CN204142168U - A kind of crankshaft key slot device for detecting symmetry degree - Google Patents
A kind of crankshaft key slot device for detecting symmetry degree Download PDFInfo
- Publication number
- CN204142168U CN204142168U CN201420641176.0U CN201420641176U CN204142168U CN 204142168 U CN204142168 U CN 204142168U CN 201420641176 U CN201420641176 U CN 201420641176U CN 204142168 U CN204142168 U CN 204142168U
- Authority
- CN
- China
- Prior art keywords
- bent axle
- ram
- keyway
- key slot
- bearing pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 7
- 239000004579 marble Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a kind of crankshaft key slot device for detecting symmetry degree.Comprise U-shaped support, frame upper is provided with ram, and ram is provided with dial gauge and extends there through, and dial gauge also can be fixed by transverse shifting in ram; Bent axle is placed in the neutral portion of described support, and bent axle is fixed by two bifurcateds of keyway by support.The utility model is placed in the keyway of bent axle by the bearing pin on both sides, mobile ram drives dial gauge, finds the peak of bent axle cylinder, record reading, and then the reading on one side is in addition detected by identical method, the half of both differences is the data of crankshaft key slot symmetry; Therefore to use very convenient, structure also very simple for structure of the present utility model, and the degree of accuracy simultaneously detected also can be ensured very well.
Description
Technical field
The utility model relates to a kind of piece test special purpose device, particularly Large Crankshaft, cannot detect and rotate inconvenient crankshaft checking by upper mounting plate, uses this device can save detection time and improve measuring accuracy, belongs to frock technical field.
Background technology
Due to usually according to existing detection technique, all measure by three-dimensional or in marble platform, such detection due to three-dimensional detect time, keyway surface of contact is little, cause the data of detection inaccurate, and in marble platform, the large and consumption manpower of Large Crankshaft detection difficulty, detects the data drawn also inaccurate.
Utility model content
The utility model is for above-mentioned defect, and object is that providing a kind of reduces person works's amount, improves a kind of crankshaft key slot device for detecting symmetry degree of accuracy of detection.
The technical solution adopted in the utility model is for this reason: the utility model comprises U-shaped support (1), support (1) top is provided with ram (2), ram (2) is provided with dial gauge (3) and extends there through, and dial gauge (3) also can be fixed by transverse shifting in ram (2);
Bent axle (4) is placed in the neutral portion of described support (1), and bent axle (4) is fixed by two bifurcateds (11) of keyway (41) by support (1).
Described two bifurcateds (11) are laterally provided with through hole, are equipped with bearing pin (12) in through hole, and keyway (41) correspondence of bearing pin (12) and bent axle (4) is arranged.
Described bearing pin (12) can move in through hole, is fixed to form Contact bent axle (4) with keyway (41).
The bearing pin (12) of described both sides is simultaneously to the lower surface or the upper surface that are located at corresponding keyway (41).
The utility model has the advantages that: the utility model is placed in the keyway of bent axle by the bearing pin on both sides, mobile ram drives dial gauge, find the peak of bent axle cylinder, record reading, and then the reading on one side is in addition detected by identical method, the half of both differences is the data of crankshaft key slot symmetry; Therefore to use very convenient, structure also very simple for structure of the present utility model, and the degree of accuracy simultaneously detected also can be ensured very well.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1 be support, 2 be ram in figure, 3 be dial gauge, 4 for bent axle;
11 is that bifurcated, 12 is for bearing pin;
41 is keyway.
Embodiment
The utility model comprises U-shaped support 1, and support 1 top is provided with ram 2, and ram 2 is provided with dial gauge 3 and extends there through, and dial gauge 3 also can be fixed by transverse shifting in ram 2;
Bent axle 4 is placed in the neutral portion of described support 1, and bent axle 4 is fixed by two bifurcateds 11 of keyway 41 by support 1.
Described two bifurcateds 11 are laterally provided with through hole, are equipped with bearing pin 12 in through hole, and keyway 41 correspondence of bearing pin 12 and bent axle 4 is arranged.
Described bearing pin 12 can move in through hole, is fixed to form Contact bent axle 4 with keyway 41.
The bearing pin 12 of described both sides is simultaneously to the lower surface or the upper surface that are located at corresponding keyway 41.
The utility model as shown in Figure 1, dial gauge 3 is packed into ram 2, in the M8 of side, hexagonal holding screw is fixed, then ram 2 is fixed on support 1 by hexagonal holding screw in M8, again bearing pin 12 is put in the pin-and-hole of support 1, and fixed by hexagonal holding screw in 2XM8, now cubing assembles substantially.
Bent axle 4 to be checked is placed on inspection district by the utility model, the both sides bearing pin 12 of this device as shown in Figure 1, be placed in the keyway 41 of bent axle 4, by the distance of holding screw adjustment bearing pin 12, now move ram 2 and drive dial gauge 3, find the peak of bent axle 4 cylinder, record reading, and then the reading on one side is in addition detected by identical method, the half of both differences is the data of bent axle 4 keyway 41 symmetry.
Bearing pin 12 of the present utility model is simultaneously to the lower surface or the upper surface that are located at corresponding keyway 41, such structure is in use due to the restriction of bearing pin 12 pairs of keyway 41 end faces, thus in testing process, bent axle 4 can not rotate, thus ensures the degree of accuracy of detection further.
Claims (4)
1. a crankshaft key slot device for detecting symmetry degree, it is characterized in that, comprise U-shaped support (1), support (1) top is provided with ram (2), ram (2) is provided with dial gauge (3) and extends there through, and dial gauge (3) also can be fixed by transverse shifting in ram (2);
Bent axle (4) is placed in the neutral portion of described support (1), and bent axle (4) is fixed by two bifurcateds (11) of keyway (41) by support (1).
2. a kind of crankshaft key slot device for detecting symmetry degree according to claim 1, is characterized in that, described two bifurcateds (11) are laterally provided with through hole, are equipped with bearing pin (12) in through hole, and keyway (41) correspondence of bearing pin (12) and bent axle (4) is arranged.
3. a kind of crankshaft key slot device for detecting symmetry degree according to claim 2, is characterized in that, described bearing pin (12) can move in through hole, is fixed to form Contact bent axle (4) with keyway (41).
4. a kind of crankshaft key slot device for detecting symmetry degree according to Claims 2 or 3, is characterized in that, the bearing pin (12) of described both sides is simultaneously to the lower surface or the upper surface that are located at corresponding keyway (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641176.0U CN204142168U (en) | 2014-10-31 | 2014-10-31 | A kind of crankshaft key slot device for detecting symmetry degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641176.0U CN204142168U (en) | 2014-10-31 | 2014-10-31 | A kind of crankshaft key slot device for detecting symmetry degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204142168U true CN204142168U (en) | 2015-02-04 |
Family
ID=52418849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641176.0U Expired - Fee Related CN204142168U (en) | 2014-10-31 | 2014-10-31 | A kind of crankshaft key slot device for detecting symmetry degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204142168U (en) |
-
2014
- 2014-10-31 CN CN201420641176.0U patent/CN204142168U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 |