CN203298706U - Verticality testing fixture - Google Patents
Verticality testing fixture Download PDFInfo
- Publication number
- CN203298706U CN203298706U CN2013203753579U CN201320375357U CN203298706U CN 203298706 U CN203298706 U CN 203298706U CN 2013203753579 U CN2013203753579 U CN 2013203753579U CN 201320375357 U CN201320375357 U CN 201320375357U CN 203298706 U CN203298706 U CN 203298706U
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- verticality
- leveling ruler
- arrangement
- measuring
- table bar
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a verticality testing fixture and relates to the field of tool testing fixture manufacturing technology. The verticality testing fixture comprises a dial indicator clamped on a dial rod, the dial rod is sleeved a positioner and mounted to a bottom of a leveling ruler via screws, and positioning blocks are disposed at two sides of the dial rod at the bottom of the leveling ruler. Compared with the prior art, the verticality testing fixture can accurately and rapidly test the verticality of an axis of a slide hole of a machine body to a middle body mounting plane.
Description
Technical field
The utility model relates to testing tool manufacturing technology field, especially a kind of cubing of dedicated test verticality of the fuselage for compressor.
Background technology
Fuselage is one of important parts of piston compressor, plays to bear support various movement parts and guarantee its position relationship effect.Therefore, the manufacturing accuracy of fuselage directly affects the installation quality of compressor.A kind of fuselage of compressor; The fuselage top is provided with two tilting middle body mounting planes, vertical towards being provided with skidway hole with middle body mounting plane; Be located at clutch shaft bearing hole and the second dead eye on fuselage; Between these planes and hole, the associated of dimensional tolerence and form and position tolerance arranged; Wherein the verticality of skidway hole axis centered body mounting plane is one of important indicator that detects the fuselage form and position tolerance, because body volume is huge, and complex structure, dimensional tolerence can be measured; Form and position tolerance uses conventional cubing to be difficult to measure, and need just can measure with special three-coordinates measuring machine, but special three-coordinates measuring machine cost is high, does not generally adopt; The precision of form and position tolerance all relies on equipment precision to ensure for a long time, this also is unfavorable for the quality control of product in manufacture process, in the verticality detection method of existing fuselage, also do not have a kind of cubing and detection means to go for above-mentioned fuselage, many enterprises and forefathers are the skidway hole of this fuselage of solution and verticality detection method and the means of middle body mounting plane, carried out a large amount of tests, a kind of suitable process means of acquisition and method have not been arranged so far.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of energy accurately, the arrangement for measuring verticality that fast verticality of the skidway hole axis centered body mounting plane of fuselage detected.
The technical scheme that the utility model technical solution problem adopts is: the technical scheme that the utility model technical solution problem adopts is: this arrangement for measuring verticality comprises the dial gauge that is located on the table bar, described table bar is contained in the bottom of leveling ruler by screw, on described table bar, be set with steady arm; The described table bar both sides of the bottom of described leveling ruler are equipped with locating piece.
In above-mentioned arrangement for measuring verticality technical scheme, technical scheme can also be more specifically: the outer of described steady arm is provided with two contact pins at least, and the head of described contact pin is spheroid, and between two described contact pins, angle is 60 degree.
Further, described leveling ruler is provided with the elongated slot of regulating described locating piece and described table bar.
Further, described table bar has the table post and is inserted into the supporting rod on described table post, and an end of described supporting rod is provided with the clamp that clamps described dial gauge.
Further, Yi Cede side, the nearly described leveling ruler of described locating piece termination is arcwall face.
Owing to having adopted technique scheme, compared with prior art, the beneficial effect that has is the utility model: 1, the utility model can be fast measured the verticality of the skidway hole axis centered body mounting plane of fuselage, and is simple, practical; 2, can control the verticality of the skidway hole axis centered body mounting plane in the fuselage manufacture process, for the installation quality that improves compressor provides technical guarantee.
The accompanying drawing explanation
Fig. 1 is the structural representation of the fuselage that arrangement for measuring verticality is housed of the utility model embodiment.
Fig. 2 is the structural representation of embodiment.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is that the K of Fig. 2 is to view.
Fig. 5 is the cut-open view at the A-A place of Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Fuselage as shown in Figure 1 has tilting middle body mounting plane b in the both sides, top respectively, on fuselage, be provided with the skidway hole of axis a perpendicular to middle body mounting plane b, skidway hole is upper looping pit and the lower looping pit of two ladders, between upper looping pit and middle body mounting plane, is provided with pilot hole; The requirement of fuselage skidway hole axis centered body mounting plane verticality is 0.03.
As Fig. 2, Fig. 3, arrangement for measuring verticality shown in Figure 4 and Figure 5, comprise the dial gauge 7 that is located on the table bar, the table bar has table post 5 and is inserted into the supporting rod 6 on table post 5, one end of supporting rod 6 is provided with the clamp of the dial gauge 7 that clamps, dial gauge 7 is installed on clamp, by tightening the screw that is contained on clamp, dial gauge 7 is fixed on supporting rod 6; The table bar is contained in the bottom of leveling ruler 1 by screw, on the table bar, be set with steady arm 4, and two contact pins 3 are equipped with in the outer of the steady arm 4 of the present embodiment, and the head of described contact pin is spheroid, and between two contact pins 3, angle is 60 degree; Steady arm 4 is fixed on steady arm 4 on table post 5 by the screw that installed sidewall; The table bar both sides of the bottom of leveling ruler 1 are equipped with locating piece 2, and locating piece 2 is arcwall face near stating leveling ruler 1 Yi Cede side, termination; The present embodiment is provided with the elongated slot of regulating locating piece 2 and table bar on leveling ruler 1.
During work, the middle body mounting plane b that leveling ruler 1 is placed on to fuselage is upper, and two locating pieces 2 are inserted in pilot hole, and the arcwall face of locating piece 2 and the inwall of pilot hole connect; Regulate screw on the table post 5 of leveling ruler 1 two contact pins of steady arm 4 and the upper looping pit inwall of fuselage are connected, the contact pin of dial gauge 7 and lower looping pit inwall connect; Leveling ruler 1 is rotated in pilot hole, measure six diameters of the six direction of lower looping pit, determined that the full-scale reading value M of time looping pit diameter is 270.052 millimeters, the least count value N of lower looping pit diameter is 270 millimeters; Unload leveling ruler 1, the numerical value of measuring two two the ultimate range d between locating piece 2 outsides is 461 millimeters, and the numerical value of measuring the breadth extreme D of described middle body mounting plane b is 500 millimeters; The verticality f of skidway hole axis centered body mounting plane is 1/2(M-N) * D/d, bring measured numerical value into calculating formula and be: f=1/2(270.052-270) * 500/461=0.028 gets final product.
The verticality of the fuselage skidway hole axis centered body mounting plane of the present embodiment is 0.028 less than 0.03 of designing requirement, illustrates that the verticality of this fuselage skidway hole axis centered body mounting plane is in the scope of designing requirement.The verticality of fuselage skidway hole axis centered body mounting plane is measured, calculated to available the method in other embodiment, and whether the verticality that judges the skidway hole axis centered body mounting plane of this fuselage reach designing requirement, simple, practical, quick and cost is low.
Claims (6)
1. an arrangement for measuring verticality, comprise the dial gauge (7) that is located on the table bar, and it is characterized in that: described table bar is contained in the bottom of leveling ruler (1) by screw, on described table bar, is set with steady arm (4); The described table bar both sides of the bottom of described leveling ruler (1) are equipped with locating piece (2).
2. arrangement for measuring verticality according to claim 1, it is characterized in that: the outer of described steady arm (4) is provided with two at least, and the head of described contact pin (3) is spheroid, and between two described contact pins (3), angle is 60 degree.
3. arrangement for measuring verticality according to claim 1 is characterized in that: described leveling ruler (1) is provided with the elongated slot of regulating described locating piece (2) and described table bar.
4. according to claim 1 and 2 or 3 described arrangement for measuring verticalities, it is characterized in that: described table bar has table post (5) and is inserted into the supporting rod (6) on described table post (5), and an end of described supporting rod (6) is provided with the clamp that clamps described dial gauge (7).
5. according to claim 1 and 2 or 3 described arrangement for measuring verticalities, it is characterized in that: Yi Cede side, the nearly described leveling ruler of described locating piece (2) (1) termination is arcwall face.
6. arrangement for measuring verticality according to claim 4, it is characterized in that: Yi Cede side, the nearly described leveling ruler of described locating piece (2) (1) termination is arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203753579U CN203298706U (en) | 2013-06-27 | 2013-06-27 | Verticality testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203753579U CN203298706U (en) | 2013-06-27 | 2013-06-27 | Verticality testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298706U true CN203298706U (en) | 2013-11-20 |
Family
ID=49574711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203753579U Expired - Fee Related CN203298706U (en) | 2013-06-27 | 2013-06-27 | Verticality testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203298706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801119A (en) * | 2018-06-20 | 2018-11-13 | 安徽江淮汽车集团股份有限公司 | A kind of arrangement for measuring verticality |
-
2013
- 2013-06-27 CN CN2013203753579U patent/CN203298706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801119A (en) * | 2018-06-20 | 2018-11-13 | 安徽江淮汽车集团股份有限公司 | A kind of arrangement for measuring verticality |
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Legal Events
| 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 |
Granted publication date: 20131120 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |