CN102607485B - Device for detecting run-out of flange of automobile rear axle main reducing gear component - Google Patents
Device for detecting run-out of flange of automobile rear axle main reducing gear component Download PDFInfo
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- CN102607485B CN102607485B CN201210091787.8A CN201210091787A CN102607485B CN 102607485 B CN102607485 B CN 102607485B CN 201210091787 A CN201210091787 A CN 201210091787A CN 102607485 B CN102607485 B CN 102607485B
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Abstract
The invention relates to a device for detecting the run-out of a flange of an automobile rear axle main reducing gear component. The device is characterized by comprising a detection mounting module, a seam allowance monitoring module, an end face detection module, a driving module, a rack module and a control module, wherein the rack module is used for arranging the detection mounting module, the driving module and the control module; the detection mounting module is used for arranging the seam allowance monitoring module and the end face detection module; a fulcrum of the detection mounting module is hinged with the rack module; one end of the detection mounting module is fixed on the rack module, and the seam allowance monitoring module and the end face detection module are fixedly arranged at the other end of the detection mounting module; and the seam allowance monitoring module and the end face detection module are driven by the motion of the detection mounting module to be separated from or to contact with the flange to be detected of the automobile rear axle main reducing gear component. The device has the advantages that positions with a maximum end face run-out value and a maximum seam allowance run-out value of the flange can be more conveniently recorded, and the maximum end face run-out value and the maximum seam allowance run-out value can be better positioned.
Description
Technical field
The invention belongs to the quality testing field of auto parts and components, be specifically related to the face runout of the flange to main speed reducer of rear axle and the jack value measuring device that seam is beated.
Background technology
The end of the drive axle of automobile in power train, its basic function is to increase by transmission shaft or the torque of directly being transmitted by variator, to left and right driving wheel, and makes left and right driving wheel have the desired differential function of running car kinematics torque distribution; Meanwhile, drive axle also will bear the vertical force, longitudinal force and the transverse force that act between road surface and vehicle frame or compartment.
Main speed reducer of rear axle assembly is one of principal assembly structure in the drive axle of automobile, it is the topmost drive disk assembly of automotive transmission, main speed reducer of rear axle is mainly made up of bevel housing, main reducing gear hypoid gear pair and differential assembly, the task of automotive transmission is to transmit the power of engine, to adapt to the needs of running car.Rotating speed and the torque of engine output are delivered on differential carrier, then pass through differential and the torque distribution effect of differential mechanism after the deceleration of main reducing gear increases torsion effect, by left and right semiaxis, rotating speed and torque are outputed on the driving wheel of automobile both sides.
As shown in Figure 1, described main speed reducer of rear axle assembly 90 mainly comprises the parts such as flange 91, reducing gearbox 92, drive bevel gear 93, planet wheel 94, driven hypoid gear 95, differential carrier 96 and axle shaft gear 97 to the detailed structure of main speed reducer of rear axle assembly.Flange 91 is positioned at the top of main speed reducer of rear axle assembly 90, and the step surface of flange 91 lower ends, the inside, as the supporting surface of set nut, by tightening set nut, makes main cone bearing have certain pretightning force, and flange inner ring designs for spline.As shown in Figure 2, flange 91 is the solid of revolution with boss and hole, and in figure, directions X is the seam direction of beating, and Y is face runout direction, center pit is in order to drive bevel gear 93 to be installed, and described drive bevel gear 93 engages with driven hypoid gear 95 and can drive or with its motion.
In process, due to the impact of technique and various mismachining tolerances, the end face possibility out-of-flatness of flange 91, the circle of the seam of flange 91 may irregularity.In installation process, also can there is certain error, the axle of drive bevel gear 93 has small inclination in mounting hole, thereby flange 91 has small inclination, also easily affect the rotation of transmission shaft and flange 91 and drive bevel gear 93 simultaneously and rotate decentraction, cause drive bevel gear 93 not steady with engaging of driven hypoid gear 95, when rotation, noise is large, transmission efficiency reduces, and also shortens the mission life of main reducing gear, also easily causes vehicle safety accident.
Therefore after assembling motor vehicle rear-end gear reduction assembly, the necessary motion conditions to main speed reducer of rear axle assembly detects, the flange 91 that must ensure main speed reducer of rear axle assembly is in seam and end face direction in the course of the work in the scope in safety, therefore to detect be the important process in automobile production to the motion conditions of the flange 91 to the main speed reducer of rear axle assembly assembling, but now yet there are no the appearance of the pick-up unit of the flange 91 that is exclusively used in accordingly main speed reducer of rear axle assembly.
Summary of the invention
The object of the invention is for provide a kind of automatization level very high to the flange of the main speed reducer of rear axle assembly monitoring device that the situation of beating is monitored in end face and seam direction, in order to the quality safety to judge main speed reducer of rear axle assembly.
Technical scheme of the present invention is: the pick-up unit of beating for main speed reducer of rear axle assembly flange, it is characterized in that, and comprise and detect installation module, seam monitoring modular, end face detection module, driver module, stand module and control module;
Described stand module is in order to installation and measuring installation module, driver module and control module;
Described detection installation module is in order to install seam monitoring modular and end face detection module, the fulcrum of described detection installation module is hinged in stand module, one end is fixedly mounted in stand module, the other end is installed with seam monitoring modular and end face detection module, drives seam monitoring modular and end face detection module to separate or contact with the flange of detected main speed reducer of rear axle assembly under the motion of described detection installation module;
Described driver module is fixedly mounted in stand module and is positioned at the below of detecting installation module, has comprised the driven wheel in order to drive the work of main speed reducer of rear axle assembly and the drive motor in order to drive driven wheel to move;
Described control module is fixedly mounted in stand module and moves in order to control installation module and driver module, receives and analyze the detection data of seam monitoring modular and end face detection module;
Driven wheel in above-mentioned driver module after installing with drive bevel gear in main reducing gear assembly is symmetrical, engage with driven hypoid gear simultaneously so that driven hypoid gear suffered respectively from the just balance counteracting mutually of moment of driven wheel and drive bevel gear.
The invention has the beneficial effects as follows: 1. because driven wheel is selected and the product of the drive bevel gear same model of main reducing gear, and replaceable, ensure that the rotational speed of flange and the rotational speed of motor are consistent, the position that can record more easily the face runout of flange and the maximum jitter amount that seam is beated, better positions both.2. driven wheel and drive bevel gear keep symmetrical and install, and driven wheel can the driven hypoid gear of smooth drive, has reduced to the full extent the infringement to the driven hypoid gear flank of tooth.3. control module records the umber of pulse of photoelectric coded disk corresponding to maximum jitter amount position, can carry out respectively mark to beat both jerk value maximum of the face runout of flange and seam.4. the contact of the contact rod on measuring head workpiece for the lower end of sensor, the position in chuck of adjustment sensor, can ensure that displacement transducer does not damage, and can ensure to detect again effect simultaneously.
Brief description of the drawings
Fig. 1 is the structural drawing of main speed reducer of rear axle assembly.
Fig. 2 is the structural drawing of main speed reducer of rear axle assembly flange, and in figure, X is seam direction, and Y is end face direction.
Fig. 3 is the structural representation of the present invention when in running order.
Fig. 4 is the structural representation that the present invention overlooks direction (direction G) when in running order.
Fig. 5 is the C-C direction structure schematic diagram of Fig. 4.
Fig. 6 is the D-D direction structure schematic diagram of Fig. 4.
Fig. 7 is the present invention's drives structure schematic diagram when in running order.
Fig. 8 is the mounting structure schematic diagram of the present invention's driven wheel and drive bevel gear when in running order.
Description of reference numerals: detect installation module 1, gauge head cylinder transfer ear 11, gauge head cylinder 12, gauge head arm support 13, gauge head swing arm 14, the first gauge head swing arm rotating shaft 15, the second gauge head swing arm rotating shaft 16, gauge head oscillating arm bracket 17, seam monitoring modular 2, seam glitch detection displacement transducer 21, seam sensor chuck 22, the seam gauge head 23 of beating, the seam gauge head contact rod 24 of beating, end face detection module 3, face runout gauge head 31, end face sensor chuck 32, face runout detecting position displacement sensor 33, L shaped arm 34, face runout gauge head contact rod 35, driver module 4, driven wheel 41, motor 42, motor rack bearing 43, transmission minor axis 44, rotary encoder 45, bearing 46, electric machine support 47, motor jacking cylinder 48, bearing seat 49, transmission long axis 410, driven wheel sleeve 411, stand module 5, frame 51, control module 6, regulator cubicle 61, operating case 62, main reducing gear assembly 90, flange 91, reducing gearbox 92, drive bevel gear 93, planet wheel 94, driven hypoid gear 95, differential carrier 96, axle shaft gear 97.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 3 and Figure 4, the pick-up unit of beating for main speed reducer of rear axle assembly flange, comprises and detects installation module 1, seam monitoring modular 2, end face detection module 3, driver module 4, stand module 5 and control module 6;
Described stand module 5 is in order to installation and measuring installation module 1, driver module 4 and control module 6;
Described detection installation module 1 is in order to install seam monitoring modular 2 and end face detection module 3, the fulcrum of described detection installation module 1 is hinged in stand module 5, one end is fixedly mounted in stand module 5, the other end is installed with seam monitoring modular 2 and end face detection module 3, can drive seam monitoring modular 2 and end face detection module 3 to separate or contact with the flange 91 of detected main speed reducer of rear axle assembly under the motion of described detection installation module 1;
Described driver module 4 is fixedly mounted in stand module 5 and is positioned at and detects the below of installation module 1, has comprised driven wheel 41 in order to drive the work of main speed reducer of rear axle assembly and the drive motor in order to drive driven wheel 41 to move;
Described control module 6 is fixedly mounted in stand module 5 in order to control installation module 1 and driver module 4 moves, and receives and analyze the detection data of seam monitoring modular 2 and end face detection module 3.
Above-mentioned detection installation module 1 comprises gauge head cylinder transfer ear 11, gauge head cylinder 12, gauge head arm support 13, gauge head swing arm 14, the first gauge head swing arm rotating shaft 15 and the second gauge head swing arm rotating shaft 16, described gauge head cylinder transfer ear 11 one end are fixedly mounted in stand module 5, the other end and gauge head cylinder 12 are hinged, the axle of described gauge head cylinder 12 is hinged with one end of gauge head swing arm 14 by the first gauge head swing arm rotating shaft 15, the middle part of described gauge head swing arm 14 by the second gauge head swing arm rotating shaft 16 with to be fixed on gauge head oscillating arm bracket 17 in stand module 5 hinged, the other end of described gauge head swing arm 14 is provided with seam monitoring modular 2 and end face detection module 3,
As shown in Figure 4 and Figure 5, above-mentioned seam monitoring modular 2 comprises seam glitch detection displacement transducer 21, seam sensor chuck 22 and the seam gauge head 23 of beating, described seam sensor chuck 22 is fixedly mounted on the side of gauge head swing arm 14, seam glitch detection displacement transducer 21 and the seam gauge head 23 of beating is housed on described seam sensor chuck 22, the beat lower end of gauge head 23 of described seam is installed with seam and beats gauge head contact rod 24 in order to contact seam to transmit the seam displacement of beating, the described seam gauge head contact rod 24 of beating adopts gib screw to realize the fine setting of position,
As shown in Figure 4 and Figure 6, above-mentioned end face detection module 3 comprises face runout gauge head 31, end face sensor chuck 32, face runout detecting position displacement sensor 33, L shaped arm 34 and face runout gauge head contact rod 35, described L shaped arm 34 is fixedly mounted on the front end of gauge head swing arm 14, on described L shaped arm 34, end face sensor chuck 32 is installed, described face runout gauge head 31 and face runout detecting position displacement sensor 33 are installed on end face sensor chuck 32, face runout gauge head contact rod 35 is installed on described face runout gauge head 31 beats and is displaced in face runout detecting position displacement sensor 33 with transmission seam in order to contact seam, described face runout gauge head contact rod 35 adopts gib screw to realize the fine setting of position,
As shown in Figure 7, above-mentioned driver module 4 comprises driven wheel 41, motor 42, motor rack bearing 43, transmission minor axis 44, rotary encoder 45, bearing 46, electric machine support 47, motor jacking cylinder 48, bearing seat 49, transmission long axis 410 and driven wheel sleeve 411, described motor jacking cylinder 48 is three axle cylinders, be installed in motor rack bearing 43 upper side, on described motor rack bearing 43, electric machine support 47 is installed, described motor 42 is arranged on described electric machine support 47 lower ends, the output shaft of motor 42 is connected with driving major axis 410 by transmission minor axis 44, and on driving major axis 410, hollow rotary encoder 45 is installed, described driving major axis 410 is arranged on electric machine support 47 upper ends by bearing 46 and bearing seat 49, drive the upper end of major axis 410 to be connected with driven wheel sleeve 411, driven wheel sleeve 411 is used for installing the driven wheel 41 of Multiple Type,
Above-mentioned stand module 5 mainly comprises the frame 51 of framed structure, and above-mentioned other module is fixedly connected in frame 51 by various web members, and the outside of described frame 51 also has the shell of protection and beauty function.
As shown in Figure 8, the driven wheel 41 in above-mentioned driver module 4 with after symmetrical installation of drive bevel gear 93 in main reducing gear assembly 90, engage with driven hypoid gear 95 simultaneously so that driven hypoid gear 95 suffered respectively from the moment of driven wheel 41 and drive bevel gear 93 just mutually balance offset.
For driver module 4, because the present major part of main reducing gear assembly 90 all adopts the structural design of drive bevel gear 93 and driven hypoid gear 95, the features such as it is little that drive bevel gear 93 and driven hypoid gear 95 have contact stress, and ratio of gear is large, stable drive.In testing process, for energy smooth drive drive bevel gear 93 and flange 91, and do not damage the flank of tooth of driven hypoid gear 95, the driven wheel 41 of driver module 4 is selected the product with drive bevel gear 93 same models, can ensure that like this anglec of rotation of motor 42 and the anglec of rotation of flange 91 are consistent.Driven wheel 41 is fixed on motor 42 driven wheel sleeve 411 above, and replaceable installation, after the model of main reducing gear 41 is changed, as long as change the driven wheel 41 the same with drive bevel gear 93.Thereby driven wheel 41 drives drive bevel gear 93 by motor 42 driven rotary, and electric machine support 47 is fixed motor 42, when motor top is stretched cylinder 48 and stretched out, driven wheel 41 is engaged with driven hypoid gear 95.When drive bevel gear 41 and driven hypoid gear 95 engage, transmission be the gyration between two space crossed axis, crossed axis is 90 °, both Plane of rotations are orthogonal.In driver module 4, driven wheel 41 and drive bevel gear 93 symmetries are installed, what driven like this hypoid gear 95 was suffered just can mutual balance offset from the moment of driven wheel 41 and drive bevel gear 93 respectively, ensure the suffered wearing and tearing minimum of driven hypoid gear 95 flank of tooth in testing process, transmission is more steady.
In above-mentioned module of the present invention, those skilled in the art is to be appreciated that key point of the present invention is by the end that is set to flange 91 of displacement transducer activity and seam direction, thereby and can move the duty of simulating main reducing gear assembly 90 by the driving gear drives main reducing gear assembly 90 of driver module, realize fast automatic monitoring.Based on this design philosophy; above-mentioned detection installation module 1, seam monitoring modular 2, end face detection module 3, driver module 4 and stand module are except adopting above-mentioned concrete structure disclosed by the invention; can also adopt other known structure annexations, but all can not depart from substantive protection domain of the present invention.
In addition, because innovation of the present invention is mainly the architecture advances of above-mentioned each module, electric part (control module 6) can adopt conventional design, therefore control module 6 is not done to further expansion and describe, but this does not affect enforcement of the present invention.
Below in conjunction with accompanying drawing further instruction principle of work of the present invention: further illustrate the principle of work of describing this device: under the control unit controls able to programme that is positioned at regulator cubicle 61 the insides, gauge head cylinder 12 promotes gauge head swing arm 14 and moves, the contact rod of seam glitch detection displacement transducer 21 and the gauge head of the lower end of face runout detecting position displacement sensor 33 is contacted with seam with the end face of flange 91 respectively, and make displacement transducer produce change in displacement.Control unit controls motor 42 able to programme moves simultaneously, drive driven wheel 41 to engage the driven hypoid gear 95 of main reducing gear, thereby drive flange 91 to rotate, utilize rotary encoder 45 step-by-step countings, ensure that flange 91 rotates a circle above, in the process of rotating at flange 91, control able to programme unit reads the shift value of displacement sensor in real time, upgrades the face runout preserved in flange 91 rotary courses and seam beat both maximal values and the umber of pulse of corresponding moment rotary encoder 45.After flange 91 rotates a circle, motor 42 stops operating, just can obtain the maximal value of face runout amount and the maximal value of seam jerk value of whole flange 91, and rotary encoder 45 counted number of pulses when the face runout that obtains flange 91 is maximum and seam beats maximum, the angle that when further obtaining the maximum and seam of the face runout of flange 91 and beating maximum, flange 91 rotates, just can position maximum position.Testing result can be shown in real time and finally be judged whether jerk value meets Product quality and safety requirement by display unit, thereby judge that whether the quality of main reducing gear assembly is qualified.So just, the face runout amount of flange and the robotization comprehensive detection of seam jerk value of the rear-end gear reduction assembly to minicar and Light-duty Vehicle automobile have been realized.
Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not depart from essence of the present invention according to these technology enlightenments disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (4)
1. the pick-up unit of beating for main speed reducer of rear axle assembly flange, it is characterized in that, comprise and detect installation module (1), seam monitoring modular (2), end face detection module (3), driver module (4), stand module (5) and control module (6);
Described stand module (5) is in order to installation and measuring installation module (1), driver module (4) and control module (6);
Described detection installation module (1) is in order to install seam monitoring modular (2) and end face detection module (3), the fulcrum of described detection installation module (1) is hinged in stand module (5), one end is fixedly mounted in stand module (5), the other end is installed with seam monitoring modular (2) and end face detection module (3), under the motion of described detection installation module (1), drive seam monitoring modular (2) and end face detection module (3) to separate or contact with the flange (91) of detected main speed reducer of rear axle assembly, described detection installation module (1) comprises gauge head cylinder transfer ear (11), gauge head cylinder (12), gauge head arm support (13), gauge head swing arm (14), the first gauge head swing arm rotating shaft (15) and the second gauge head swing arm rotating shaft (16), described gauge head cylinder transfer ear (11) one end is fixedly mounted in stand module (5), the other end and gauge head cylinder (12) are hinged, the axle of described gauge head cylinder (12) is hinged with one end of gauge head swing arm (14) by the first gauge head swing arm rotating shaft (15), the middle part of described gauge head swing arm (14) by the second gauge head swing arm rotating shaft (16) with to be fixed on gauge head oscillating arm bracket (17) in stand module (5) hinged, the other end of described gauge head swing arm (14) is provided with seam monitoring modular (2) and end face detection module (3),
Described driver module (4) is fixedly mounted on stand module (5) above and is positioned at the below of detecting installation module (1), has comprised the driven wheel (41) in order to drive the work of main speed reducer of rear axle assembly and the drive motor in order to drive driven wheel (41) to move;
Described control module (6) is fixedly mounted in stand module (5) and moves in order to control installation module (1) and driver module (4), receives and analyze the detection data of seam monitoring modular (2) and end face detection module (3);
Driven wheel (41) in above-mentioned driver module (4) after installing with drive bevel gear (93) in main reducing gear assembly (90) is symmetrical, engage with driven hypoid gear (95) simultaneously so that driven hypoid gear (95) suffered respectively just can mutual balance counteracting from the moment of driven wheel (41) and drive bevel gear (93).
2. pick-up unit of beating for main speed reducer of rear axle assembly flange according to claim 1, it is characterized in that, above-mentioned seam monitoring modular (2) comprises seam glitch detection displacement transducer (21), seam sensor chuck (22) and the seam gauge head (23) of beating, described seam sensor chuck (22) is fixedly mounted on the side of gauge head swing arm (14), seam glitch detection displacement transducer (21) and the seam gauge head (23) of beating is housed on described seam sensor chuck (22), the beat lower end of gauge head (23) of described seam is installed with seam and beats gauge head contact rod (24) in order to contact seam to transmit the seam displacement of beating, described seam beat gauge head contact rod (24) adopt gib screw realize the fine setting of position.
3. pick-up unit of beating for main speed reducer of rear axle assembly flange according to claim 1, it is characterized in that, above-mentioned end face detection module (3) comprises face runout gauge head (31), end face sensor chuck (32), face runout detecting position displacement sensor (33), L shaped arm (34) and face runout gauge head contact rod (35), described L shaped arm (34) is fixedly mounted on the front end of gauge head swing arm (14), end face sensor chuck (32) is installed on described L shaped arm (34), described face runout gauge head (31) and face runout detecting position displacement sensor (33) are installed on end face sensor chuck (32), face runout gauge head contact rod (35) is installed on described face runout gauge head (31) beats and is displaced in face runout detecting position displacement sensor (33) with transmission seam in order to contact seam, described face runout gauge head contact rod (35) adopts gib screw to realize the fine setting of position.
4. pick-up unit of beating for main speed reducer of rear axle assembly flange according to claim 1, it is characterized in that, above-mentioned driver module (4) comprises driven wheel (41), motor (42), motor rack bearing (43), transmission minor axis (44), rotary encoder (45), bearing (46), electric machine support (47), motor jacking cylinder (48), bearing seat (49), transmission long axis (410) and driven wheel sleeve (411), described motor jacking cylinder (48) is installed in motor rack bearing (43) upper side, on described motor rack bearing (43), electric machine support (47) is installed, described motor (42) is arranged on described electric machine support (47) lower end, the output shaft of motor (42) is connected with driving major axis (410) by transmission minor axis (44), and on driving major axis (410), hollow rotary encoder (45) is installed, described driving major axis (410) is arranged on electric machine support (47) upper end by bearing (46) and bearing seat (49), drive the upper end of major axis (410) to be connected with driven wheel sleeve (411), driven wheel sleeve (411) is used for installing the driven wheel (41) of Multiple Type.
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CN201210091787.8A CN102607485B (en) | 2012-03-31 | 2012-03-31 | Device for detecting run-out of flange of automobile rear axle main reducing gear component |
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CN201210091787.8A CN102607485B (en) | 2012-03-31 | 2012-03-31 | Device for detecting run-out of flange of automobile rear axle main reducing gear component |
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CN102607485B true CN102607485B (en) | 2014-07-16 |
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CN201210091787.8A Expired - Fee Related CN102607485B (en) | 2012-03-31 | 2012-03-31 | Device for detecting run-out of flange of automobile rear axle main reducing gear component |
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Families Citing this family (4)
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CN103673955B (en) * | 2013-12-13 | 2016-03-30 | 安徽巨一自动化装备有限公司 | Be applied in automobile main reducer to attach together cover expansion on line and measure measuring mechanism |
CN106644270B (en) * | 2015-10-28 | 2019-02-01 | 长城汽车股份有限公司 | The dynamic balancing detection device of main gearbox assembly |
CN111272122B (en) * | 2020-03-27 | 2021-08-31 | 厦门大学 | Comprehensive measurement system and measurement method for bearing seat of rear axle differential of tractor |
CN113988587A (en) * | 2021-10-26 | 2022-01-28 | 威海天润智能科技有限公司 | Crankshaft detection device and method and electronic equipment |
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