CN107328576A - Automobile drive axle driven wheel of differential tooth root ambulatory stress test equipment and manufacture method - Google Patents
Automobile drive axle driven wheel of differential tooth root ambulatory stress test equipment and manufacture method Download PDFInfo
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- CN107328576A CN107328576A CN201710724303.1A CN201710724303A CN107328576A CN 107328576 A CN107328576 A CN 107328576A CN 201710724303 A CN201710724303 A CN 201710724303A CN 107328576 A CN107328576 A CN 107328576A
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- differential mechanism
- axle housing
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 63
- 230000009466 transformation Effects 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 239000011888 foil Substances 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 210000003660 reticulum Anatomy 0.000 description 30
- 239000012530 fluid Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009662 stress testing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000001226 toe joint Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
Abstract
The invention provides a kind of automobile drive axle driven wheel of differential tooth root ambulatory stress test device and manufacture method.Wherein, automobile drive axle driven wheel of differential tooth root ambulatory stress test device of the present invention can during driving axis bench test testing gears Dedenda's bending stress, drive axle rotating speed, load and lubricating status can simulate real vehicle operating mode；And the test device is carried out data transmission using wireless transmission method instead of traditional slip ring, it is to avoid slip ring noise error, measuring accuracy is improved；This test device makes bonnet convenient disassembly by changing a social system axle housing, and secondary connection can be achieved, solves the problem of single bench test is difficult to test multigroup strain signal, greatly improves testing efficiency.
Description
Technical field
The present invention relates to a kind of auto parts and components stress test equipment and manufacture method, particularly a kind of drive axle is from mantle
Gear Root ambulatory stress test equipment and manufacture method.
Background technology
Because automobile drive axle driven wheel of differential bottom clearance is smaller, while drive axle internal structure complicated difficult is to connect up,
Currently for the stress test of Gear Root, operating mode unlubricated when static state or slow pinion rotation is concentrated mainly on, with real vehicle
Operating mode deviates larger；The research of tooth root dynamic stress when being rotated for high-speed gear, predominantly stay in computer simulation, emulation
Stage.Therefore, it is badly in need of a kind of drive axle driven wheel of differential tooth root dynamic stress testing method, the feelings that can be rotated in high-speed gear
Under condition, the stress level of testing gears tooth root, to meet the research of driving bridge reliability.
Patent document《Speed changer and the strain testing method of Driven Gear of Final Reduction Gear bench test》(publication number：
CN102128607A, publication date：Strain testing method disclosed in 2011-07-20) has close part with the present invention, but described in it
The cabling mode of data line can not meet the requirement of drive axle driven wheel of differential tooth root ambulatory stress test.In addition, this is special
Profit does not make seal request to tested assembly, unlubricated when causing gear operation, it is impossible to simulate real vehicle operating mode and carry out high-speed rotation.
The content of the invention
The embodiments of the invention technical problem to be solved is to provide a kind of automobile drive axle driven wheel of differential tooth root dynamic
Stress test device and manufacture method, solve prior art can not when drive axle driven wheel of differential runs at high speed testing gears
The problem of root stress.
The technical solution adopted by the present invention is：
One aspect of the present invention provides a kind of automobile drive axle driven wheel of differential tooth root ambulatory stress test device, including bridge
Shell, the axle housing includes bridge bag, axle housing bonnet and the spindle nose positioned at two ends positioned at middle part, the axle housing bonnet and the bridge
Bag, which is connected and covered, is mounted with speed reducer assembly in the bridge bag, the bridge bag, the speed reducer assembly includes real according to vehicle
The differential mechanism left bearing of border arrangement relation connection, differential mechanism left bearing lid, differential mechanism left housing, driven wheel of differential, differential right casing,
Differential mechanism right bearing, differential mechanism right bearing lid, cross axle, planetary gear, axle shaft gear, the end of the spindle nose are provided with wheel hub,
The wheel hub is supported on the end of the spindle nose by wheel hub outer bearing and hub inner bearing, wherein, the axle housing bonnet
The bridge is detachably connected to wrap；It is recessed that first is formed with the position that the axle housing is connected with the axle housing bonnet
Groove；The differential mechanism left housing is formed with the second groove with the differential mechanism left bearing at engagement journal；The side of the semiaxis
It is connected with the wheel hub, opposite side is connected with the speed reducer assembly, including left half axle and right axle shaft, wherein, the left half axle
End flange in axial direction offer a through hole, and be provided with signal projector on the end face of end flange；It is described from
Dynamic bevel gear includes being provided with binding post, the wheel in the multiple gear teeth of matrix and formation on the matrix, described matrix
Tooth is evenly arranged with multiple foil gauges along tooth length direction, and the foil gauge is connected with the binding post；The signal projector
Directly it is connected with the binding post by data connecting line, described data connecting line one end is connected with the signal projector,
The other end is extended through first groove along the surface of the left half axle and connected with the binding post by the through hole
Connect.
Alternatively, the axle housing bonnet is connected by attachment structure with the bridge bag；The attachment structure includes first
Backing plate and the second backing plate, first backing plate are fixedly connected with the bridge bag, and are formed with and are adapted with first groove
The second groove, second backing plate is fixedly connected with the axle housing bonnet, and first backing plate and second backing plate pass through
Bolt connection.
Alternatively, first backing plate is identical with second backing structure；The foil gauge is arranged on the gear teeth
At the position of intersecting point of dangerouse cross-section and tooth root.
Alternatively, the dangerouse cross-section of the gear teeth is obtained by 30 ° of tangential methods；The signal projector is arranged on the method
The center of blue side surface.
Alternatively, first groove is rectangular channel, and second groove is formed by finger cutter.
Another aspect of the present invention provides a kind of manufacture of automobile drive axle driven wheel of differential tooth root ambulatory stress test device
Method, the foregoing test device for manufacturing, including drive axle parts method for remanufacturing and strain gauge adhesion and Wiring method；Institute
Stating drive axle parts method for remanufacturing includes axle housing transformation of the way step, differential mechanism left housing transformation of the way step and left half axle transformation of the way step, institute
Stating axle housing transformation of the way step includes cutting the axle housing bonnet along the welding position with axle housing, after the axle housing and the axle housing
Cover at the position being connected and open up the first groove；The differential mechanism left housing transformation of the way step is included in the differential mechanism left housing and described
The second groove is opened up at the engagement journal of differential mechanism left bearing；The left half axle transformation of the way step is included in the outer end of the left half axle
A through hole is in axial direction opened up on flange；The strain gauge adhesion and Wiring method include：
The dangerouse cross-section of the gear teeth of the driven wheel of differential is found out using presetting method, and strain gauge adhesion is being found
Dangerouse cross-section and tooth root position of intersecting point at；By differential mechanism left bearing, differential mechanism left bearing lid, differential mechanism left housing, from mantle
Gear, differential right casing, differential mechanism right bearing, differential mechanism right bearing lid, cross axle, planetary gear, axle shaft gear are real according to vehicle
Border arrangement relation is assembled to form speed reducer assembly, and speed reducer assembly is assembled to the bridge bag of axle housing；And by outside wheel hub, wheel hub
Bearing, hub inner bearing and wheel other parts of side are assembled to the spindle nose position of axle housing according to vehicle actual arrangement relation；Will letter
Number transmitter is pasted onto at the end face center position of the end flange of the left half axle, one end of data line is connected described
Signal projector, the other end extends to the right-hand member of the left half axle along the axial wall plane of the left half axle through the through hole, and
Beyond the right-hand member predetermined length of the left half axle；And assembled the left half axle according to vehicle actual arrangement relation；By position
It is connected in the data line of the right-hand member of the left half axle through first groove with the binding post；By the axle housing
Bonnet is fixed on the axle housing, to cover the bridge bag.
Alternatively, the axle housing transformation of the way step also includes：The first backing plate and the second backing plate are processed, and in first backing plate
On open up the 3rd groove being adapted with first groove so that first groove and the 3rd groove cooperatively form one
Opening portion；Wherein, first backing plate is connected with the bridge bag, and second backing plate is connected with the axle housing bonnet, and institute
Axle housing bonnet is stated removably to be combined together with the axle housing by first backing plate and second backing plate.
Alternatively, first backing plate is identical with second backing structure；The dangerouse cross-section of the gear teeth is cut by 30 °
Collimation method is obtained.
Alternatively, first groove is rectangular channel, and second groove is formed by finger cutter.
Alternatively, the data line is pasted onto and described driven by the differential mechanism left housing by second groove
Insulation processing is carried out on bevel gear and to the data line.
The automobile drive axle driven wheel of differential tooth root ambulatory stress test device that the present invention is provided can be in driving axis platform
Testing gears Dedenda's bending stress in frame process of the test, drive axle rotating speed, load and lubricating status can simulate real vehicle operating mode；And
And the test device is carried out data transmission using wireless transmission method instead of traditional slip ring, it is to avoid slip ring noise error, carry
High measuring accuracy；This test device makes bonnet convenient disassembly by changing a social system axle housing, and secondary connection can be achieved, single platform is solved
The problem of frame experiment is difficult to test multigroup strain signal, greatly improve testing efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the automobile drive axle driven wheel of differential root ambulatory stress test device of the present invention；
Fig. 2 show the foil gauge Wiring method schematic diagram that the present invention is used；
Fig. 3 show the strain gauge adhesion position view that the present invention is used.
(description of reference numerals)：
1. signal projector, 2. left half axles, 3. wheel hubs, 4. axle housings, 5. first backing plates,
6. differential mechanism left bearing, 7. differential mechanism left bearing lids, 8. differential mechanism left housings, 9. driven wheels of differential,
10. binding post, 11. differential right casings, 12. differential mechanism right bearings, 13. differential mechanism right bearing lids,
14. speed reducer assembly, 15. second backing plates, 16. axle housing bonnets, 17. wheel hub outer bearings,
18. hub inner bearing, 19. foil gauges, 20. cross axles, 21. planetary gears, 22. axle shaft gears；
I, circular holes, II the first grooves of, III the second grooves of, IV, dangerouse cross-sections.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Fig. 1 is the structural representation of the automobile drive axle driven wheel of differential root ambulatory stress test device of the present invention；Fig. 2 institutes
It is shown as the foil gauge Wiring method schematic diagram that the present invention is used；Fig. 3 show the strain gauge adhesion position signal that the present invention is used
Figure.
A purpose of the invention is that offer is a kind of and automobile drive axle driven wheel of differential tooth root dynamic stress is tested
Method, the method for testing obtained by being changed a social system to existing automobile drive axle be adapted to driven wheel of differential tooth root dynamic
The device that stress is tested.
The automobile drive axle changed a social system of the present invention can be existing structure, including axle housing 4, as shown in figure 1, the axle housing bag
Bridge bag, axle housing bonnet 16 and the spindle nose positioned at two ends positioned at middle part are included, the axle housing bonnet is connected and covered with the bridge bag
Speed reducer assembly 14 is mounted with the bridge bag, the bridge bag, the speed reducer assembly is included according to vehicle actual arrangement relation
Differential mechanism left bearing 6, differential mechanism left bearing lid 7, differential mechanism left housing 8, driven wheel of differential 9, differential right casing 11, the differential of connection
Device right bearing 12, differential mechanism right bearing lid 13, cross axle 20, planetary gear 21, axle shaft gear 22, the end of the spindle nose is provided with
Wheel hub 3, the wheel hub 3 is supported on the end of the spindle nose by wheel hub outer bearing and hub inner bearing.Speed reducer assembly
Annexation between 14 concrete structure and concrete structure is the knowledge of this area, avoids repeating herein, omission pair
They are discussed in detail.
Automobile drive axle driven wheel of differential root dynamic stress testing method provided in an embodiment of the present invention may include drive axle
Parts method for remanufacturing and strain gauge adhesion and Wiring method.Wherein, the drive axle parts method for remanufacturing may include axle housing
Change a social system step, differential mechanism left housing transformation of the way step and left half axle transformation of the way step.
Specifically, as shown in figure 1, axle housing transformation of the way step is included the axle housing bonnet along the welding position with axle housing
Cut, the first groove II is opened up at the position that the axle housing is connected with the axle housing bonnet, can be rectangular channel.In addition, institute
Stating axle housing transformation of the way step also includes：The first backing plate 15 and the second backing plate 5 are processed, and is opened up and described on first backing plate
The 3rd groove that one groove is adapted so that first groove and the 3rd groove cooperatively form an opening portion；Wherein, institute
State the first backing plate 15 to be connected with bridge bag, be specifically welded to connect with incision site, second backing plate 5 connects with the axle housing bonnet
Connect, specifically can be by being welded together, and the axle housing bonnet is by first backing plate and second backing plate
Removably it is combined together with the axle housing.In practical operation, thickness, hole size, the outer profile size of two backing plates can
All same, processes four tapped through holes, the first backing plate 15 processes four through holes in relevant position, so by bridge in the second backing plate 5
Shell bonnet is detachably connected to bridge and wrapped.Differential mechanism left housing transformation of the way step may include in the differential mechanism left housing and described
The second groove III is opened up at the engagement journal of differential mechanism left bearing, second groove can be bar-shaped trough, can pass through finger cutter shape
Into；The left half axle transformation of the way step, which is included in the end flange of the left half axle 2, in axial direction opens up a through hole I.
The strain gauge adhesion and Wiring method may include following steps：
Step 1: find out the dangerouse cross-section of the gear teeth of the driven wheel of differential using presetting method, and by strain gauge adhesion
At position of intersecting point of the dangerouse cross-section IV found with tooth root.In the example of the present invention, as shown in figure 1, can apply
30 ° of tangential methods find out the gear teeth dangerouse cross-section IV of driven wheel of differential 9, and foil gauge 19 is pasted onto into dangerouse cross-section IV and tooth root intersection point
Position, each gear teeth along the uniform some foil gauges of tooth length direction ensure that during gear engagement foil gauge, foil gauge will not be damaged to
Number and structure be not particularly limited, in one example, can each gear teeth along tooth length direction paste 4 foil gauges.
In addition, foil gauge lead is connected into binding post 10, lead and binding post firm pasting along driven wheel of differential tooth root, and do
Good insulation, anti-oil processing, binding post 10 are arranged on the non-toothed part of driven wheel of differential point.
Step 2: by differential mechanism left bearing 6, differential mechanism left bearing lid 7, differential mechanism left housing 8, driven wheel of differential 9, differential mechanism
The parts such as right shell 11, differential mechanism right bearing 12, differential mechanism right bearing lid 13, cross axle 20, planetary gear 21, axle shaft gear 22 are pressed
Speed reducer assembly 14 is assembled into according to vehicle actual arrangement relation, then speed reducer assembly 14 is assembled on axle housing 4, specially bridge
Bao Zhong, it should be noted that mating surface need to smear fluid sealant.In addition, by wheel hub 3, wheel hub outer bearing 17, hub inner bearing 18 and
Wheel other parts of side are assembled to the spindle nose position of axle housing 4 according to vehicle actual arrangement relation, and carry out encapsulation process.
Step 3: with reference to 2, signal projector 1 to be pasted onto to the end face center position of the end flange of the left half axle 2
Place, makes one end of data line connect the signal projector 1, the other end is through the through hole along the left half axle 2
Axial wall plane extends to the right-hand member of the left half axle, and beyond the right-hand member predetermined length of the left half axle.So, additional data
Transmission line is temporarily simply secured to the right-hand member of left half axle, and left half axle 2 is assembled according to vehicle actual arrangement relation, and mating surface is applied
Fluid sealant is smeared, notes that data line can not be damaged during assembling.
Step 4: referring to Figures 1 and 2, will be recessed through described first positioned at the data line of the right-hand member of the left half axle 2
Groove and be connected with the binding post.Specifically, the data line right-hand member of left half axle 2 reserved is passed through from bar-shaped trough III, and
Along paths arrangements such as differential mechanism left housing 8, driven wheels of differential 9, binding post is connected to.Data line answers firm pasting, and does
Good insulation, anti-oil processing.In this step, the data line can be pasted onto by the differential mechanism by second groove II
Insulation processing is carried out in left housing and the driven wheel of differential and to the data line, because the second groove II space is limited,
Need patient operation.
Step 5: the axle housing bonnet is fixed on the axle housing, to cover the bridge bag.Specifically, by bonnet 16
And bonnet backing plate 15 is assembled on axle housing backing plate 5, smears fluid sealant and fastened using bolt.
After the above-mentioned transformation of the way, the automobile drive axle of the transformation of the way is injected after lubricating oil by technical conditions, you can carried out just
Normal bench test.Signal projector launches the tooth root strain signal of driven wheel of differential 9 to being connected with data collecting system
Signal receiver, required test data is can obtain by data collecting system.
This embodiment describes wiring, the assembly method for testing single gear tooth stresses, if carrying out the test of multiple gear teeth,
Can in left half axle, differential mechanism left housing, circumferentially 180 ° of positions carry out same perforate, fluting, wiring operations, one group of increase connects
Line terminals.Before assembly, it would be desirable to which the gear teeth of test paste foil gauge and binding post.After assembling, each drive axle operating
Two groups of gear teeth can be tested, driving axis need not be then disassembled, only axle housing bonnet 16 and bonnet backing plate 15 need to be pulled down, will not survey
The binding post of the gear teeth is connected with measuring wheel toe joint line terminals can continue test, easy to operate.
Another embodiment of the present invention provides a kind of automobile drive axle driven wheel of differential tooth root ambulatory stress test device, its
The method manufacture provided by previous embodiment is obtained.
The automobile drive axle driven wheel of differential tooth root ambulatory stress test device that the present embodiment is provided may include axle housing and bridge
Shell bonnet, the axle housing includes the bridge bag and the spindle nose positioned at two ends positioned at middle part, and the axle housing bonnet is connected with the bridge bag
And cover speed reducer assembly is mounted with the bridge bag, the bridge bag, the speed reducer assembly is included according to vehicle actual arrangement
Differential mechanism left bearing, differential mechanism left bearing lid, differential mechanism left housing, driven wheel of differential, differential right casing, the differential mechanism of relation connection
Right bearing, differential mechanism right bearing lid, cross axle, planetary gear, axle shaft gear, the end of the axle tube are provided with wheel hub, institute
Wheel hub is stated to be supported on the end of the spindle nose by wheel hub outer bearing and hub inner bearing, wherein, the axle housing bonnet can
The bridge is releasably connected to wrap；The first groove is formed with the position that the axle housing is connected with the axle housing bonnet；
The differential mechanism left housing is formed with the second groove with the differential mechanism left bearing at engagement journal；The side of the semiaxis and institute
Wheel hub connection is stated, opposite side is connected with the speed reducer assembly, and specifically, half shaft flange side is connected on wheel hub, opposite side
It is connected by spline with the axle shaft gear in speed reducer assembly, the semiaxis includes left half axle and right axle shaft, wherein, described left half
The end flange of axle in axial direction offers a through hole, and is provided with signal projector on the end face of end flange；It is described
Driven wheel of differential includes being provided with binding post in the multiple gear teeth of matrix and formation on the matrix, described matrix, described
The gear teeth are evenly arranged with multiple foil gauges along tooth length direction, and the foil gauge is connected with the binding post；The signal transmitting
Device is directly connected with the binding post by data connecting line, and described data connecting line one end connects with the signal projector
Connect, the other end extend through first groove by the through hole, along the surface of the left half axle and with the terminals
Son connection.
Further, the axle housing bonnet is connected by attachment structure with the bridge bag；The attachment structure includes the
One backing plate and the second backing plate, first backing plate are fixedly connected with the bridge bag, and are formed with and are mutually fitted with first groove
The second groove matched somebody with somebody, second backing plate is fixedly connected with the axle housing bonnet, and first backing plate and second backing plate are logical
Cross bolt connection.
Further, first backing plate is identical with second backing structure；The foil gauge is arranged on the gear teeth
Dangerouse cross-section and tooth root position of intersecting point at.
Further, the dangerouse cross-section of the gear teeth is obtained by 30 ° of tangential methods；The signal projector is arranged on described
The center of flange side surface.
Further, first groove is rectangular channel, and second groove is formed by finger cutter；The decelerator
Assembly is coated with fluid sealant in the mating surface with axle housing, and the left half axle in the mating surface of the wheel hub with being coated with sealing
Glue.
The function of said apparatus may correspond to the method for testing of previous embodiment, will not be repeated here.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of automobile drive axle driven wheel of differential tooth root ambulatory stress test device, it is characterised in that including axle housing, the bridge
Shell includes bridge bag, axle housing bonnet and the spindle nose positioned at two ends positioned at middle part, and the axle housing bonnet is connected simultaneously with the bridge bag
Cover and speed reducer assembly is mounted with the bridge bag, the bridge bag, the speed reducer assembly includes closing according to vehicle actual arrangement
It is that differential mechanism left bearing, differential mechanism left bearing lid, differential mechanism left housing, driven wheel of differential, differential right casing, the differential mechanism connected is right
Bearing, differential mechanism right bearing lid, cross axle, planetary gear, axle shaft gear, the end of the spindle nose are provided with wheel hub, the wheel hub
It is supported on by wheel hub outer bearing and hub inner bearing on the end of the spindle nose,
Wherein, the axle housing bonnet is detachably connected to the bridge and wrapped；It is connected in the axle housing with the axle housing bonnet
Position at be formed with the first groove；The differential mechanism left housing is formed with second with the differential mechanism left bearing at engagement journal
Groove；
The side of the semiaxis is connected with the wheel hub, and opposite side is connected with the speed reducer assembly, including left half axle and right half
Axle, wherein, the end flange of the left half axle in axial direction offers a through hole, and is provided with the end face of end flange
Signal projector；
The driven wheel of differential includes being provided with terminals in the multiple gear teeth of matrix and formation on the matrix, described matrix
Son, the gear teeth are evenly arranged with multiple foil gauges along tooth length direction, and the foil gauge is connected with the binding post；
The signal projector is directly connected with the binding post by data connecting line, described data connecting line one end and institute
Signal projector connection is stated, the other end extends through first groove by the through hole along the surface of the left half axle
And be connected with the binding post.
2. automobile drive axle driven wheel of differential tooth root ambulatory stress test device according to claim 1, it is characterised in that
The axle housing bonnet is connected by attachment structure with the bridge bag；
The attachment structure includes the first backing plate and the second backing plate, and first backing plate is fixedly connected with the bridge bag, and shape
The second groove that first groove described in Cheng Youyu is adapted, second backing plate is fixedly connected with the axle housing bonnet, and described
One backing plate and second backing plate are bolted.
3. automobile drive axle driven wheel of differential tooth root ambulatory stress test device according to claim 2, it is characterised in that
First backing plate is identical with second backing structure；
The foil gauge is arranged at the position of intersecting point of the dangerouse cross-section of the gear teeth and tooth root.
4. automobile drive axle driven wheel of differential tooth root ambulatory stress test device according to claim 3, it is characterised in that
The dangerouse cross-section of the gear teeth is obtained by 30 ° of tangential methods；The signal projector is arranged on the center of the flange side surface
Position.
5. automobile drive axle driven wheel of differential tooth root ambulatory stress test device according to claim 1, it is characterised in that
First groove is rectangular channel, and second groove is formed by finger cutter.
6. a kind of manufacture method of automobile drive axle driven wheel of differential tooth root ambulatory stress test device, for manufacturing claims
Test device described in 1 to 5 any one, it is characterised in that including drive axle parts method for remanufacturing and strain gauge adhesion and walk
Line method；
The drive axle parts method for remanufacturing includes axle housing transformation of the way step, differential mechanism left housing transformation of the way step and left half axle transformation of the way step
Suddenly,
Axle housing transformation of the way step include by the axle housing bonnet along and the welding position of axle housing cut, the axle housing with it is described
The first groove is opened up at the position that axle housing bonnet is connected；
The differential mechanism left housing transformation of the way step is included at the engagement journal of the differential mechanism left housing and the differential mechanism left bearing
Open up the second groove；
The left half axle transformation of the way step, which is included in the end flange of the left half axle, in axial direction opens up a through hole；
The strain gauge adhesion and Wiring method include：
The dangerouse cross-section of the gear teeth of the driven wheel of differential is found out using presetting method, and by strain gauge adhesion in the danger found
At the position of intersecting point of dangerous section and tooth root；
By differential mechanism left bearing, differential mechanism left bearing lid, differential mechanism left housing, driven wheel of differential, differential right casing, differential mechanism right axle
Hold, that differential mechanism right bearing lid, cross axle, planetary gear, axle shaft gear according to vehicle actual arrangement relation are assembled to form decelerator is total
Into, and speed reducer assembly is assembled to the bridge bag of axle housing；And by wheel hub, wheel hub outer bearing, hub inner bearing and wheel side other
Parts are assembled to the spindle nose position of axle housing according to vehicle actual arrangement relation；
Signal projector is pasted onto at the end face center position of the end flange of the left half axle, makes one end of data line
The signal projector is connected, the other end extends to the left half axle through the through hole along the axial wall plane of the left half axle
Right-hand member, and beyond the right-hand member predetermined length of the left half axle；And the left half axle is entered into luggage according to vehicle actual arrangement relation
Match somebody with somebody；
It will be connected positioned at the data line of the right-hand member of the left half axle through first groove with the binding post；
The axle housing bonnet is fixed on the axle housing, to cover the bridge bag.
7. manufacture method according to claim 6, it is characterised in that the axle housing transformation of the way step also includes：Processing first
Backing plate and the second backing plate, and the 3rd groove being adapted with first groove is opened up on first backing plate so that it is described
First groove and the 3rd groove cooperatively form an opening portion；Wherein, first backing plate is connected with the bridge bag, and described
Two backing plates are connected with the axle housing bonnet, and the axle housing bonnet by first backing plate and second backing plate with institute
Axle housing is stated removably to be combined together.
8. manufacture method according to claim 7, it is characterised in that first backing plate and the second backing structure phase
Together；The dangerouse cross-section of the gear teeth is obtained by 30 ° of tangential methods.
9. manufacture method according to claim 6, it is characterised in that first groove is rectangular channel, and described second is recessed
Groove is formed by finger cutter.
10. manufacture method according to claim 6, it is characterised in that
The data line is pasted onto in the differential mechanism left housing and the driven wheel of differential simultaneously by second groove
Insulation processing is carried out to the data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110261093A (en) * | 2019-07-12 | 2019-09-20 | 蚌埠液力机械有限公司 | Rush weldering type hydraulic torque converter active wheel component capabilities detection device and positioning tool |
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