CN102384819A - Device and method for correcting dynamic balance of crankshaft - Google Patents
Device and method for correcting dynamic balance of crankshaft Download PDFInfo
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- CN102384819A CN102384819A CN2011103552861A CN201110355286A CN102384819A CN 102384819 A CN102384819 A CN 102384819A CN 2011103552861 A CN2011103552861 A CN 2011103552861A CN 201110355286 A CN201110355286 A CN 201110355286A CN 102384819 A CN102384819 A CN 102384819A
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- bent axle
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- 238000000034 method Methods 0.000 title claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 7
- 235000019544 rolls Nutrition 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000012937 correction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a device for correcting dynamic balance of a crankshaft in the field of manufacturing of crankshafts. The device comprises a head, a body, a first supporting swing frame and a second supporting swing frame; the head, the first supporting swing frame and the second supporting swing frame are sequentially arranged in the axial direction of the body; a driving system is arranged in the body, sensors are arranged in the first supporting swing frame and the second supporting swing frame, and the sensors are connected an external electric testing system; and the device for correcting the dynamic balance also comprises a supporting framework, wherein the supporting framework is erected between the first supporting swing frame and the second supporting swing frame, and a plurality of roller racks are arranged at the top of the supporting framework in a detachable manner along the axial direction of the supporting framework. The device has the advantages that: the number of the roller racks can be changed as required, so that the supporting state of the crankshaft during dynamic balance correction is consistent with that of crankshaft in actual work, and the precision of non-balance correction is improved.
Description
Technical field
The present invention relates to a kind of crankshaft dynamic balance means for correcting and bearing calibration that bent axle is made the field that be used for.
Background technology
The large-scale bent axle big for weight, that size is elongated, because himself weight causes very big amount of deflection easily in the rotation engineering, so bent axle often adopts a plurality of carrying planes caused dynamic deflection of unbalance dynamic when reducing by rotation when real work.
In order to reduce or eliminate the unbalance dynamic of large-scale bent axle, must utilize suitable dynamic balancing machine to detect its unbalancing value.The dynamic balance calibration of existing large-scale bent axle is general to adopt general dynamic balancing machine to accomplish.General dynamic balancing machine is general to adopt two carrying planes to detect unbalancing value.It is inappropriate adopting this dynamic balancing machine to come large-scale bent axle is carried out balance; Its reason is that large-scale bent axle has plural workplace when real work; If when carrying out dynamic balance calibration, only adopt two carrying planes; Then its dynamic deflection that in rotary course, produces can not be ignored, and the dynamic balance calibration that carried out this moment does not reach due transient equilibrium index, even this dynamic balance calibration is nonsensical.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art, a kind of crankshaft dynamic balance means for correcting that is used for is provided, high, the realization easily of its dynamic balance calibration precision.
A kind of technical scheme that realizes above-mentioned purpose is: comprise headstock, vehicle body, the first supporting rocker and the second supporting rocker; Said headstock, the first supporting rocker and the second supporting rocker axially being arranged in order along said vehicle body; The built-in drive system of said vehicle body; Said first supporting rocker and the said second supporting rocker built-in sensors, the external electric measuring system of said sensor;
Described dynamic balance calibration device also comprises scaffold, and said scaffold is erected between the said first supporting rocker and the second supporting rocker, at the top of said scaffold, along said scaffold axially, some turning rollss removably are installed.
Further, the top of said scaffold axially is provided with two mobile rack guide grooves along said scaffold; Said turning rolls bottom is provided with spanner and mobile rack, said mobile rack guide groove and the mutual clamping of said mobile rack.
Further, the bottom of said scaffold is provided with oil holding slot.
Further, below the said turning rolls elevating screw is set.
Further, the said first supporting rocker and the second supporting rocker can be along the axial slips of said vehicle body.
The another kind of technical scheme that realizes above-mentioned purpose is: said method is on a kind of crankshaft dynamic balance means for correcting, to carry out, and comprises the following steps:
The turning rolls step is installed: at the top of the scaffold of said dynamic balance calibration device, along said scaffold axially, some turning rollss removably are installed;
The bent axle step is installed: along said scaffold axially with crankshaft installed on said turning rolls, form carrying plane between said turning rolls and the said bent axle;
Crankshaft dynamic balance aligning step: through universal joint the drive system in the headstock is linked to each other with said bent axle, and drive said crankshaft rotating, carry out dynamic balance calibration by said drive system.
Further, the top of said scaffold axially is provided with two mobile rack guide grooves along said scaffold;
Through the clamping between said mobile rack guide groove and the said mobile rack, accomplish said installation turning rolls step;
In said installation bent axle step; Make the axial slip of said turning rolls through the cooperation between said mobile rack and the said mobile rack guide groove, adjust the position of carrying plane on said bent axle is axial between each said turning rolls and the said bent axle along said scaffold.
Further, in said installation bent axle step, elevating screw is set through said turning rolls below; Adjust the level height of said turning rolls, guarantee that carrying plane between each said turning rolls and the said bent axle is on same level height.
Further, in said installation bent axle step, adjust said turning rolls in the horizontal cross position through optical axis, it is coaxial making the line of centres of the carrying plane between each said turning rolls and the said bent axle and said bent axle.
Further, oil holding slot is set, in the dynamic balance calibration step, the roller on the said bent axle is lubricated through bottom at said scaffold.
Adopted a kind of crankshaft dynamic balance means for correcting of the present invention; Promptly setting up scaffold between the rocker, and at the top of said scaffold at the said first supporting rocker and second supporting, along said scaffold axially; The technical scheme of some rollers removably is installed; Its technique effect is that the quantity of said turning rolls can change as required, and the bearing state when guaranteeing the real work of the bearing state of bent axle when carrying out dynamic balance calibration and bent axle is consistent, the precision raising of disequilibrium regulating.Owing to adopted a kind of crankshaft dynamic balance bearing calibration of the present invention; Be about at the top of said scaffold, along said scaffold axially, some rollers removably are installed; And by forming carrying plane between said turning rolls and the said bent axle; Again bent axle is carried out dynamic balance calibration, its technique effect is that the bearing state when realizing the real work of the bearing state of bent axle when carrying out dynamic balance calibration and bent axle is consistent, the precision raising of disequilibrium regulating.
Description of drawings
Fig. 1 is a kind of structural representation that is used for the crankshaft dynamic balance means for correcting of the present invention.
Embodiment
See also figure,, pass through embodiment particularly below, and combine accompanying drawing at length to explain in order to understand technical scheme of the present invention better:
See also Fig. 1, a kind of crankshaft dynamic balance means for correcting of the present invention comprises that headstock 1, vehicle body 2, the first supporting rocker 3, second support rocker 10, scaffold 6 and turning rolls 5, wherein:
Said headstock 1 is positioned at the first end of said vehicle body 2, said headstock 1, the first supporting rocker 3 and the second supporting rocker 10 axially being arranged in order at the said vehicle body 2 in end face upper edge of said vehicle body 2; The drive system of said vehicle body 1 built-in drive crankshaft rotating; When bent axle was carried out dynamic balance calibration, said drive system drove crankshaft rotating.
Be provided with on the end face of said vehicle body 2 along the axial guide-track groove of said vehicle body 2; The said first supporting rocker 3 and the second supporting rocker 10 can be along said guide-track groove axial slips, so that according to the actual said first supporting rocker 3 of length adjustment of the bent axle that carries out dynamic balance calibration and the distance between the said second supporting rocker 10 of being required.
The rigidity of said lathe bed 2 is very big; It only plays supporting role to whole crankshaft dynamic balance means for correcting; Do not influence dynamic balance calibration to large-scale bent axle; The said first supporting rocker 3 is lower with the height of the said second supporting rocker 10; And said first supporting rocker 3 and the said second supporting rocker, 10 built-in sensors make the said first supporting rocker 3 can correctly experience with the said second supporting rocker 10 and be balanced vibration velocity or the vibration displacement that bent axle produces in the dynamic balance calibration processes, and this is because this vibration velocity or vibration displacement have been represented the amount of unbalance of bent axle.
Said sensor can be converted into electric signal with the vibration velocity or the vibration displacement of said first supporting rocker 3 and the said second supporting rocker 10, and this electric signal inserts electric measuring system, can show the size and the position of the amount of unbalance of bent axle.
Said scaffold 6 is erected between said first supporting rocker 3 and the said second supporting rocker 10; The top of said scaffold 6; Along said scaffold 6 axially, some turning rollss 5 removably are installed, be used for supporting crankshaft 9; Form carrying plane between each said turning rolls 5 and the said bent axle 9, said bent axle 9 is formed soft support.The bearing state in the time of need carrying out the real work of dynamic balance calibration bent axle is depended in the quantity of said turning rolls 5 and the position on said scaffold 6.The purpose of design is like this: the bearing state when guaranteeing the real work of the bearing state of bent axle when carrying out dynamic balance calibration and bent axle is consistent, the precision raising of dynamic balance calibration.
In order further to guarantee the precision of dynamic balance calibration, said scaffold 6 must have certain rigidity, and the scaffold of therefore selecting for use 6 has the structure of integral type, and this integral structure obtains through welding.
Fig. 1 is only as a kind of embodiment, and said scaffold 6 is ship shape, and the physical dimension of certain said scaffold 6 also can design again.In the present embodiment, the top of said scaffold 6 is provided with four said turning rollss 5 altogether.
For the ease of adjust said turning rolls 5 said scaffold 6 axially on the position, with adjust said turning rolls 5 in the carrying plane between the said bent axle 9 in the position of said bent axle 9 on axially, said turning rolls 5 can be along the axial slip of said scaffold 6.Said turning rolls 5 can be realized through following technological means along the axial slip of said scaffold 6: the top of said scaffold 6; Along said scaffold 6 two parallel mobile rack guide grooves 8 are set axially; Said turning rolls 5 bottoms are provided with mobile rack, said mobile rack and the 8 mutual clampings of said mobile rack guide groove; And through the cooperation between said mobile rack guide groove 8 and the said mobile rack, said turning rolls 5 can be along the axial slip of said scaffold 6.The bottom of said turning rolls 5 also is provided with spanner 7 simultaneously, and said spanner 7 can be fixing on said scaffold 6 with said turning rolls 5, prevents in carrying out bent axle dynamic balance calibration process, and said turning rolls 5 is along the axial slip of said scaffold 6.
The below of said turning rolls 5; Also be provided with elevating screw 4, said elevating screw 4 can be regulated the height of said turning rolls 5, with the carrying plane that guarantees to form between each said turning rolls 5 and the said bent axle 9; Be positioned on the same level height, with the precision of further raising crankshaft dynamic balance correction.
Because bent axle weight is big; Must add lubricating oil to the roller of said bent axle 9 to protect roller and to guarantee that whole dynamic balance calibration process is safe and effective; In said scaffold 6 bottoms oil holding slot is set, lubricating oil is housed in the oil holding slot, the roller of said bent axle 9 is lubricated.
Using a kind of crankshaft dynamic balance means for correcting of the present invention to carry out the bent axle dynamic balance calibrating method comprises the following steps:
The turning rolls step is installed: at the top of the scaffold 6 of said dynamic balance calibration device; Along said scaffold 6 axially; Some turning rollss 5 removably are installed, the quantity of said turning rolls 5 according to bent axle 9 in actual use carrying plane quantity and decide; In the present embodiment, the installation of said turning rolls 5 is that clamping between mobile rack through being arranged on said turning rolls 5 bottoms and the mobile rack guide groove 8 that is arranged on said scaffold 6 tops is accomplished.
The bent axle step is installed: along axially said bent axle 9 being installed on each said turning rolls 5 of said scaffold 6, and between each said turning rolls 5 and said bent axle 9, form carrying plane, 5 pairs of said bent axles 9 of each said turning rolls form soft support;
Following adjustment is carried out in the position of simultaneously, in the process that bent axle is installed, also tackling each said turning rolls 5:
The adjustment of carrying plane axial location: through the cooperation between said mobile rack and the said mobile rack guide groove 8; Make the axial slip of said turning rolls 5 at the said scaffold 6 in the edge, top of said scaffold 6; Accomplish said carrying plane said bent axle 9 axially on the adjustment of position, and, each said turning rolls 5 is fixed at the top of said scaffold 6 through said spanner; Prevent that in carrying out bent axle dynamic balance calibration process each said turning rolls 5 is along the axial slip of said scaffold 6.
Level height adjustment: the level height of the said turning rolls 5 of elevating screw 4 adjustment through being arranged at said turning rolls 5 belows to guarantee that the formation carrying plane is positioned on the same level height between each said turning rolls 5 and the said bent axle 9, makes said bent axle 9 levels.
The adjustment of horizontal cross position: use optical axis to adjust the position of said turning rolls 5 horizontal cross; Make to form carrying plane center conllinear between each said turning rolls 5 and the said bent axle 9, and the line at said carrying plane center is coaxial with the rotation center that said bent axle 9 is.Here can be generic linear optical axis, chromium plating straight line optical axis, chromium plating straight line flexible axle, stainless steel linear axis and chromium plating tubular shaft etc. to described optical axis.
Crankshaft dynamic balance aligning step: through universal joint the drive system in the headstock 1 is linked to each other with said bent axle 9, and drive said bent axle 9 rotations, said bent axle 9 is carried out dynamic balance calibration by the drive system on the said headstock 1.
A kind of crankshaft dynamic balance means for correcting that is used for of the present invention has the following advantages:
At first: the quantity that is installed in the turning rolls on the said scaffold can change as required, therefore is applicable to the dynamically balanced correction of the large-scale bent axle of all size, can satisfy the actual demand that large-scale crankshaft dynamic balance is proofreaied and correct;
The second, adopt the soft supporting way of turning rolls, when bent axle was carried out dynamic balance calibration, precision was higher;
The 3rd, easy, the convenience operation of Installation and Debugging has improved processing safety and has improved the equilibrator balance efficiency.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (10)
1. crankshaft dynamic balance means for correcting; Comprise headstock (1), vehicle body (2), the first supporting rocker (3) and the second supporting rocker (10); Said headstock (1), the first supporting rocker (3) and the second supporting rocker (10) axially being arranged in order along said vehicle body (2); The built-in drive system of said vehicle body (1), said first supporting rocker (3) and said second supporting rocker (10) built-in sensors, the external electric measuring system of said sensor; It is characterized in that:
Said dynamic balance calibration device also comprises scaffold (6); Said scaffold (6) is erected between the said first supporting rocker (3) and the second supporting rocker (10); Top in said scaffold (6), along said scaffold (6) axially, some turning rollss (5) removably are installed.
2. dynamic balance calibration device according to claim 1 is characterized in that: the top of said scaffold (6) axially is provided with two mobile rack guide grooves (8) along said scaffold (6); Said turning rolls (5) bottom is provided with spanner (7) and mobile rack, said mobile rack guide groove (8) and the mutual clamping of said mobile rack.
3. dynamic balance calibration device according to claim 1 and 2 is characterized in that: the bottom of said scaffold (6) is provided with oil holding slot.
4. dynamic balance calibration device according to claim 1 and 2 is characterized in that: said turning rolls (5) below is provided with elevating screw (4).
5. dynamic balance calibration device according to claim 1 and 2 is characterized in that: the said first supporting rocker (3) and the second supporting rocker (10) can be along the axial slips of said vehicle body (2).
6. crankshaft dynamic balance bearing calibration is characterized in that: said method is carried out on a kind of crankshaft dynamic balance means for correcting according to claim 1, comprises the following steps:
The turning rolls step is installed: at the top of the scaffold (6) of said dynamic balance calibration device, along said scaffold (6) axially, some turning rollss (5) removably are installed;
The bent axle step is installed:, form carrying plane between said turning rolls (5) and the said bent axle (9) along axially bent axle (9) being installed on the said turning rolls (5) of said scaffold (6);
Crankshaft dynamic balance aligning step: through universal joint the drive system in the headstock (1) is linked to each other with said bent axle (9), and drive said bent axle (9) rotation, carry out dynamic balance calibration by said drive system.
7. according to the said crankshaft dynamic balance bearing calibration of claim 6, it is characterized in that: the top of said scaffold (6) axially is provided with two mobile rack guide grooves (8) along said scaffold (6);
Through the clamping between said mobile rack guide groove (8) and the said mobile rack, accomplish said installation turning rolls step;
In said installation bent axle step; Make the axial slip of said turning rolls (5) through the cooperation between said mobile rack and the said mobile rack guide groove (8), adjust the position of carrying plane on said bent axle (9) is axial between each said turning rolls (5) and the said bent axle (9) along said scaffold (6).
8. according to claim 6 or 7 said crankshaft dynamic balance bearing calibrations, it is characterized in that: in said installation bent axle step, elevating screw (4) is set through said turning rolls (5) below; Adjust the level height of said turning rolls (5), guarantee that carrying plane between each said turning rolls (5) and the said bent axle (9) is on same level height.
9. according to claim 6 or 7 said crankshaft dynamic balance bearing calibrations; It is characterized in that: in said installation bent axle step; Adjust said turning rolls (5) in the horizontal cross position through optical axis, it is coaxial making the line of centres of the carrying plane between each said turning rolls (5) and the said bent axle (9) and said bent axle (9).
10. according to claim 6 or 7 described a kind of crankshaft dynamic balance bearing calibrations, it is characterized in that: the bottom through at said scaffold (6) is provided with oil holding slot, in the dynamic balance calibration step, the roller on the said bent axle (9) is lubricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103552861A CN102384819A (en) | 2011-11-10 | 2011-11-10 | Device and method for correcting dynamic balance of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103552861A CN102384819A (en) | 2011-11-10 | 2011-11-10 | Device and method for correcting dynamic balance of crankshaft |
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| CN102384819A true CN102384819A (en) | 2012-03-21 |
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| CN2011103552861A Pending CN102384819A (en) | 2011-11-10 | 2011-11-10 | Device and method for correcting dynamic balance of crankshaft |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292960A (en) * | 2013-06-17 | 2013-09-11 | 第一拖拉机股份有限公司 | Operation method for internal combustion engine crankshaft balancing mechanism with preset amount of unbalance |
| CN109341952A (en) * | 2018-10-09 | 2019-02-15 | 上海大众动力总成有限公司 | A kind of dynamically balanced dynamic adjustment central hole location degree method of raising engine crankshaft |
| CN110542377A (en) * | 2019-09-17 | 2019-12-06 | 冯强 | a detect and measure quick aligning device for production of heavy truck accessories |
| CN112556575A (en) * | 2020-12-04 | 2021-03-26 | 西北工业大学 | Small-size aviation piston engine bent axle butt joint measuring device |
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| US3889541A (en) * | 1972-06-01 | 1975-06-17 | Renault | Balance apparatus |
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2011
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292960A (en) * | 2013-06-17 | 2013-09-11 | 第一拖拉机股份有限公司 | Operation method for internal combustion engine crankshaft balancing mechanism with preset amount of unbalance |
| CN103292960B (en) * | 2013-06-17 | 2015-05-13 | 第一拖拉机股份有限公司 | Operation method for internal combustion engine crankshaft balancing mechanism with preset amount of unbalance |
| CN109341952A (en) * | 2018-10-09 | 2019-02-15 | 上海大众动力总成有限公司 | A kind of dynamically balanced dynamic adjustment central hole location degree method of raising engine crankshaft |
| CN110542377A (en) * | 2019-09-17 | 2019-12-06 | 冯强 | a detect and measure quick aligning device for production of heavy truck accessories |
| CN112556575A (en) * | 2020-12-04 | 2021-03-26 | 西北工业大学 | Small-size aviation piston engine bent axle butt joint measuring device |
| CN112556575B (en) * | 2020-12-04 | 2022-07-29 | 西北工业大学 | Small-size aviation piston engine bent axle butt joint measuring device |
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Application publication date: 20120321 |