CN203642852U - Building crack tracking and measuring device - Google Patents
Building crack tracking and measuring device Download PDFInfo
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- CN203642852U CN203642852U CN201320825901.5U CN201320825901U CN203642852U CN 203642852 U CN203642852 U CN 203642852U CN 201320825901 U CN201320825901 U CN 201320825901U CN 203642852 U CN203642852 U CN 203642852U
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Abstract
The utility model belongs to a building crack measuring device, and specifically discloses a building crack tracking and measuring device. The building crack tracking and measuring device comprises a main scale base, a main scale nut seat fixed on the main scale base, a main scale hinged to the main scale nut seat, a main scale screw threadingly connected with the main scale nut seat, a vernier scale base, a vernier scale nut seat fixed on the vernier scale base, and a vernier scale positioned on the vernier scale base. According to the building crack tracking and measuring device, the main scale base and the vernier scale base are respectively fixed at two sides of a building crack, and open wide grooves of the vernier scale and the main cable are fit with each other so that continuously-changed crack width can be tracked and measured, operation influences considered by a measurer can be prevented as much as possible, and the expansion condition of the crack is visually reflected; and the building crack tracking and measuring device is advantaged by simple structure and easy manufacture, and the device is not easily damaged.
Description
Technical field
The utility model relates to a kind of building cracks measuring instrument, is specifically related to a kind of building cracks tracking measurement instrument.
Background technology
In the test of long-term observation bridge or bridge load, the cracking of distress in concrete and development are parts very important in detecting.What existing Cracks on Concrete Bridge detector mainly used is crack microscope, can only directly measure the width in crack, and it cannot reflect the spread scenarios in crack intuitively.In long-term repeatedly measurement, microscopical measuring position, crack usually constantly changes due to gauger's operation and judgement, and in the time measuring, needs focusing, and measuring speed is slow.More real problem is that existing high-precision fracture detecting instrument is expensive, complex structure, also easily damage.
Utility model content
For above problem, the purpose of this utility model is to provide a kind of building cracks tracking measurement instrument, and it is simple in structure, it is convenient to measure, measuring position can immobilize, and constantly can accurately measure fracture width, and can also reflect by tracking measurement the spread scenarios in crack.
For reaching above object, the utility model is achieved by the following technical solutions.
A kind of building cracks tracking measurement instrument, is characterized in that, comprises main scale base, is fixed on the main scale nut seat on main scale base, is hinged on the main scale on main scale nut seat, and the main scale screw that is threaded of main scale nut seat; And vernier scale base, be fixed on the vernier scale nut seat on vernier scale base, be positioned at the vernier scale on vernier scale base; On described main scale, be provided with longitudinal opening sipes away from one end of main scale nut seat, opening sipes extends in main scale, the opening sipes shiding matching on vernier scale and main scale, and vernier scale blade inserts in the opening sipes on main scale; In described vernier scale blade, be also provided with longitudinal groove, described groove is enclosed within on described vernier scale nut seat, groove width and vernier scale nut seat equal diameters; Vernier scale is provided with the counterbore step being positioned on groove, and the central point of counterbore step is positioned on the center line of groove; Groove place vernier scale is hinged with vernier scale screw at described counterbore step place and vernier scale base, and described vernier scale screw is provided with the screw step mating with counterbore step; On described main scale base and vernier scale base end face, be respectively equipped with adhesive-layer.
The feature of technique scheme and further improvement:
Opening sipes edge on described main scale indicates multiple scale division values and equals the length scale mark of 1mm; The blade that described vernier scale stretches into opening sipes is marked with the length scale mark that multiple scale division values are less than 1mm; In the length scale mark of main scale length scale mark and vernier scale, include respectively corresponding distance of zero mark degree scale mark.
The edge of described main scale base is provided with the first semicircle cambered surface, and the first semicircle cambered surface is marked with first group of angle index line that multiple scale division values equal 1 °; The hinged end of described main scale is provided with the second semicircle cambered surface, the radius of the second semicircle cambered surface is less than the first semicircle cambered surface, in the second semicircle cambered surface on main scale, be provided with second group of angle index line that multiple scale division values are less than 1 °, in described first group of angle index line and second group of angle index line, include respectively corresponding zero degree scale mark.
The beneficial effects of the utility model are, main scale base and vernier scale base are separately fixed to building cracks both sides, main scale is hinged on main scale base, when vernier scale is adjusted to the state of relative vernier scale base sliding, utilize vernier caliper measurement principle, moving cursor chi, the scale division value by vernier scale and main scale high scale poor, completes the accurate measurement of fracture.When vernier scale is adjusted to the state being hinged on vernier scale base, by building crackle automatic expansion, pull open main scale and vernier scale that hinged base is separately fixed at both sides, crack, only need regularly carry out reading, both the fracture width in can tracking measurement constantly changing, avoid as much as possible gauger to think and the impact of operation reflected intuitively the spread scenarios in crack.And building cracks tracking measurement instrument of the present utility model is simple in structure, easy to manufacture, not fragile.
Accompanying drawing explanation
Below by the drawings and specific embodiments, the utility model is further detailed:
Fig. 1 is the Facad structure schematic diagram of a kind of building cracks tracking measurement instrument of the present utility model;
Fig. 2 is that Fig. 1 is at B-B place schematic cross-section;
Fig. 3 is that Fig. 1 is at C-C place schematic cross-section;
Fig. 4 is that Fig. 1 is at A-A place schematic cross-section.
In above figure: 1, main scale base; 2, main scale screw; 3, main scale; 4, vernier scale; 5, vernier scale screw; 6, groove; 7, counterbore step; 8, vernier scale base; 9, screw step; 10, adhesive-layer; 11, vernier scale nut seat; 12, main scale nut seat.
Embodiment
With reference to figure 1, Fig. 2 and Fig. 3, a kind of building crackle tracking measurement instrument of the present utility model, its main scale nut seat (12) is fixed on main scale base (1), main scale (3) is hinged on the main scale nut seat (12) of main scale base (1), and main scale screw (2) and main scale nut seat (12) are threaded.It is upper that its vernier scale nut seat (11) is fixed on vernier scale base (8), and vernier scale base (8) is provided with vernier scale (4).
Wherein, the upper one end of main scale (3) is provided with longitudinal opening sipes, and opening sipes extends in main scale (3), the opening sipes shiding matching on vernier scale (4) and main scale (3), and vernier scale (4) blade inserts in the opening sipes on main scale (3).
In vernier scale (4) blade, be also provided with longitudinal groove (6), it is upper that groove (6) is enclosed within vernier scale nut seat (11), groove (6) width and vernier scale nut seat (11) equal diameters.Vernier scale (4) is provided with the counterbore step (7) being positioned on groove (6), and the central point of counterbore step (7) is positioned on the center line of groove (6).The diameter of counterbore step (7) is greater than the width of groove (6).Vernier scale (4) is located to be hinged with vernier scale screw (5) with vernier scale base (8) at counterbore step (7), and vernier scale screw (5) is provided with the screw step (9) mating with counterbore step (7).On main scale base (1) and vernier scale base (8) bottom surface, be respectively equipped with adhesive-layer (10).
With reference to figure 4, on the cross section of the opening sipes on main scale (3), be preferably provided with groove, vernier scale (4) blade cross section be provided with stretched into opening sipes cross section on the projection that matches of groove.Like this, vernier scale (4) and main scale (3) can not depart from each other in miter square face direction.
Be similar to common vernier caliper, a kind of building crackle tracking measurement instrument of the present utility model, the opening sipes edge on its main scale (3) indicates multiple scale division values and equals the length scale mark of 1mm; The blade that vernier scale (4) stretches into opening sipes is marked with the length scale mark that multiple scale division values are less than 1mm.In the length scale mark of the length scale mark of main scale (3) and vernier scale (4), include respectively corresponding distance of zero mark degree scale mark.
Be similar to common vernier protractor, a kind of building crackle tracking measurement instrument of the present utility model, the edge of its main scale base (1) is provided with the first semicircle cambered surface, and the first semicircle cambered surface is marked with first group of angle index line that multiple scale division values equal 1 °; The hinged end of main scale (3) is provided with the second semicircle cambered surface that radius is relatively little, is provided with second group of angle index line that multiple scale division values are less than 1 ° in the second semicircle cambered surface on main scale (3).In angle index line in the semicircle cambered surface in above two places, include respectively zero graduation line.Zero graduation line lays respectively at the middle position of all angle indexs in the semicircle cambered surface in place.
For exemplary illustration a kind of building cracks tracking measurement instrument of the present utility model clearly, here first determine that opening sipes edge on main scale (3) indicates 105 scale division values and equal the length scale mark of 1mm, wherein, from left to right the 5th be distance of zero mark degree scale mark.The blade that vernier scale (4) stretches into opening sipes is marked with the length scale mark that 50 scale division values are 0.98mm, and distance of zero mark degree scale mark is positioned at vernier scale (4) blade foremost.The measuring accuracy of hence one can see that a kind of building cracks tracking measurement instrument of the present utility model is 0.02mm.
The first semicircle cambered surface of determining again the edge of main scale base (1) is marked with the angle index line that 90 scale division values equal 1 °; The second semicircle cambered surface on main scale (3) is marked with the angle index line that 40 scale division values equal 0.95 °, zero degree scale mark in above two semicircle cambered surfaces lays respectively at the centerline of the semicircle cambered surface at its place, and the angle index line quantity on center line both sides equates respectively.The measurement of angle degree of accuracy of the gap propagation direction of hence one can see that a kind of building cracks tracking measurement instrument of the present utility model is 0.05 °.
Before use, first vernier scale screw (5) is screwed in vernier scale nut seat (11), the screw step (9) that guarantees vernier scale spiral shell (5) enters in the counterbore step (7) on vernier scale (4), upper main scale (3) distance of zero mark degree scale mark is alignd with the distance of zero mark degree scale mark on vernier scale (4).Zero degree scale mark in the first semicircle cambered surface that zero degree scale mark in the second semicircle cambered surface on main scale (3) also will align on main scale base (1) simultaneously.
In use, main scale base (1) and vernier scale base (8) are attached to both sides, crack by adhesive-layer (10) respectively, in the time pasting main scale base (1), guarantee that the distance of zero mark degree scale mark on main scale (3) aligns with the edge, crack of its place side.Again vernier scale base (8) is attached in the plane on right side, crack.Like this, crack changes later, must expand or dwindle the distance between main scale base (1) and vernier scale base (8), between main scale (3) and vernier scale (4), also can produce slip, by reading the scale on vernier scale (4) and main scale (3), just can draw the air line distance that crack expands or dwindles.By reading the scale in the first semicircle cambered surface on scale and the main scale base (1) in the second semicircle cambered surface on main scale (3), just can draw the angle of the propagation direction in crack.Crack expand or the air line distance of dwindling as the hypotenuse length of side of right-angle triangle, the angle of the propagation direction in crack is as an acute angle of right-angle triangle, use just profound theorem and Yu Xuan theorem can draw crack in the horizontal direction with vertical direction on displacement.The digital difference going out at multiple interlude point measurements just can reflect the spread scenarios in surveyed crack.
To first measure the width of crack when initial, be noted that, must first unscrew vernier scale screw (5), allow screw step (9) depart from counterbore step (7), now, vernier scale (4) loses hinged relationship with vernier scale base (8), then just can, at the upper slip vernier scale (4) of vernier scale base (8), the distance of zero mark degree scale mark of vernier scale (4) be alignd with the edge of crack opposite side.Now can read the initial width in crack.If measure again crack propagation situation after wanting, recover the hinged relationship between vernier scale (4) and vernier scale base (8).
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also comprises these changes and modification interior.
Claims (3)
1. a building cracks tracking measurement instrument, it is characterized in that, comprise main scale base (1), be fixed on the main scale nut seat (12) on main scale base (1), be hinged on the main scale (3) on main scale nut seat (12), and the main scale screw (2) that is threaded of main scale nut seat (12); And vernier scale base (8), be fixed on the vernier scale nut seat (11) on vernier scale base (8), be positioned at the vernier scale (4) on vernier scale base (8); Described main scale (3) is upper is provided with longitudinal opening sipes away from one end of main scale nut seat (12), opening sipes extends in main scale (3), opening sipes shiding matching on vernier scale (4) and main scale (3), vernier scale (4) blade inserts in the opening sipes on main scale (3); In described vernier scale (4) blade, be also provided with longitudinal groove (6), it is upper that described groove (6) is enclosed within described vernier scale nut seat (11), groove (6) width and vernier scale nut seat (11) equal diameters; Vernier scale (4) is provided with the counterbore step (7) being positioned on groove (6), and the central point of counterbore step (7) is positioned on the center line of groove (6); Groove (6) place vernier scale (4) is located to be hinged with vernier scale screw (5) with vernier scale base (8) at described counterbore step (7), and described vernier scale screw (5) is provided with the screw step (9) mating with counterbore step (7); On described main scale base (1) and vernier scale base (8) bottom surface, be respectively equipped with adhesive-layer (10).
2. a kind of building cracks tracking measurement instrument as claimed in claim 1, is characterized in that, the opening sipes edge on described main scale (3) indicates multiple scale division values and equal the length scale mark of 1mm; The blade that described vernier scale (4) stretches into opening sipes is marked with the length scale mark that multiple scale division values are less than 1mm; In the length scale mark of main scale (3) length scale mark and vernier scale (4), include respectively corresponding distance of zero mark degree scale mark.
3. a kind of building cracks tracking measurement instrument as claimed in claim 1, is characterized in that, the edge of described main scale base (1) is provided with the first semicircle cambered surface, and the first semicircle cambered surface is marked with first group of angle index line that multiple scale division values equal 1 °; The hinged end of described main scale (3) is provided with the second semicircle cambered surface, the radius of the second semicircle cambered surface is less than the first semicircle cambered surface, in the second semicircle cambered surface on main scale (3), be provided with second group of angle index line that multiple scale division values are less than 1 °, in described first group of angle index line and second group of angle index line, include respectively corresponding zero degree scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825901.5U CN203642852U (en) | 2013-12-13 | 2013-12-13 | Building crack tracking and measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825901.5U CN203642852U (en) | 2013-12-13 | 2013-12-13 | Building crack tracking and measuring device |
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| CN203642852U true CN203642852U (en) | 2014-06-11 |
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| CN201320825901.5U Expired - Fee Related CN203642852U (en) | 2013-12-13 | 2013-12-13 | Building crack tracking and measuring device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596395A (en) * | 2015-02-12 | 2015-05-06 | 郑州大学 | Earth-sheltered dwelling vault crack width monitoring device |
| CN106643447A (en) * | 2016-12-31 | 2017-05-10 | 长江三峡勘测研究院有限公司（武汉） | Vernier type crack measuring meter for crack deformation monitoring and using method thereof |
| CN106767360A (en) * | 2016-12-31 | 2017-05-31 | 长江三峡勘测研究院有限公司（武汉） | A kind of digital vernier formula crack gauge and its application method for Fracture Deformation monitoring |
| CN106839955A (en) * | 2017-03-14 | 2017-06-13 | 中国电建集团西北勘测设计研究院有限公司 | A kind of Three-direction gap detector and method for monitoring concrete structure relative deformation |
| CN108180813A (en) * | 2018-02-05 | 2018-06-19 | 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） | House wall crack paster and house crack monitoring method |
| CN108731570A (en) * | 2017-04-21 | 2018-11-02 | 兰州兰石重型装备股份有限公司 | A kind of pitch-row size detection vernier scale and application method |
| CN113916089A (en) * | 2021-08-20 | 2022-01-11 | 中国二十冶集团有限公司 | Micro crack observation device and crack analysis and evasion method |
| CN114136176A (en) * | 2021-09-08 | 2022-03-04 | 南昌工学院 | Measurable quantity wall body crack device |
-
2013
- 2013-12-13 CN CN201320825901.5U patent/CN203642852U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596395A (en) * | 2015-02-12 | 2015-05-06 | 郑州大学 | Earth-sheltered dwelling vault crack width monitoring device |
| CN106643447A (en) * | 2016-12-31 | 2017-05-10 | 长江三峡勘测研究院有限公司（武汉） | Vernier type crack measuring meter for crack deformation monitoring and using method thereof |
| CN106767360A (en) * | 2016-12-31 | 2017-05-31 | 长江三峡勘测研究院有限公司（武汉） | A kind of digital vernier formula crack gauge and its application method for Fracture Deformation monitoring |
| CN106839955A (en) * | 2017-03-14 | 2017-06-13 | 中国电建集团西北勘测设计研究院有限公司 | A kind of Three-direction gap detector and method for monitoring concrete structure relative deformation |
| CN108731570A (en) * | 2017-04-21 | 2018-11-02 | 兰州兰石重型装备股份有限公司 | A kind of pitch-row size detection vernier scale and application method |
| CN108180813A (en) * | 2018-02-05 | 2018-06-19 | 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） | House wall crack paster and house crack monitoring method |
| CN113916089A (en) * | 2021-08-20 | 2022-01-11 | 中国二十冶集团有限公司 | Micro crack observation device and crack analysis and evasion method |
| CN114136176A (en) * | 2021-09-08 | 2022-03-04 | 南昌工学院 | Measurable quantity wall body crack device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141213 |
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| EXPY | Termination of patent right or utility model |