CN206019529U - The survey mass and device of measurement hole chamber bottom size - Google Patents
The survey mass and device of measurement hole chamber bottom size Download PDFInfo
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- CN206019529U CN206019529U CN201621067732.3U CN201621067732U CN206019529U CN 206019529 U CN206019529 U CN 206019529U CN 201621067732 U CN201621067732 U CN 201621067732U CN 206019529 U CN206019529 U CN 206019529U
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- measurement
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- survey mass
- seamed edge
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Abstract
This utility model provides a kind of survey mass and device of measurement hole chamber bottom size.Survey mass includes little bottom surface, big bottom surface and connects the inclined-plane of little bottom surface and big bottom surface；Little bottom surface is contacted with the bottom surface in hole chamber, and the seamed edge that big bottom surface is intersected with inclined-plane is measurement seamed edge, its tested sidewall contact with hole chamber.The device of measurement hole chamber bottom size includes：Two aforementioned survey mass, for being positioned in the chamber of hole；Oblique angle measuring instrument, for measuring the withdrawing pattern bevel angle θ of the tested two lateral walls in hole chamber1And θ2；And image measurer, for measurement and positioning hole chamber in two survey mass measurement seamed edge between apart from L0.Survey mass simple structure, processing and fabricating easily, low cost of manufacture and maintain easy.The device that chamber bottom size is cheated using measurement of the present utility model, first to the non-fillet on the tested side wall in hole chamber or the size direct measurement of chamfering position, the hole chamber actual bottom size with fillet or chamfering is drawn by reduction formula again, accurately measuring for hole chamber bottom size is realized.
Description
Technical field
This utility model is related to a kind of survey tool, more particularly to a kind of survey mass and dress of measurement hole chamber bottom size
Put.
Background technology
Fig. 1 is the schematic diagram that measured piece cheats chamber；Fig. 2 is the top view that measured piece cheats chamber.
In field of machining, how using slide gauge, the size in the hole chamber 1 of image measurer measurement measured piece, but
Due to being limited by machining, measured piece moulding process ability, the bottom surface 11 in the hole chamber 1 of measured piece and the transition part of side wall 12
Position 13 often has fillet or chamfering, makes to be formed absolutely between bottom surface 11 and side wall 12 so as to intermediate location 13 cannot be accomplished to disappear
To corner angle, the bottom size for being difficult to realize hole chamber 1 using both measuring methods accurately measures, it is impossible to judge that measured piece is
The no dimensions for reaching design.
Using vernier caliper measurement mode, its degree of accuracy receives the shadow of the factors such as the operating habit of survey crew, operating force
Ring very big, especially measured piece is plastic parts or when hole chamber has withdrawing pattern to process, because receiving soft measured piece material, seamed edge fillet or chamfering
Affect, the repeatability and repdocutbility of kind of calliper mode is very poor.
Using radiographic measurement mode, because cheating the impact of chamber seamed edge fillet or chamfering, measuring basiss cannot be found in image
Line, it is impossible to realize accurately measuring for hole chamber size.
Utility model content
In view of the defect that prior art is present, the purpose of this utility model is to provide a kind of measurement hole chamber bottom size
Survey mass and device, its can be realized cheating accurately measuring for chamber bottom size.
To achieve these goals, in a first aspect, this utility model provides a kind of survey of measurement hole chamber bottom size
Gauge block, hole chamber include bottom surface and two lateral walls, intermediate location between bottom surface and tested two lateral walls formed fillet or
Chamfering, tested two side are inclined；Survey mass includes little bottom surface, big bottom surface and connects the inclined-plane of little bottom surface and big bottom surface；Handle
Face is used for contacting with the bottom surface in hole chamber, and the seamed edge that big bottom surface is intersected with inclined-plane is that measurement seamed edge, measurement are used for and hole with seamed edge
The corresponding tested sidewall contact in chamber.
To achieve these goals, in second aspect, this utility model provides a kind of dress of measurement hole chamber bottom size
Put, which includes two survey mass according to this utility model first aspect, for being positioned in the chamber of hole；Oblique angle measuring instrument,
For measuring the withdrawing pattern bevel angle θ of the tested two lateral walls in hole chamber1And θ2；And image measurer, for measurement and positioning in hole
The distance between the measurement seamed edge of two survey mass in chamber L0.
The beneficial effects of the utility model are as follows：
Survey mass simple structure of the present utility model, processing and fabricating easily, low cost of manufacture and maintain easy.Using this reality
The device of the measurement hole chamber bottom size constituted with new survey mass, first to the non-fillet on the tested side wall in hole chamber or chamfering
The size of position carries out direct measurement, then drawn by reduction formula the actual bottom in the hole chamber with fillet or chamfering interior length or
Inner width size, so that realize cheating accurately measuring for chamber bottom size.
Description of the drawings
Fig. 1 is the schematic diagram that measured piece cheats chamber；
Fig. 2 is the top view that measured piece cheats chamber；
Fig. 3 is the axonometric chart of the survey mass of measurement hole of the present utility model chamber bottom size；
Fig. 4 is the front view of Fig. 3；
Fig. 5 is the installation diagram of the survey mass with measured piece hole chamber of measurement hole of the present utility model chamber bottom size；
Fig. 6 is the sectional view that Fig. 5 is made along A-A；
Fig. 7 is the partial enlarged drawing of Fig. 6, wherein, for convenience of description for the sake of, only illustrate survey mass on the left of Fig. 6 with right
The position relationship of the left side side wall in the hole chamber that answers.
Wherein, description of reference numerals is as follows：
1 hole chamber
11 bottom surfaces
12 side walls
The seamed edge of 121 side walls
13 intermediate locations
2 survey mass
21 little bottom surfaces
211 little bottom surface seamed edges
22 big bottom surfaces
221 big bottom surface seamed edges
23 inclined-planes
24 measurement seamed edges
The most interior horizontal level of P13 intermediate locations
The position closest to inclined-plane that the little bottom surface of P21 survey mass is contacted with the bottom surface in hole chamber
The first half portions of B1
The second half portions of B2
Specific embodiment
The survey mass and device of cheating chamber bottom size are measured with reference to the accompanying drawings to describe in detail according to of the present utility model.
The survey mass of the measurement hole chamber bottom size according to this utility model first aspect is described first.
Referring to figs. 1 to Fig. 7, in the survey mass 2 of the measurement hole chamber bottom size according to this utility model first aspect, hole
Chamber 1 includes bottom surface 11 and two lateral walls 12, and the intermediate location 13 between bottom surface 11 and tested two lateral walls 12 forms circle
Angle or chamfering, tested two side 12 are inclined；Survey mass 2 includes little bottom surface 21, big bottom surface 22 and connects little bottom surface 21 and big bottom
The inclined-plane 23 in face 22；Little bottom surface 21 is used for contacting with the bottom surface 11 in hole chamber 1, and the seamed edge that big bottom surface 22 is intersected with inclined-plane 23 is measurement
With seamed edge 24, measurement seamed edge 24 is used for contacting with the corresponding tested side wall 12 in hole chamber 1.
Survey mass simple structure of the present utility model, processing and fabricating easily, low cost of manufacture and maintain easy.Using this reality
The device that chamber bottom size is cheated with the measurement described later that new survey mass is constituted, first to non-on the tested side wall 12 in hole chamber 1
The size of fillet or chamfering position carries out direct measurement, then the reality for drawing the hole chamber 1 with fillet or chamfering by reduction formula
The interior length or inner width size of bottom, so that realize cheating accurately measuring for 1 bottom size of chamber.
In the survey mass 2 of measurement hole chamber bottom size, the height H of measurement seamed edge 24 is not less than the height of intermediate location 13
Degree, the position P21 closest to inclined-plane 23 and the most interior horizontal position of intermediate location 13 that little bottom surface 21 is contacted with the bottom surface 11 in hole chamber 1
Put P13 to overlap or outside the most interior horizontal level P13 of intermediate location 13；The height of measurement seamed edge 24 is not less than transition part
The height of position 13；Measurement is less than the length of the seamed edge 121 of tested side wall 12 with the length of seamed edge 24.
Remark additionally here, cheat the intermediate location 13 between the bottom surface 11 in chamber 1 and tested two lateral walls 12
The fillet or chamfer radius of formation is R；The withdrawing pattern oblique angle of tested two side 12 is respectively θ1And θ2, the depth for cheating chamber 1 is D, surveys
The angle that the big bottom surface 22 of gauge block 2 is formed with inclined-plane 23 is α, and 211 length of seamed edge of little bottom surface 21 is L1, the seamed edge of big bottom surface 22
221 length are L2, the height of measurement seamed edge 24 is H.
(the left side side wall of the survey mass on the left of Fig. 6 and corresponding hole chamber, for the sake of for convenience of description, is only shown with reference to Fig. 7
Position relationship, but the position relationship of Fig. 7 require be equally applicable to Fig. 6 right side survey mass and corresponding hole chamber right side
The position relationship of side wall), during the survey mass 2 of the function of possessing measurement hole 1 bottom size of chamber in design, meet little bottom surface 21 with
Hole chamber 1 bottom surface 11 contact the position P21 closest to inclined-plane 23 overlap with the most interior horizontal level P13 of intermediate location 13 or
It is located at outside the most interior horizontal level P13 of intermediate location 13, then to tested two lateral walls 12, is both needed to the bottom surface for ensureing hole chamber 1
Little bottom surface 21 and hole chamber 1 of the intersection point of the extended line of the seamed edge of the extended line on 11 base and the side wall 12 that is surveyed to survey mass 2
Bottom surface 11 contact the position P21 closest to inclined-plane 23 distance not less than hole chamber 1 bottom surface 11 base extended line with
Distance of the intersection point of the extended line of the seamed edge of the side wall 12 that is surveyed to the most interior horizontal level P13 of intermediate location 13.Then to tested
Two lateral walls 12, meet simultaneously：
(H/tanα-H·tanθ1)≥(R·cosθ1-R·(1-sinθ1)·tanθ1)
(H/tan α-H tan θ2)≥(R·cosθ2-R·(1-sinθ2)·tanθ2)
Then further have：
H≥R·(cosθ1-(1-sinθ1)·tanθ1)/(1/tanα-tanθ1)
With H >=R (cos θ2-(1-sinθ2)·tanθ2)/(1/tanα-tanθ2),
Note：
M1=R (cos θ1-(1-sinθ1)·tanθ1)/(1/tanα-tanθ1)
M2=R (cos θ2-(1-sinθ2)·tanθ2)/(1/tanα-tanθ2)
The height H for obtaining final product the measurement seamed edge 24 of survey mass 2 meets relation：
H≥max(M1, M2).
With reference to Fig. 7, during the survey mass 2 of the function of possessing measurement hole 1 bottom size of chamber in design, measurement rib will be also met
The height H on side 24 is not less than the height of intermediate location 13, then need and meanwhile ensure measurement seamed edge 24 height H be not less than tested
Height R (the 1-sin θ of the intermediate location 13 of two lateral walls 121) and R (1-sin θ2), that is, meet relation：
H≥max(R·(1-sinθ1),R·(1-sinθ2))
The height H of measurement seamed edge 24 is less than the height D in hole chamber 1 simultaneously, that is, meet：
H ＜ D.
In order to prevent survey mass 2 to toppling near corresponding tested hole chamber Ce Bi12 directions upset, as shown in fig. 6, by surveying
Position P21 and void perpendicular to little bottom surface 21 closest to inclined-plane 23 that the little bottom surface 21 of gauge block 2 is contacted with the bottom surface 11 in hole chamber 1
2 points of survey mass is the first half portion B1 and the second half portion B2 by line, and wherein the first half portion B1 contains inclined-plane 23；With little bottom surface 21 and hole
, used as fulcrum, the center of gravity moment about point of support of the first half portion B1 is or not the position P21 closest to inclined-plane 23 of the contact of bottom surface 11 in chamber 1
It is more than the second half portion B2 moment about point of support, such that it is able to prevent survey mass 2 from turning over to close corresponding tested hole chamber Ce Bi12 directions
Turn to topple over.When survey mass 2 is that (right-angled trapezium herein has width for right-angled trapezium for right-angled trapezium block, the i.e. cross section of survey mass 2
General implication, had both included the right-angled trapezium in strict conformity with geometric definition, may also comprise except other turnings at measurement seamed edge 24
Place can have the true form (as shown in Figure 7) of chamfering), the now rib of the length of the seamed edge 211 of little bottom surface 21 and big bottom surface 22
The relation that the length on side 221 meets
For survey mass 2, in order to ensure being brought into close contact for the little bottom surface 21 of survey mass 2 and the bottom surface 11 in hole chamber 1, little bottom surface
21 surface roughness is not more than 0.05 μm.
It is in close contact with the side wall 12 with hole chamber 1 to increase the fineness of measurement seamed edge 24, measurement seamed edge 24 sets
The linearity for having chromium coating (not shown), measurement seamed edge 24 is not more than 0.01mm.
Material as survey mass 2 is selected, and the material of survey mass 2 can be steel or ceramic material.
The device of the measurement hole chamber bottom size according to this utility model second aspect is described below.
Device according to the measurement hole chamber bottom size of this utility model second aspect includes：Two according to this utility model
Survey mass 2 described in first aspect, for being positioned in the chamber 1 of hole；Oblique angle measuring instrument (not shown), for measuring the quilt in hole chamber 1
The withdrawing pattern bevel angle θ of the two lateral walls 12 of survey1And θ2；And image measurer (not shown), for measurement and positioning in the chamber 1 of hole
Two survey mass 2 measurement the distance between seamed edge 24 L0.
Hereinafter supplementary notes cheat the process of the measurement device of chamber bottom size using measurement of the present utility model, specially：
S1, measures the withdrawing pattern bevel angle θ of the tested two lateral walls 12 in hole chamber respectively with oblique angle measuring instrument1And θ2；
S2, hole chamber 1 is placed on image measurer work platformses, and performs positioning；
S3, the little bottom surface 21 of two survey mass 2 is placed on the bottom surface 11 in hole chamber down, and adjusts two survey mass respectively
2, the measurement seamed edge 24 for making big bottom surface 22 be intersected with inclined-plane 23 is in close contact with tested two lateral walls 12 respectively；
S4, measurement the distance between the seamed edge 24 for two survey mass 2 that is adjusted with image measurer measurement step S3
L0；
S5, by L0Substitute into reduction formula L=L0-H·tanθ1-H·tanθ2, L is the interior of the bottom in surveyed hole chamber 1
The actual size of long or inner width.
Claims (10)
1. a kind of survey mass (2) of measurement hole chamber bottom size, cheats chamber (1) including bottom surface (11) and two lateral walls (12), bottom
Intermediate location (13) between face (11) and tested two lateral walls (12) forms fillet or chamfering, and tested two side (12) incline
Tiltedly；
Survey mass (2) includes the inclined-plane of little bottom surface (21), big bottom surface (22) and connection little bottom surface (21) and big bottom surface (22)
(23)；
Characterized in that,
Little bottom surface (21) are used for contacting with the bottom surface (11) in hole chamber (1), and the seamed edge that big bottom surface (22) are intersected with inclined-plane (23) is survey
Amount seamed edge (24), measurement seamed edge (24) are used for corresponding tested side wall (12) contact with hole chamber (1).
2. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that
The height of measurement seamed edge (24) is not less than the height of intermediate location (13)；
The position (P21) closest to inclined-plane (23) and intermediate location that little bottom surface (21) are contacted with the bottom surface (11) in hole chamber (1)
(13) most interior horizontal level (P13) overlaps or is located at most interior horizontal level (P13) of intermediate location (13) outward；
Measurement is less than the length of the seamed edge (121) of tested side wall (12) with the length of seamed edge (24).
3. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that
By the position (P21) closest to inclined-plane (23) that contacts of bottom surface (11) in little bottom surface (21) and hole chamber (1) and perpendicular to
Survey mass (2) is divided into the first half portion (B1) and the second half portion (B2) by the dotted line of little bottom surface 21, and wherein the first half portion (B1) contains
Inclined-plane (23)；
Wherein, the position (P21) closest to inclined-plane (23) that contacts of bottom surface (11) using little bottom surface (21) and hole chamber (1) is used as propping up
Point, the center of gravity moment about point of support of the first half portion (B1) are not more than the second half portion (B2) moment about point of support.
4. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that the horizontal stroke of survey mass (2)
Section is right-angled trapezium.
5. the survey mass (2) of chamber bottom size is cheated in the measurement according to claim 3 or 4, it is characterised in that
Seamed edge (211) length of little bottom surface (21) is L1, seamed edge (221) length of big bottom surface (22) is L2, the rib of little bottom surface (21)
The length on side (211) meets relation with the length of the seamed edge (221) of big bottom surface (22)：
6. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that little bottom surface (21)
Surface roughness is not more than 0.05 μm.
7. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that measurement seamed edge
(24) linearity is not more than 0.01mm.
8. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that the material of survey mass (2)
Expect for steel or ceramic material.
9. the survey mass (2) of chamber bottom size is cheated in measurement according to claim 1, it is characterised in that measurement seamed edge
(24) chromium coating is provided with.
10. the device of chamber bottom size is cheated in a kind of measurement, including：
Two survey mass (2) according to any one of claim 1-9, for being positioned in hole chamber (1)；
Oblique angle measuring instrument, for measuring the withdrawing pattern bevel angle θ of the tested two lateral walls (12) in hole chamber (1)1And θ2；And
Image measurer, for measurement and positioning hole chamber (1) in two survey mass (2) measurement between seamed edge (24) away from
From L0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067732.3U CN206019529U (en) | 2016-09-21 | 2016-09-21 | The survey mass and device of measurement hole chamber bottom size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067732.3U CN206019529U (en) | 2016-09-21 | 2016-09-21 | The survey mass and device of measurement hole chamber bottom size |
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| Publication Number | Publication Date |
|---|---|
| CN206019529U true CN206019529U (en) | 2017-03-15 |
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ID=58260595
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621067732.3U Active CN206019529U (en) | 2016-09-21 | 2016-09-21 | The survey mass and device of measurement hole chamber bottom size |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459362A (en) * | 2021-12-31 | 2022-05-10 | 深圳市瑞图生物技术有限公司 | Measuring device and measuring method thereof |
-
2016
- 2016-09-21 CN CN201621067732.3U patent/CN206019529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459362A (en) * | 2021-12-31 | 2022-05-10 | 深圳市瑞图生物技术有限公司 | Measuring device and measuring method thereof |
| CN114459362B (en) * | 2021-12-31 | 2024-03-26 | 深圳市瑞图生物技术有限公司 | Measuring device and measuring method thereof |
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