the second measuring scale 3 are vertically displaced, that is, the first measuring scale 1 and the second measuring scale 3 are partially overlapped, as shown in fig. 4. Placing a second gasket 6 at one end of a second measuring scale 3, fixing the second gasket 6 and one end of the second measuring scale 3 on the surface of the component by using a plurality of second expansion screws 7, and enabling the other end of the second measuring scale 3 to face the fixed end of the first measuring scale 1, so that a certain middle scale mark on the second measuring scale 3 is aligned with the side edge of the free end of the first measuring scale 1; the fixed end of the first measuring scale 1 and the fixed end of the second measuring scale 3 are respectively positioned at two sides of the component surface crack 8.
When component surface crack 8 enlarges, the main part at 8 both sides of component surface crack drives first dipperstick 1 and second dipperstick 3 and removes to opposite direction, through observing the scale mark that second dipperstick 3 removed the back and align with first dipperstick 1 free end side, can know the expansion degree of component surface crack 8.
The scale on the second measuring scale 3 has a precision of 0.5mm in the third embodiment, which is used for monitoring a member with a large crack and a fast crack change rate or a crack (or gap) with a low precision.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In conclusion, it should be understood that engineering persons skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiment without departing from the spirit of the present invention.
Claims (2)
1. A novel simple crack monitoring ruler is characterized by comprising a measuring ruler without scales, a measuring ruler with scales and a measuring vernier, wherein the measuring ruler without scales is a first measuring ruler (1), the measuring ruler with scales is a second measuring ruler (3), the measuring vernier is a first vernier (2), and the monitoring ruler further comprises a first gasket (4), a second gasket (6), at least two first expansion screws (5) and at least two second expansion screws (7);
the first gasket (4) is connected with one end of the first measuring scale (1) through a plurality of first expansion screws (5); the first measuring scale (1) and the second measuring scale (3) are arranged in a vertically staggered mode, the first measuring scale (1) and the second measuring scale (3) can move oppositely and relatively, a first vernier scale (2) is adhered to the first measuring scale (1), the scale on the first vernier scale (2) faces the second measuring scale (3), and the 0 scale mark on the first vernier scale (2) is aligned with a middle scale mark on the second measuring scale (3); a second gasket (6) is placed at one end of the second measuring scale (3), and the second gasket (6) is connected with the second measuring scale (3) through a plurality of second expansion screws (7); the other end of the second measuring scale (3) faces the first gasket (4), and when the measuring scale is used, the first gasket (4) and one end of the first measuring scale (1) are fixed on the surface of a component through a plurality of first expansion screws (5); the one end of second gasket (6) and second dipperstick (3) is fixed on the component surface through a plurality of second inflation screws (7), and the stiff end of first dipperstick (1) and the stiff end of second dipperstick (3) are located the both sides of component surface crack (8) respectively.
2. A novel simple crack monitoring ruler is characterized by comprising a measuring ruler without scales and a measuring ruler with scales, wherein the measuring ruler without scales is a first measuring ruler (1), the measuring ruler with scales is a second measuring ruler (3), and the monitoring ruler further comprises a first gasket (4), a second gasket (6), at least two first expansion screws (5) and at least two second expansion screws (7);
the first gasket (4) is connected with one end of the first measuring scale (1) through a plurality of first expansion screws (5), the first measuring scale (1) and the second measuring scale (3) are arranged in a vertically staggered manner, the first measuring scale (1) and the second measuring scale (3) are partially overlapped, the first measuring scale (1) and the second measuring scale (3) can move oppositely and relatively, and a certain middle scale mark on the second measuring scale (3) is aligned with the side edge of the other end of the first measuring scale (1); when in use, one end of the first measuring scale (1) and the first gasket (4) are fixed on the surface of a component through a plurality of first expansion screws (5); first dipperstick (1) strides component surface crack (8), and the one end of second dipperstick (3) and second gasket (6) are fixed on the component surface through a plurality of second expansion screw (7), and the stiff end of first dipperstick (1) and the stiff end of second dipperstick (3) are located the both sides of component surface crack (8) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021046879.0U CN212902998U (en) | 2020-06-09 | 2020-06-09 | Novel simple crack monitoring ruler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021046879.0U CN212902998U (en) | 2020-06-09 | 2020-06-09 | Novel simple crack monitoring ruler |
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| CN212902998U true CN212902998U (en) | 2021-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686250A (en) * | 2021-09-23 | 2021-11-23 | 中建八局南方建设有限公司 | Building crack monitoring device and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686250A (en) * | 2021-09-23 | 2021-11-23 | 中建八局南方建设有限公司 | Building crack monitoring device and using method |
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