CN102519673A - Adjustment method of height of dynamic balance test transmission center of crank shaft - Google Patents
Adjustment method of height of dynamic balance test transmission center of crank shaft Download PDFInfo
- Publication number
- CN102519673A CN102519673A CN2011103928850A CN201110392885A CN102519673A CN 102519673 A CN102519673 A CN 102519673A CN 2011103928850 A CN2011103928850 A CN 2011103928850A CN 201110392885 A CN201110392885 A CN 201110392885A CN 102519673 A CN102519673 A CN 102519673A
- Authority
- CN
- China
- Prior art keywords
- height
- dynamic balance
- adjustment
- center
- crank shaft
- 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.)
- Pending
Links
Images
Landscapes
- Testing Of Balance (AREA)
Abstract
The invention provides an adjustment method of the height of a dynamic balance test transmission center of a crank shaft. The adjustment method comprises the following steps of: placing the crank shaft on a roller frame of a dynamic balance test machine of the crank shaft, and measuring the height difference between the central line of a transmission shaft of the dynamic balance test machine of the crank shaft and the central line of the crank shaft; and adjusting an adjusting device which is positioned below a handpiece box of the dynamic balance test machine of the crank shaft to elevate the handpiece box with the height difference. According to the adjustment method of the height of the dynamic balance test transmission center of the crank shaft, provided by the invention, the purpose of adjusting the central line of the crank shaft and the central line of the transmission shaft to the equal height can be achieved once by replacing a way of respectively adjusting the roller frame on a support table for regulating the height of the crank shaft in the prior art with the way of adjusting the height of the handpiece box of the dynamic balance test machine of the crank shaft; and particularly, when the dynamic balance test machine of the crank shaft is of multi-point support, the operation of adjusting the height of the transmission center can be greatly simplified, the time is saved and the test efficiency is improved.
Description
Technical field
The present invention relates to the mechanical test technology, relate in particular to a kind of method of adjustment of crankshaft dynamic balance test transmission height of center.
Background technology
Bent axle is the main rotary part of engine, and crankshaft imbalance will cause engine luggine, thereby has a strong impact on the performance of engine, and therefore, palpus guarantees that the dynamic balance performance of bent axle reaches standard and could use.
For obtaining the dynamic balance performance index of bent axle, need on crankshaft dynamic balancing machine, bent axle to be carried out dynamic balance running.Crankshaft dynamic balancing machine comprises the head box of a horizontally disposed supporting station and supporting station one side, and head box stretches out a transmission shaft on the side of supporting station, and the horizontal top surface of supporting station is provided with two or more turning rollss that are used for supporting crankshaft; When carrying out the dynamic balance running of bent axle, need bent axle be placed on the turning rolls on the supporting station, an end of bent axle is fixedly connected with the end of transmission shaft is integral again; Then; Just can start the motor in the head box, make transmission shaft drive crankshaft rotating, until obtaining desired parameters.
In said process; With transmission shaft with before bent axle is fixedly connected, the centerline of center line and bent axle that must guarantee transmission shaft is in sustained height, when not satisfying this and require; For example; The king journal of the bent axle that will test when the next one and the main bearing journal of just having tested just need be adjusted the transmission height of center not simultaneously, and the method for adjustment transmission height of center of the prior art is following; Come to adjust one by one the height of turning rolls through the adjusting leading screw of screwing the turning rolls below respectively, thereby adjust the height of the center line that is bearing in the bent axle on the turning rolls.This method of adjustment of prior art is also suitable basically for the crankshaft dynamic balancing machine of 2 supportings; And when crankshaft dynamic balancing machine adopts the multi-point support structure; 5 supporting structures for example then need be adjusted the height of five turning rollss one by one, and owing to just be difficult to levelling between a plurality of turning rollss; Just need adjustment repeatedly just can make the center line of bent axle and the height such as center line of transmission shaft, complicated operation, lose time.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the present invention provides a kind of method of adjustment of crankshaft dynamic balance test transmission height of center, comprising:
Step 1, bent axle is placed on the turning rolls of crankshaft dynamic balance testing machine, and measure the height difference of center line of center line and bent axle of the transmission shaft of said crankshaft dynamic balance testing machine;
Step 2, adjustment are positioned at the adjusting gear of the head box below of said crankshaft dynamic balance testing machine, make the said head box said height difference that raises.
The method of adjustment of crankshaft dynamic balance test transmission height of center provided by the invention; Adopt the height of the head box of adjustment crankshaft dynamic balance testing machine; Replaced adjusting respectively in the prior art turning rolls on the supporting station to regulate the mode of bent axle height; Can once reach the purpose that the center line of the center line of bent axle and transmission shaft is transferred to the height such as grade, especially adopt under the situation of multi-point support when the crankshaft dynamic balance testing machine, simplify the adjustment operation of transmission height of center greatly; Save the time, improved test efficiency.
Description of drawings
Fig. 1 is the process flow diagram of the method for adjustment of a kind of crankshaft dynamic balance test of the present invention transmission height of center;
The structural representation of the crankshaft dynamic balance testing machine that Fig. 2 is adopted for a kind of crankshaft dynamic balance of the present invention test transmission height of center method of adjustment;
Fig. 3 is the structural representation of adjusting gear one embodiment of a kind of crankshaft dynamic balance test of the present invention transmission height of center;
The 1-head box; The 2-supporting station; The 3-adjusting gear;
The 21-turning rolls; The 31-upper bracket; The 32-undersetting;
The 311-supporting leg; The 312-support; The 321-center pit;
The 323-bolt; 34-adjusts piece; The 100-transmission shaft.
Embodiment
Fig. 1 is the process flow diagram of the method for adjustment of a kind of crankshaft dynamic balance test of the present invention transmission height of center; The structural representation of the crankshaft dynamic balance testing machine that Fig. 2 is adopted for a kind of crankshaft dynamic balance of the present invention test transmission height of center method of adjustment; Please see figures.1.and.2, present embodiment provides a kind of method of adjustment of crankshaft dynamic balance test transmission height of center, comprising:
Step 11, bent axle is placed on the turning rolls 21 of crankshaft dynamic balance testing machine, and measure the height difference of center line of center line and bent axle of the transmission shaft 100 of crankshaft dynamic balance testing machine;
Step 12, adjustment are positioned at the adjusting gear 3 of head box 1 below of crankshaft dynamic balance testing machine, make the said height difference of head box 1 rising.Particularly; Adjusting gear 3 can adopt hydraulic jack, at this moment, can hydraulic jack be placed the below of head box 1; And hydraulic jack is connected with fuel tank through fluid pressure line; And operation valve is set on fluid pressure line, make the hydraulic jack said height difference that raises through controlling hydraulic control valve, thereby make the move up distance of said height difference of transmission shaft 100 center lines on the head box 1.Certainly, adjusting gear 3 of the present invention does not limit this a kind of form, and any mechanism that can realize elevating movement and can bear big load all uses in the present invention.
In the present embodiment, because the height difference between the center line of the center line of having confirmed transmission shaft 100 through measurement and bent axle, feasible head box 1 is moved up after the said height difference centerline with bent axle in sustained height.Adopt method adjustment transmission height of center in the crankshaft dynamic balance test of present embodiment; Can once reach and high purpose such as transfer to; Avoid repeatedly adjusting respectively in the prior art turning rolls 21 on the supporting station 2, especially under the situation of crankshaft dynamic balance testing machine employing multi-point support, simplified the adjustment operation of transmission height of center greatly; Save the time, improved test efficiency.
In an embodiment of the present invention, please with reference to Fig. 3, adjusting gear 3 comprises:
One undersetting 32, undersetting 32 has the end face of a level, and on horizontal top surface, vertically offers center pit 321;
One upper bracket 31 comprises that tabular being used to of level bears the supporting leg 311 at the support 312 of head box 1 and the bottom center place that vertical fixing is arranged on support 312;
Adjustment piece 34, the height of adjustment piece 34 is a height difference;
Adjustment piece 34 is positioned at the bottom of center pit, and upper bracket 31 is arranged on the undersetting 32, and the supporting leg 311 of upper bracket is replaced on the end face of adjustment piece 34, the bottom surface of supporting leg 311 upper bracket 31 on every side contacts with the end face of undersetting 32; Easier in order to make supporting leg 311 put into the operation of center pit 321; Can make between supporting leg 311 and the center pit 321 and leave the gap; At this moment; Can offer the threaded hole of a level on edge, the side of undersetting 32 (on the sidewall of center pit 321), and through the further location upper brackets 31 of a bolt 323 that in this threaded hole, are spirally connected.Here; The adjusting gear 3 of a plurality of present embodiments can also be set below head box 1; For example can be four, the position of four angle points of corresponding head box 1 bottom surface is provided with respectively, with more when firmly supporting head box 1; Can also reduce the physical dimension of each adjusting gear 3, with more convenient processing and manufacturing.
Accordingly, step 12 can be specially:
Step 121, with the upper bracket 31 of adjusting gear 3 and on head box 1 take off; During practical implementation, can adopt crane with upper bracket 31 and on head box 1 sling.
Step 122, general highly put into the center pit 321 of the undersetting 32 of adjusting gear 3 for the adjustment piece of height difference; When adjusting gear 3 when being a plurality of, can the adjustment piece be put into the center pit 321 of undersetting 32 respectively.
Step 123, upper bracket 31 and head box 1 are put back on the undersetting 32, and the supporting leg 311 of upper bracket 31 is replaced on the end face of the adjustment piece in the center pit 321 of undersetting 32.
, can make the adjustment piece of a plurality of specifications in advance here, when adjustment; Directly selecting suitable adjustment piece to put into center pit according to height difference gets final product; Thisly in the present embodiment regulate the height of head box 1 through the adjustment piece, more convenient, and help practicing thrift cost.
Further; The bent axle that makes an experiment when needs is during for fixing some models; Also can before step 11, process a plurality of adjustment pieces, be radius poor of king journal of bent axle of king journal and less important test of a last bent axle of test owing to the direct height difference of center line of the center line of the different transmission shafts 100 that cause of diameter of this king journal by bent axle and bent axle with differing heights according to the difference between the king journal of bent axle to be tested; Therefore; The height of the adjustment piece that produces according to the method for present embodiment is described height difference, thereby has reduced the quantity of adjustment piece, has further practiced thrift cost.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (4)
1. the method for adjustment of a crankshaft dynamic balance test transmission height of center is characterized in that, comprising:
Step 1, bent axle is placed on the turning rolls of crankshaft dynamic balance testing machine, and measure the height difference of center line of center line and bent axle of the transmission shaft of said crankshaft dynamic balance testing machine;
Step 2, adjustment are positioned at the adjusting gear of the head box below of said crankshaft dynamic balance testing machine, make the said head box said height difference that raises.
2. the method for adjustment of crankshaft dynamic balance test transmission height of center according to claim 1 is characterized in that said adjusting gear comprises:
One undersetting, said undersetting has the end face of a level, and on said horizontal top surface, vertically offers said center pit;
One upper bracket comprises that tabular being used to of level bears the supporting leg at the support of said head box and the bottom center place that vertical fixing is arranged on said support;
The adjustment piece, the height of said adjustment piece is said height difference;
Said adjustment piece is positioned at the bottom of said center pit; Said upper bracket is arranged on the said undersetting, and the supporting leg of said upper bracket is replaced on the end face of said adjustment piece, the bottom surface of said supporting leg said upper bracket on every side contacts with the end face of said undersetting;
Accordingly, said step 2 is specially:
With the upper bracket of said adjusting gear and on said head box take off;
With the center pit of highly putting into the undersetting of said adjusting gear for the adjustment piece of said height difference;
Said upper bracket and head box are put back on the said undersetting, and the supporting leg of said upper bracket is replaced on the end face of the said adjustment piece in the center pit of said undersetting.
3. the method for adjustment of crankshaft dynamic balance test transmission height of center according to claim 2 is characterized in that, also comprises before the said step 1:
Process a plurality of said adjustment piece with differing heights according to the difference between the king journal of bent axle to be tested.
4. the method for adjustment of crankshaft dynamic balance test transmission height of center according to claim 1 is characterized in that said adjusting gear is a hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103928850A CN102519673A (en) | 2011-11-30 | 2011-11-30 | Adjustment method of height of dynamic balance test transmission center of crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103928850A CN102519673A (en) | 2011-11-30 | 2011-11-30 | Adjustment method of height of dynamic balance test transmission center of crank shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102519673A true CN102519673A (en) | 2012-06-27 |
Family
ID=46290670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103928850A Pending CN102519673A (en) | 2011-11-30 | 2011-11-30 | Adjustment method of height of dynamic balance test transmission center of crank shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102519673A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064764U (en) * | 1990-04-13 | 1990-10-31 | 刘大罡 | Multifunctional hydraulic jack |
| DE19615891A1 (en) * | 1996-04-23 | 1997-10-30 | Schenck Rotec Gmbh | Unbalance measuring station |
| CN200940082Y (en) * | 2006-07-17 | 2007-08-29 | 祝仙玉 | Electric lifting jack |
| CN201165758Y (en) * | 2007-12-27 | 2008-12-17 | 上海宝冶建设有限公司 | Steel column height mark adjusting apparatus |
| CN101492147A (en) * | 2008-01-22 | 2009-07-29 | 上海宝冶建设有限公司 | Crane beam scale height regulation method |
| WO2010026319A1 (en) * | 2008-09-05 | 2010-03-11 | Comau France | Method and device for measuring crankshaft imbalance |
-
2011
- 2011-11-30 CN CN2011103928850A patent/CN102519673A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064764U (en) * | 1990-04-13 | 1990-10-31 | 刘大罡 | Multifunctional hydraulic jack |
| DE19615891A1 (en) * | 1996-04-23 | 1997-10-30 | Schenck Rotec Gmbh | Unbalance measuring station |
| CN200940082Y (en) * | 2006-07-17 | 2007-08-29 | 祝仙玉 | Electric lifting jack |
| CN201165758Y (en) * | 2007-12-27 | 2008-12-17 | 上海宝冶建设有限公司 | Steel column height mark adjusting apparatus |
| CN101492147A (en) * | 2008-01-22 | 2009-07-29 | 上海宝冶建设有限公司 | Crane beam scale height regulation method |
| WO2010026319A1 (en) * | 2008-09-05 | 2010-03-11 | Comau France | Method and device for measuring crankshaft imbalance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203062203U (en) | Auxiliary installation device for ship stern shaft | |
| CN203660780U (en) | Turning gear tool of three-shafting vertical main pump motor rotor | |
| CN203236194U (en) | Replacing device for hinged pin roll mechanism of stacker cantilever | |
| CN208019744U (en) | Automobile gearbox assembly line positioning pin press-loading device | |
| CN204514728U (en) | A kind of liner testing machine | |
| CN203297044U (en) | Device for centering wind-driven fan main shaft and gear vase shaft expansion sleeve | |
| CN104097874B (en) | The secondary support means of a kind of LNG double-layer storage tank inner canister installation and method | |
| CN102519673A (en) | Adjustment method of height of dynamic balance test transmission center of crank shaft | |
| CN104458099B (en) | The executing agency of piston gage increase and decrease specific weight and method | |
| KR20200002161U (en) | Fast-replacing machine of bending roll cylinder of finishing rolling mill | |
| CN103302470B (en) | Split horizontal cylinder assembling machine | |
| CN107877466B (en) | Special hydraulic support platform and method for processing and assembling diesel engine cylinder body | |
| CN101804428A (en) | Levelling machine | |
| CN205996497U (en) | A kind of horizontal process equipment that can quickly install | |
| CN203304858U (en) | Split-type horizontal cylinder assembling machine | |
| CN206088919U (en) | Annotate elevating system of wax machine anchor clamps | |
| CN204228253U (en) | Multifunction bearing vibration self-operated measuring unit | |
| CN204536135U (en) | A kind of have the gear bidentate load testing machine all carrying function | |
| CN209411682U (en) | A kind of movable hydraulic hoist component and movable hydraulic hoist | |
| CN207630002U (en) | A kind of diesel engine cylinder block process and assemble dedicated hydraulic support platform | |
| CN209226097U (en) | A kind of Liftable type charging tray bracket | |
| CN201644559U (en) | Leveler | |
| CN203495917U (en) | Placing device capable of lifting and lowering long shaft | |
| CN208280033U (en) | A kind of bridge inspection and maintenance jacking apparatus | |
| CN203282373U (en) | Maintenance tool for oil pressure regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |