CN102305706B - Working condition experimental device of automotive front driving shaft - Google Patents

Working condition experimental device of automotive front driving shaft Download PDF

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Publication number
CN102305706B
CN102305706B CN 201110207576 CN201110207576A CN102305706B CN 102305706 B CN102305706 B CN 102305706B CN 201110207576 CN201110207576 CN 201110207576 CN 201110207576 A CN201110207576 A CN 201110207576A CN 102305706 B CN102305706 B CN 102305706B
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pedestal
fixed
working condition
wheelbase
experimental device
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CN102305706A (en
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康猛
左树东
周青宝
李岩
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Endurance Drive System (wuhu) Co Ltd
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Endurance Drive System (wuhu) Co Ltd
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Abstract

The invention discloses a working condition experimental device of an automotive front driving shaft. The working condition experimental device comprises a drive system, a resistance system, a base and a friction block, wherein the drive system comprises a drive device and a spline connection end connecting the drive device with the mounting end of a drive semi-shaft inner ball cage; and the resistance system is fixed on the base and is provided with a first spline connection end connected with the mounting end of the drive semi-shaft outer ball cage, and the friction block is contacted with a spindle of a second spline connection end. A model automobile eight-shaped curve road experiment of the device can be used for effectively detecting whether the problems of quality and design exist in the semi-shaft; and the whole device is simple in structure, convenient in assembly and fast and efficient in checking process, quality and efficiency of check on the drive semi-shaft are improved, and checking cost and working intensity and difficulty of checking operation are reduced.

Description

A kind of Working condition experimental device of automotive front driving shaft
Technical field
The present invention relates to the experimental provision of automobile front drive moving axis; In particular, the experimental provision that relates to the drive axle operating mode of simulation " 8 " word bend road experiment.
Background technology
The car drive axle is the safety component on the car, if there is serious quality problems, the serious consequence that may cause car crash, for avoiding producing the yield and quality defective, in semiaxis design, manufacture process, must carry out preventative checking to the quality of semiaxis, find in advance the hidden danger of quality that semiaxis exists in design or manufacture process, reduce the risk that brings the ultimate consumer, so need testing machine of design, whether exist mass defect to verify in design, manufacturing and the assembling process to semiaxis, pinpoint the problems and in time change, risk is dropped to minimum; Simultaneously, also can return the makers' driving shaft of semiaxis to main engine plants and carry out recurrence of failure, so that better find out the root of quality problems, thus faster, solve quality problems easily.
The inspection machine that does not have at present specialty for the experiment of front wheel driving semiaxis, normally semiaxis is assembled to and carries out the test of " 8 " word bend road on the automobile, it can detect drive axle in the various normal working conditions that reach semiaxis under the ultimate limit state, design verification to semiaxis, make, the quality problems that may exist in the assembling process have played prevention effect, when but the semiaxis after the assembling carries out the test of " 8 " word bend road, if the quality problems that semiaxis exists, can only open and inspect by original method, analyze, make a determination after the discussion, not only efficient is low, to analyzing employee's workmanship, experience requires high, but also can only accomplish to process afterwards, correct, can not accomplish to prevent in advance, the effects such as checking can bring the consequences such as more trouble and quality improvement hysteresis to the axle production merchant.
Summary of the invention
Technical matters to be solved by this invention is to realize a kind of operating mode inspection machine of automobile front drive moving axis, can effectively reflect the problem that driving shaft exists when design.
To achieve these goals, the technical solution used in the present invention is: a kind of Working condition experimental device of automotive front driving shaft, comprise drive system, resistance system and pedestal, described drive system comprises driving arrangement and the first spline joint end that is connected driving arrangement and jack shaft internal spherical cage installation end, described resistance system is fixed on the pedestal, and resistance system is provided with the second spline joint end that is connected with jack shaft external ball cage installation end, and the friction block that contacts with the second spline joint end rotating shaft.
Described pedestal comprises vertical adjustment pedestal, rotating disk, horizontal base, the wheelbase pedestal, described wheelbase pedestal is fixed in by on the extended wheelbase guide rail in drive system place, and the wheelbase pedestal is provided with the horizontal guide rail vertical with the wheelbase guide rail, described horizontal base is fixed on the horizontal guide rail, described rotating disk is fixed on the horizontal base by the bearing pin at center, described vertical adjustment pedestal comprises fixed part, sliding part and locking device, described fixed part is fixed on the horizontal base and vertically is provided with guide rail, described sliding part is provided with the chute that matches with the fixed part guide rail, and described resistance system is fixed on the sliding part.
Described rotating disk is provided with the central angle scale of arc, and when vertical adjustment pedestal, center of turntable, drive system point-blank the time, the point that the central angle scale is crossed this straight line is 0 °, and increases progressively to the both sides angle index.
Be equipped with on described rotating disk, horizontal base, the wheelbase pedestal for fixing locking device.
Described rotating disk is provided with the swivelling chute of arc, is inserted with Rolling disc lock in the described swivelling chute and extremely installs, and the one end is provided with external thread and passes in the screw that swivelling chute is fixed in horizontal base, and the other end is provided with rotating handles, and described handle end external diameter is greater than the swivelling chute width.
Described driving arrangement comprises motor, the shaft coupling of the speed reduction unit that is connected with circuit and connection reducer and the first spline joint end.
Described resistance system comprises cylinder, the second spline joint end and friction block, and described cylinder piston push rod one end is connected with friction block, and the rotating shaft that described friction block clamping is connected with the second spline joint end is also exerted pressure to this rotating shaft.
This experimental provision is arranged on the testing table, and described testing table is provided with control panel, and the control module of described control panel is connected with cylinder with motor.
The invention has the advantages that this installs the experiment of exemplary automobile " 8 " word detour, can effectively detect semiaxis and whether have quality, design problem, come out in the various quality problems hidden danger that car exists in order to design and the semiaxis that instructs semiaxis, in order to reach the root of looking for more quickly the semiaxis hidden danger of quality in semiaxis design early detection design defect.And it is simple, easy to assembly to test whole apparatus structure, and the checkout procedure quickness and high efficiency has improved quality inspection and efficient to jack shaft, has reduced inspection cost and reviewer's working strength and difficulty.
Description of drawings
The below is briefly described the content of every width of cloth accompanying drawing expression in the instructions of the present invention and the mark among the figure:
Fig. 1 is the experimental provision structural representation;
Fig. 2 is experimental provision vertical view shown in Figure 1;
Fig. 3 is the drive axle drive unit of experimental provision shown in Figure 1;
Fig. 4 is the drive axle drag devices of experimental provision shown in Figure 1;
Fig. 5 is the locked system of the pedestal of experimental provision shown in Figure 1;
Mark among the above-mentioned figure is: 1, motor; 2, speed reduction unit; 3, shaft coupling; 4, the first spline joint end; 5, jack shaft; 6, the second spline joint end; 7, vertically adjust pedestal; 8, friction block; 9, cylinder; 10, rotating disk; 11, horizontal base; 12, wheelbase pedestal; 13, wheelbase guide rail; 14, horizontal base locking device; 15, wheelbase pedestal locking device; 16, rotating disk locking device; 17, swivelling chute.
Embodiment
Referring to Fig. 1,2 as can be known, this experimental provision is the device of simulated automotive on the installation test platform " 8 " word detour experiment, mainly formed by drive system, resistance system and pedestal, wherein drive system and pedestal are arranged on the two ends of testing table, resistance system is fixed on the pedestal, moving semiaxis 5 one ends of automobile front drive are fixed on the drive system during check, and the other end is fixed on the resistance system.Specifically, referring to Fig. 3, drive system comprises motor 1, speed reduction unit 2, shaft coupling 3 and the first spline joint end 4, reductor 2 one ends are connected the other end and are connected with the first spline joint end 4 by shaft coupling with motor 1, the first spline joint end 4 is the connectivity port that similar umbrella tooth female spline connects, be used for being connected with the internal spherical cage installation end of jack shaft 5, thereby the assembling mode of imitating automobile differential and semiaxis fully provides rotary power for jack shaft 5.Referring to Fig. 4, resistance system mainly comprises cylinder 9, the second spline joint end 6 and friction block 8, the second spline joint end 6 is similar wheel hub female spline connectivity port, be used for being connected with the external ball cage installation end of jack shaft 5, thereby imitate the assembling mode of automotive wheel wheel hub and semiaxis fully, guaranteed the consistance with the automobile installation, the second spline joint end 6 is provided with friction block 8 around the inner rotating shaft of extending of resistance system, this friction block 8 is connected with cylinder 9 piston mandrils, order about this rotating shaft of friction block 8 clampings by cylinder 9 output pressures, thereby the resistance that produces owing to tare or other reason in imitation vehicle start or the driving process is with the working condition of checking semiaxis under loading condition.The reductor output torque is 97N.m in these parts, and the bleed pressure of cylinder 9 is 0.7MPa, and cylinder is exerted oneself and is that 860KG, frictional resistance are 8600x0.2=1720N.Also be provided with a control panel that cylinder 9 and motor 1 are controlled on testing table, the control module of this panel is connected with cylinder with motor 1 respectively and is connected.The power switch that useful key starts on the control panel is connected source of the gas, presses to start by switch, and device just comes into operation, and control panel also is provided with the emergency stop button, and when device occurs when unusual, stop device work or automatically quit work can push button.
Pedestal is for the adjustment of 4 degree of freedom that resistance system is provided, the situation such as analog-driven semiaxis 5 is assembled to rear steering on the automobile, jolt, the versatility of while intensifier, make the jack shaft 5 of experimental provision experiment different model, 4 degree of freedom comprise the spacing adjustment of resistance system and drive system, the horizontal adjustment of resistance system, the height control of resistance system, and simulation turn to horizontally rotate the calibration adjustment.
Pedestal comprises vertical adjustment pedestal 7 specifically, rotating disk 10, horizontal base 11 and wheelbase pedestal 12, between drive system and pedestal, be provided with two parallel wheelbase guide rails 13, the place stretches out by drive system, also be marked with distance scale on the wheelbase guide rail 13, thereby the spacing of the drive system of identifying and resistance system, the wheelbase pedestal 12 of pedestal is provided with the chute that matches with wheelbase guide rail 13 and is positioned on the wheelbase guide rail 13, thereby can adjust the resistance system that is installed on the pedestal and the spacing of drive system, to adapt to different automobile types, the length of the jack shaft 5 of different model.Wheelbase pedestal 12 is provided with wheelbase pedestal locking device 15, referring to Fig. 5 as can be known, wheelbase pedestal locking device 15 is a straight-bar, one end is handle, one end vertically is provided with one locked, locked outer end contacts or does not contact with moving up and down with the testing table desktop of handle end downwards, be articulated on the thrust of wheelbase pedestal 12 in the middle of this straight-bar, this hinged place also is provided with a connecting rod towards handle one side, the connecting rod two ends are hinged with thrust and straight-bar respectively, the material that locked employing and testing table desktop friction factor are large.Adjust wheelbase pedestal 12 behind the position on the distance guide rail 13, depress the straight-bar handle end of wheelbase pedestal locking device 15, make locked to fit tightly with the testing table desktop, then can reach the effect of locked wheelbase pedestal 12, when readjusting, lift again the straight-bar handle end and get final product.
Be horizontally disposed with the horizontal guide rail vertical with wheelbase guide rail 13 on the wheelbase pedestal 12, horizontal base 11 is provided with the chute and the horizontal base 11 that match with horizontal guide rail and is fixed in wheelbase pedestal 12, horizontal base 11 is along the horizontal guide rail transverse movement, realize the horizontal adjustment of resistance system, imitation automobile axle shaft installation site, the projection of installation site on surface level of external ball cage there are differences in the different automobile types, therefore the testing machine worktable is laterally adjusted the needs that satisfied different automobile types.Horizontal base 11 is provided with horizontal base locking device 14, and the structure of this locking device is identical with wheelbase pedestal locking device 15, by and the testing table desktop between horizontal friction force fixed pedestal.
Rotating disk 10 is circular, its home position is fixed on the horizontal base 11 by the bearing pin at center, so that rotating disk 10 can 360 ° of rotations on horizontal base 11, the vertical pedestal 7 of adjusting is fixed on the horizontal base 11, generally be fixed on the position between bearing pin and horizontal base 11 edges, the rotation of horizontal base 11 just can realize simulating turn to horizontally rotate the calibration adjustment, be provided with the central angle scale of arc at the marginal position of rotating disk 10, when vertical adjustment pedestal 7, rotating disk 10 central pin shaft, drive system is point-blank the time, it is the axis of whole device, the point that the central angle scale is crossed this axis is labeled as 0 °, and increase progressively to the both sides angle index, general both sides respectively extend to 45 ° and get final product, be provided with a pointer that extends upwardly to horizontal base 11 surfaces at horizontal base 11 towards a side center of drive system, thereby indicate accurately the number of degrees of rotating disk 10 rotations, the inboard of central angle scale is provided with the swivelling chute 17 of arc on rotating disk 10, in this swivelling chute 17, be inserted with the dead device 16 of Rolling disc lock, one end of rotating disk locking device 16 is external thread and passes in the screw that swivelling chute 17 is fixed in horizontal base 11, the other end is provided with rotating handles, described handle end external diameter is greater than swivelling chute 17 width, tighten rotating disk locking device 16 just that swivelling chute 17 is stuck, thereby fixedly rotating disk 10 motions, unclamp 16 capable of regulating rotating disk 10 modulations of rotating disk locking device to the needs number of degrees, during Plant arrangement, 0 ° of position of central angle scale and the line of vertical adjustment pedestal 7 centers are crossed the center of circle of rotating disk 10, common left rotation and right rotation to 40 ° position during experiment, the state that the simulation bearing circle is killed.
The vertical pedestal 7 of adjusting comprises fixed part, sliding part and locking device, wherein fixed part is fixed on the horizontal base 11, sliding part is fixed on the fixed part and can slides along the fixed part in the vertical direction, resistance system is to be fixed in sliding part, thereby the adjustment resistance system on the vertical direction, the state of imitation automotive wheel semiaxis when jolting road conditions.Be provided with guide rail on the fixed part, be provided with chute with matching on the sliding part, thereby the vertical slip of implement device is provided with locking device between fixed part and sliding part, the structure of this device can be similar to rotating disk locking device 16.
In sum, pedestal with adjustment of 4 degree of freedom, pivot angle after being assembled to jack shaft 5 on the vehicle on various roughness pavements, a left side or right front wheel bob state, horizontal direction, the spatial movement on the vertical direction, whether and the various ultimate limit states of above-mentioned situation combination clearly are presented on the testing table, thereby check out such as abnormal sound, shake, whether reasonable, the interior outer end of centre distance gum cover with axostylus axostyle efficiently or interference etc. phenomenon is arranged self.

Claims (7)

1. Working condition experimental device of automotive front driving shaft, it is characterized in that: comprise drive system, resistance system and pedestal, described drive system comprises driving arrangement and the first spline joint end (4) that is connected driving arrangement and jack shaft (5) internal spherical cage installation end, described resistance system is fixed on the pedestal, and resistance system is provided with the second spline joint end (6) that is connected with jack shaft (5) external ball cage installation end, and the friction block (8) that contacts with the second spline joint end (6) rotating shaft;
Described pedestal comprises vertical adjustment pedestal (7), rotating disk (10), horizontal base (11), wheelbase pedestal (12), described wheelbase pedestal (12) is fixed in by on the extended wheelbase guide rail in drive system place (13), and wheelbase pedestal (12) is provided with the horizontal guide rail vertical with wheelbase guide rail (13), described horizontal base (11) is fixed on the horizontal guide rail, described rotating disk (10) is fixed on the horizontal base (11) by the bearing pin at center, described vertical adjustment pedestal (7) comprises fixed part, sliding part and locking device, described fixed part is fixed in horizontal base (11) upward and vertically is provided with guide rail, described sliding part is provided with the chute that matches with the fixed part guide rail, and described resistance system is fixed on the sliding part.
2. Working condition experimental device of automotive front driving shaft according to claim 1, it is characterized in that: described rotating disk (10) is provided with the central angle scale of arc, when vertical adjustment pedestal (7), rotating disk (10) center, drive system point-blank the time, the point that the central angle scale is crossed this straight line is 0 °, and increases progressively to the both sides angle index.
3. Working condition experimental device of automotive front driving shaft according to claim 1 is characterized in that: be equipped with on described rotating disk (10), horizontal base (11), the wheelbase pedestal (12) for fixing locking device.
4. according to claim 2 or 3 described Working condition experimental device of automotive front driving shafts, it is characterized in that: described rotating disk (10) is provided with the swivelling chute (17) of arc, be inserted with Rolling disc lock in the described swivelling chute (17) and extremely install (16), the one end is provided with external thread and passes swivelling chute (17) and is fixed in the screw of horizontal base (11), the other end is provided with rotating handles, and described handle end external diameter is greater than swivelling chute (17) width.
5. Working condition experimental device of automotive front driving shaft according to claim 1, it is characterized in that: described driving arrangement comprises motor (1), the shaft coupling (3) of the speed reduction unit that is connected with circuit (2) and connection reducer (2) and the first spline joint end (4).
6. Working condition experimental device of automotive front driving shaft according to claim 1, it is characterized in that: described resistance system comprises cylinder (9), the second spline joint end (6) and friction block (8), described cylinder (9) piston mandril one end is connected with friction block (8), and the rotating shaft that described friction block (8) clamping is connected with the second spline joint end (6) is also exerted pressure to this rotating shaft.
7. Working condition experimental device of automotive front driving shaft according to claim 5, it is characterized in that: this experimental provision is arranged on the testing table, described testing table is provided with control panel, and the control module of described control panel is connected 9 with motor (1) with cylinder) be connected.
CN 201110207576 2011-07-22 2011-07-22 Working condition experimental device of automotive front driving shaft Active CN102305706B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622073Y (en) * 2003-06-11 2004-06-30 建设工业(集团)有限责任公司技术中心 Multi-direction front driving shaft device
JP2004294327A (en) * 2003-03-27 2004-10-21 Toyota Motor Corp Power train type testing equipment and testing process thereof
JP2010217122A (en) * 2009-03-19 2010-09-30 Meidensha Corp Testing device for transmission
CN101936810A (en) * 2010-08-02 2011-01-05 沈机集团昆明机床股份有限公司 Comprehensive test experiment device for dynamic and static properties of rolling bearing-main shaft system
CN201724813U (en) * 2010-07-01 2011-01-26 奇瑞汽车股份有限公司 Static torsional test bed for driving shaft
CN101995333A (en) * 2009-08-25 2011-03-30 上海诚测电子科技发展有限公司 Method for testing key performance of drive shaft assembly of constant velocity universal joint
CN202221370U (en) * 2011-07-22 2012-05-16 耐世特凌云驱动系统(芜湖)有限公司 Experimental device of automobile front driving shaft working condition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004294327A (en) * 2003-03-27 2004-10-21 Toyota Motor Corp Power train type testing equipment and testing process thereof
CN2622073Y (en) * 2003-06-11 2004-06-30 建设工业(集团)有限责任公司技术中心 Multi-direction front driving shaft device
JP2010217122A (en) * 2009-03-19 2010-09-30 Meidensha Corp Testing device for transmission
CN101995333A (en) * 2009-08-25 2011-03-30 上海诚测电子科技发展有限公司 Method for testing key performance of drive shaft assembly of constant velocity universal joint
CN201724813U (en) * 2010-07-01 2011-01-26 奇瑞汽车股份有限公司 Static torsional test bed for driving shaft
CN101936810A (en) * 2010-08-02 2011-01-05 沈机集团昆明机床股份有限公司 Comprehensive test experiment device for dynamic and static properties of rolling bearing-main shaft system
CN202221370U (en) * 2011-07-22 2012-05-16 耐世特凌云驱动系统(芜湖)有限公司 Experimental device of automobile front driving shaft working condition

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