CN101419120A - System for measuring and selecting general-purpose axle shaft gear adjusting washer of drive axle assembly and measuring and selecting method - Google Patents

System for measuring and selecting general-purpose axle shaft gear adjusting washer of drive axle assembly and measuring and selecting method Download PDF

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Publication number
CN101419120A
CN101419120A CNA2008102286506A CN200810228650A CN101419120A CN 101419120 A CN101419120 A CN 101419120A CN A2008102286506 A CNA2008102286506 A CN A2008102286506A CN 200810228650 A CN200810228650 A CN 200810228650A CN 101419120 A CN101419120 A CN 101419120A
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mandrel
measuring
selecting
shaft gear
station
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CN100590407C (en
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于刚
高飞
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LIAONING SG AUTOMOTIVE GROUP CO Ltd
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LIAONING SG AUTOMOTIVE GROUP CO Ltd
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Abstract

The invention relates to a system and a method for selecting and measuring general half axle gear adjusting washers of an automobile driving axle assembly. The selecting and measuring system comprises a mechanical selecting and measuring station and an electronic control system, wherein the mechanical selecting and measuring station comprises a clamping station and executing stations which are symmetrically arranged on both sides of the clamping station; the clamping station is used for fixing in a horizontal state of a half-axle axial line of a differential carrier; the executing stations on both sides are symmetrically provided with mandrel horizontal position adjusting mechanisms and mandrel rotation driving mechanisms; and displacement sensors which sense the horizontal displacement of a mandrel are arranged inside the two horizontal position adjusting mechanisms. The invention provides the corresponding selecting and measuring method based on the selecting and measuring device, which obtains values of a left half-axle gear adjusting washer and a right half-axle gear adjusting washer by implementation of calculation on a mathematic model through the electronic control system. The technical proposal achieves the technical aim of dynamically selecting and measuring the half-axle gear adjusting washers, eliminates variation of the static measuring method to the maximum degree, simultaneously suppresses interference of personal factors, and further effectively improves the selecting and measuring precision.

Description

The general axle shaft gear of drive axle assembly is adjusted packing ring measuring and selecting system and measuring and selecting method
Technical field
What the present invention relates to is that the axle shaft gear of semiaxis in the differential mechanism sub-unit of automobile drive axle assembly, planet wheel pair is adjusted packing ring measuring and selecting system and measuring and selecting method.
Background technology
Automobile drive axle assembly main body formation includes main members such as differential mechanism sub-unit, main gearbox assembly and semiaxis, axle housing, wheel hub and brake drum and detent, and wherein the assembling quality of main gearbox assembly and differential mechanism sub-unit is the key project that influences automobile drive axle assembly product comprehensive quality.Wherein, the axle shaft gear of semiaxis, planet wheel pair, planet wheel all adopt the precision forging technology manufacturing in the differential mechanism sub-unit, there is corresponding circular pitch error in profile of tooth, must select suitable axle shaft gear to adjust packing ring and compensate, just can make semiaxis, the secondary contact region of planet wheel engaging tooth side clearance after the assembling meet the product technology requirement.At present, domestic automobile vehicle bridge industry is adjusted the matching method that packing ring selects still to adopt artificial trial assembly to the axle shaft gear of semiaxis, planet wheel pair in the differential mechanism sub-unit, this apolegamy operating type is static examination choosing method, the apolegamy precision is difficult to guarantee, and its assembling work form is owing to exist the interference of human factor, substandard product occurs often, the processing of must in time doing over again, and such rework operation often needs repeatedly.
Summary of the invention
The goal of the invention of patented claim of the present invention is so that actual detection of dynamic mode and adjust packing ring in conjunction with the axle shaft gear that electric detective technology is finished semiaxis in the differential mechanism sub-unit, planet wheel pair and survey selection operation and provide a kind of general axle shaft gear of drive axle assembly to adjust packing ring measuring and selecting system and measuring and selecting method to be provided, this measuring and selecting system and measuring and selecting method are effectively got rid of human factor the interference of work are selected in survey, and it is applicable to more that also the automobile drive axle assembly assembling product line finishes online detection, realizes assembly standardization assembling.
The general axle shaft gear of the disclosed drive axle assembly of patented claim of the present invention is adjusted the packing ring measuring and selecting system, it comprises that machinery is surveyed and selects station and electronic control system that machinery is surveyed to select station to include and clamp station and be symmetricly set on the execution station that clamps the station both sides and constituted jointly; Clamp station and be differential casing semiaxis axis horizontal state fixing clamp station, semiaxis, planet wheel pair are assembled in and constitute component in the differential casing; The left and right mandrel and the left and right half gear of simulation left and right half are assembled into one respectively, two carry out station is arranged with mandrel level position adjusting mechanism and mandrel rotary drive mechanism, be equipped with the displacement transducer of responding in the mandrel horizontal shift in the two level position adjusting mechanisms, left and right displacement transducer is electrically connected with a signal sampling channel of electronic control system respectively.
In above-mentioned measuring and selecting system technical scheme, axle shaft gear and assembling of the mandrel in the measuring and selecting system or dismounting for the ease of tested component, its mandrel is designed to the central siphon structure, be equipped with a pull bar in the pipe, pull bar the inner is provided with an enlarging cone that is used for stretching mandrel's central siphon inner port, and the pull bar outer end is provided with the adjustment nut that cooperates with mandrel central siphon outer end.
Realize that based on above-mentioned measuring and selecting system the general axle shaft gear of the drive axle assembly of patented claim of the present invention adjusts the technical scheme of packing ring measuring and selecting method, its measuring and selecting method is:
Attach together semiaxis, the differential casing of planet wheel pair clamps to be fixed on semiaxis axis horizontal state and clamps on the station, choose a corresponding left side according to automobile drive axle assembly model, right mandrel, respectively with a left side, the right axle shaft gear is assembled into one, start level position, both sides adjusting mechanism, pulling mandrel and axle shaft gear, making axle shaft gear that end face is installed closely contacts with differential casing endoporus inner face, open the mandrel rotary drive mechanism and drive the mandrel rotation, electronic control system is moved the left side that a set angle value is gathered two signal sampling channels respectively at the mandrel revolution, right displacement transducer induced signal, calculating mean value obtains measuring basis value Jz; Thereafter, adjust mandrel level position by level position adjusting mechanism, make semiaxis, the secondary contact region of planet wheel engaging tooth side clearance is zero, and satisfy under each tooth engagement of each tooth of axle shaft gear and planet wheel condition once and slowly run continuously, respectively by two signal sampling channels gather a left side by electronic control system this moment, right displacement transducer induced signal, conversion obtains the maximum displacement value Wymax under the minimum accumulation circular pitch error state, gather two displacement transducer induced signals respectively, obtain the least displacement value Wymin under the cumulative maximum circular pitch error state, calculate by following mathematical model:
Cxmax=Jz+Wymin、Cxmin=Jz+Wymax,
Wherein, Cxmax is a maximum tooth side clearance value, and Cxmin is a minimum tooth side clearance value;
Lz (or Ly)=Cx max-Cx min, wherein, Lz is that left half axle gear is adjusted the packing ring value, Ly adjusts the packing ring value for the right axle shaft gear.
The general axle shaft gear of the disclosed drive axle assembly of patented claim of the present invention is adjusted packing ring measuring and selecting system and measuring and selecting method technical scheme, extract a left side by electronic control system, right displacement transducer induced signal, conversion also calculates semiaxis, the relevant data value of planet wheel secondary motion state, realized that axle shaft gear adjusts packing ring and dynamically survey the technical purpose of choosing, eliminated the variation that static measurement method exists to greatest extent, got rid of the interference of human factor simultaneously, and then effectively raise to survey and select precision, for the key project of automobile drive axle assembly product meets the product technology requirement, implement product quality indicator Comprehensive Control purpose and created condition.The technical program can become in the differential mechanism sub-unit of automobile drive axle assembly assembling product line axle shaft gear and adjust the online survey screening device of packing ring, makes the whole piece assembly line realize the technical purpose of standardization assembling.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are respectively the general assembly structural drawing of four kinds of automobile drive axle assemblies that adopt different types differential mechanism sub-unit structure
Fig. 5 selects schematic diagram for the survey that the general axle shaft gear of this drive axle assembly is adjusted packing ring
Fig. 6 selects the station structure synoptic diagram for the machinery survey that the general axle shaft gear of this drive axle assembly is adjusted the packing ring measuring and selecting system
Fig. 7 adjusts the sectional structure chart that clamps station and its right side execution station of packing ring measuring and selecting system for the general axle shaft gear of this drive axle assembly.
Embodiment
The general axle shaft gear of this drive axle assembly is adjusted the packing ring measuring and selecting system, it comprises that machinery is surveyed and selects station and electronic control system, its machinery is surveyed to select station to include and clamp station 2 and be symmetricly set on the execution station 3 that clamps the station both sides and is constituted jointly, as shown in Figure 6 and Figure 7, clamp station 2 and fixedly clamp station for differential casing, semiaxis, planet wheel pair are assembled in and constitute component in the differential casing, be positioned in semiaxis axis horizontal mode on the V-type supporter 12 of both sides, clamp oil cylinder 1 and pressure head clamps differential casing fixing by top.The left and right mandrel and the axle shaft gear of simulation left and right half are assembled into one, and are carried out guide bearing chock 17 rotational support of station 3 respectively by both sides, and connect with the level position adjusting mechanism of carrying out station 3 and rotary drive mechanism assembling.Level position adjusting mechanism wherein comprises guiding back up pad 11, the mandrel guiding bracing frame that is slidingly matched with guiding back up pad 11 guiding and drive the moving driving cylinder 10 of mandrel guiding bracing frame horizontal shift and constitute, mandrel 13 outer ends are provided with on the bearings plate 18 that retaining bearing 6 is assemblied in mandrel guiding bracing frame, bearings plate 18 is parallel with measurement plate 8, fixedly constitute mandrel guiding bracing frame by guide rod 9, guiding back up pad 11 is slidingly matched with guide rod 9 horizontally-guideds, being fixed in guiding back up pad 11 responds in measurement plate 8 positions with mandrel 13 interlocks and is provided with displacement transducer 7, a left side, right displacement transducer 7 is electrically connected with the two paths of signals acquisition channel of electronic control system respectively, gather the induced signal of two displacement transducers respectively by the two paths of signals acquisition channel by electronic control system, finish numerical evaluation by its central control unit.Just can finish the electronic control system structure by known technology and constitute design, electronic control system just be repeated no more at this.For ease of the dismounting of mandrel 13 with axle shaft gear, improve the assembly and disassembly speed of mandrel and axle shaft gear, in this enforcement structure, its left side, right mandrel 13 is the central siphon structure, be equipped with a pull bar 19 in the mandrel central siphon, pull bar 19 the inners are provided with an enlarging cone 14 that is used for stretching mandrel's central siphon inner port, enlarging cone 14 cooperates with the mandrel central siphon is inner, pull bar 19 outer ends are provided with adjusts nut 4, adjust nut 4 and mandrel central siphon outer end threaded engagement, nut 4 is adjusted in the extreme direction turn outside pull bar 19, the inner port of mandrel central siphon is clamp-oned and opened to enlarging cone 14, impels mandrel central siphon and axle shaft gear immovable fitting.The flute profile tape handler that the mandrel rotary drive mechanism includes between motor 16 and mandrel 13 and motor 16 output shafts constitutes.
Rely on above-mentioned measuring and selecting system and realize that the general axle shaft gear of drive axle assembly of the present invention adjusts the measuring and selecting method of packing ring, its measuring and selecting method comprises:
Attach together semiaxis, the differential casing of planet wheel pair places on the V-type supporter 12 with semiaxis axis horizontal state, clamp to be fixed on and clamp on the station 2 by clamping oil cylinder 1 application of force, choose a corresponding left side according to automobile drive axle assembly model, right mandrel central siphon and the pull bar 19 that cooperates with the mandrel central siphon, the adjustment nut 4 of turn pull bar 19 outer ends, make the expansion of mandrel central siphon inner port, be assembled into one with axle shaft gear, start the driving cylinder 10 of level position, both sides adjusting mechanism then, pulling mandrel central siphon 13 and axle shaft gear, making axle shaft gear that end face is installed closely contacts with differential casing endoporus inner face, open motor 16, driving the mandrel central siphon through the flute profile tape handler rotates, turn to a fixed angle value position at the mandrel central siphon, gather a left side by electronic control system respectively by two signal sampling channels, the induced signal of right displacement transducer 7 each angle position, as displacement induced signal with 120 ° of five equilibrium angle turned positions, in every rotation round, respectively gather to extract a left side three times by electronic control system, right displacement transducer induced signal is through conversion, mean value calculation obtains a left side respectively, right measuring basis value Jz; Thereafter, driving cylinder 10 by level position adjusting mechanism is adjusted mandrel central siphon horizontal level, make semiaxis, the secondary contact region of planet wheel engaging tooth side clearance is zero, and satisfy under each tooth engagement of each tooth of axle shaft gear and planet wheel condition once and slowly run continuously, gather and change a left side by electronic control system respectively by two signal sampling channels again, right displacement transducer induced signal, gather two displacement transducer induced signals respectively, obtain the maximum displacement value Wymax value under the minimum accumulation circular pitch error state, gather two displacement transducer induced signals respectively, obtain the least displacement value Wymin value under the cumulative maximum circular pitch error state, obtain a left side respectively by following calculated with mathematical model, the right axle shaft gear is adjusted packing ring ThicknessValue:
Cxmax=Jz+Wymin、Cxmin=Jz+Wymax,
Wherein, Cxmax is a maximum tooth side clearance value, and Cxmin is a minimum tooth side clearance value;
Lz (or Ly)=Cx max-Cx min, wherein, Lz is that left half axle gear is adjusted the packing ring value, Ly adjusts the packing ring value for the right axle shaft gear.

Claims (4)

1, the general axle shaft gear of drive axle assembly is adjusted the packing ring measuring and selecting system, it is characterized in that this system comprises that machinery is surveyed and selects station and electronic control system, machinery is surveyed and is selected station to include to clamp station (2) and be symmetricly set on the common formation of the execution station (3) that clamps the station both sides; Clamp station and be differential casing semiaxis axis horizontal state fixing clamp station, semiaxis, planet wheel pair are assembled in and constitute component in the differential casing; The left and right mandrel (13) of simulation left and right half is assembled into one respectively with the left and right half gear, two carry out station is arranged with mandrel level position adjusting mechanism and mandrel rotary drive mechanism, be equipped with the displacement transducer of responding in the mandrel horizontal shift (7) in the two level position adjusting mechanisms, left and right displacement transducer is electrically connected with a signal sampling channel of electronic control system respectively.
2, general axle shaft gear according to claim 1 is adjusted the packing ring measuring and selecting system, it is characterized in that mandrel level position adjusting mechanism comprises guiding back up pad (11), the mandrel guiding bracing frame that is slidingly matched with guiding back up pad guiding and drive the moving driving cylinder (10) of mandrel guiding bracing frame horizontal shift and constitute, the mandrel outer end is provided with on the bearings plate (18) that retaining bearing (6) is assemblied in mandrel guiding bracing frame, the bearings plate and measure plate (8) parallel, constitute the mandrel bracing frame that leads by guide rod (9) is fixing; Guiding back up pad (11) is slidingly matched with guide rod (9) horizontally-guided, is fixed in guiding back up pad (11) and responds in measurement plate (8) position with mandrel (13) interlock and be provided with displacement transducer (7).
3, general axle shaft gear according to claim 1 and 2 is adjusted the packing ring measuring and selecting system, it is characterized in that its mandrel is the central siphon structure, be installed with a pull bar (19) in the mandrel central siphon, pull bar the inner is provided with an enlarging cone (14) that is used for stretching mandrel's central siphon inner port, and the pull bar outer end is provided with the adjustment nut (4) that cooperates with mandrel central siphon outer end.
4, adjust the measuring and selecting method of packing ring based on the general axle shaft gear of the drive axle assembly of the described measuring and selecting system of claim 1, it is characterized in that this measuring and selecting method is:
Attach together semiaxis, the differential casing of planet wheel pair clamps to be fixed on semiaxis axis horizontal state and clamps on the station, choose a corresponding left side according to automobile drive axle assembly model, right mandrel, respectively with a left side, the right axle shaft gear is assembled into one, start level position, both sides adjusting mechanism, pulling mandrel and axle shaft gear, making axle shaft gear that end face is installed closely contacts with differential casing endoporus inner face, open the mandrel rotary drive mechanism and drive the mandrel rotation, electronic control system is moved the left side that a set angle value is gathered two signal sampling channels respectively at the mandrel revolution, right displacement transducer induced signal, calculating mean value obtains measuring basis value Jz; Thereafter, adjust mandrel level position by level position adjusting mechanism, make semiaxis, the secondary contact region of planet wheel engaging tooth side clearance is zero, and satisfy under each tooth engagement of each tooth of axle shaft gear and planet wheel condition once and slowly run continuously, respectively by two signal sampling channels gather a left side by electronic control system this moment, right displacement transducer induced signal, conversion obtains the maximum displacement value Wymax under the minimum accumulation circular pitch error state, gather two displacement transducer induced signals respectively, obtain the least displacement value Wymin under the cumulative maximum circular pitch error state, calculate by following mathematical model:
Cxmax=Jz+Wymin、Cxmin=Jz+Wymax,
Wherein, Cxmax is a maximum tooth side clearance value, and Cxmin is a minimum tooth side clearance value;
Lz (or Ly)=Cx max-Cx min, wherein, Lz is that left half axle gear is adjusted the packing ring value, Ly adjusts the packing ring value for the right axle shaft gear.
CN200810228650A 2008-11-07 2008-11-07 General half axle gear adjusting washer testing and selecting system for driving axle assembly and testing and selecting method thereof Active CN100590407C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104625833A (en) * 2014-12-29 2015-05-20 安阳工学院 Machine tool for coarse and fine reaming of inner spherical surface, outer spherical surface and end face of differential shell
CN105793619A (en) * 2013-12-02 2016-07-20 丰田自动车株式会社 Device for measuring range of motion of side gear
CN106092408A (en) * 2016-06-08 2016-11-09 浙江同济科技职业学院 Axle shaft gear removal force and press-fit force test device
CN106353094A (en) * 2016-11-28 2017-01-25 盛瑞传动股份有限公司 Fatigue test bench for sun bevel gear gasket of differential mechanism and test method of fatigue test bench
CN104596463B (en) * 2014-11-13 2017-06-06 北京泰诚信测控技术股份有限公司 A kind of axle shaft gear pad measuring and selecting system and measuring and selecting method
CN109238207A (en) * 2018-09-26 2019-01-18 江苏上汽汽车变速器有限公司 A kind of dynamic differential axle is to clearance meter and its measurement method
CN111060053A (en) * 2019-12-30 2020-04-24 武汉理工大学 Rear axle main reducing gear assembly clearance measuring system and method
WO2020125190A1 (en) * 2018-12-17 2020-06-25 江西福格新能源传动技术有限公司 Center misalignment detection device and method for differential and half shaft installation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105793619A (en) * 2013-12-02 2016-07-20 丰田自动车株式会社 Device for measuring range of motion of side gear
CN105793619B (en) * 2013-12-02 2018-09-04 丰田自动车株式会社 The moving range measurement device of axle shaft gear
CN104596463B (en) * 2014-11-13 2017-06-06 北京泰诚信测控技术股份有限公司 A kind of axle shaft gear pad measuring and selecting system and measuring and selecting method
CN104625833A (en) * 2014-12-29 2015-05-20 安阳工学院 Machine tool for coarse and fine reaming of inner spherical surface, outer spherical surface and end face of differential shell
CN106092408A (en) * 2016-06-08 2016-11-09 浙江同济科技职业学院 Axle shaft gear removal force and press-fit force test device
CN106092408B (en) * 2016-06-08 2018-12-11 浙江鑫可精密机械有限公司 Axle shaft gear removal force and press fitting force test device
CN106353094A (en) * 2016-11-28 2017-01-25 盛瑞传动股份有限公司 Fatigue test bench for sun bevel gear gasket of differential mechanism and test method of fatigue test bench
CN106353094B (en) * 2016-11-28 2019-01-29 盛瑞传动股份有限公司 Differential mechanism parasol cog spacers fatigue test board and its test method
CN109238207A (en) * 2018-09-26 2019-01-18 江苏上汽汽车变速器有限公司 A kind of dynamic differential axle is to clearance meter and its measurement method
CN109238207B (en) * 2018-09-26 2024-02-23 江苏上汽汽车变速器有限公司 Dynamic differential axial clearance measuring instrument and measuring method thereof
WO2020125190A1 (en) * 2018-12-17 2020-06-25 江西福格新能源传动技术有限公司 Center misalignment detection device and method for differential and half shaft installation
CN111060053A (en) * 2019-12-30 2020-04-24 武汉理工大学 Rear axle main reducing gear assembly clearance measuring system and method

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