CN213068598U - Pendulum instrument and measuring tape thereof - Google Patents
Pendulum instrument and measuring tape thereof Download PDFInfo
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- CN213068598U CN213068598U CN202021991410.4U CN202021991410U CN213068598U CN 213068598 U CN213068598 U CN 213068598U CN 202021991410 U CN202021991410 U CN 202021991410U CN 213068598 U CN213068598 U CN 213068598U
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Abstract
The utility model discloses a pendulum-type appearance and measuring tape thereof, this measuring tape include the blade and set up first scale bar on the blade, be equipped with on the first scale bar and be used for showing the measuring object and contact the first scale mark of the face position deviation that awaits measuring under free state, the inclination one-to-one of deviation and the face that awaits measuring, wherein, the deviation represents the measuring object and contacts the face position deviation that awaits measuring under free state the deviation distance of first scale bar reference position. Under the condition of obtaining the inclination of the surface to be measured, the deviation corresponding to the inclination of the surface to be measured can be determined by arranging the first scale mark which is arranged on the first scale strip and used for displaying the position deviation of the object to be measured in a free state, so that the accuracy of the subsequent measurement of the friction coefficient of the surface to be measured is improved.
Description
Technical Field
The utility model relates to a technical field is measured on the road surface, in particular to pendulum-type appearance and measuring tape thereof.
Background
At present, a pendulum instrument is generally adopted to measure the friction coefficient of a road surface, and the pendulum instrument comprises a pendulum rod and a pendulum head arranged at the bottom of the pendulum rod. According to international regulations, when a pendulum instrument measures the friction coefficient of a road surface, a pendulum head needs to slide on the road surface for a preset length of distance, so that the sliding distance of the pendulum head needs to be measured by a measuring ruler. When a pendulum instrument is used to measure an inclined road surface, the position where the pendulum head contacts the road surface in a free state is not already the reference position of the measuring tape because of the inclination of the road surface, so that the pendulum instrument cannot subsequently accurately measure the friction coefficient of the road surface by means of a conventional measuring tape.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a pendulum-type instrument and a measuring tape thereof, which can solve the technical problem that the pendulum-type instrument in the prior art cannot follow-up measure the friction coefficient of the road surface accurately through the existing measuring tape on the slope road surface.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a measuring tape, is in including blade and setting first scale bar on the blade, be equipped with on the first scale bar and be used for showing that the measuring object contacts the first scale mark of the face position deviation volume that awaits measuring under the free state, the inclination one-to-one of deviation volume and the face that awaits measuring, wherein, the deviation volume shows that the measuring object contacts the face position deviation that awaits measuring under the free state the deviation distance of first scale bar reference position.
Wherein, the first scale bar is arranged on the length direction of the ruler body.
Wherein, first scale mark includes first starting point scale mark, first terminal point scale mark and sets up first starting point scale mark with scale mark in the middle of the first between the first terminal point scale mark, first starting point scale mark with be equipped with a plurality of equidistant first supplementary scale marks between the first terminal point scale mark, each be equipped with corresponding angle numerical value on the first supplementary scale mark, wherein, angle numerical value is followed first middle scale mark extremely the direction of first starting point scale mark increases in proper order and/or follows scale mark in the middle of first extremely the direction of first terminal point scale mark increases in proper order.
The measuring scale further comprises a second scale bar, the second scale bar is arranged on the scale body, second scale marks used for measuring the sliding length of a measuring object are arranged on the second scale bar, and the second scale marks on the second scale bar correspond to the first scale marks on the first scale bar.
The second scale marks comprise a second starting point scale mark, a second end point scale mark and a second middle scale mark arranged between the second starting point scale mark and the second end point scale mark, a plurality of second auxiliary scale marks which are equidistant are arranged between the second starting point scale mark and the second end point scale mark, corresponding length values are arranged on the second auxiliary scale marks, the length values are sequentially increased from the second starting point scale mark to the second end point scale mark, and the second middle scale mark is aligned with the first middle scale mark.
Wherein the division value on the first graduated scale and the division value on the second graduated scale are equal in length.
The measuring tape further comprises an indicator, and the indicator is arranged on the tape body and can slide along the first scale bar.
The indicator comprises a first indicator, a second indicator and a third indicator, the first indicator is arranged on the first starting point scale mark, the second indicator is arranged on the first end point scale mark, and the third indicator is arranged between the first starting point scale mark and the first end point scale mark.
The measuring scale further comprises a digital display inclinometer, the digital display inclinometer is arranged on the scale body and used for measuring the inclination of the surface to be measured.
The utility model provides another technical scheme does:
a pendulum instrument comprises the measuring tape.
Compared with the prior art, the utility model discloses following beneficial effect has:
under the condition of obtaining the inclination of the surface to be measured, the deviation corresponding to the inclination of the surface to be measured can be determined by arranging the first scale mark which is arranged on the first scale strip and used for displaying the position deviation of the object to be measured in a free state, so that the accuracy of the subsequent measurement of the friction coefficient of the surface to be measured is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a measuring tape according to an embodiment of the present invention;
fig. 2 is a schematic view of a measuring tape and a surface to be measured according to an embodiment of the present invention;
fig. 3 is a schematic view of a measuring tape and a surface to be measured according to an embodiment of the present invention.
10. Measuring a ruler; 1. a ruler body; 2. a first scale bar; 21. a first scale mark; 211. a first starting scale line; 212. a first end point scale mark; 213. a first intermediate tick mark; 214. a first auxiliary scale mark; 215. an angle value; 3. a second scale bar; 31. a second scale mark; 311. a second starting point tick mark; 312. a second end point scale mark; 313. a second middle tick mark; 314. a second auxiliary scale mark; 315. a length value; 4. a digital display inclinometer; 5. an indicator mark; 51. a first indicator; 52. a second indicator; 53. a third indicator; 20. and (6) a surface to be measured.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 3, in the present embodiment, a measuring tape 10 is provided, where the measuring tape 10 includes a tape body 1 and a first scale bar 2 disposed on the tape body 1, a first scale line 21 for displaying a position deviation amount of a measurement object contacting a surface to be measured 20 in a free state is disposed on the first scale bar 2, and the deviation amount corresponds to an inclination of the surface to be measured 20, where the deviation amount represents a deviation distance of the position of the measurement object contacting the surface to be measured 20 in the free state from a reference position of the first scale bar 2.
Under the condition of obtaining the inclination of the surface to be measured 20, the deviation corresponding to the inclination of the surface to be measured 20 can be determined by arranging the first scale mark 21 on the first scale bar 2, which is used for enabling a measuring object to contact the position deviation of the surface to be measured 20 in a free state, so that the accuracy of subsequently measuring the friction coefficient of the surface to be measured 20 is improved.
In this embodiment, the object to be measured is a pendulum bob on a pendulum device, and the surface 20 to be measured is a road surface.
In the present embodiment, the deviation amount is converted from the inclination of the surface 20 to be measured.
As shown in fig. 1, the reference position of the first scale bar 2 is a zero scale line.
The first scale bar 2 is provided in the length direction of the blade 1 so as to reduce the area of the measuring tape 10, thereby improving the portability of the measuring tape 10.
The first scale mark 21 includes a first start point scale mark 211, a first end point scale mark 212, and a first middle scale mark 213 disposed between the first start point scale mark 211 and the first end point scale mark 212, a plurality of equally spaced first auxiliary scale marks 214 are disposed between the first start point scale mark 211 and the first end point scale mark 212, and each first auxiliary scale mark 214 is provided with a corresponding angle value 215, wherein the angle values 215 sequentially increase from the first middle scale mark 213 to the first start point scale mark 211 and/or sequentially increase from the first middle scale mark 213 to the first end point scale mark 212. Through the first scale marks 21 arranged on the left side and the right side of the first scale bar 2, the measuring tape 10 can respectively determine the deviation distance of the position of a measured object contacting the surface 20 to be measured in a free state deviating from the reference position of the first scale bar 2 from the left direction and the right direction, so that the applicability of the measuring tape 10 is improved.
In this embodiment, the first middle tick mark 213 is a zero tick mark.
In the present embodiment, the distance from the first start point tick mark 211 to the first middle tick mark 213 is equal to the distance from the first end point tick mark 212 to the first middle tick mark 213.
In the present embodiment, the distance between two adjacent first auxiliary scale marks 214 is 1 mm.
In the present embodiment, the division value of the first scale bar 2 is 0.1 degree.
In the present embodiment, the range from the first middle graduation mark 213 to the first start graduation mark 211 is 10 degrees, and the range from the first middle graduation mark 213 to the first end graduation mark 212 is 10 degrees.
The measuring tape 10 further comprises a second graduated strip 3, the second graduated strip 3 is arranged on the tape body 1, a second scale mark 31 used for measuring the sliding length of a measured object is arranged on the second graduated strip 3, and the second scale mark 31 on the second graduated strip 3 and the first scale mark 21 on the first graduated strip 2 correspond to each other. When the deviation distance of the position of the measuring object contacting the surface to be measured 20 in the free state deviating from the reference position of the first scale strip 2 is determined, because the second scale strip 3 can measure the sliding length of the measuring object, and the second scale mark 31 on the second scale strip 3 and the first scale mark 21 on the first scale strip 2 correspond to each other, the position of the measuring object contacting the surface to be measured 20 in the free state can be quickly determined by aligning the first scale mark 21 corresponding to the deviation distance on the first scale strip 2 with the position of the measuring object contacting the surface to be measured 20 in the free state, and therefore the efficiency of subsequently measuring the friction coefficient of the surface to be measured 20 is improved.
The measuring range of the second scale bar 3 is a preset numerical value.
In this embodiment, the predetermined value is 126 mm.
The second scale mark 31 comprises a second start point scale mark 311, a second end point scale mark 312 and a second middle scale mark 313 arranged between the second start point scale mark 311 and the second end point scale mark 312, a plurality of second auxiliary scale marks 314 which are equally spaced are arranged between the second start point scale mark 311 and the second end point scale mark 312, each second auxiliary scale mark 314 is provided with a corresponding length value 314, the length values 314 increase in sequence from the second start point scale mark 311 to the second end point scale mark 312, and the second middle scale mark 313 is aligned with the first middle scale mark 213. When the deviation distance of the position of the measured object contacting the surface to be measured 20 in the free state deviating from the reference position of the first scale bar 2 is determined, the second scale bar 3 can measure the sliding length of the measured object, and the first middle scale line 213 and the second middle scale line 313 are aligned with each other, so that the positions of the measured object contacting the surface to be measured 20 on the left and right sides can be determined quickly by aligning the position of the measured object contacting the surface to be measured 20 in the free state with the first scale line 21 corresponding to the deviation distance on the first scale bar 2, and the efficiency of subsequently measuring the friction coefficient of the surface to be measured 20 is improved.
In this embodiment, the second start point tick mark 311 is a zero tick mark.
In the present embodiment, the distance between two adjacent second auxiliary scale marks 314 is 1 mm.
In this embodiment the index value of the second graduated strip 3 is 1 mm.
In this embodiment, the distance from the second start point tick mark 311 to the second intermediate tick mark 313 is equal to the distance from the second end point tick mark 312 to the second intermediate tick mark 313.
The division values on the first graduated strip 2 and the division values on the second graduated strip 3 are of equal length. When the deviation distance of the position of the measured object contacting the surface to be measured 20 in the free state, which deviates from the reference position of the first scale bar 2, is determined, because the second scale bar 3 can measure the sliding length of the measured object, and the lengths of the division values of the first scale bar 2 and the second scale bar 3 are equal, the first scale mark 21 corresponding to the deviation distance on the first scale bar 2 aligns with the position of the measured object contacting the surface to be measured 20 in the free state, so that the positions of the measured object contacting the surface to be measured 20 on the left and right sides can be determined quickly, and the efficiency of subsequently measuring the friction coefficient of the surface to be measured 20 is improved.
The measuring tape 10 further comprises a digital display inclinometer 4, the digital display inclinometer 4 is arranged on the tape body 1, and the digital display inclinometer 4 is used for measuring the inclination of the surface to be measured 20. By integrating the digital display inclinometer 4 on the measuring scale 10, the inclination of the surface to be measured 20 can be rapidly measured, so that the efficiency of subsequently measuring the friction coefficient of the surface to be measured 20 is improved.
The measuring tape 10 further comprises an indicator 5, wherein the indicator 5 is arranged on the tape body 1 and can slide along the first graduated strip 2. By sliding the indicator 5, the position of the indicator 5 on the first scale bar 2 can be adjusted, so that the indicator 5 can arbitrarily indicate the first scale mark 21 on the first scale bar 2, and the user can observe the indicator, thereby improving the user experience of the measuring tape 10.
The indicator 5 includes a first indicator 51, a second indicator 52, and a third indicator 53, the first indicator 51 being disposed on the first start point scale line 211, the second indicator 52 being disposed on the first end point scale line 212, and the third indicator 53 being disposed between the first start point scale line 211 and the first end point scale line 212.
The working principle is as follows:
for example, when a user needs to measure the friction coefficient of the surface 20 to be measured, as shown in fig. 2, if the inclination of the surface 20 to be measured is 0 degrees, which indicates that the surface 20 to be measured is a horizontal plane, at this time, the first scale line 21 corresponding to the inclination on the first scale bar 2 is 0 degrees, the zero scale line on the first scale bar 2 is aligned with the position where the measurement object contacts the surface 20 to be measured (the dotted line in fig. 2 indicates the position where the measurement object contacts the surface 20 to be measured in a free state), and then the second start scale line 311 and the second end scale line 312 on the second scale bar 3 are used to determine the positions where the measurement object contacts the surface 20 to be measured on the left and right sides, respectively (the solid line in fig. 2 indicates the positions where the measurement object contacts the surface 20 to be measured on the left and right sides. As shown in fig. 3, if the inclination of the surface 20 is 4 degrees, which means that the surface 20 is an inclined surface, at this time, the first scale line 21 corresponding to the inclination of 4 degrees on the first scale bar 2 is 4 degrees, the first scale line 21 corresponding to 4 degrees on the first scale bar 2 is aligned with the position where the object contacts the surface 20 (the dotted line in fig. 3 represents the position where the object contacts the surface 20 in a free state), and then the second start scale line 311 and the second end scale line 312 on the second scale bar 3 are used to determine the positions where the object contacts the surface 20 on the left and right sides, respectively (the solid line in fig. 3 represents the position where the object contacts the surface 20 on the left and right sides, respectively).
In one embodiment, a pendulum is provided comprising the measuring tape 10 of any of the embodiments described above.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a measuring tape, its characterized in that is in including blade and setting first scale bar on the blade, be equipped with on the first scale bar and be used for showing the measuring object and contact the first scale mark of the face position deviation volume that awaits measuring under the free state, the deviation volume and the gradient one-to-one of the face that awaits measuring, wherein, the deviation volume shows that the measuring object contacts the face position deviation that awaits measuring under the free state the deviation distance of first scale bar reference position.
2. The measuring tape according to claim 1, wherein the first scale bar is disposed in a lengthwise direction of the blade.
3. The measuring tape according to claim 1, wherein the first scale marks comprise a first start scale mark, a first end scale mark and a first middle scale mark arranged between the first start scale mark and the first end scale mark, a plurality of equally spaced first auxiliary scale marks are arranged between the first start scale mark and the first end scale mark, and each first auxiliary scale mark is provided with a corresponding angle value, wherein the angle values increase in sequence from the first middle scale mark to the first start scale mark and/or increase in sequence from the first middle scale mark to the first end scale mark.
4. The measuring tape according to claim 3, further comprising a second graduated scale, wherein the second graduated scale is disposed on the tape body, a second graduation mark for measuring the sliding length of the measuring object is disposed on the second graduated scale, and the second graduation mark on the second graduated scale and the first graduation mark on the first graduated scale correspond to each other.
5. The measuring tape according to claim 4, wherein the second scale marks comprise a second start scale mark, a second end scale mark and a second intermediate scale mark disposed between the second start scale mark and the second end scale mark, a plurality of equally spaced second auxiliary scale marks are disposed between the second start scale mark and the second end scale mark, each second auxiliary scale mark has a corresponding length value, the length values increase in a direction from the second start scale mark to the second end scale mark, and the second intermediate scale mark is aligned with the first intermediate scale mark.
6. A measuring tape according to claim 5 wherein the division on the first graduated scale and the division on the second graduated scale are of equal length.
7. The measuring tape according to claim 3, further comprising an indicator disposed on the tape body and slidable along the first scale bar.
8. The measuring tape of claim 7 wherein the indicator markings comprise a first indicator marking disposed on the first start tick mark, a second indicator marking disposed on the first end tick mark, and a third indicator marking disposed between the first start tick mark and the first end tick mark.
9. The measuring tape according to claim 1, further comprising a digital display inclinometer, the digital display inclinometer being disposed on the tape body for measuring the inclination of the surface to be measured.
10. A pendulum comprising a measuring tape according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991410.4U CN213068598U (en) | 2020-09-11 | 2020-09-11 | Pendulum instrument and measuring tape thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991410.4U CN213068598U (en) | 2020-09-11 | 2020-09-11 | Pendulum instrument and measuring tape thereof |
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| Publication Number | Publication Date |
|---|---|
| CN213068598U true CN213068598U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021991410.4U Active CN213068598U (en) | 2020-09-11 | 2020-09-11 | Pendulum instrument and measuring tape thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959940A (en) * | 2021-10-19 | 2022-01-21 | 交通运输部公路科学研究所 | Method and device for calibrating friction distance in polishing value measurement |
-
2020
- 2020-09-11 CN CN202021991410.4U patent/CN213068598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959940A (en) * | 2021-10-19 | 2022-01-21 | 交通运输部公路科学研究所 | Method and device for calibrating friction distance in polishing value measurement |
| CN113959940B (en) * | 2021-10-19 | 2023-10-24 | 交通运输部公路科学研究所 | Calibration method and device for friction distance in polishing value measurement |
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