CN204308261U - One runs through connecting hole clamp for machining - Google Patents
One runs through connecting hole clamp for machining Download PDFInfo
- Publication number
- CN204308261U CN204308261U CN201420808636.4U CN201420808636U CN204308261U CN 204308261 U CN204308261 U CN 204308261U CN 201420808636 U CN201420808636 U CN 201420808636U CN 204308261 U CN204308261 U CN 204308261U
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- China
- Prior art keywords
- bushing plate
- connecting hole
- machining
- run
- bushing
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- Expired - Fee Related
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- 238000003754 machining Methods 0.000 title claims abstract description 23
- 230000003746 surface roughness Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000003672 processing method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Abstract
The utility model discloses one and run through connecting hole clamp for machining, comprise: the first bushing plate (1), the second bushing plate (2) and axle (3), second bushing plate (2) and an axle (3) are connected together, and the second bushing plate (2) is provided with lining (4), and quick change drill bushing is installed, the upper each own multiple connecting hole of first bushing plate (1), the second bushing plate (2), and the size of these connecting holes and position are all corresponding identical.After the utility model takes above scheme, technology stability when connecting hole positional precision and three assemble can be ensured, enhance productivity.This processing method structure is simple, the scope of application is wide, easy to operate, be convenient to promote the use of.
Description
Technical field
The one that relates to the utility model runs through connecting hole clamp for machining.
Background technology
At present, the align reaming processing between the two of high speed high-power diesel engine crank axle peculiar to vessel, inertial flywheel is typical case, conventional scheme, but require between bent axle, inertial flywheel, motor shaft flange three that align reaming processing scheme is few employing simultaneously, its connection holes dimensional accuracy, position accuracy demand are strict, particularly three is size and the heavy part of bulky, quality and product, and align reaming difficulty of processing is very big.
These three kinds of parts run through processing mode, the machining accuracy of connecting hole, directly affect the assembly difficulty of diesel engine, assembly quality and service life thereof.
This processing method belongs to Machining Technology field, relate to current domestic Medium-and-High Speed Marine Diesel Engine Large Crankshaft (long 5730 ㎜ × trunnion diameter phi 370 ㎜ × crank pin diameter φ 350 ㎜, finished weight 6200 ㎏), flywheel (diameter phi 1800 ㎜, finished weight 3000 ㎏), the motor shaft flange (motor of outsourcing, long 2550 ㎜ × wide 1735 ㎜ × high 1888 ㎜, finished product gross weight 9000 ㎏, motor shaft is non-dismountable) align reaming processing and Butt Assembling technology.Run through connection holes size φ 40 ~ 60mm, accuracy class is H7, surface roughness Ra 0.8 ~ 1.6um, positional precision 0.02 ㎜, run through connection bent axle, flywheel, motor shaft flange by major diameter hinged bolts rigidity during assembling, make crankshaft of diesel engine, flywheel become as a whole with motor.
The align reaming processing of bent axle, flywheel, motor shaft flange three is very difficult, can not ensure drawing requirement.
Traditional use positive and negative two sides of bushing plate individually machining crankshafts, flywheel connecting hole, then process motor shaft flange hole with this bushing plate.According to said method add man-hour, due to bent axle and motor shaft flange when assembling be mirror to relation, equal to be exaggerated the position error of drill jig processing like this, the motor axis hole of processing can not ensure drawing requirement, and during assembling, three cannot assemble.Due to foozle, connecting hole can not in theoretical tram, and in order to ensure part processing precision, when needing the drill jig accuracy of manufacture and drill jig to use, machining accuracy is high, improves the manufacture difficulty of fixture, maintenance difficulty and manufacturing cost.
First be pre-installed in together by bent axle, flywheel, motor shaft flange, align reaming difficulty of processing is very big simultaneously.
Current domestic middle high speed diesel engine Large Crankshaft (long 5730 ㎜ × trunnion 370 ㎜ × crank pin diameter φ 350 ㎜, finished weight 6200 ㎏), flywheel (diameter phi 1800 ㎜, finished weight 3000 ㎏), motor shaft flange (outsourcing motor, long 2550 ㎜ × wide 1735 ㎜ × high 1888 ㎜, finished product gross weight 9000 ㎏, motor shaft is non-dismountable) be linked together, size exceeds process equipment workbench, and without processing space, secondly align reaming adds man-hour, due to three kinds of External Shapes, weight is huge, to lift during operative, install, centering is very difficult, there is potential safety hazard simultaneously, the method is infeasible.
Utility model content
The present utility model object is to overcome above-mentioned deficiency of the prior art, for solving bent axle, flywheel, motor shaft flange three assembling by the processing difficult problem running through connecting hole, proposes the design of a set of new fixture.Technology stability when connecting hole positional precision and three assemble can be ensured, enhance productivity.This processing method structure is simple, the scope of application is wide, easy to operate, be convenient to promote the use of.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
One runs through connecting hole clamp for machining, comprising:
First bushing plate (1), the second bushing plate (2) and axle (3), second bushing plate (2) and an axle (3) are connected together, and the second bushing plate (2) is provided with lining (4), and quick change drill bushing is installed, the upper each own multiple connecting hole of first bushing plate (1), the second bushing plate (2), and the size of these connecting holes and position are all corresponding identical.
Further, preferably, described first bushing plate (1) or the second bushing plate (2) are provided with housing screw (9).
Further, preferably, the first bushing plate (1), the second bushing plate (2) are respectively equipped with bent axle, flywheel connecting hole, and are installed together with motor shaft Flange joint.
Further, preferably, the size φ 40 ~ 60mm of described connecting hole, accuracy class is H7, surface roughness Ra 0.8 ~ 1.6um, positional precision 0.02 ㎜.
Further, preferably, the side of described first bushing plate (1), the second bushing plate (2) prints and has part name.
Further, preferably, the outside of described first bushing plate (1) or the second bushing plate (2) is provided with a lifting screw (10).
Further, preferably, the outside of the multiple connecting holes on described first bushing plate (1), the second bushing plate (2) is all provided with boss, and the shape of this boss is band toroidal jaggy, and annulus and straight line connection are an annulus, this annulus place arranges described housing screw (9).
Further, preferably, described multiple connecting hole is set to 8.
After the utility model takes above scheme, technology stability when connecting hole positional precision and three assemble can be ensured, enhance productivity.This processing method structure is simple, the scope of application is wide, easy to operate, be convenient to promote the use of.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from description, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write description, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in detail, to make above-mentioned advantage of the present utility model definitely.
Fig. 1 is the front schematic view that the utility model runs through the first bushing plate of connecting hole clamp for machining;
Fig. 2 is the side structure schematic diagram that the utility model runs through the second bushing plate of connecting hole clamp for machining;
Fig. 3 is the side structure schematic diagram that the utility model runs through the first bushing plate of connecting hole clamp for machining;
Fig. 4 is the using state schematic diagram that the utility model runs through connecting hole clamp for machining.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.
The present utility model object is to overcome above-mentioned deficiency of the prior art, for solving bent axle, flywheel, motor shaft flange three assembling by the processing difficult problem running through connecting hole, proposes the design of a set of new fixture.Technology stability when connecting hole positional precision and three assemble can be ensured, enhance productivity.This processing method structure is simple, the scope of application is wide, easy to operate, be convenient to promote the use of.
Specifically, the technical solution used in the present invention is:
Design a kind of new fixture scheme being applicable to the processing of three kinds of part connection articulation holes.In design, fixture is a set of, mainly comprise three large modules: the first bushing plate 1, second bushing plate 2, axle 3, wherein, using method: bushing plate 1 processes motor shaft flange, secondary is used after bushing plate 2 and axle 3 combine, after machining crankshafts, quick change drill bushing is changed to the opposite of bushing plate 2, reprocessing flywheel.
Consider the reliability that fixture manufactures and precision uniformity in chuck designs, after the first bushing plate 1, second bushing plate 2 and axle 3 three combine, time processing connects (each 8) hole, can ensure size and positional precision simultaneously.
Because this fixture is not as a whole, first bushing plate 1 and the second bushing plate 2(second bushing plate 2 and axle 3 combine one and reinstate) use respectively, the mirror produced when assembling for avoiding bent axle and motor shaft flange is to position error, two pieces of bushing plates are linked together by axle when fixture manufactures, process connection (each 8) hole, meet connection holes size φ 40 ~ 60mm, accuracy class is H7 simultaneously, surface roughness Ra 0.8 ~ 1.6um, positional precision 0.02 ㎜.Setup error in using to prevent fixture, during fabrication fixture side have printed part name, instructs workman proper use of.
With the hole that new fixture is processed, dimensional accuracy and positional precision can meet drawing requirement, and bent axle, flywheel, motor enter general assembly scene and install smoothly afterwards.Improve crudy and the production efficiency of parts, ensure that the assembly quality of diesel engine.
Specifically, as shown in Figure 1, 2, 3, one runs through connecting hole clamp for machining, comprising:
First bushing plate 1, second bushing plate 2 and axle 3, second bushing plate 2 and an axle 3 are connected together, and the second bushing plate 2 is provided with lining 4, and quick change drill bushing is installed, each own multiple connecting hole on first bushing plate 1, second bushing plate 2, and the size of these connecting holes and position are all corresponding identical.
Further, preferably, described first bushing plate 1 or the second bushing plate 2 are provided with housing screw 9.
Further, preferably, the first bushing plate 1, second bushing plate 2 is respectively equipped with bent axle connecting hole, and is installed together with motor shaft Flange joint.
Further, preferably, the size φ 40 ~ 60mm of described connecting hole, accuracy class is H7, surface roughness Ra 0.8 ~ 1.6um, positional precision 0.02 ㎜.
Further, preferably, the side of described first bushing plate 1, second bushing plate 2 prints and has part name.
Further, preferably, the outside of described first bushing plate 1 or the second bushing plate 2 is provided with a lifting screw 10.
Further, preferably, the outside of the multiple connecting holes on described first bushing plate 1, second bushing plate 2 is all provided with boss, and the shape of this boss is band toroidal jaggy, and annulus and straight line connection are an annulus, this annulus place arranges described housing screw 9.
Further, preferably, described multiple connecting hole is set to 8.
As shown in Figure 4, bent axle 101 is connected with the second bushing plate; Or the second bushing plate 2 is connected with a flywheel 301; And motor is connected with the first bushing plate 1 by motor shaft 201.
By field adjustable and tracking, bent axle, flywheel, motor shaft connecting hole dimensional accuracy and form and position tolerance that this method is processed meet drawing requirement, convenient for assembly.Improve processing and efficiency of assembling, technology stability is good, ensures diesel engine assembly quality.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. run through a connecting hole clamp for machining, it is characterized in that, comprising:
First bushing plate (1), the second bushing plate (2) and axle (3), second bushing plate (2) and an axle (3) are connected together, and the second bushing plate (2) is provided with lining (4), and quick change drill bushing is installed, the upper each own multiple connecting hole of first bushing plate (1), the second bushing plate (2), and the size of these connecting holes and position are all corresponding identical.
2. according to claim 1ly run through connecting hole clamp for machining, it is characterized in that, described first bushing plate (1) or the second bushing plate (2) are provided with housing screw (9).
3. according to claim 1 and 2ly run through connecting hole clamp for machining, it is characterized in that, the first bushing plate (1) is provided with motor shaft flange, the second bushing plate (2) is respectively equipped with bent axle connecting hole, and together with being connected and installed with flywheel.
4. according to claim 1 and 2ly run through connecting hole clamp for machining, it is characterized in that, the size φ 40 ~ 60mm of described connecting hole, accuracy class is H7, surface roughness Ra 0.8 ~ 1.6um, positional precision 0.02 ㎜.
5. according to claim 1 and 2ly run through connecting hole clamp for machining, it is characterized in that, described first bushing plate (1) side printing have the side, two ends of motor shaft title, the second bushing plate (2) prints respectively has bent axle and flywheel title.
6. according to claim 1 and 2ly run through connecting hole clamp for machining, it is characterized in that, the outside of described first bushing plate (1) or the second bushing plate (2) is provided with a lifting screw (10).
7. according to claim 2ly run through connecting hole clamp for machining, it is characterized in that, the outside of the multiple connecting holes on described first bushing plate (1), the second bushing plate (2) is all provided with boss, and the shape of this boss is band toroidal jaggy, and annulus and straight line connection are an annulus, this annulus place arranges described housing screw (9).
8. according to claim 1 and 2ly run through connecting hole clamp for machining, it is characterized in that, described multiple connecting hole is set to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808636.4U CN204308261U (en) | 2014-12-19 | 2014-12-19 | One runs through connecting hole clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808636.4U CN204308261U (en) | 2014-12-19 | 2014-12-19 | One runs through connecting hole clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308261U true CN204308261U (en) | 2015-05-06 |
Family
ID=53130593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808636.4U Expired - Fee Related CN204308261U (en) | 2014-12-19 | 2014-12-19 | One runs through connecting hole clamp for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923763A (en) * | 2015-07-17 | 2015-09-23 | 昆山莱捷有色金属有限公司 | Universal type bushing flange structure |
| CN110369764A (en) * | 2019-08-06 | 2019-10-25 | 桂林福达曲轴有限公司 | A kind of crankshaft stub end protection cap |
-
2014
- 2014-12-19 CN CN201420808636.4U patent/CN204308261U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923763A (en) * | 2015-07-17 | 2015-09-23 | 昆山莱捷有色金属有限公司 | Universal type bushing flange structure |
| CN110369764A (en) * | 2019-08-06 | 2019-10-25 | 桂林福达曲轴有限公司 | A kind of crankshaft stub end protection cap |
| CN110369764B (en) * | 2019-08-06 | 2021-06-22 | 桂林福达曲轴有限公司 | A crankshaft big end protection cover |
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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: 20150506 |