CN106736497A - The many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine and centering method based on telescope - Google Patents
The many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine and centering method based on telescope Download PDFInfo
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- CN106736497A CN106736497A CN201611127813.2A CN201611127813A CN106736497A CN 106736497 A CN106736497 A CN 106736497A CN 201611127813 A CN201611127813 A CN 201611127813A CN 106736497 A CN106736497 A CN 106736497A
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- bent axle
- blocks
- telescope
- adjustment block
- flat board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Abstract
Bent axle centering technical field the present invention relates to be based on telescope, a kind of especially many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine based on telescope, including bent axle, bent axle is provided with trunnion and rod journal, also include flat board, V blocks, spiral lift device, adjuster, L-type adjustment block, look in the distance mirror device, target equipment and shaft coupling, V blocks are placed on flat board, trunnion is placed on V blocks, spiral lift device is placed with flat board immediately below rod journal, it is bolted on rod journal and is installed with adjuster, level is bolted on adjuster and is installed with L-type adjustment block.Machining accuracy and quality of fit in view of keyway and flat key are difficult to ensure that the present invention improves bent axle assembly precision；By crankshaft dynamic balance problem caused by introducing keyway and flat key, solution is inherently derived；Reduce machining cost.
Description
Technical field
The present invention relates to bent axle centering technical field, especially a kind of assorted fibre multiple-axial warp knitting machine based on telescope
Many bent axle centering toolings and centering method.
Background technology
Assorted fibre multiple-axial warp knitting machine, is that the difference fiber such as carbon fiber, glass fibre is laid into according to different angles
Some fibrages, then with tricot machine by all fibres layer " bondage into cloth ", cut after, be made composite structure using RTM techniques
Part.
For the consideration of cost and efficiency, fibrage size is larger, and accordingly, the crankshaft designs of tricot machine obtain very long.Such as
This elongated bent axle, manufacture assembly difficulty is very big.Typically now all it is to make many short bent axles of identical, then combination is assembled into
A piece bent axle long.Such as Fig. 1.Obviously, it is ensured that the circumferential angular relationship of each bent axle is most important.Existing tricot machine, usually exists
Keyway is processed on single main bearing journal, during assembling, a flat key is loaded in the keyway of adjacent two bent axles simultaneously, that is, regarded
It is two bent axle centerings.This there are problems that many in fact.First, the cooperation of the machining accuracy, keyway and flat key of keyway and flat key
Precision all it is difficult to ensure that, the accuracy of alignment of such two bent axles cannot just ensure.Second, tricot machine speed of crankshaft is very high, single
Dynamic balancing is required for before bent axle assembling.But during single crankshaft dynamic balance, it is clear that the influence of flat key cannot be considered.This causes assembling
Dynamic equilibrium problems when whole crankshaft high-speed long afterwards rotates are complicated.The rotating speed and advanced international standard of domestic tricot machine exist
There is certain gap in speed of crankshaft, machine vibration, reliability, this should be a major reason.3rd, destroy trunnion
Structural integrity, is a stress concentration hidden danger.4th, increase Crankshaft Machining operation number.
The content of the invention
It is many invention provides a kind of assorted fibre multiple-axial warp knitting machine based on telescope in order to overcome existing deficiency
Bent axle centering tooling and centering method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of assorted fibre based on telescope is polyaxial
The many bent axle centering toolings of tricot machine, including bent axle, bent axle are provided with trunnion and rod journal, also including flat board, V blocks, spiral
Lowering or hoisting gear, adjuster, L-type adjustment block, mirror device of looking in the distance, target equipment and shaft coupling, V blocks are placed on flat board, trunnion
It is placed on V blocks, spiral lift device is placed with the flat board immediately below rod journal, is bolted on rod journal solid
Dingan County is equipped with adjuster, and the level that is bolted on adjuster is installed with L-type adjustment block.
According to another embodiment of the invention, further include, the number of the V blocks is two, two height of V blocks
Size is consistent.
According to another embodiment of the invention, further include, the adjuster includes work V blocks and clamps V blocks, work
Make V blocks and clamping V blocks are fixed by attachment screw.
According to another embodiment of the invention, further include, the work V blocks side is provided with bolt hole.
According to another embodiment of the invention, further include, the number of the bolt hole is two
According to another embodiment of the invention, further include, the L-type adjustment block is provided with two bolt grooves, bolt
Groove is provided with bolt, and bolt groove matches with bolt.
According to another embodiment of the invention, further include, the distance between described two bolts hole and two spiral shells
The distance between bolt groove is consistent.
According to another embodiment of the invention, further include, the mirror device of looking in the distance includes telescope and flexible branch
Frame, the collimation axis of telescope is parallel to telescope support bottom surface.
According to another embodiment of the invention, further include, the target equipment includes target and target support, mark
The center of working face of target is carved with " ten " word, and the working face of target is perpendicular to target cradle bottom surface.
A kind of many bent axle centering methods of assorted fibre multiple-axial warp knitting machine based on telescope, the following institute of centering method step
State：
1) two V blocks are vertically disposed on flat board, the trunnion of bent axle is placed on V blocks, measure the diameter of trunnion, remembered
It is d1, measures height of the trunnion Up Highway UHW apart from planar surface, be designated as h1, draws the axial line of trunnion apart from flat board table
The height H in face：
H= h1 - d1/2
2) diameter of bent axle upper connecting rod axle journal cross section is measured, d2 is designated as, spiral lift device is being positioned over rod journal just
On the flat board of lower section, lifting spiral lift device so as to lifting step by step rod journal, until measure rod journal Up Highway UHW away from
It is h2 from the height of planar surface：
h2=H + d2/2
Now, the axial line of rod journal is H apart from the height of planar surface.
3) work V blocks and clamping V blocks are held on rod journal by attachment screw, work V blocks side and flat board table
Face is vertical, tightens the attachment screw on work V blocks and clamping V blocks, and work V blocks and clamping V blocks are fixed on rod journal.
4) bolt is crossed the bolt groove of L-type adjustment block, and screws in the bolt hole of work V blocks side, regulation L-type adjusts
Monoblock, until the distance for measuring L-type adjustment block working face with planar surface is H, tightens bolt, and L-type adjustment block is fixed on into work
Make on V blocks side.
5) all bent axles being arranged on tricot machine are performed both by aforesaid operations.
6) mirror device, the target equipment of looking in the distance are placed on flat board, fixed target equipment, adjust the height of telescope support, directly
Overlapped with " ten " word of the center of working face of target equipment 11 to telescope collimation axis.
7) bent axle is installed, first the bearing hole by a crankshaft installed with adjuster and L-type adjustment block on tricot machine
In and it is fixed, mirror device of looking in the distance is placed on the working face of L-type adjustment block of bent axle, then adjuster and L-type are carried by second
In bearing hole of the crankshaft installed of adjustment block on tricot machine, target equipment is placed on second L-type adjustment block work of bent axle
Make on face, the axial line by second bent axle around bearing hole is rotated, if look in the distance mirror device and target equipment work in L-type adjustment block
When any mobile on face, the collimation axis of telescope overlaps with " ten " word of target equipment center of working face all the time, then by second
Bent axle is fixed in bearing hole, and connects two bent axles with shaft coupling.
8) above-mentioned installation process is repeated, by bearing hole of all crankshaft installeds on tricot machine, all crankshaft installeds is treated
After finishing, the adjuster and L-type adjustment block on each bent axle are removed.
It is difficult to ensure that the beneficial effects of the invention are as follows, it is contemplated that the machining accuracy and quality of fit of keyway and flat key, this hair
It is bright to improve bent axle assembly precision；By crankshaft dynamic balance problem caused by introducing keyway and flat key, solution is inherently derived；Reduce
Machining cost.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the invention；
Fig. 2 is the side diagram of L-type adjustment block of the present invention；
Fig. 3 is trunnion of the present invention and connecting rod journal diameter instrumentation plan；
Fig. 4 is bent axle assembling centering schematic diagram of the present invention；
Fig. 5 is present invention work V block side views；
Fig. 6 is centering method schematic diagram of the present invention.
1, flat board in figure, 2, V blocks, 3, bent axle, 4, spiral lift device, 5, adjuster, 6, L-type adjustment block, 7, telescope
And its support, 8, rod journal, 9, shaft coupling, 10, trunnion, 11, target and its support, 51, work V blocks, 52, clamp V blocks,
53rd, attachment screw, 54, bolt hole, 61, bolt groove, 62, bolt, 63, L-type adjustment block working face, 71, telescope, 72, stretch
Contracting support, 111, target, 112, target support.
Specific embodiment
If Fig. 1 is structural representation of the invention, Fig. 2 is the side diagram of L-type adjustment block of the present invention, and Fig. 3 is master of the present invention
Axle journal and connecting rod journal diameter instrumentation plan, Fig. 4 are bent axle assembling centering schematic diagrames of the present invention, and Fig. 5 is present invention work V block side-lookings
Figure, Fig. 6 is centering method schematic diagram of the present invention, a kind of many bent axle centering works of assorted fibre multiple-axial warp knitting machine based on telescope
Dress, including bent axle 3, bent axle 3 are provided with trunnion 10 and rod journal 8, also including flat board 1, V blocks 2, spiral lift device 4, tune
Whole device 5, L-type adjustment block 6, mirror device 7 of looking in the distance, target equipment 11 and shaft coupling 9, V blocks 2 are placed on flat board 1, and trunnion 10 is put
Put on V blocks 2, spiral lift device 4 is placed with the flat board 1 immediately below rod journal 8, connected by bolt on rod journal 8
Connect and be installed with adjuster 5, the level that is bolted on adjuster 5 is installed with L-type adjustment block 6.
According to another embodiment of the invention, further include, the number of the V blocks 2 is two, two height of V blocks 2
Degree size is consistent.
According to another embodiment of the invention, further include, the adjuster 5 includes work V blocks 51 and clamps V blocks
52, work V block 51 and clamping V blocks 52 are fixed by attachment screw 53.
According to another embodiment of the invention, further include, the side of work V blocks 51 is provided with bolt hole 54.
According to another embodiment of the invention, further include, the number of the bolt hole 54 is two
According to another embodiment of the invention, further include, the L-type adjustment block 6 is provided with two bolt grooves 61, spiral shell
Bolt groove 61 is provided with bolt 62, and bolt groove 61 matches with bolt 62.
According to another embodiment of the invention, further include, the distance between described two bolts hole 54 with two
The distance between bolt groove 61 is consistent.
According to another embodiment of the invention, further include, the mirror device 7 of looking in the distance is including telescope 71 and stretches
Support 72, the collimation axis of telescope 71 is parallel to the bottom surface of telescope support 72.
According to another embodiment of the invention, further include, the target equipment 11 includes target 111 and target branch
Frame 112, the center of working face of target 111 is carved with " ten " word, and the working face of target 111 is perpendicular to the bottom surface of target support 112.
A kind of many bent axle centering methods of assorted fibre multiple-axial warp knitting machine based on telescope, the following institute of centering method step
State：
1) two V blocks 2 are vertically disposed on flat board 1, the trunnion 10 of bent axle 3 is placed on V blocks 2, measure trunnion 10
Diameter, be designated as d1, measure height of the Up Highway UHW of trunnion 10 apart from the surface of flat board 1, be designated as h1, draw the axle of trunnion 10
The height H on the surface of heart linear distance flat board 1：
H= h1 - d1/2
2) diameter of the cross section of 3 upper connecting rod axle journal of bent axle 8 is measured, d2 is designated as, spiral lift device 4 is positioned over rod journal
On flat board 1 immediately below 8, spiral lift device 4 is lifted so as to lifting step by step rod journal 8, until measuring on rod journal 8
Height of the bus apart from the surface of flat board 1 is h2：
h2=H + d2/2
Now, height of the axial line of rod journal 8 apart from the surface of flat board 1 is H.
3) work V blocks 51 and clamping V blocks 52 are held on rod journal 8 by attachment screw 53, the side of work V blocks 51
It is vertical with the surface of flat board 1, the attachment screw 53 on work V blocks 51 and clamping V blocks 52 is tightened, work V blocks 51 and clamping V blocks 52 are consolidated
It is scheduled on rod journal 8.
4) bolt 62 is crossed the bolt groove 61 of L-type adjustment block 6, and screws in the bolt hole 54 of the side of work V blocks 51,
Regulation L-type adjustment block 6, until the distance for measuring L-type adjustment block working face 63 with the surface of flat board 1 is H, tightens bolt 62, by L-type
Adjustment block 6 is fixed on the side of work V blocks 51.
5) all bent axles 3 being arranged on tricot machine are performed both by aforesaid operations.
6) mirror device 7, the target equipment 11 of looking in the distance are placed on flat board 1, fixed target equipment 11, adjustment telescope support 72
Highly, until the collimation axis of telescope 71 overlaps with " ten " word of the center of working face of target equipment 11.
7) bent axle 3 is installed, a bent axle 3 with adjuster 5 and L-type adjustment block 6 is first arranged on the axle on tricot machine
In bearing bore and fixed, the mirror device 7 that will look in the distance is placed on the working face of L-type adjustment block 6 of bent axle 3, then by second with adjustment
The bent axle 3 of device 5 and L-type adjustment block 6 is arranged in the bearing hole on tricot machine, and target equipment 11 is placed on into second bent axle 3
L-type adjustment block working face 63 on, the axial line by second bent axle 3 around bearing hole is rotated, if looking in the distance mirror device 7 and target sets
Standby 11 it is any mobile on L-type adjustment block working face 63 when, the collimation axis of telescope 71 all the time with the working face of target equipment 11 in
" ten " word of the heart overlaps, then second bent axle 3 is fixed in bearing hole, and connects two bent axles 3 with shaft coupling 9.
Above-mentioned installation process is repeated, all bent axles 3 are arranged in the bearing hole on tricot machine, treat that all bent axles 3 are installed
After finishing, the adjuster 5 and L-type adjustment block 6 on each bent axle 3 are removed.
Claims (10)
1. a kind of many bent axle centering toolings of assorted fibre multiple-axial warp knitting machine based on telescope, including bent axle（3）, bent axle（3）
It is provided with trunnion（10）And rod journal（8）, it is characterized in that, also including flat board（1）, V blocks（2）, spiral lift device（4）、
Adjuster（5）, L-type adjustment block（6）, mirror device of looking in the distance（7）, target equipment（11）And shaft coupling（9）, V blocks（2）It is placed on flat board
（1）On, trunnion（10）It is placed on V blocks（2）On, rod journal（8）The flat board of underface（1）On be placed with spiral lift device
（4）, rod journal（8）On be bolted and be installed with adjuster（5）, adjuster（5）On be bolted level
It is installed with L-type adjustment block（6）.
2. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 1, it is special
Levying is, the V blocks（2）Number be two, two V blocks（2）Height size it is consistent.
3. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 1, it is special
Levying is, the adjuster（5）Including work V blocks（51）With clamping V blocks（52）, work V blocks（51）With clamping V blocks（52）By even
Connect screw（53）It is fixed.
4. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 3, it is special
Levying is, the work V blocks（51）Side is provided with bolt hole（54）.
5. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 4, it is special
Levying is, the bolt hole（54）Number be two.
6. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 1, it is special
Levying is, the L-type adjustment block（6）It is provided with two bolt grooves（61）, bolt groove（61）It is provided with bolt（62）, bolt lead to
Groove（61）With bolt（62）Match.
7. many bent axles pair of assorted fibre multiple-axial warp knitting machine based on telescope according to claim 5 or claim 6
Middle frock, it is characterized in that, described two bolts hole（54）The distance between with two bolt grooves（61）The distance between it is consistent.
8. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 1, it is special
Levying is, the mirror device of looking in the distance（7）Including telescope（71）And telescope support（72）, telescope（71）Collimation axis parallel to stretching
Contracting support（72）Bottom surface.
9. many bent axle centering toolings of the assorted fibre multiple-axial warp knitting machine based on telescope according to claim 1, it is special
Levying is, the target equipment（11）Including target（111）With target support（112）, target（111）Center of working face be carved with one
Individual " ten " word, target（111）Working face perpendicular to target support（112）Bottom surface.
10. many bent axle centering methods of a kind of assorted fibre multiple-axial warp knitting machine based on telescope, it is characterized in that, centering method step
It is rapid as described below：
1）, by two V blocks（2）It is vertically disposed in flat board（1）On, by bent axle（3）Trunnion（10）It is placed in V blocks（2）On, measurement
Go out trunnion（10）Diameter, be designated as d1, measure trunnion（10）Up Highway UHW is apart from flat board（1）The height on surface, is designated as h1,
Draw trunnion（10）Axial line apart from flat board（1）The height H on surface：
H= h1 - d1/2
2）, measure bent axle（3）Upper connecting rod axle journal（8）The diameter of cross section, is designated as d2, by spiral lift device（4）It is positioned over
Rod journal（8）The flat board of underface（1）On, lift spiral lift device（4）So as to lifting step by step rod journal（8）, until
Measure rod journal（8）Up Highway UHW is apart from flat board（1）The height on surface is h2：
h2=H + d2/2
Now, rod journal（8）Axial line apart from flat board（1）The height on surface is H；
3）, by work V blocks（51）And clamp V blocks（52）By attachment screw（53）It is held on rod journal（8）On, work V blocks
（51）Side and flat board（1）Surface is vertical, tightens work V blocks（51）And clamp V blocks（52）On attachment screw（53）, work V
Block（51）And clamp V blocks（52）It is fixed on rod journal（8）On；
4）, by bolt（62）Cross L-type adjustment block（6）Bolt groove（61）, and screw in work V blocks（51）The bolt hole of side
（54）In, adjust L-type adjustment block（6）, until measuring L-type adjustment block working face（63）With flat board（1）The distance on surface is H, is twisted
Tight bolt（62）, by L-type adjustment block（6）It is fixed on work V blocks（51）On side；
5）, by be arranged on tricot machine on all bent axles（3）It is performed both by aforesaid operations；
6）, will look in the distance mirror device（7）, target equipment（11）It is placed in flat board（1）On, fixed target equipment（11）, the flexible branch of adjustment
Frame（72）Height, until telescope（71）Collimation axis and target equipment（11）" ten " word of center of working face overlaps；
7）, install bent axle（3）, first carry adjuster by one（5）With L-type adjustment block（6）Bent axle（3）On tricot machine
Bearing hole in and it is fixed, by mirror device of looking in the distance（7）It is placed in bent axle（3）L-type adjustment block（6）Working face on, then by second
Root carries adjuster（5）With L-type adjustment block（6）Bent axle（3）In the bearing hole on tricot machine, by target equipment（11）
It is placed on second bent axle（3）L-type adjustment block working face（63）On, by second bent axle（3）Axial line around bearing hole turns
It is dynamic, if looking in the distance mirror device（7）With target equipment（11）In L-type adjustment block working face（63）When upper any mobile, telescope（71）
Collimation axis all the time with target equipment（11）" ten " word of center of working face overlaps, then by second bent axle（3）It is fixed on bearing
Kong Zhong, and use shaft coupling（9）Two bent axles of connection（3）；
8）, above-mentioned installation process is repeated, by all bent axles（3）In the bearing hole on tricot machine, all bent axles are treated（3）Peace
Install after finishing, remove each bent axle（3）On adjuster（5）With L-type adjustment block（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611127813.2A CN106736497B (en) | 2016-12-09 | 2016-12-09 | The more bent axle centering toolings of assorted fibre multiple-axial warp knitting machine based on telescope and centering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611127813.2A CN106736497B (en) | 2016-12-09 | 2016-12-09 | The more bent axle centering toolings of assorted fibre multiple-axial warp knitting machine based on telescope and centering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106736497A true CN106736497A (en) | 2017-05-31 |
| CN106736497B CN106736497B (en) | 2018-10-16 |
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ID=58877767
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611127813.2A Active CN106736497B (en) | 2016-12-09 | 2016-12-09 | The more bent axle centering toolings of assorted fibre multiple-axial warp knitting machine based on telescope and centering method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500702A (en) * | 2018-06-26 | 2018-09-07 | 福建工程学院 | A kind of Crankshaft clamp for capableing of adjustment axis height |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056237A (en) * | 1990-07-02 | 1991-10-15 | Spm Instrument Inc. | Electronic indicating device for coaxially aligning a pair of rotary members |
| CN2396375Y (en) * | 1999-11-29 | 2000-09-13 | 中国人民解放军第二炮兵工程学院技术开发中心 | Laser centring apparatus |
| US6411375B1 (en) * | 2000-10-10 | 2002-06-25 | Csi Technology, Inc. | Shaft alignment methodologies |
| US20040252302A1 (en) * | 2002-04-22 | 2004-12-16 | Henry Richard W | Method and apparatus for alignment of components |
| CN102091936A (en) * | 2011-01-24 | 2011-06-15 | 青岛淄柴博洋柴油机股份有限公司 | Method for processing crankshaft oil holes |
| CN201864762U (en) * | 2010-11-23 | 2011-06-15 | 天润曲轴股份有限公司 | Clamping device for crankshaft vibratory stress relief |
| CN102506668A (en) * | 2011-10-28 | 2012-06-20 | 中国核工业二三建设有限公司 | No-deflection centering device |
| CN203758444U (en) * | 2014-01-22 | 2014-08-06 | 珠海格力电器股份有限公司 | Coupling adjustment device |
-
2016
- 2016-12-09 CN CN201611127813.2A patent/CN106736497B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056237A (en) * | 1990-07-02 | 1991-10-15 | Spm Instrument Inc. | Electronic indicating device for coaxially aligning a pair of rotary members |
| CN2396375Y (en) * | 1999-11-29 | 2000-09-13 | 中国人民解放军第二炮兵工程学院技术开发中心 | Laser centring apparatus |
| US6411375B1 (en) * | 2000-10-10 | 2002-06-25 | Csi Technology, Inc. | Shaft alignment methodologies |
| US20040252302A1 (en) * | 2002-04-22 | 2004-12-16 | Henry Richard W | Method and apparatus for alignment of components |
| CN201864762U (en) * | 2010-11-23 | 2011-06-15 | 天润曲轴股份有限公司 | Clamping device for crankshaft vibratory stress relief |
| CN102091936A (en) * | 2011-01-24 | 2011-06-15 | 青岛淄柴博洋柴油机股份有限公司 | Method for processing crankshaft oil holes |
| CN102506668A (en) * | 2011-10-28 | 2012-06-20 | 中国核工业二三建设有限公司 | No-deflection centering device |
| CN203758444U (en) * | 2014-01-22 | 2014-08-06 | 珠海格力电器股份有限公司 | Coupling adjustment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500702A (en) * | 2018-06-26 | 2018-09-07 | 福建工程学院 | A kind of Crankshaft clamp for capableing of adjustment axis height |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106736497B (en) | 2018-10-16 |
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