CN203621954U - Center support fixture for drilling crankshaft reducer hole - Google Patents
Center support fixture for drilling crankshaft reducer hole Download PDFInfo
- Publication number
- CN203621954U CN203621954U CN201320726874.6U CN201320726874U CN203621954U CN 203621954 U CN203621954 U CN 203621954U CN 201320726874 U CN201320726874 U CN 201320726874U CN 203621954 U CN203621954 U CN 203621954U
- Authority
- CN
- China
- Prior art keywords
- center
- locating
- bearing
- crankshaft
- hole
- 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
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Abstract
The utility model discloses a centre support fixture for a drilling crankshaft reducer hole, which comprises three sets of center locating seats, wherein the center locating seats are equally divided by 120 degrees and are installed in the locating sleeves of a center frame, the center locating seat comprises a support seat, a vertical locating groove and a horizontal locating hole are formed in the support seat, a bearing is arranged in the vertical locating groove the center support fixture further comprises a mandrel penetrating through the horizontal locating hole and the bearing, the bearing rotates relative to the mandrel, and a nut is arranged at one end of the mandrel and in a position tightly close to the support seat. The center support fixture has the benefits that the center locating seats are all arranged in the locating sleeves, then a crankshaft locating shaft is installed on the bearings of the three center locating seats, the center of the center frame is regulated to regulate a handle to find the center of a crankshaft, so that the center of the center frame is determined.
Description
Technical field
The utility model belongs to mechanical field, is specifically related to a kind of bent axle concentric reducer hole central supported fixture that bores.
Background technology
At present, most brill bent axle concentric reducer hole central supported fixture is mounting center frame on machine tool guideway face, three bakelite rods are arranged on respectively in the axis of guide that is mutually 120 ° of centre frames, and the location of crankshaft flange axle journal is that realize the position by adjusting bakelite rod.The power of bearing due to brill bent axle concentric reducer hole centre frame is larger, and bakelite rod wearing and tearing are very fast, easily cause crankshaft center to change, and therefore often adjust the position of the bakelite rod of centre frame, and operative skill requires high, and quality stability is poor.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of bent axle concentric reducer hole central supported fixture that bores is provided, and adjusts and changes simply; Frock is durable, greatly reduces production cost; Constant product quality is good.
The technical scheme that the utility model adopts is: a kind of bent axle concentric reducer hole central supported fixture that bores, comprise centralized positioning seat, described centralized positioning seat is three groups, is installed on respectively in the positioning sleeve of centre frame, and centralized positioning seat comprises supporting seat, on described supporting seat, have vertical locating slot and located lateral hole, in vertical locating slot, be provided with bearing, also comprise axle, described axle is through located lateral hole and bearing, bearing phase center roller rotates, and axle one end is close to supporting seat and is provided with nut.
As preferably, described vertical locating slot width is 10.5 mm.
As preferably, described located lateral hole nominal diameter is 10 mm.
The beneficial effects of the utility model are: three group switching centre positioning seats are all arranged in positioning sleeve, add the use of centralized positioning seat bearing and axle, are convenient to centering crankshaft center, thereby determine the center of centre frame.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model uses status architecture schematic diagram.
In figure: 1, bearing; 2, supporting seat; 3, axle; 4, nut; 5, positioning sleeve.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of bent axle concentric reducer hole central supported fixture that bores, comprises centralized positioning seat, and described centralized positioning seat is three groups, be installed on respectively in the positioning sleeve 5 of centre frame, centralized positioning seat comprises supporting seat 2, has vertical locating slot and located lateral hole on described supporting seat 2, in vertical locating slot, is provided with bearing 1, also comprise axle 3, described axle 3 is through located lateral hole and bearing 1, and bearing 1 phase center roller 3 rotates, and axle 3 one end are close to supporting seat 2 and are provided with nut 4.As preferably, vertical locating slot width is 10.5 mm.As preferably, described located lateral bore dia is 10.cm.
Three group switching centre positioning seats are all arranged in positioning sleeve 5, then bent axle locating shaft are arranged on the bearing 1 of three centralized positioning seats, adjust the center of centre frame and adjust handle, centering crankshaft center, thereby the center of definite centre frame.
Due to the high-precision bearing 1 of selecting, rotating accuracy is high, and the hardness of bearing 1 is high simultaneously, not easy to wear, the center of bent axle is difficult for changing, and has guaranteed the stability of centralized positioning precision, reduced widely the frequency that centre frame is adjusted, product quality is improved.
Claims (3)
1. one kind is bored bent axle concentric reducer hole central supported fixture, it is characterized in that: comprise centralized positioning seat, described centralized positioning seat is three groups, is installed on respectively in the positioning sleeve of centre frame, and centralized positioning seat comprises supporting seat, on described supporting seat, have vertical locating slot and located lateral hole, in vertical locating slot, be provided with bearing, also comprise axle, described axle is through located lateral hole and bearing, bearing phase center roller rotates, and axle one end is close to supporting seat and is provided with nut.
2. brill bent axle concentric reducer according to claim 1 hole central supported fixture, is characterized in that: described vertical locating slot width is 10.5 mm.
3. brill bent axle concentric reducer according to claim 1 and 2 hole central supported fixture, is characterized in that: described located lateral hole nominal diameter is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726874.6U CN203621954U (en) | 2013-11-18 | 2013-11-18 | Center support fixture for drilling crankshaft reducer hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726874.6U CN203621954U (en) | 2013-11-18 | 2013-11-18 | Center support fixture for drilling crankshaft reducer hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621954U true CN203621954U (en) | 2014-06-04 |
Family
ID=50808472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726874.6U Expired - Fee Related CN203621954U (en) | 2013-11-18 | 2013-11-18 | Center support fixture for drilling crankshaft reducer hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312625A (en) * | 2016-09-28 | 2017-01-11 | 哈尔滨建成集团有限公司 | Special fixture for drilling large shaft end face of irregular step shaft part |
| CN106481673A (en) * | 2016-11-10 | 2017-03-08 | 平湖市山特螺纹工具有限公司 | The bearing support block of notch grinder |
-
2013
- 2013-11-18 CN CN201320726874.6U patent/CN203621954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312625A (en) * | 2016-09-28 | 2017-01-11 | 哈尔滨建成集团有限公司 | Special fixture for drilling large shaft end face of irregular step shaft part |
| CN106481673A (en) * | 2016-11-10 | 2017-03-08 | 平湖市山特螺纹工具有限公司 | The bearing support block of notch grinder |
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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: 20140604 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |