CN103438792B - Double-hinged structure plunger rod head angle measurement device - Google Patents
Double-hinged structure plunger rod head angle measurement device Download PDFInfo
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- CN103438792B CN103438792B CN201310392128.2A CN201310392128A CN103438792B CN 103438792 B CN103438792 B CN 103438792B CN 201310392128 A CN201310392128 A CN 201310392128A CN 103438792 B CN103438792 B CN 103438792B
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- plunger rod
- survey mass
- reference block
- measuring workpieces
- angle measurement
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Abstract
The invention provides a double-hinged structure plunger rod head angle measurement device which is used for realizing plunger rod head maximum space deflection angle measurement when an aircraft motor is maintained. The double-hinged structure plunger rod head angle measurement device comprises a support, a first measurement block, a second measurement block, a second measurement block reference block and a plunger rod positioning screw, wherein the support is matched with a workpiece to be measured, the first measurement block is matched with a plunger rod of the workpiece to be measured, the second measurement block is matched with a plunger head of the workpiece to be measured and the second measurement block reference block, and the second measurement block reference block and the plunger rod of the workpiece to be measured are assembled through the plunger rod positioning screw. The double-hinged structure plunger rod head angle measurement device has the advantages of being simple in structure, convenient to operate, and capable of being used for accurately and rapidly measuring a double-hinged structure plunger rod head maximum space deflection angle, thereby meeting maintenance requirements of the aircraft motor.
Description
Technical field
The present invention relates to a kind of angle measurement unit, especially a kind of two articulated structure plunger rod head angle measurement units of aircraft motor, belong to measurement, technical field of measurement and test.
Background technology
As shown in Figure 1, a kind of aircraft motor (i.e. measuring workpieces described in this specification and claims book) 1 is circumferentially uniform nine two articulated structure plunger rod heads of φ 19mm at diameter, the spacing of adjacent pillars stopper rod head is very little, and overhaul the maximum space angle of deflection that assembly technical requirement defines the plane orthogonal axis at plunger rod 1-1 and its place and be not less than 25 °, stopper head 1-2 and plunger axis maximum space deflection angle β is not less than 5 °, therefore when overhauling aircraft motor, must measure the maximum space deflection angle of plunger rod 1-1 and stopper head 1-2.
Although existing measurement instrument measuring accuracy and accuracy higher, but more complicated in structure, measure operation time and effort consuming, and apparatus expensive, be unsuitable for the measurement to two articulated structure plunger rod head maximum space deflection angle in aircraft motor maintenance process.
Summary of the invention
The object of the invention is to the drawback for prior art, there is provided a kind of structure simple, easy to operate, the two articulated structure plunger rod head angle measurement units two articulated structure plunger rod head maximum space deflection angle accurately, fast being measured, meets aircraft motor maintenance requirement can be realized.
Problem of the present invention realizes with following technical proposals:
A kind of two articulated structure plunger rod head angle measurement unit, it comprises support, the first survey mass, the second survey mass, the second survey mass reference block and plunger rod dog screw, described support mates with measuring workpieces, described first survey mass mates with the plunger rod of measuring workpieces, stopper head and the second survey mass reference block of described second survey mass and measuring workpieces mate, and described second survey mass reference block is assembled by the plunger rod of plunger rod dog screw and measuring workpieces.
Above-mentioned pair of articulated structure plunger rod head angle measurement unit, described support is made up of base, support bar and back up pad, described base is arranged measuring workpieces trip bolt, described support bar is uniform along base circumference, the upper and lower end face of described back up pad is level reference, it is arranged on post upper, on the supporting plate uniform one group of plunger rod pilot hole.
Above-mentioned pair of articulated structure plunger rod head angle measurement unit, described first survey mass is " T " font structure of toppling over, and its transverse arm bottom surface is level reference, and its vertical arms side is be the inclination measurement face of 90 ° of-α with level reference angle.
Above-mentioned pair of articulated structure plunger rod head angle measurement unit, described second survey mass is hexahedron structure, and its bottom surface is level reference, and left side is be the second survey mass inclination measurement face of 90 ° of-β with level reference angle.
Above-mentioned pair of articulated structure plunger rod head angle measurement unit, described second survey mass reference block is inverted circular cone structure, and axially arrange plunger rod pilot hole at the frustum of a cone, described plunger rod pilot hole is with V-type stopper slot.
Above-mentioned pair of articulated structure plunger rod head angle measurement unit, the frustum of a cone sidewall of described second survey mass reference block is also provided with positioning screw hole, assembles plunger rod dog screw in described positioning screw hole.
Measuring workpieces is fixed on support by the measuring workpieces trip bolt that bracket base is arranged by the present invention, and makes hinged seat location, plunger rod lower end by plunger rod pilot hole, the present invention utilizes the first measurement of survey mass realization to plunger rod maximum space deflection angle, with the positioning reference plane that support back up pad upper and lower end face is measuring workpieces during measurement, fit in first survey mass transverse arm bottom surface and back up pad upper surface, light transmission when fitting according to the first survey mass inclination measurement face and plunger rod outer wall judges whether the maximum space deflection angle of plunger rod meets the requirements, during both laminatings, if binding face bottom printing opacity illustrates the maximum space angle of deflection ＇ > α of the plunger rod of measuring workpieces, if otherwise binding face top printing opacity, the maximum space angle of deflection ＇ < α of the plunger rod of measuring workpieces is described, the present invention utilizes the second survey mass to coordinate with the second survey mass reference block the measurement realized stopper head maximum space deflection angle, by the plunger rod pilot hole of the second survey mass reference block and plunger rod dog screw, the plunger rod of measuring workpieces is fixed, second survey mass with the second survey mass reference block upper surface for positioning reference plane is measured stopper head maximum space deflection angle, light transmission when fitting according to the second survey mass and stopper head judges whether the maximum space deflection angle of stopper head meets the requirements, during both laminatings, if binding face bottom printing opacity illustrates β ＇ > β, if otherwise binding face top printing opacity, β ＇ < β is described.The present invention has simple, the easy to operate feature of structure, and it can realize accurately, fast measuring two articulated structure plunger rod head maximum space deflection angle, meets the requirement of aircraft motor maintenance.
Accompanying drawing explanation
Below in conjunction with specific embodiment and accompanying drawing, the invention will be further described.
Fig. 1 is aircraft motor (i.e. measuring workpieces) structural representation;
Fig. 2 is structural representation of the present invention;
Fig. 3 is supporting structure schematic diagram;
Fig. 4 is support supporting plate structure schematic diagram;
Fig. 5 is the first survey mass structural representation;
Fig. 6 is the first survey mass front view;
Fig. 7 is the second survey mass structural representation;
Fig. 8 is the second survey mass reference block structural representation;
Fig. 9 is the second survey mass reference block cross-sectional view;
Figure 10 is the plunger rod maximum space angle of deflection ＇ instrumentation plan to measuring workpieces;
A place schematic enlarged-scale view in Figure 10 when Figure 11 is α ＇ > α;
A place schematic enlarged-scale view in Figure 10 when Figure 12 is α ＇ < α;
Figure 13 is the stopper head maximum space deflection angle β ＇ instrumentation plan to measuring workpieces;
B place schematic enlarged-scale view in Figure 13 when Figure 14 is β ＇ > β;
B place schematic enlarged-scale view in Figure 13 when Figure 15 is β ＇ < β.
In figure, each list of reference numerals is: 1, measuring workpieces (aircraft motor), 1-1, plunger rod, 1-2, stopper head, 2, support, 2-1, back up pad, 2-1-1, plunger rod pilot hole, 2-2, support bar, 2-3, base, 2-4, measuring workpieces trip bolt, the 3, first survey mass, 3-1, the first survey mass inclination measurement face, 4, the second survey mass, 4-1, the second survey mass inclination measurement face, the 5, second survey mass reference block, 5-1, plunger rod pilot hole, 5-2, V-type stopper slot, 5-3, positioning screw hole, 6, plunger rod dog screw.
Embodiment
Referring to Fig. 2, the present invention includes support 2, first survey mass 3, second survey mass 4 and the second survey mass reference block 5, described support 2 mates with measuring workpieces 1, described first survey mass 3 mates with the plunger rod 1-1 of measuring workpieces, stopper head 1-2 and the second survey mass reference block 5 of described second survey mass 4 and measuring workpieces mate, and described second survey mass reference block 5 is assembled by the plunger rod 1-1 of plunger rod dog screw 6 with measuring workpieces.
Referring to Fig. 3, Fig. 4, support 2 of the present invention is made up of base 2-3, support bar 2-2 and back up pad 2-1, described base 2-3 is arranged measuring workpieces trip bolt 2-4, described support bar 2-2 is uniform along base 2-3 circumference, the upper and lower end face of described back up pad 2-1 is level reference, it is arranged on support bar 2-2 upper end, and on back up pad 2-1, in uniform one group of plunger rod pilot hole 2-1-1(the present embodiment, plunger rod pilot hole 2-1-1 quantity is nine).
Referring to Fig. 5, Fig. 6, the first survey mass 3 of the present invention " T " font structure for toppling over, its transverse arm bottom surface is level reference, and its vertical arms side is be the inclination measurement face 3-1 of 90 ° of-α with level reference angle.
Referring to Fig. 7, the second survey mass 4 of the present invention is hexahedron structure, and its bottom surface is level reference, and left side is be the second survey mass inclination measurement face 4-1 of 90 ° of-β with level reference angle.
Referring to Fig. 2, Fig. 8, Fig. 9, the second survey mass reference block 5 of the present invention is inverted circular cone structure, and axially arrange plunger rod pilot hole 5-1 at the frustum of a cone, described plunger rod pilot hole is with V-type stopper slot 5-2; The frustum of a cone sidewall of the second survey mass reference block 5 is also provided with positioning screw hole 5-3, in described positioning screw hole, assembles plunger rod dog screw 6.
Referring to Figure 10, Figure 11, Figure 12, measuring workpieces 1 is fixed on support 2 by the measuring workpieces trip bolt 2-4 that bracket base 2-3 is arranged by the present invention, and the hinged seat location, lower end of plunger rod 1-1 is made by plunger rod pilot hole 2-1-1, utilize the measurement that the first survey mass 3 realizes plunger rod maximum space deflection angle, during measurement, the first survey mass 3 transverse arm bottom surface of the present invention and back up pad 2-1 upper surface are fitted as measuring level reference, light transmission when fitting according to the first survey mass inclination measurement face 3-1 and plunger rod 1-1 outer wall judges whether the maximum space deflection angle α ＇ of the plunger rod of measured workpiece meets the requirements, during both laminatings, if binding face bottom printing opacity illustrates the maximum space angle of deflection ＇ > α of the plunger rod of measuring workpieces, if otherwise binding face top printing opacity, the maximum space angle of deflection ＇ < α of the plunger rod of measuring workpieces is described.
Referring to Figure 13, Figure 14, Figure 15, the present invention utilizes the second survey mass 4 to coordinate with the second survey mass reference block 5 measurement realized stopper head maximum space deflection angle, by the plunger rod pilot hole 5-1 of the second survey mass reference block 5 and plunger rod dog screw 6, the plunger rod 1-1 of measuring workpieces 1 is fixed, second survey mass 4 with the second survey mass reference block 5 upper surface for positioning reference plane is measured stopper head maximum space deflection angle β, light transmission when fitting with stopper head 1-2 according to the second survey mass 4 judges whether the maximum space deflection angle β ＇ of the stopper head of measured workpiece meets the requirements, during both laminatings, if binding face bottom printing opacity illustrates β ＇ > β, if otherwise binding face top printing opacity, β ＇ < β is described.
Claims (5)
1. a two articulated structure plunger rod head angle measurement unit, it is characterized in that, it comprises support (2), first survey mass (3), second survey mass (4) and the second survey mass reference block (5), described support (2) mates with measuring workpieces (1), described first survey mass (3) is mated with the plunger rod (1-1) of measuring workpieces, stopper head (1-2) and the second survey mass reference block (5) of described second survey mass (4) and measuring workpieces mate, described second survey mass reference block (5) is assembled by the plunger rod (1-1) of plunger rod dog screw (6) with measuring workpieces,
Described support (2) is made up of base (2-3), support bar (2-2) and back up pad (2-1), described base (2-3) is arranged measuring workpieces trip bolt (2-4), described support bar (2-2) is uniform along base (2-3) circumference, described back up pad (2-1) upper and lower end face is level reference, it is arranged on support bar (2-2) upper end, the upper uniform one group of plunger rod pilot hole (2-1-1) of back up pad (2-1).
2. the two articulated structure plunger rod head angle measurement unit of one according to claim 1, it is characterized in that, described first survey mass (3) " T " font structure for toppling over, its transverse arm bottom surface is level reference, its vertical arms side is be the inclination measurement face (3-1) of 90 ° of-α with level reference angle, and wherein α is plunger rod (1-1) and the maximum space deflection angle of the plane orthogonal axis at its place.
3. the two articulated structure plunger rod head angle measurement unit of one according to claim 2, it is characterized in that, described second survey mass (4) is hexahedron structure, its bottom surface is level reference, left side is be the second survey mass inclination measurement face (4-1) of 90 ° of-β with level reference angle, and wherein β is stopper head (1-2) and plunger axis maximum space deflection angle.
4. the two articulated structure plunger rod head angle measurement unit of one according to claim 3, it is characterized in that, described second survey mass reference block (5) is inverted circular cone structure, axially arrange plunger rod pilot hole (5-1) at the frustum of a cone, described plunger rod pilot hole is with V-type stopper slot (5-2).
5. the two articulated structure plunger rod head angle measurement unit of one according to claim 4, it is characterized in that, the frustum of a cone sidewall of described second survey mass reference block (5) is also provided with positioning screw hole (5-3), in described positioning screw hole, assembles plunger rod dog screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392128.2A CN103438792B (en) | 2013-09-02 | 2013-09-02 | Double-hinged structure plunger rod head angle measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392128.2A CN103438792B (en) | 2013-09-02 | 2013-09-02 | Double-hinged structure plunger rod head angle measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438792A CN103438792A (en) | 2013-12-11 |
| CN103438792B true CN103438792B (en) | 2015-01-28 |
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| CN201310392128.2A Active CN103438792B (en) | 2013-09-02 | 2013-09-02 | Double-hinged structure plunger rod head angle measurement device |
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Families Citing this family (1)
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| CN110657774B (en) * | 2019-08-27 | 2021-02-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Free angle limit value measuring clamp of plunger assembly body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101398282B (en) * | 2007-09-30 | 2010-11-10 | 中航力源液压股份有限公司 | Synthesis measurement method and device for manufacturing engineering machinery hydraulic components |
| CN201607204U (en) * | 2010-03-04 | 2010-10-13 | 王朝誉 | Gauge block for measure of die |
| CN201897455U (en) * | 2010-10-22 | 2011-07-13 | 耐普罗机械（苏州）有限公司 | Measuring fixture for slider of plastic mold |
| CN202903069U (en) * | 2012-08-21 | 2013-04-24 | 中冶天工集团有限公司 | Inclined plane equipment standard measuring block |
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