CN206479112U - Measurement apparatus - Google Patents

Abstract

The utility model is related to a kind of measurement apparatus, and the measurement apparatus includes at least one micrometer piece, and also includes：Overhead, the overhead linearly extends；Supporting member, the supporting member is connected with the overhead, and the overhead is supported in measuring surface；Wherein, the micrometer piece includes perforate in it, and the overhead passes through the perforate, is attached to enabling the micrometer piece to cover on the overhead, and the micrometer piece can swing to measurement position relative to the overhead.The dimensional measurement of small space can be realized by the measurement apparatus.

Description

Measurement apparatus

Technical field

The utility model is related to a kind of measurement apparatus, especially a kind of measurement apparatus for small space.

Background technology

Development, batch production or maintenance period in aircraft is, it is necessary to carry out the measurement of size for small space.For example, Need to measure the back gauge etc. between the internal diameter or holes of pore during aircraft maintenance.However, in this small space, behaviour Author is difficult to the hands operational measure instrument and it is measured.Especially, often there is illumination deficiency in this small space The problem of so that correct measure-ment becomes increasingly difficult.

In fields of measurement, it is known that there are the various measurement accuracy such as ruler, tape measure, slide measure, micrometer caliper different Survey tool.However, these survey tools have higher requirements to operating environment around, while being not easy in aircraft development and dimension The scene of repairing fast and accurately is measured.For example, although micrometer caliper is the instrument of the measurement length more accurate than slide measure, Length, which is surveyed, with it can be accurate to 0.01mm, but its volume is larger, is not easy to be operated in small space.

It is also known that the gauge (also referred to as clearance gauge) being made up of one group of stalloy for having different-thickness differential.Plug Chi can be used for measurement gap size or other spacing dimensions.Examine measured size it is whether qualified when, also can by proofer according to Tightness that clearance gauge coordinates with measured surface judges.However, in aircraft in many small spaces to be measured, operator It is difficult to the hands while operating this clearance gauge or the accurate of clearance gauge measurement can not be ensured in the case of one-handed performance reluctantly Degree.

Therefore, existing various measurement means and survey tool can not be met in small space underlit on aircraft The dimensional measurement and inspection requirements of object.

Utility model content

The utility model is related to a kind of measurement apparatus, and the measurement apparatus includes at least one micrometer piece, and also wraps Include：Overhead, the overhead linearly extends；Supporting member, the supporting member is connected with the overhead, should Overhead is supported in measuring surface；Wherein, the micrometer piece includes perforate in it, and the overhead passes through the perforate, so that Obtain the micrometer piece and can cover and be attached on the overhead, and the micrometer piece can swing to measurement position relative to the overhead.Borrow The measurement apparatus is helped to realize the dimensional measurement of small space.Especially, this measurement apparatus can also realize convenient operation, Improve the purpose of measurement efficiency.

Particularly, the measurement apparatus may also include bottom member, and the overhead linearly extends, and and overhead It is parallel but in vertical direction and misalignment, and than overhead closer to the measuring surface.

Advantageously, bottom member includes scale.In this case, the micrometer piece can be swung to relative to the overhead The correction position different from the measurement position, in the correction position, the micrometer piece is held on the bottom member.By that will borrow Help the measurement that the bottom member is realized compared with the result measured by micrometer piece, the correction to measurement result is realized, so as to carry The degree of accuracy of high dimensional measurement.

Advantageously, the supporting member of the measurement apparatus includes connecting elements, and connecting elements is arranged to connect overhead With bottom member.Thus, connecting elements can realize being stably connected between overhead and bottom member.

For example, overhead can include scale.Can not only be realized using these scales conventional dimensional measurement (without Micrometer piece), the correction of result can also be measured in the case where being measured using micrometer piece.

In some cases, the bottom member includes the first bottom member and the second bottom member, and the connecting elements should First bottom member, second bottom member and the overhead connect into prism-shaped framework, in the correction position, should Micrometer piece is held on one of first bottom member and second bottom member.

Advantageously, the connecting elements include respectively first bottom member, second bottom member and this at the top of Make the crossbeam that three connects at longitudinal two ends of component.

Particularly advantageously, in the prism-shaped framework, first bottom member and second bottom member are on this Overhead is is arranged symmetrically, the equal length of first bottom member, second bottom member and the overhead.So A kind of arrangement being in admirable proportion can be obtained, so as to realize reliable supporting and the stably measured of size of measurement apparatus.

It is preferred that Longitudinal extending of the perforate of micrometer piece along micrometer piece, and it is configured so that overhead in micrometer piece Perforate in lengthwise position can change.Thus, it is possible to adjust the position relationship between overhead and micrometer piece, so that right Different sizes, the measurement object of such as different depth carry out dimensional measurement.

Especially, the length of micrometer piece is more than the air line distance between overhead and bottom member, to cause in correction Micrometer piece reliably can be held on bottom member in position.

Advantageously, the cross section of the overhead is circle, in order to which micrometer piece is pivoted about.

In addition, the micrometer piece can be moved freely through along the longitudinal direction of the overhead, in order to relative to measurement position More rapidly position.

It is preferred that in the measurement apparatus, being particularly additionally provided with its supporting member for being carried out to measurement space The switchable light source of illumination, so as to meet the dimensional measurement demand to illuminating not good measuring environment.

In addition, sucker can be provided with the bottom member, the measurement apparatus is fixed in the measuring surface.For example, working as When measurement apparatus is placed on roof, it is possible to use the sucker still reliably inhales measurement apparatus on roof.

Particularly advantageously, in the measurement position of micrometer piece, micrometer piece is oriented vertical with measuring surface.

Brief description of the drawings

Fig. 1 schematically illustrates a kind of structure of typical micrometer piece；

Fig. 2 schematically illustrates the construction of a specific embodiment according to measurement apparatus of the present utility model；

Fig. 3 schematically illustrates the left view of one embodiment according to Fig. 2；

Fig. 4 schematically illustrates the stereogram of one embodiment according to Fig. 2, wherein, micrometer piece is in measurement position；

Fig. 5 schematically illustrates the left view of another specific embodiment according to measurement apparatus of the present utility model；And

Fig. 6 schematically illustrates the left view of another specific embodiment according to measurement apparatus of the present utility model.

Embodiment

In the utility model, " longitudinal direction " refers to the direction of longest dimension in each three-dimensional dimension of object, usually length Direction.For example, the longitudinal direction of straight-bar is its length direction, the longitudinal direction of disk is its diametric(al) etc..In addition, in the utility model In, " vertical " also includes essentially or approximately vertical/parallel implication with " parallel " in addition to completely vertical/parallel implication.

In addition, in the utility model, " top " and " bottom " only describes a kind of relative position relation, especially in measurement Position relationship in positions/conditions, rather than absolute physical position.For example, when being positioned in horizontal measuring surface, being in The element at " top " is generally greater than the element in " bottom ".But those skilled in the art are clearly understood that, work as measuring surface During for such as roof, then " bottom " refers to closer in the position of measuring surface, and further from the position of measuring surface, i.e., " top " be Element in " top " is less than the element in " bottom " on the contrary in terms of absolute position.

Similarly, in the utility model, "up" and "down" also only describes a kind of relative position relation.Specifically, " on " refer to locus further from measuring surface, and " under " refer to locus closer to measuring surface.

It is worth noting that, in the utility model, measuring surface can refer to measurement plane, but it is also possible to refer to absolute Surface in coordinate system to tilt or being at an angle of.For example, when measuring surface is roof, it is with respect to the horizontal plane to incline that roof, which can be, Oblique any surface.

Rectangular sheet (as shown in fig. 1) is not limited to according to the shape of micrometer piece of the present utility model, but can be this The chip component (for example, circle, ellipse etc.) for any shape that art personnel can be appreciated.The thickness of micrometer piece can Different size is selected with the requirement of the measurement accuracy according to region to be measured.For example, micrometer piece can have 0.02 millimeter to 3 millis Any thickness between rice.Generally, the material of micrometer piece is stainless steel, but not limited to this can be adapted for appointing for measuring environment What material, plastics etc..

Although being particularly suitable for use in the measuring environment of small space according to measurement apparatus of the present utility model, not limited to this, I.e. it also can be completely used for the application scenario of normal size measurement.

Overhead 10 is included according to measurement apparatus of the present utility model, the overhead 10 is linear extension, preferably For straight-bar.The overhead 10 can include the scale of measurement size.

Measurement apparatus includes supporting member, and supporting member is connected with overhead 10, and overhead 10 is supported on into survey On amount face, it is especially reliable and be stably supported in measuring surface.It is understood that the form of supporting member can have many Kind, as long as realize supporting overhead in any shape and the component of size in measuring surface, such as support rod, support rod, Especially there is elongated wire rod of certain rigidity etc. within protection domain of the present utility model.

Measurement apparatus can also include bottom member 20, and the bottom member 20 is also linear extension, preferably straight-bar.Class As, the bottom member 20 can include the scale of measurement size.It is understood that overhead 10 and bottom member 20 are preferred Ground includes scale, and graphicaccess scale is identical.Overhead 10 is extended parallel to each other with bottom member 20.

According to micrometer piece 30 of the present utility model, the perforate of the preferably insertion of multiple micrometer pieces 30 including position in the inner 32.Being dimensioned to for the perforate 32 at least can be so that overhead 10 be passed through, to allow 30 sets of micrometer piece to be attached to On the overhead 10, and can be along the free to move longitudinally of overhead 10.

Now, the cross section of overhead 10 is preferably circle, or overhead 10 is cylinder, in order to be sleeved on Micrometer piece 30 thereon can freely be pivoted around the overhead.But the shape of cross section not limited to this of overhead, especially when When the size of the perforate 32 of micrometer piece 30 is larger relative to the outside dimension of overhead.

It is preferred that micrometer piece 30 is the form of rectangular sheet, Longitudinal extending of the perforate 32 along the rectangle.Especially it is preferred that Perforate 32 is extended near at longitudinal two ends of micrometer piece, (that is, is hung down relative to the longitudinal direction of overhead 10 with obtaining micrometer piece 30 Directly in the bearing of trend of overhead 10) maximum changing range of position.

When measurement apparatus is positioned over into measuring surface or areas adjacent to be measured, bottom member 20 is located under overhead Side, but be not immediately below it.Because micrometer piece 30 can turn to its measurement position relative to overhead 10.Especially Advantageously, in the measurement position, micrometer piece 30 is oriented vertical with measuring surface.If bottom member 20 is arranged on top structure The underface of part, then will hinder to measure to micrometer piece 30.Therefore, bottom member 20 be located at overhead below and with its water Put down position spaced apart.

Micrometer piece 30 can be attached to thereon from longitudinal end set of overhead 10.It is contemplated that multiple micrometer pieces 30 It just can one by one cover and be attached on overhead 10 in the preparatory stage of measurement, it is standby to make.Multiple micrometer pieces 30 are along overhead 10 longitudinal length is sequentially arranged.Because the thickness of micrometer piece 30 can have plurality of specifications, therefore, the micrometer piece 30 of plurality of specifications It can be combined when measuring size, with as close possible to size to be measured.

After 30 sets of micrometer piece is attached on overhead 10, except can along overhead 10 it is free to move longitudinally it Outside, micrometer piece 30 can also freely be pivoted by its perforate 32 relative to overhead 10 (centered on overhead 10), and It is pivoted to measurement position.

In addition, micrometer piece 30 can be also pivoted in the other positions in addition to measurement position relative to overhead 10, For example in correction position (as will be described in more detail).

When the bottom member 20 is comprising the scale for measuring size, in correction position, micrometer piece 30 can be resisted against On bottom member 20.It is understood that the length of micrometer piece 30 should be not less than between overhead 10 and bottom member 20 Air line distance, that is, ensure that micrometer piece 30 can be contacted when being pivoted around overhead 10 with bottom member 20.

In addition, in the situation that the measurement apparatus includes overhead 10 and bottom member 20, the supporting structure of measurement apparatus Part may include connecting elements 40, and the connecting elements 40 is used to connect overhead 10 parallel to each other and bottom member 20, and Also overhead 10 and bottom member 20 are stably supported in measuring surface.

In one embodiment, bottom member 20 can also be implemented into including multiple components, such as the first bottom member 20a With the second bottom member 20b, as shown in Figure 2.Connecting elements 40 can be by the first bottom member 20a, the second bottom member 20b And overhead 10 connects into prism-shaped framework (referring to Fig. 2).In measurement position, micrometer piece 30 only needs to be held on first On one of bottom member 20a and the second bottom member 20b, for example, on the first bottom member 20a on right side i.e. Can.

Those skilled in the art can be fully understood that prism framework is not limited to the form of triangular prism, as long as comprising extremely A few overhead 10 and at least one bottom member 20 are used as a seamed edge in prism.In addition, prism framework Can fully it meet so that measurement apparatus is stably placed at the requirement in measuring surface.

It is preferred that overhead 10 is that at least one end is dismountable relative to prism framework, in order at any time can root 30 sets of the micrometer piece of all size is attached to thereon according to situation, so as to meet different measurement size requirements.

It is contemplated that in the case of above-mentioned prism-shaped framework, connecting elements 40 is included respectively in the first bottom structure Make the crossbeam 50 that three connects at longitudinal two ends of part 20, the second bottom member 20 and overhead 10.It is particularly advantageous , the first bottom member 20 and the second bottom member 20, to be arranged symmetrically, and cause the first bottom on overhead 10 Identical length of component 20, the second bottom member 20 and overhead 10 etc..

Especially preferably, as illustrated in figs. 1 and 6, the cross section of prism-shaped framework is (i.e., along the longitudinal direction of overhead 10 The section taken) it is isosceles triangle, and it is used as using overhead 10 drift angle of isosceles triangle.Particularly, the drift angle is big In 60 degree, such as 120 degree.It is understood that when the corner angle is larger, whole measurement apparatus can present more flat Construction, so as to preferably be positioned in small space.But the utility model not limited to this, can also be configured to non-isosceles three The prism-shaped framework of angular (as shown in Figure 5) or even non-triangular or even other polygon prism frameworks.

In some cases, as shown in Figure 6, the section of bottom member 20 can also be isosceles triangle, to be conducive to Stably it is supported in measuring surface.However, the cross section of bottom member 20 can have any shape.It is however preferable that bottom structure At least a portion (for example, surface on the right side of direction in Fig. 2 and 3) of part 20 on the surface towards outside includes flat table Face, moves freely along the flat surfaces in order to micrometer piece 30 and the reading (if any) on bottom member 20 is entered Row is read.For example, in figure 6 in shown cross-sectional view, the flat surfaces are shown as the isosceles triangle of bottom member 20 Right side hypotenuse.

In order to be illuminated in measuring environment, according to measurement apparatus of the present utility model can also provided with light source (and Its switch, circuit etc., not shown in figure).The light source can be for example arranged in the supporting member of measurement apparatus.Especially, The light source may be provided on the foregoing connecting elements 40 for implementing into crossbeam, i.e., the longitudinal direction positioned at overhead 10 and bottom member 20 At two ends.It is preferred that the light source can be switched, i.e., just opened when needing to be illuminated and illuminate measured zone.

In addition, in order to preferably be fixed in measuring surface to avoid due to measurement apparatus the measurement brought of rocking in itself from missing Difference, can be provided with sucker on bottom member 20, to be adsorbed onto in measurement object/plane, in order to which operator carries out one hand Operation.

Next, illustrating how to measure size by according to measurement apparatus of the present utility model in detail.

If the measurement to small size in small space inner groovy, then can give full play to advantage of the present utility model： First according to measurement request, it (can be multi-disc that is a piece of, can also being identical or different specification to choose suitable micrometer piece 30 Combination), then measurement apparatus is placed in measuring surface, object/areas adjacent to be measured is for example fixed on.Secondly, by micrometer Piece 30 is pivoted to measurement position around overhead 10, for example, be pivoted in the orientation vertical with measuring surface.Then, in order to adapt to Different measurement requests (for example, if to go deep into measuring in groove), micrometer piece is longitudinally sliding along its own on demand It is dynamic.For example, the internal diameter in order to measure pore, can put in micrometer piece among the groove of internal diameter to be measured, or in order to measure Micrometer piece, can be placed into hole boundary to be measured by (most short) back gauge between two holes.Finally, by micrometer piece ( Combination) read measurement size, complete measurement.

, can also be by of the present utility model after measurement is completed using micrometer piece 30 in order to realize more high accuracy Measurement apparatus is corrected.Now, micrometer piece 30 is pivoted to correction position around overhead 10, that is, is held on bottom structure On part 20.Thus, it is possible to by the scale reading on overhead 10 and/or bottom member 20 and the chi that is read by micrometer piece 30 It is very little to compare.If for same measured body, two numerals are variant, then need adjustment micrometer piece 30, re-start measurement.

When being equipped with scale on bottom member 20 and overhead 10, it can be ensured that micrometer piece 30 hangs down relative to them Directly vertically move, without producing beat, so as to influence measurement accuracy.Especially, in this case, it is possible to so that read measurement Several corrections is more accurate, to also achieve the demand accurately measured on the premise of simple in construction and easily operated.

In addition, when carrying out conventional planar dimension measurement aboard, can also directly only with bottom member 20 (if If) measure.

In addition, if testee ambient lighting environment is not good, the light source that can first open in supporting member is opened Close, be preferably the light source switch at the two ends of prism framework.So far, it also can just realize and carry out size to illuminating not good region Measurement.

Presently preferred embodiments of the present invention is presently believed to be although having shown and described, those skilled in the art should manage Solve benefit from the present invention can carry out various additional changes and change, without departing from this hair limited by described claims Bright scope.For example, measurement apparatus of the present utility model can be used for space in addition to aircraft, especially small space Dimensional measurement.

Claims (16)

1. a kind of measurement apparatus, the measurement apparatus includes at least one micrometer piece, it is characterised in that also include：

Overhead, the overhead linearly extends；

Supporting member, the supporting member is connected with the overhead, and the overhead is supported in measuring surface；

Wherein, the micrometer piece includes perforate in it, and the overhead passes through the perforate, to enable the micrometer piece Set is attached on the overhead, and the micrometer piece can swing to measurement position relative to the overhead.

2. measurement apparatus as claimed in claim 1, it is characterised in that also including bottom member, the overhead is linear Ground extends, and the bottom member is parallel with the overhead but misalignment in vertical direction, and than the overhead Closer to the measuring surface.

3. measurement apparatus as claimed in claim 1, it is characterised in that the overhead includes scale.

4. measurement apparatus as claimed in claim 2, it is characterised in that the bottom member includes scale.

5. measurement apparatus as claimed in claim 4, it is characterised in that the micrometer piece can be swung relative to the overhead To the correction position different from the measurement position, in the correction position, the micrometer piece is held on the bottom member On.

6. measurement apparatus as claimed in claim 2, it is characterised in that the supporting member includes connecting elements, the connection Component is arranged to connect the overhead and the bottom member.

7. measurement apparatus as claimed in claim 5, it is characterised in that the supporting member includes connecting elements, the connection Component is arranged to connect the overhead and the bottom member, and the bottom member includes the first bottom member and the second bottom Portion's component, the connecting elements connects into first bottom member, second bottom member and the overhead Prism-shaped framework, in the correction position, the micrometer piece is held on first bottom member and second bottom On one of component.

8. measurement apparatus as claimed in claim 7, it is characterised in that the connecting elements is included respectively in first bottom Make the crossbeam that three connects at longitudinal two ends of component, second bottom member and the overhead.

9. measurement apparatus as claimed in claim 8, it is characterised in that in the prism-shaped framework, first bottom Component and second bottom member are to be arranged symmetrically on the overhead, first bottom member, second bottom The equal length of portion's component and the overhead.

10. measurement apparatus as claimed in any one of claims 1-9 wherein, it is characterised in that in the measurement position, described to survey Microplate is oriented vertical with the measuring surface.

11. measurement apparatus as claimed in any one of claims 1-9 wherein, it is characterised in that the perforate is along the micrometer piece Longitudinal extending, and it is configured so that lengthwise position of the overhead in the perforate of the micrometer piece can change.

12. measurement apparatus as claimed in claim 2, it is characterised in that the length of the micrometer piece is more than the overhead With the air line distance between the bottom member.

13. measurement apparatus as claimed in any one of claims 1-9 wherein, it is characterised in that the cross section of the overhead is It is circular.

14. measurement apparatus as claimed in any one of claims 1-9 wherein, it is characterised in that the micrometer piece can be along the top The longitudinal direction of portion's component is moved freely through.

15. measurement apparatus as claimed in any one of claims 1-9 wherein, it is characterised in that the measurement apparatus also includes being used for The switchable light source being illuminated to measurement space.

16. the measurement apparatus as any one of claim 4-9, it is characterised in that provided with suction on the bottom member Disk, the measurement apparatus is fixed in the measuring surface.