CN101354232B - Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly - Google Patents
Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly Download PDFInfo
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- CN101354232B CN101354232B CN2008100120718A CN200810012071A CN101354232B CN 101354232 B CN101354232 B CN 101354232B CN 2008100120718 A CN2008100120718 A CN 2008100120718A CN 200810012071 A CN200810012071 A CN 200810012071A CN 101354232 B CN101354232 B CN 101354232B
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Abstract
The invention relates to a method for testing and selecting adjustment washers of a bearing of a differential mechanism of an insertion pipe type main speed reducer assembly, and a system thereof. The technical proposal of the invention is completed based on an electronic data processing unit and a mechanism device. A left reference measuring block and a right reference measuring block are prepared by simulating a left bearing and a right bearing of the differential mechanism. The outer end faces of the left reference measuring block and the right reference measuring block are provided with asensing lever and a displacement transducer which is interlinked with the sensing lever. An electronic data processing system acquires the conversion values of the left displacement transducer and the right displacement transducer and an inputted standard value Cx of the meshing backlash at an auxiliary contact region of a drive gear and a driven gear, and the like, for calculating to obtain values of the adjustment washers of the left bearing and the right bearing according to a mathematical model. The technical proposal of the invention creates conditions for a technological purpose that the assembly line of the disconnected steering driving axle assembly of the light-weight cars meets the standardized assembly operation.
Description
Technical field
Patented claim of the present invention relates to light-duty vehicle breakaway-element steering drive axle assembly, and wherein required differential bearing pre-fastening moment is adjusted the pad measuring and selecting method and surveyed screening device in the cannula type main gearbox assembly assembly line critical process.
Background technology
The core component of light-duty vehicle breakaway-element steering drive axle assembly includes differential mechanism sub-unit, main gearbox assembly and axle tube, and the core component assembling quality is the key of light-duty vehicle breakaway-element steering drive axle assembly product comprehensive quality.Cannula type main gearbox assembly and with the differential mechanism sub-unit of cannula type main gearbox assembly assembling, comprise the differential bearing pre-fastening moment adjust the survey of packing ring be selected in still main this traditional fit of manual trial assembly that relies on.Because parts self exist dimensional tolerence and mutual shaped position tolerance, also there are many-sided limiting factor influences such as human factor of manual trial assembly error in the assembling, selection is improper if packing ring is adjusted in trial assembly, can cause master, passive tooth wheel set contact region engaging tooth side clearance and differential bearing pre-fastening moment to fail to meet simultaneously the product technology requirement, repeatedly trial assembly easily destroys the potential failure mode of parts matching surface precision again, both have a strong impact on production efficiency, also be difficult to carry out assembling Quality Control.
Summary of the invention
The measuring and choosing adjusting washer of differential bearing method and the system thereof that are to promote light-duty vehicle breakaway-element steering drive axle assembly assembly line realization standardization group threading journey the invention order of patented claim of the present invention and a kind of cannula type main gearbox assembly is provided.The measuring and choosing adjusting washer of differential bearing method of the disclosed cannula type main gearbox assembly of patented claim of the present invention, be based on and comprise that electronic data processing division and following mechanism arrangement constitute and finish: simulate in differential left, right bearing, be matched with left and right dead eye of bevel housing and differential left, right bearing platform assembling preparation left and right reference measurement piece is arranged, in same line slideway, driven operation and be symmetrically arranged with left and right slide block by actuating unit, left and right reference measurement piece bottom symmetry respectively is fixed on left and right slide block soil and forms the simulation bearing and adjust assembly; Serve as the operation center line and be symmetrically arranged with left and right spindle nose and the driving travelling mechanism separately of compressing with the driven gear axis, compress spindle nose and bevel housing two ends through hole, promptly closely contact with the through hole inner face that the axle tube ring flange connects; Left and right reference measurement piece outer face respectively is provided with a sensing lever groove is set, the hinged sensing lever that places of sensing lever is provided with in the groove, the sensing lever upper end is provided with the probe of touch inducing in the left and right dead eye inner face of bevel housing, lever lower end and displacement transducer interlock; Be positioned at bevel housing driving gear shaft line working position and be provided with the driving gear tie-plate that drives by the rotating mechanism rotation; Its measuring and selecting method is: finish the electronic data processing division initialization based on the said mechanism device: assaying table fits in left and right reference measurement piece outer face respectively, gather the shift transmission value of left and right displacement transducer at this moment respectively by electronic data processing division, and demarcate the initial null value of electronic data processing division with this; Process is selected in survey: the left and right pedestal of differential mechanism and driven gear assembling component is positioned over left and right reference measurement piece endoporus, the left and right dead eye of bevel housing vertically is positioned over left and right reference measurement piece outside surface, the driving gear tie-plate connects with the driving gear ring flange, compresses with left and right that spindle nose pushes bevel housing two ends through hole, fixedly bevel housing and driving gear assembling component puts in place; Drive left slider and drive differential mechanism and assemble component with driven gear and move right, through rotating mechanism slowly run driving gear closely contacted with driven gear and make main, passive tooth wheel set contact region engaging tooth side clearance be zero after, actuating unit is moved to the left by master, passive tooth wheel set contact region engaging tooth side clearance standard value Cx trace pulling left slider, promotes right slide block again and is moved to the left differential mechanism and the clamping of driven gear assembling component; Gather left and right displacement transducer respectively by electronic data processing division again and become the value of sending Lzs, Lys, be offset Lzb, Lyb according to reference measurement piece and respective side bearing thickness difference respectively, adjust packing ring value Lz=Lzs+Gp-Cx+Lzb by the calculated with mathematical model left bearing, adjust packing ring value Ly=Lys+Gp-Cx+Lyb with right bearing, Gp wherein is for forming interference state standard value.
The measuring and choosing adjusting washer of differential bearing system of the cannula type main gearbox assembly that patented claim of the present invention provides, this system comprises that electronic data processing division and following mechanism arrangement constitute and finishes: simulate in differential left, right bearing, be matched with left and right dead eye of bevel housing and differential left, right bearing platform assembling preparation left and right reference measurement piece is arranged, in same line slideway, driven operation and be symmetrically arranged with left and right slide block by actuating unit, left and right reference measurement piece bottom symmetry respectively is fixed on and forms the simulation bearing on the left and right slide block and adjust assembly; Serve as the operation center line and be symmetrically arranged with left and right spindle nose and the driving travelling mechanism separately of compressing with the driven gear axis, compress spindle nose and bevel housing two ends through hole, promptly closely contact with the through hole inner face that the axle tube ring flange connects; Left and right reference measurement piece outer face respectively is provided with a sensing lever groove is set, the hinged sensing lever that places of sensing lever is provided with in the groove, the sensing lever upper end is provided with the probe of touch inducing in the left and right dead eye inner face of bevel housing, lever lower end and displacement transducer interlock, displacement transducer become the value of sending to be transmitted by the electronic data processing division data channel; Be positioned at bevel housing driving gear shaft line working position and be provided with the driving gear tie-plate that drives by the rotating mechanism rotation.
The measuring and choosing adjusting washer of differential bearing method of the disclosed cannula type main gearbox assembly of patented claim of the present invention and systems technology scheme thereof, for light-duty vehicle breakaway-element steering drive axle assembly assembly line provides differential left, right bearing is adjusted the online survey selecting technology of packing ring, make the assembly assembly line reach the technical purpose of standardization assembling operation, thereby overcome the dimensional tolerence of traditional assembly method because of part, shaped position tolerance and manual trial assembly are mixed human factor and are caused a variety of causes such as error is big, the trial assembly bearing that is caused is adjusted the packing ring value and is selected the improper master who causes, passive tooth wheel set contact region engaging tooth side clearance and bearing pre-fastening moment are either large or small, can not meet the phenomenon appearance that product technology requires simultaneously, also avoid the repeatedly easy potential failure mode phenomenon that part mating surface precision takes place to destroy of trial assembly dismounting.
Description of drawings
Fig. 1 is the core component of light-duty vehicle breakaway-element steering and driving axle---differential mechanism sub-unit and cannula type main gearbox assembly and axle tube general assembly structure division cut-open view
Fig. 2 assembles the component structural representation with the differential mechanism and the main reducing gear of differential left, corresponding each the parameter meaning of right bearing adjusting pad number of turns computation model
Fig. 3 is the mechanism arrangement structural map that differential left, right bearing are adjusted the packing ring measuring and selecting system.
Embodiment
The measuring and choosing adjusting washer of differential bearing method of the disclosed cannula type main gearbox assembly of patented claim of the present invention, be based on measuring and selecting system, promptly include electronic data processing division and this electronic data processing division and gather displacement transducer in the following mechanism arrangement and become the value of sending and carry out corresponding mathematics model and calculate that connections realizes, its described mechanism arrangement constitutes and is: simulate in differential left, right bearing, be matched with left and right dead eye of bevel housing and differential left, the assembling of right bearing platform prepares that left and right reference measurement piece 1a, 1b are arranged; Drive and be symmetrically arranged with left and right slide block 2a, the 2b of operation on the guide rail 2 along a straight line respectively by cylinder 20a, 20b and cylinder piston; Left and right reference measurement piece 1a, 1b by screw 21 respectively symmetry be fixed on left and right slide block 2a, the 2b, form the simulation differential bearing and adjust assembly; Serve as the operation center line and be symmetrically arranged with left and right spindle nose 3a, 3b and the 30a of corresponding cylinder mechanism, the 30b of compressing with driven gear 5 axis, compress spindle nose 3a, 3b under the dynamic action of its cylinder mechanism 30a, 30b, closely contact with bevel housing two ends through hole inner face, left and right slide block cylinder 20a, 20b and compress spindle nose cylinder mechanism 30a, 30b and be mounted on respectively on left socle plate 11a and the right support plate 11b are fixedly set on the lower table 10; Left and right reference measurement piece 1a, 1b outer face are arranged with sensing lever respectively groove 12 are set, sensing lever 13 is provided with in the groove 12 by the bearing pin 14 hinged sensing levers that place, sensing lever 13 upper ends are provided with the probe 15 of touch inducing in the left and right dead eye inner face of bevel housing, the lever lower end under retracing spring 16 effect with displacement transducer 17 interlock settings; The lever lower end is provided with spacing ejector pin 19 in the opposite side of displacement transducer 17; Upper table 18 constitutes measuring and selecting system mechanical hook-up working frame through column 6 and lower table 10, and tie-plate 31 that connects with driving gear 3 and rotation wheel box 7 thereof are installed and be arranged on the upper table 18.Described electronic data processing division is to be connected with computing machine central control unit data transmission by two-way A/D converter and the communication interface of gathering left and right displacement transducer change value of sending, constitutes because this technical pattern consists of routine techniques, therefore repeats no more.
Narrate the survey of differential left, right bearing adjustment packing ring below and select process.At first, finish electronic data processing division based on the above mechanism arrangement and measure initialization operation: fit in left and right reference measurement piece sensing lever 15 end faces of popping one's head in successively by flat assaying table, the shift transmission value of gathering left and right displacement transducer 17 successively by electronic data processing division, and according to this as the initial null value of electronic data processing division.Process is selected in survey: 1., tested component is arranged on the said mechanism device, the left and right pedestal that is about to differential mechanism 4 and driven gear 5 assembling components is positioned over left and right reference measurement piece 1a, 1b endoporus, the left and right dead eye of bevel housing 1 vertically is positioned over left and right reference measurement piece 1a, 1b outside surface, driving gear tie-plate 31 connects with driving gear 3, compresses with left and right that spindle nose 3a, 3b push bevel housing 1 two ends through hole, fixedly bevel housing 1 puts in place with driving gear 3 assembling components; 2., start left slider cylinder 20a, move right by left slider 2a drive differential mechanism and driven gear assembling component, this moment, rotating mechanism 7 slowly ran, make driving gear closely contact and make the master with driven gear, passive tooth wheel set contact region engaging tooth side clearance is zero, the stroke guide groove of left slider 2a in press main thereafter, passive tooth wheel set contact region engaging tooth side clearance standard value Cx is provided with the stroke limit piece, micro-left mobile left slider 2a and left reference measurement piece 1a thereof, drive driving gear and passive tooth wheel set the contact region engaging tooth side clearance standard value range set in low speed rotation by rotating mechanism 7 this moment, so that operating personnel's visual detection master, engagement trace in passive tooth wheel set contact region comprehensively judges whether to meet the product technology requirement; Back right slide block 2b of promotion and right reference measurement piece 1b thereof are moved to the left again, with differential mechanism 4 and driven gear 5 component fix in position; 3., gather a left side by electronic data processing division this moment, the shift transmission value of right displacement transducer 17, and draw a left side through A/D conversion and routine processes, the left side of right differential bearing outer face and bevel housing, the clearance measurement value Lzs of right differential bearing hole inner face, Lys, again by the left side of electronic data processing division according to input, right reference measurement piece nominal thickness value Zj, Yj and respective side bearing thickness Z h, Yh difference computing respectively obtains respective side offset Lzb, Lyb, calculate left bearing respectively according to mathematical model and adjust packing ring value Lz=Lzs+Gp-Cx+Lzb, adjust packing ring value Ly=Lys+Gp-Cx+Lyb with right bearing, Gp wherein is for forming interference state standard value.
Claims (2)
1. the measuring and choosing adjusting washer of differential bearing method of a cannula type main gearbox assembly, it is characterized in that this method is based on comprises what electronic data processing division and following mechanism arrangement were finished: simulate in differential left, right bearing, be matched with left and right dead eye of bevel housing and differential left, right bearing platform assembling preparation left and right reference measurement piece is arranged, in same line slideway, driven operation and be symmetrically arranged with left and right slide block by actuating unit, left and right reference measurement piece bottom symmetry respectively is fixed on and forms the simulation bearing on the left and right slide block and adjust assembly; Serve as the operation center line and be symmetrically arranged with left and right spindle nose and the driving travelling mechanism separately of compressing with the driven gear axis, compress spindle nose and bevel housing two ends through hole, promptly closely contact with the through hole inner face that the axle tube ring flange connects; Left and right reference measurement piece outer face is provided with a sensing lever groove is set, the hinged sensing lever that places of sensing lever is provided with in the groove, left and right sensing lever upper end is respectively equipped with the probe of touch inducing in the left and right dead eye inner face of bevel housing, left and right sensing lever lower end respectively with left and right displacement transducer interlock; Be positioned at bevel housing driving gear shaft line working position and be provided with the driving gear tie-plate that drives by the rotating mechanism rotation; Its measuring and selecting method is: finish the electronic data processing division initialization based on the said mechanism device: assaying table fits in left and right reference measurement piece outer face respectively, gather the shift transmission value of left and right displacement transducer at this moment respectively by electronic data processing division, and demarcate the initial null value of electronic data processing division with this; Process is selected in survey: the left and right pedestal of differential mechanism and driven gear assembling component is positioned over left and right reference measurement piece endoporus, the left and right dead eye of bevel housing vertically is positioned over left and right reference measurement piece outside surface, the driving gear tie-plate connects with the driving gear ring flange, compresses with left and right that spindle nose pushes bevel housing two ends through hole, fixedly bevel housing and driving gear assembling component puts in place; Drive left slider and drive differential mechanism and assemble component with driven gear and move right, through rotating mechanism slowly run driving gear closely contacted with driven gear and make main, passive tooth wheel set contact region engaging tooth side clearance be zero after, actuating unit is moved to the left by master, passive tooth wheel set contact region engaging tooth side clearance standard value Cx trace pulling left slider, promotes right slide block again and is moved to the left differential mechanism and the clamping of driven gear assembling component; Gather left and right displacement transducer respectively by electronic data processing division again and become the value of sending Lzs, Lys, be offset Lzb, Lyb according to reference measurement piece and respective side bearing thickness difference respectively, adjust packing ring value Lz=Lzs+Gp-Cx+Lzb by the calculated with mathematical model left bearing, adjust packing ring value Ly=Lys+Gp-Cx+Lyb with right bearing, Gp wherein is for forming interference state standard value.
2. realize the measuring and choosing adjusting washer of differential bearing system of a kind of cannula type main gearbox assembly of the described measuring and selecting method of claim 1, it is characterized in that this system comprises what electronic data processing division and following mechanism arrangement were finished: simulate in differential left, right bearing, be matched with a bevel housing left side, right bearing hole and differential left, right bearing platform assembling preparation has a left side, right reference measurement piece (1a, 1b), in same line slideway (2), drive operation and be symmetrically arranged with a left side by actuating unit, right slide block (2a, 2b), a left side, right reference measurement piece bottom symmetry respectively is fixed on a left side, form the simulation bearing on the right slide block and adjust assembly; Serve as the operation center line and be symmetrically arranged with left and right spindle nose (3a, 3b) and the driving travelling mechanism (30a, 30b) separately of compressing with the driven gear axis, compress spindle nose and bevel housing two ends through hole, promptly closely contact with the through hole inner face that the axle tube ring flange connects; Left and right reference measurement piece outer face respectively is provided with a sensing lever groove (12) is set, the hinged sensing lever that places of sensing lever (13) is provided with in the groove, left and right sensing lever upper end is respectively equipped with the probe (15) of touch inducing in the left and right dead eye inner face of bevel housing, left and right sensing lever lower end respectively with left and right displacement transducer (17) interlock, displacement transducer becomes the value of sending to be transmitted by the electronic data processing division data channel; Be positioned on the bevel housing driving gear axis and do the position and be provided with the driving gear tie-plate (31) that drives by the rotating mechanism rotation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100120718A CN101354232B (en) | 2008-06-25 | 2008-06-25 | Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100120718A CN101354232B (en) | 2008-06-25 | 2008-06-25 | Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly |
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| Publication Number | Publication Date |
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| CN101354232A CN101354232A (en) | 2009-01-28 |
| CN101354232B true CN101354232B (en) | 2010-10-13 |
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| CN2008100120718A Active CN101354232B (en) | 2008-06-25 | 2008-06-25 | Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9022892B1 (en) * | 2014-04-23 | 2015-05-05 | American Axle & Manufacturing, Inc. | Axle assembly having differential assembly with inverted differential bearings |
| CN104567779B (en) * | 2014-12-24 | 2017-08-08 | 北京泰诚信测控技术股份有限公司 | A kind of left and right bearing shim measuring and selecting system of differential mechanism |
| CN105091830A (en) * | 2015-08-05 | 2015-11-25 | 安徽巨一自动化装备有限公司 | Gear clearance measurement component based on displacement sensor |
| CN105539134B (en) * | 2015-12-30 | 2018-05-04 | 辽宁曙光汽车集团股份有限公司 | Assemble vehicle bridge retarder easy to maintenance |
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|---|---|---|---|---|
| US5590561A (en) * | 1993-04-30 | 1997-01-07 | Emerson Electric Co. | 90 degree speed reducer assembly, process, and measuring machine |
| CN2763792Y (en) * | 2004-12-09 | 2006-03-08 | 合肥工业大学 | Measuring mechanism of pre-selection unit for assembling washer of main speed reducer of car |
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2008
- 2008-06-25 CN CN2008100120718A patent/CN101354232B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590561A (en) * | 1993-04-30 | 1997-01-07 | Emerson Electric Co. | 90 degree speed reducer assembly, process, and measuring machine |
| CN2763792Y (en) * | 2004-12-09 | 2006-03-08 | 合肥工业大学 | Measuring mechanism of pre-selection unit for assembling washer of main speed reducer of car |
Non-Patent Citations (3)
| Title |
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| US 5590561 A,全文. |
| 刘志峰等.汽车驱动桥主减速器垫片预选测量机构的设计.机械设计与研究24 3.2008,24(3),97-100. |
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