CN204165471U - A kind of gauge measuring the short circular arc concave ball shape face size of long shaft part - Google Patents
A kind of gauge measuring the short circular arc concave ball shape face size of long shaft part Download PDFInfo
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- CN204165471U CN204165471U CN201420153902.4U CN201420153902U CN204165471U CN 204165471 U CN204165471 U CN 204165471U CN 201420153902 U CN201420153902 U CN 201420153902U CN 204165471 U CN204165471 U CN 204165471U
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- diameter
- transition axis
- pilot hole
- arc concave
- short circular
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses the gauge that the short circular arc concave ball shape face size of long shaft part is measured in a kind of measurement accurately, and convex spherical (1-4) and the radius (SR2) thereof of its measurement axle (1) are equal with pre-set radius with the geomery of the short circular-arc concave sphere of part respectively; The body (2-0) of its locating sleeve (2) is provided with and is uniformly distributed, is positioned at the first pilot hole (2-1) place and its four radial direction through hole (2-4) built with sleeve pipe (3), and the endoporus of each sleeve pipe is built with being slidably matched with it and the removable locating shaft (4) stretched in the first pilot hole in lower end; The axial distance (L5) of the left end of right inside wall to the second pilot hole (2-2) of the endoporus of each sleeve pipe is greater than the axial length, equal with the predeterminable range of part to vertical range (L1) sum of its measuring surface (C) with the centre of sphere (O1) measuring axle to the horizontal vertical range (L2) in the right positioner face (A) of body of the annular projection of part.
Description
Technical field
The utility model relates to mechanical measurement, is specifically related to a kind of gauge measuring the short circular arc concave ball shape face size of long shaft part.
Background technology
Shown in Figure 1, in some special machines, have a kind of end face to be the long shaft part 5 of short circular arc concave ball shape, it has body 5-1, and this body 5-1 has body diameter d 3, and its right side is short circular-arc concave sphere 5-3.This short circular-arc concave sphere 5-3 has pre-set radius SR1 and default centre of sphere O.Annular projection 5-2 is had near inside body 5-1 left end.This annular projection 5-2 has projection diameter d4 and axial length L 6.The vertical range of the left surface of this annular projection 5-2 and the default centre of sphere O of short circular-arc concave sphere 5-3 is short circular arc centre of sphere predeterminable range L, hereinafter referred to as predeterminable range L.This predeterminable range L has full-size and the minimum dimension of regulation.Because the central angle of the short circular-arc concave sphere 5-3 of this part 5 is generally less than 60 °, spherical arc is too short, and common gauge can not measure its pre-set radius SR1 and predeterminable range L.Meanwhile, because the entire length of this part 5 is generally more than 3 meters, after machining on lathe exactly, then take off adopt common three coordinate measuring machine can not measure.Therefore, the pre-set radius SR1 of this part 5 and the measurement of predeterminable range L have become a detection difficult problem.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of gauge measuring the short circular arc concave ball shape face size of the measurement long shaft part accurate, efficiency is higher.
For solving the problems of the technologies described above, the utility model takes following technical scheme;
Measure a gauge for the short circular arc concave ball shape face size of long shaft part, comprise and measure axle and locating sleeve:
Described measurement axle is made up of successively bulb end, transition axis and handle, described bulb end and transition axis coaxial cable;
Described bulb end has convex spherical and bulb end diameter, and described convex spherical has radius and the centre of sphere; Described convex spherical is equal with the geomery of the short circular-arc concave sphere of part, and the radius of described convex spherical is equal with the pre-set radius of part, and the centre of sphere of described convex spherical is positioned on handle, and is positioned on the coaxial cable of bulb end and transition axis;
Described transition axis has transition axis diameter and transition axis axial length, and its right side is the measuring surface with the axes normal of transition axis;
Vertical range is formed between the centre of sphere of described convex spherical and the measuring surface of transition axis;
Described locating sleeve comprise body and in body concentric mutually through, axial cross section be step-like and the first pilot hole arrayed from left to right, the second pilot hole and transitional pore;
The diameter of described first pilot hole is less times greater than the projection diameter of part;
The diameter of described second pilot hole less times greater than the body diameter of part, the right side that its axial length is greater than the annular projection of part to the right-hand member of body vertical range with measure the right side of bulb end of axle to the vertical range sum of its left end;
The diameter of described transitional pore is equal with thickness, and less times greater than measuring the transition axis diameter of transition axis of axle;
The right side of the body of described locating sleeve is right positioner face;
Described body is provided with four radial direction through hole, these four radial direction through hole are uniformly distributed, are positioned at the first pilot hole place, respectively sleeve pipe is housed in each radial direction through hole, each sleeve pipe all has endoporus and the removable locating shaft stretched in the first pilot hole in the lower end be slidably matched with its microclearance is housed respectively in this endoporus; The axial distance of the left end of right inside wall to the second pilot hole of the endoporus of each sleeve pipe is greater than the axial length, equal with the predeterminable range of part to the vertical range sum of its measuring surface with the centre of sphere measuring axle to the horizontal vertical range in the right positioner face of body of the annular projection of part;
The transition axis axial length of the transition axis of described measurement axle is greater than the axial length of the transitional pore of locating sleeve;
The bulb end of described measurement axle is positioned at the second pilot hole of locating sleeve, and its transition axis is set in the transitional pore of locating sleeve.
Preferably, the axial distance of the left end of right inside wall to the second pilot hole of the endoporus of described each sleeve pipe is greater than axial length about the 2mm of the annular projection of part.
Preferably, the diameter of the first pilot hole of described locating sleeve is greater than the projection diameter 0.005 ~ 0.01mm of part.
Preferably, the diameter of the second pilot hole of described locating sleeve is greater than the body diameter 0.005 ~ 0.01mm of part.
Preferably, the diameter of the transitional pore of described locating sleeve is greater than the transition axis diameter 0.003 ~ 0.006mm of the transition axis measuring axle 1.
Preferably, the gap of described each locating shaft and each sleeve pipe is 0.002 ~ 0.005mm.
Preferably, the diameter of described each locating shaft is identical, is 8 ~ 12mm.
Preferably, the diameter of described each locating shaft is 10mm.
Preferably, the handle of described measurement axle is provided with reticulate pattern.
Compared with prior art, the utility model comprises following beneficial effect;
1, this gauge and method can use on lathe, and accuracy and work efficiency are all higher.
2, the convex spherical of the measurement axle of this gauge is equal with the geomery of the short circular-arc concave sphere of part, and radius is equal with the pre-set radius of part, and this gauge is measured, and whether the predeterminable range of part is qualified and whether pre-set radius is qualified.
3, each sleeve pipe of this gauge locating sleeve all has endoporus and the removable locating shaft stretched in the first pilot hole in the lower end be slidably matched with its microclearance is housed respectively in this endoporus; The axial distance of the left end of right inside wall to the second pilot hole of the endoporus of each sleeve pipe is greater than the axial length, equal with the predeterminable range of part to the vertical range sum of its measuring surface with the centre of sphere measuring axle to the horizontal vertical range in the right positioner face of body of the annular projection of part, axial distance between the right positioner face that thus predeterminable range of the short circular-arc concave sphere of part can be converted to measurement and positioning cover to the measuring surface measuring axle, it is convenient accurate to measure.
Accompanying drawing explanation
Fig. 1 is long shaft part part-structure schematic diagram;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation measuring axle;
Fig. 4 is the structural representation of locating sleeve;
Fig. 5 is the cross-sectional schematic of Fig. 4;
Operating diagram when Fig. 6 is the short circular arc concave ball shape face size of the utility model measurement long shaft part.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 2, the gauge of the short circular arc concave ball shape face size of measurement long shaft part of the present utility model, comprise and measure axle 1 and locating sleeve 2: see reading room and Fig. 3, as seen from Figure 3, described measurement axle 1 is made up of successively bulb end 1-1, transition axis 1-2 and handle 1-3, described bulb end 1-1 and transition axis 1-2 coaxial cable; Described bulb end 1-1 has convex spherical 1-4 and bulb end diameter d 2, and described convex spherical 1-4 has radius SR2 and centre of sphere O1; Described convex spherical 1-4 is equal with the geomery of the short circular-arc concave sphere 5-3 of part 5, the radius SR2 of described convex spherical 1-4 is equal with the pre-set radius SR1 of part 5, the centre of sphere O1 of described convex spherical 1-4 is positioned on handle 1-3, and is positioned on the coaxial cable of bulb end 1-1 and transition axis 1-2; Described transition axis 1-2 has transition axis diameter d 1 and transition axis axial length L 7, and its right side is the measuring surface C with the axes normal of transition axis 1-2; Vertical range L1 is formed between the centre of sphere O1 of described convex spherical 1-4 and the measuring surface C of transition axis 1-2.See Fig. 2, Fig. 4 and Fig. 5, from Fig. 4 and Fig. 5, described locating sleeve 2 comprise body 2-0 and in body 2-0 concentric mutually through, axial cross section be step-like and the first pilot hole 2-1 arrayed from left to right, the second pilot hole 2-2 and transitional pore 2-3; The diameter D1 of described first pilot hole 2-1 is less times greater than the projection diameter d4 of part 5; The diameter D2 of described second pilot hole 2-2 less times greater than the body diameter d 3 of part 5, the right side that its axial length L 8 is greater than the annular projection 5-2 of part 5 to the right-hand member of body 5-1 vertical range with measure the right side of bulb end 1-1 of axle 1 to the vertical range sum of its left end; The diameter D of described transitional pore 2-3 is equal with thickness L3, and less times greater than measuring the transition axis diameter d 1 of transition axis 1-2 of axle 1; The right side of the body 2-0 of described locating sleeve 2 is right positioner face A; Described body 2-0 is provided with four radial direction through hole 2-4, these four radial direction through hole 2-4 are uniformly distributed, be positioned at the first pilot hole 2-1 place, in each radial direction through hole 2-4, sleeve pipe 3 is housed respectively, each sleeve pipe 3 all has endoporus and the removable locating shaft 4 stretched in the first pilot hole 2-1 in the lower end be slidably matched with its microclearance is housed respectively in this endoporus; The axial distance L5 of the left end of right inside wall to the second pilot hole 2-2 of the endoporus of each sleeve pipe 3 is greater than the axial length L 6, equal with the predeterminable range L of part 5 with the vertical range L1 sum of the centre of sphere O1 to its measuring surface C measuring axle 1 to the horizontal vertical range L2 of the right positioner face A of body 2-0 of the annular projection 5-2 of part 5; The transition axis axial length L 7 of the transition axis 1-2 of described measurement axle 1 is greater than the axial length L 3 of the transitional pore 2-3 of locating sleeve 2; The bulb end 1-1 of described measurement axle 1 is positioned at the second pilot hole 2-2 of locating sleeve 2, and its transition axis 1-2 is set in the transitional pore 2-3 of locating sleeve 2.So, whether gauge of the present utility model just can to measure the predeterminable range L of the short circular arc concave ball shape end face of long shaft part and pre-set radius SR1 respectively according to following steps qualified; See Fig. 6, the bulb end 1-1 measuring axle 1 is put in the second pilot hole 2-2 of locating sleeve 2, makes its transition axis 1-2 be set in the transitional pore 2-3 of locating sleeve 2; The red lead that uniform application 0.5 μm is thick on the convex spherical 1-4 measuring axle 1; Locating sleeve 2 is set with after processing not from the part 5 that lathe takes off, the right-hand member of the right-hand member of the annular projection 5-2 of part 5 and the first pilot hole 2-1 is fitted, and makes each locating shaft 4 of locating sleeve 2 insert the left side of the annular projection 5-2 of part 5; To right-hand member running fix cover 2, the right side of its locating shaft 4 is contacted with the left end of the annular projection 5-2 of part 5; Be moved to the left and measure axle 1, its convex spherical 1-4 is contacted with the short circular-arc concave sphere 5-3 of part 5; Judge that whether the predeterminable range L of part 5 is qualified, more than 1180 °, wheel measuring axle of exerting oneself to part 5 direction; Adopt the axial distance size between the measuring surface C of dial gauge measurement the axle 1 and right positioner face A of locating sleeve 2, if this axial distance is of a size of zero or between the full-size and the difference of minimum dimension of the predeterminable range L of part 5, judge that the predeterminable range L of part 5 is qualified; If this axial distance size is greater than the maximal value of predeterminable range L and the difference of minimum value of part 5, judge the predeterminable range L of part 5 defective (at this moment, can according to this axial distance size, direct feed, guarantees that part 100% is qualified); Judge that whether the pre-set radius SR1 of part 5 is qualified, gauge is taken off, observe whether the contact rate measuring the convex spherical 1-4 of the axle 1 and short circular-arc concave sphere 5-3 of part 5 is 100%, if short circular-arc concave sphere 5-3 is not covered with red lead, then this contact rate is less than 100%, judge that the pre-set radius SR1 of part 5 is defective, if short circular-arc concave sphere 5-3 is covered with red lead, then this contact rate is 100%, judge the pre-set radius SR1 of part 5 qualified (because the central angle that part is spherical is generally less than 60 °, therefore requiring 100% contact).
The axial distance L5 of the left end of right inside wall to the second pilot hole 2-2 of the endoporus of described each sleeve pipe 3 is greater than about the axial length L 62mm of the annular projection 5-2 of part 5.Be convenient to like this not produce interference when part 5 measured by gauge.
The diameter D1 of the first pilot hole 2-1 of described locating sleeve 2 is greater than the projection diameter d4 0.005 ~ 0.01mm of part 5.The annular projection 5-2 of part 5 can be made like this to load in the first pilot hole 2-1 of locating sleeve 2, can ensure that again between both axis, deviation is less.
The diameter D2 of the second pilot hole 2-2 of described locating sleeve 2 is greater than the body diameter d 30.005 ~ 0.01mm of part 5.The body 5-1 of part 5 can be made like this to load in the second pilot hole 2-2 of locating sleeve 2, can ensure that again between both axis, deviation is less.
The diameter D of the transitional pore 2-3 of described locating sleeve (2) is greater than the transition axis diameter d 10.003 ~ 0.006mm of the transition axis 1-2 measuring axle 1.Can ensure that measuring the transition axis 1-2 of axle 1 can be slidably matched microclearance in the transitional pore 2-3 of locating sleeve 2 like this, easy to use with operation.
Described each locating shaft 4 is 0.002 ~ 0.005mm with the gap of each sleeve pipe 3.This makes the locating shaft 4 be that microclearance is slidably matched with coordinating of each sleeve pipe 3, and can ensure the left surface accurate positioning of the right side of each locating shaft 4 and the annular projection 5-2 of part 5.
The diameter d of described each locating shaft 4 is identical, is 8 ~ 12mm.When this just can ensure to measure, any one locating shaft 4 can insert in any one sleeve pipe, makes easy to use.
The diameter d of described each locating shaft 4 is 10mm.When this just can ensure to measure better, any one locating shaft 4 can insert in any one sleeve pipe, makes easy to use.
As seen from Figure 3, the handle 1-3 of described measurement axle 1 is provided with reticulate pattern.When this makes to use, handle 1-3 grips easily, can not landing.
Claims (9)
1. measure a gauge for the short circular arc concave ball shape face size of long shaft part, comprise and measure axle (1) and locating sleeve (2), it is characterized in that:
Described measurement axle (1) is made up of successively bulb end (1-1), transition axis (1-2) and handle (1-3), described bulb end (1-1) and transition axis (1-2) coaxial cable;
Described bulb end (1-1) has convex spherical (1-4) and bulb end diameter (d2), and described convex spherical (1-4) has radius (SR2) and the centre of sphere (O1); Described convex spherical (1-4) is equal with the geomery of the short circular-arc concave sphere (5-3) of part (5), the radius (SR2) of described convex spherical (1-4) is equal with the pre-set radius SR1 of part (5), the centre of sphere (O1) of described convex spherical (1-4) is positioned on handle (1-3), and is positioned on the coaxial cable of bulb end (1-1) and transition axis (1-2);
Described transition axis (1-2) has transition axis diameter (d1) and transition axis axial length (L7), and its right side is the measuring surface (C) with the axes normal of transition axis (1-2);
Vertical range (L1) is formed between the centre of sphere (O1) of described convex spherical (1-4) and the measuring surface (C) of transition axis (1-2);
Described locating sleeve (2) comprise body (2-0) and in body (2-0) concentric mutually through, axial cross section be step-like and the first pilot hole (2-1) arrayed from left to right, the second pilot hole (2-2) and transitional pore (2-3);
The diameter (D1) of described first pilot hole (2-1) is less times greater than the projection diameter (d4) of part (5);
The diameter (D2) of described second pilot hole (2-2) less times greater than the body diameter (d3) of part (5), the right side that its axial length (L8) is greater than the annular projection (5-2) of part (5) to the right-hand member of body (5-1) vertical range with measure the right side of bulb end (1-1) of axle (1) to the vertical range sum of its left end;
The diameter (D) of described transitional pore (2-3) is equal with thickness (L3), and less times greater than measuring the transition axis diameter (d1) of transition axis (1-2) of axle (1);
The right side of the body (2-0) of described locating sleeve (2) is right positioner face (A); Body (2-0) is provided with four radial direction through hole (2-4), these four radial direction through hole (2-4) are uniformly distributed, are positioned at the first pilot hole (2-1) place, sleeve pipe (3) is housed in each radial direction through hole (2-4) respectively, and each sleeve pipe (3) all has endoporus and the removable locating shaft (4) stretched in the first pilot hole (2-1) in the lower end be slidably matched with its microclearance is housed respectively in this endoporus; The axial distance (L5) of the left end of right inside wall to the second pilot hole (2-2) of the endoporus of each sleeve pipe (3) is greater than the axial length (L6), equal with the predeterminable range (L) of part (5) to vertical range (L1) sum of its measuring surface (C) with the centre of sphere (O1) measuring axle (1) to the horizontal vertical range (L2) in the right positioner face (A) of body (2-0) of the annular projection (5-2) of part (5);
The transition axis axial length (L7) of the transition axis (1-2) of described measurement axle (1) is greater than the axial length (L3) of the transitional pore (2-3) of locating sleeve (2);
The bulb end (1-1) of described measurement axle (1) is positioned at second pilot hole (2-2) of locating sleeve (2), and its transition axis (1-2) is set in the transitional pore (2-3) of locating sleeve (2).
2. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: the axial distance (L5) of the left end of right inside wall to the second pilot hole (2-2) of the endoporus of described each sleeve pipe (3) is greater than axial length (L6) about the 2mm of the annular projection (5-2) of part (5).
3. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: the diameter (D1) of first pilot hole (2-1) of described locating sleeve (2) is greater than projection diameter (d4) 0.005 ~ 0.01mm of part (5).
4. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: the diameter (D2) of second pilot hole (2-2) of described locating sleeve (2) is greater than body diameter (d3) 0.005 ~ 0.01mm of part (5).
5. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: the diameter (D) of the transitional pore (2-3) of described locating sleeve (2) is greater than transition axis diameter (d1) 0.003 ~ 0.006mm of the transition axis (1-2) measuring axle (1).
6. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: described each locating shaft (4) is 0.002 ~ 0.005mm with the gap of each sleeve pipe (3).
7. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 1, is characterized in that: the diameter (d) of described each locating shaft (4) is identical, is 8 ~ 12mm.
8. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to claim 7, is characterized in that: the diameter (d) of described each locating shaft (4) is 10mm.
9. the gauge of the short circular arc concave ball shape face size of measurement long shaft part according to any one of claim 1 to 8, is characterized in that: the handle (1-3) of described measurement axle (1) is provided with reticulate pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153902.4U CN204165471U (en) | 2014-04-01 | 2014-04-01 | A kind of gauge measuring the short circular arc concave ball shape face size of long shaft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153902.4U CN204165471U (en) | 2014-04-01 | 2014-04-01 | A kind of gauge measuring the short circular arc concave ball shape face size of long shaft part |
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| Publication Number | Publication Date |
|---|---|
| CN204165471U true CN204165471U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153902.4U Expired - Fee Related CN204165471U (en) | 2014-04-01 | 2014-04-01 | A kind of gauge measuring the short circular arc concave ball shape face size of long shaft part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884252A (en) * | 2014-04-01 | 2014-06-25 | 重庆望江工业有限公司 | Measuring gauge and method for measuring dimension of short arc concave spherical end surface of long shaft part |
| CN107782230A (en) * | 2017-12-12 | 2018-03-09 | 重庆望江工业有限公司 | A kind of measurer of the radius for the interior concaved circular cambered surface for measuring non-full circle shaft member |
| CN110160424A (en) * | 2019-05-05 | 2019-08-23 | 重庆长安汽车股份有限公司 | A kind of connecting rob bushing compactness detecting tool and detection method |
-
2014
- 2014-04-01 CN CN201420153902.4U patent/CN204165471U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884252A (en) * | 2014-04-01 | 2014-06-25 | 重庆望江工业有限公司 | Measuring gauge and method for measuring dimension of short arc concave spherical end surface of long shaft part |
| CN107782230A (en) * | 2017-12-12 | 2018-03-09 | 重庆望江工业有限公司 | A kind of measurer of the radius for the interior concaved circular cambered surface for measuring non-full circle shaft member |
| CN107782230B (en) * | 2017-12-12 | 2023-06-23 | 重庆望江工业有限公司 | Measuring tool for measuring radius of concave arc surface of non-whole circular shaft piece |
| CN110160424A (en) * | 2019-05-05 | 2019-08-23 | 重庆长安汽车股份有限公司 | A kind of connecting rob bushing compactness detecting tool and detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20180401 |