CN104816585B - Split type axle housing automobile drive axle - Google Patents
Split type axle housing automobile drive axle Download PDFInfo
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- CN104816585B CN104816585B CN201510105298.7A CN201510105298A CN104816585B CN 104816585 B CN104816585 B CN 104816585B CN 201510105298 A CN201510105298 A CN 201510105298A CN 104816585 B CN104816585 B CN 104816585B
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Abstract
The invention discloses a kind of split type axle housing automobile drive axle, it is desirable to provide a kind of damping effect being effectively improved in automobile drive axle work process, and reduce, reduce the automobile drive axle of noise.It includes that axle housing, left half axle housing and right axle shaft housing, described left half axle housing are connected with axle housing by bolt, and is provided with left damping pad between left half axle housing and axle housing；Described right axle shaft housing is connected with axle housing by bolt, and is provided with right damping pad between right axle shaft housing and axle housing.
Description
Technical field
The present invention relates to a kind of automobile component, be specifically related to a kind of split type axle housing automobile drive axle.
Background technology
Automobile drive axle is one of critical component of automobile, and equipped with main reducing gear, differential mechanism and the motor element such as semiaxis, bearing inside it, therefore its functional reliability is to ensure that the key of power performance and travelling and fuel economy.In the course of the work along with power transmission shaft power and the input of motion, the engaged transmission etc. of Driven Gear of Final Reduction Gear, not only there is normal fretting wear, and vibration and noise can be produced in drive axle.The noise of automobile drive axle produces and stems primarily from the friction of travelling gear, vibrates and collide, and the most effectively reduces and reduces noise so that it is more meeting environmental requirement is also a domestic and international emphasis research topic；Reduce when automobile drive axle runsGearRotational noise has become the important subject in industry.
Current driving axle housing mostly is banjo axle, and it has the installation being easy to main reducing gear, the feature adjusting and keeping in repair, and is used widely；But banjo axle is unfavorable for reducing the vibration in automobile drive axle work process, thus how to design and a kind of be conducive to improving the damping effect in automobile drive axle work process, and to reduce, reduce noise be the most significant.
On the other hand, by optimizing gear parameter, making meshing impact speed be down to minimum, the ratio nibbling out impact velocity and meshing impact speed is in a certain numerical range, the design of gears method reduced or avoid operating pitch circle to impact, can a kind of bright method showing reduction reducer gear noise；Thus, the main reducing gear of automobile drive axle needs the back lash of regulation input bevel gear and output bevel gear wheel during assembling at present, input bevel gear is made to be adjusted to rational numerical range with the back lash of output bevel gear wheel, thus improve the service life of conic reducer, and reduce reducer gear noise；But the mode that the Mesh Clearance Adjustment that the input of current automobile driving axle main gear box and output bevel gear are taken turns is typically with increase and decrease adjustment pad is adjusted.Although the mode using increase and decrease to adjust pad can regulate back lash, but this regulative mode is the most complicated, loaded down with trivial details, and workload is big, operating efficiency is low, and Mesh Clearance Adjustment precision is low.
Summary of the invention
The first object of the present invention is to provide for a kind of damping effect being effectively improved in automobile drive axle work process, and reduces, reduces the split type axle housing automobile drive axle of noise.
The present invention another object is that to overcome the mode using increase and decrease to adjust pad in prior art to regulate the back lash of main reducing gear of drive axle on the basis of the first purpose is the most complicated, loaded down with trivial details, workload is big, operating efficiency is low, and the problem that Mesh Clearance Adjustment precision is low, offer one is easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment precision is high, be conducive to improving the service life of main reducing gear of drive axle, and reduce the split type axle housing automobile drive axle of grating of gears.
The technical scheme is that
A kind of split type axle housing automobile drive axle, including axle housing, left half axle housing and right axle shaft housing, described left half axle housing is connected with axle housing by bolt, and is provided with left damping pad between left half axle housing and axle housing；Described right axle shaft housing is connected with axle housing by bolt, and is provided with right damping pad between right axle shaft housing and axle housing.Left and right damping pad in this programme can effectively reduce the vibration in automobile drive axle work process, thus improves the damping effect in automobile drive axle work process, and reduce, reduce noise.
As preferably, axle housing outer surface is welded with several metal derbies.Owing on automobile drive axle work process intermediate axle shell body, frequency of vibration and the natural frequency of each point are different, this programme utilizes and is welded with several metal derbies on axle housing drive axle outer surface, thus change drive axle mode of oscillation, reduce, reduce the purpose of noise.
As preferably, the left connecting portion of semi-circular shape it is provided with on left half axle housing, towards one end of axle housing, left connecting portion and left half axle housing are formed in one structure, and described left connecting portion is connected with axle housing with by bolt, and described left damping pad is between left connecting portion and axle housing.
As preferably, the right connecting portion of semi-circular shape it is provided with on right axle shaft housing, towards one end of axle housing, right connecting portion and right axle shaft housing are formed in one structure, and described right connecting portion is connected with axle housing with by bolt, and described right damping pad is between right connecting portion and axle housing.
As preferably, also including main reducing gear, this main reducing gear includes, power shaft, the input bevel gear being arranged on power shaft, the toothholder installing rack being rotatably provided on axle housing by bearing and the annular output bevel gear wheel being arranged on toothholder installing rack；The rotary shaft of described toothholder installing rack is perpendicular with power shaft, described input bevel gear engages with annular output bevel gear wheel, described axle housing is provided with power shaft and installs axis hole, power shaft is rotating in installing axis hole is provided with tune gap axle sleeve, the outer peripheral face of this tune gap axle sleeve is installed axis hole with power shaft and is matched, and adjusts the outer peripheral face of gap axle sleeve to be coaxially disposed with power shaft installation axis hole；The axle center of interior axis hole adjusting gap axle sleeve is eccentric setting with the axle center of the outer peripheral face adjusting gap axle sleeve, and adjusts the axis of interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve；Described power shaft is spindle rotationally arranged in by bearing on the interior axis hole adjusting gap axle sleeve, and the interior axis hole of power shaft and tune gap axle sleeve is coaxially disposed.
Owing to the axle center of interior axis hole of tune gap axle sleeve of this programme is with to adjust the axle center of outer peripheral face of gap axle sleeve be eccentric setting, and the axis of interior axis hole of gap axle sleeve is adjusted to parallel with the axis of the outer peripheral face of tune gap axle sleeve；Thus when operator drives tune gap axle sleeve to rotate, the centrage installing axis hole around power shaft is rotated by the power shaft in interior axis hole, and then make power shaft drive input bevel gear to leave or near annular output bevel gear wheel, reach regulation and input the purpose of the back lash between bevel gear and annular output bevel gear wheel, and the regulative mode of this programme back lash is a kind of step-less adjustment, with use increase and decrease adjust pad have level regulation compared with have Mesh Clearance Adjustment precision high feature.After back lash regulates, then tune gap axle sleeve is fixed on axle housing.The regulative mode of this programme back lash is the most easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment precision is high, be conducive to improving the service life of main reducing gear of drive axle, and reduce reducer gear noise, thus be conducive to improving the service life of main reducing gear of drive axle, and reduce grating of gears.
As preferably, adjust and on gap axle sleeve, lean on the outer peripheral face of its outer end to be provided with annular mounting plate, annular mounting plate is provided with some oval holes, each oval hole is uniform around the outer peripheral face circumference adjusting gap axle sleeve, and the tune circumferentially extending setting of gap axle sleeve of edge, each oval hole, annular mounting plate is resisted against on decelerating chassis outside, and is connected with box body of speed reducer through oval hole by bolt.
As preferably, power shaft and input bevel gear are formed in one structure, are provided with self-lubricating device in described input bevel gear, and this self-lubricating device includes the shoe cream room being arranged in input bevel gear and the self-adapting stretching device being arranged in shoe cream room；It is respectively equipped with an oil leab between each teeth groove and the shoe cream room of described input bevel gear, oil leab automatic opening-closing it is respectively equipped with on each oil leab, described oil leab includes oil inlet passage, oil discharge passage and be arranged on the installing hole of bottom land of input bevel gear；Described oil leab automatic opening-closing includes the valve pocket being arranged in installing hole and is slidably arranged on the piston body in valve pocket；The both ends open of described valve pocket, grid barrier it is provided with in valve pocket, valve pocket medial surface is provided with first annular projection and the second annular protrusion, first annular projection, the second annular protrusion and installing hole bottom surface are positioned at the same side of grid barrier, and first annular projection is near installing hole bottom surface, the second bottom surface, annular protrusion remotely mounted hole；Piston body, between first and second annular protrusion, in valve pocket, is provided with the first compression spring that piston body can be made to be resisted against in first annular projection between grid barrier and piston body；Second and third sealing ring it is provided with between described piston body and installing hole, on installing hole medial surface, it is provided with annular groove second and the 3rd between sealing ring, the oil-through hole of through valve pocket lateral surface it is provided with on described valve pocket medial surface, between first and second annular protrusion, oil-through hole is second and the 3rd between sealing ring, and the opening of this oil-through hole and annular groove is just to setting；When piston body is resisted against in first annular projection, described oil-through hole and the second annular protrusion are positioned at piston body the same side；When piston body is resisted against on the second annular protrusion, described oil-through hole and first annular projection are positioned at piston body the same side；One end of described oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of installing hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the bottom land at installing hole place；Described self-adapting stretching device includes the fixing sleeve being arranged in shoe cream room and the slip body being slidably arranged in fixing sleeve, and described fixing sleeve is fixed on shoe cream room inwall, and one end of fixing sleeve is closed, other end opening；Being provided with the first sealing ring between described fixing sleeve medial surface and slip cap outside, one end of slip body is closed, other end opening, and the opening of slip body closes towards the end seal of fixing sleeve；Form airtight telescopic cavity between described fixing sleeve and slip body, in this telescopic cavity, fill gas；Lubricating oil is filled in described shoe cream room.
The mode of gear lubrication mode many employings external dressing of main reducing gear of drive axle at present, add lubricating oil to gear surface gear is lubricated, such as: lubricating oil (is dropped to friction in pairs surface) by drip lubrication, lubricant (is splashed to friction in pairs surface) by splash lubrication, oil jet lubrication, flooding system lubrication etc..The gear lubrication mode of current this employing external dressing, once lubricating system fault or lubricating system fluid are not enough or because of other reasons, when causing the gear in gear train the most enough to be lubricated, then gear can be caused the biggest damage, reduce the service life of gear shaft.
The self-lubricating device of this programme utilize the coefficient of cubical expansion of gas much larger than lubricating oil the coefficient of cubical expansion；Input bevel gear in the course of the work, if the reason such as lubricating system fault or lubricating system fluid deficiency occurs, cause inputting bevel gear insufficient lubrication, when making input cone pulley tooth temperature quickly raise (such as cone pulley tooth temperature quickly raises tens degree)；When gases are heated, they expand in filling in this programme telescopic cavity, the oil pressure in shoe cream room is made to increase, thus the lubricating oil in shoe cream room is forced into gullet surface by oil leab, and rotate input bevel gear and engagement process is gradually distributed to input on the flank of tooth of bevel gear and output bevel gear wheel, it is effectively improved the lubricant effect of input tooth surfaces of bevel gears；Thus be effectively improved because of reasons such as lubricating system fault or lubricating system fluid deficiencies, make gear lubrication bad, the problem reducing service life of gear.
It addition, the oil leab automatic opening-closing of this programme structure normally can work on the premise of (i.e. oil pressure in shoe cream room increase, lubricating oil is forced into gullet surface by oil leab) not affecting self-lubricating device；It is prevented effectively from gear in normal operating conditions, the problem that the lubricating oil in shoe cream room is flowed out by gravity or centrifugal forces affect.
As preferably, input bevel gear is positioned at power shaft end, and described shoe cream room is cylindrical cavity, and shoe cream room is coaxially disposed with power shaft；One end of shoe cream room is past to be extended away from wheel direction of principal axis, and hides end plate inputting to be provided with in formation port, and this port to seal on bevel gear end face, and envelope screening end plate is provided with pump nozzle.
As preferably, the blind end of fixing sleeve is fixed on shoe cream room inwall, and fixing sleeve and slip body are paralleled with the axis of wheel shaft, and the opening of fixing sleeve and envelope hide the axial length being smaller than fixing sleeve between end plate；The axial length of described slip body is more than the axial length of fixing sleeve.
The invention has the beneficial effects as follows:
One, can be effectively improved the damping effect in automobile drive axle work process, and reduce, reduce noise.
Its two, have that Driven Gear of Final Reduction Gear back lash is easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment precision be high, be conducive to improving the service life of main reducing gear of drive axle, and reduce the feature of grating of gears.
Its three, can be effectively improved because of reasons such as lubricating system fault or lubricating system fluid are not enough, cause gear lubrication bad, the problem reducing gear shaft service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the split type axle housing automobile drive axle of the embodiment of the present invention 1.
Fig. 2 is the partial enlarged drawing in Fig. 1 at A.
Fig. 3 is the part section structural representation at the main reducing gear of the embodiment of the present invention 1.
Fig. 4 is a kind of structural representation of the tune gap axle sleeve of the embodiment of the present invention 1.
Fig. 5 is B direction view in Fig. 4.
Fig. 6 is power shaft and a kind of structural representation of input bevel gear of the embodiment of the present invention 2.
Fig. 7 is the partial enlarged drawing in Fig. 6 at C.
nullIn figure: axle housing 1、Metal derby 1a、Power shaft installs axis hole 1b，Left half axle housing 2a、Left connecting portion 2a1、Left damping pad 2a2，Right axle shaft housing 2b、Right connecting portion 2b1，Adjust gap axle sleeve 3、Outer peripheral face 31、Annular mounting plate 32、Oval hole 33、Interior axis hole 34、First annular dodge groove 35，Power shaft 4，Input bevel gear 6、Teeth groove 6a，Annular output bevel gear wheel 7，Toothholder installing rack 8，Self-lubricating device 9，Shoe cream room 91，Self-adapting stretching device 92、Fixing sleeve 92a、Slip body 92b、Seal plug 92c、Telescopic cavity 392d，Oil leab 93、Oil inlet passage 93a、Oil discharge passage 93b、Installing hole 93c，Automatic opening-closing 94，Envelope hides end plate 95、Pump nozzle 95a，Valve pocket 97，Grid barrier 98，First compression spring 99，Second sealing ring 910，Second annular protrusion 911，Annular groove 912，3rd sealing ring 913，First annular protruding 914，Piston body 915，Oil-through hole 916.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of split type axle housing automobile drive axle, including axle housing 1, left half axle housing 2a, right axle shaft housing 2b and main reducing gear.Left half axle housing is connected with axle housing by bolt, and is provided with left damping pad 2a2 between left half axle housing and axle housing.The left connecting portion 2a1 of semi-circular shape it is provided with on left half axle housing, towards one end of axle housing.Left connecting portion and left half axle housing are formed in one structure.Left connecting portion is connected with axle housing with by bolt, and left damping pad is between left connecting portion and axle housing.
Right axle shaft housing is connected with axle housing by bolt, and is provided with right damping pad between right axle shaft housing and axle housing.The right connecting portion 2b1 of semi-circular shape it is provided with on right axle shaft housing, towards one end of axle housing.Right connecting portion and right axle shaft housing are formed in one structure.Right connecting portion is connected with axle housing with by bolt, and described right damping pad is between right connecting portion and axle housing.
4 or 5 or 6 metal derby 1a it are welded with on axle housing outer surface.
As shown in Fig. 3, Fig. 4, Fig. 5, main reducing gear includes, power shaft 4, the input bevel gear 6 being arranged on power shaft, the toothholder installing rack 8 being rotatably provided on axle housing by bearing and the annular output bevel gear wheel 7 being arranged on toothholder installing rack.The rotary shaft of toothholder installing rack is perpendicular with power shaft.The rotating shaft of annular output bevel gear wheel is coaxial with the rotating shaft of toothholder installing rack.Input bevel gear engages with annular output bevel gear wheel.Axle housing is provided with power shaft and installs axis hole 1b.Power shaft is rotating in installing axis hole is provided with tune gap axle sleeve 3.The outer peripheral face 31 of this tune gap axle sleeve is installed axis hole with power shaft and is matched, and adjusts the outer peripheral face of gap axle sleeve to be coaxially disposed with power shaft installation axis hole.The outer peripheral face of gap axle sleeve is adjusted to fit with the medial surface of power shaft installation axis hole.Adjust to be provided with in the middle part of the outer peripheral face of gap axle sleeve and first annular dodge groove 35.Power shaft is installed the medial surface of axis hole and is provided with the second annular and dodges groove, and first annular dodges groove and the second annular dodges groove just to setting.The axle center of interior axis hole 34 adjusting gap axle sleeve is eccentric setting with the axle center of the outer peripheral face 31 adjusting gap axle sleeve, and adjusts the axis of interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve.Power shaft is spindle rotationally arranged in by bearing on the interior axis hole adjusting gap axle sleeve, and the interior axis hole of power shaft and tune gap axle sleeve is coaxially disposed.
Adjust and on gap axle sleeve, lean on the outer peripheral face of its outer end to be provided with annular mounting plate 32.Annular mounting plate is provided with some oval holes 33.Each oval hole is uniform around the outer peripheral face circumference adjusting gap axle sleeve, and each oval hole is along adjusting the circumferentially extending setting of gap axle sleeve.Annular mounting plate is resisted against on axle housing lateral surface, and is connected with axle housing through oval hole by bolt.
Embodiment 2: remaining structure of the present embodiment is with reference to embodiment 1, and its difference is:
As shown in Figure 6, Figure 7, power shaft is formed in one structure with input bevel gear.Input bevel gear is positioned at power shaft end.It is provided with self-lubricating device 9 in input bevel gear.This self-lubricating device includes the shoe cream room 91 being arranged in input bevel gear and the self-adapting stretching device 92 being arranged in shoe cream room.Shoe cream room is positioned in the middle part of input bevel gear.Shoe cream room is cylindrical cavity, and shoe cream room is coaxially disposed with power shaft.One end of shoe cream room extends toward away from power shaft direction, and hides end plate 95 inputting to be provided with to seal in formation port, and this port on bevel gear end face.Envelope hides end plate and is provided with pump nozzle 95a.
Self-adapting stretching device includes the fixing sleeve 92a being arranged in shoe cream room and the slip body 92b being slidably arranged in fixing sleeve.Fixing sleeve and slip body are cylindrically.Fixing sleeve and slip body are made up of the metal material of good heat conductivity, such as, be made up of copper or copper alloy or aluminum or aluminum alloy material.One end of fixing sleeve is closed, other end opening.The blind end of fixing sleeve is fixed on shoe cream room inwall, and specifically, the blind end of fixing sleeve is fixed on and hides on the shoe cream room inner face that end plate is relative with sealing.Fixing sleeve and slip body are paralleled with the axis of wheel shaft.The opening of fixing sleeve and envelope hide the axial length being smaller than fixing sleeve between end plate.The axial length of slip body is more than the axial length of fixing sleeve.Fix and between sleeve medial surface and slip cap outside, be provided with the first sealing ring.One end closing of slip body, other end opening, and the opening of slip body close towards the end seal of fixing sleeve.The outer face of the blind end of slip body is provided with inducing QI through hole.Threaded seal plug 92c it is provided with in this inducing QI through hole.Fix and between sleeve and slip body, form airtight telescopic cavity 92d.Gas is filled in this telescopic cavity；This filling gas is air or nitrogen or noble gas.Lubricating oil is filled in shoe cream room.
It is respectively equipped with an oil leab between each teeth groove 6a and the shoe cream room of input bevel gear.Oil leab automatic opening-closing 94 it is respectively equipped with on each oil leab.Oil leab includes oil inlet passage 93a, oil discharge passage 93b and is arranged on the installing hole 93c of the bottom land inputting bevel gear.
Oil leab automatic opening-closing includes the valve pocket 97 being arranged in installing hole and the piston body 915 being slidably arranged in valve pocket.Installing hole is circular hole.Valve pocket is cylindrically.Installing hole is coaxial with valve pocket.Valve pocket is connected with installing hole by screw thread.The both ends open of valve pocket.Grid barrier 98 it is provided with in valve pocket.Valve pocket medial surface is provided with first annular protruding 914 and second annular protrusion 911.First annular projection, the second annular protrusion and installing hole bottom surface are positioned at the same side of grid barrier, and first annular projection is near installing hole bottom surface, the second bottom surface, annular protrusion remotely mounted hole.Piston body is between first and second annular protrusion.In valve pocket, between grid barrier and piston body, it is provided with the first compression spring 99 that piston body can be made to be resisted against in first annular projection.Second and third sealing ring 910,913 it is provided with between piston body and installing hole.On installing hole medial surface, it is provided with annular groove 912 second and the 3rd between sealing ring.The oil-through hole 916 of through valve pocket lateral surface it is provided with on valve pocket medial surface, between first and second annular protrusion.Oil-through hole is second and the 3rd between sealing ring, and the opening of this oil-through hole and annular groove is just to setting.When piston body is resisted against in first annular projection, described oil-through hole and the second annular protrusion are positioned at piston body the same side.When piston body is resisted against on the second annular protrusion, described oil-through hole and first annular projection are positioned at piston body the same side.
One end of oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of installing hole.One end of oil discharge passage communicates with annular groove, and the other end communicates with the bottom land at installing hole place.
Power shaft is formed in one structure with input bevel gear, is provided with self-lubricating device in described input bevel gear, and this self-lubricating device includes the shoe cream room being arranged in input bevel gear and the self-adapting stretching device being arranged in shoe cream room；It is respectively equipped with an oil leab between each teeth groove and the shoe cream room of described input bevel gear, oil leab automatic opening-closing it is respectively equipped with on each oil leab, described oil leab includes oil inlet passage, oil discharge passage and be arranged on the installing hole of bottom land of input bevel gear；Described oil leab automatic opening-closing includes the valve pocket being arranged in installing hole and is slidably arranged on the piston body in valve pocket；The both ends open of described valve pocket, grid barrier it is provided with in valve pocket, valve pocket medial surface is provided with first annular projection and the second annular protrusion, first annular projection, the second annular protrusion and installing hole bottom surface are positioned at the same side of grid barrier, and first annular projection is near installing hole bottom surface, the second bottom surface, annular protrusion remotely mounted hole；Piston body, between first and second annular protrusion, in valve pocket, is provided with the first compression spring that piston body can be made to be resisted against in first annular projection between grid barrier and piston body；Second and third sealing ring it is provided with between described piston body and installing hole, on installing hole medial surface, it is provided with annular groove second and the 3rd between sealing ring, the oil-through hole of through valve pocket lateral surface it is provided with on described valve pocket medial surface, between first and second annular protrusion, oil-through hole is second and the 3rd between sealing ring, and the opening of this oil-through hole and annular groove is just to setting；When piston body is resisted against in first annular projection, described oil-through hole and the second annular protrusion are positioned at piston body the same side；When piston body is resisted against on the second annular protrusion, described oil-through hole and first annular projection are positioned at piston body the same side；One end of described oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of installing hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the bottom land at installing hole place；
Described self-adapting stretching device includes the fixing sleeve being arranged in shoe cream room and the slip body being slidably arranged in fixing sleeve, and described fixing sleeve is fixed on shoe cream room inwall, and one end of fixing sleeve is closed, other end opening；Being provided with the first sealing ring between described fixing sleeve medial surface and slip cap outside, one end of slip body is closed, other end opening, and the opening of slip body closes towards the end seal of fixing sleeve；Form airtight telescopic cavity between described fixing sleeve and slip body, in this telescopic cavity, fill gas；Lubricating oil is filled in described shoe cream room.
Input bevel gear is positioned at power shaft end, and described shoe cream room is cylindrical cavity, and shoe cream room is coaxially disposed with power shaft；One end of shoe cream room is past to be extended away from wheel direction of principal axis, and hides end plate inputting to be provided with in formation port, and this port to seal on bevel gear end face, and envelope screening end plate is provided with pump nozzle.
The blind end of fixing sleeve is fixed on shoe cream room inwall, and fixing sleeve and slip body are paralleled with the axis of wheel shaft, and the opening of fixing sleeve and envelope hide the axial length being smaller than fixing sleeve between end plate；The axial length of described slip body is more than the axial length of fixing sleeve.
Claims (7)
1. a split type axle housing automobile drive axle, is characterized in that, including axle housing, left half axle housing and right axle shaft housing, described left half axle housing is connected with axle housing by bolt, and is provided with left damping pad between left half axle housing and axle housing；Described right axle shaft housing is connected with axle housing by bolt, and is provided with right damping pad between right axle shaft housing and axle housing；
It is welded with several metal derbies on described axle housing outer surface；
Also including main reducing gear, this main reducing gear includes, power shaft, the input bevel gear being arranged on power shaft, the toothholder installing rack being rotatably provided on axle housing by bearing and the annular output bevel gear wheel being arranged on toothholder installing rack；The rotary shaft of described toothholder installing rack is perpendicular with power shaft, and described input bevel gear engages with annular output bevel gear wheel,
Described axle housing is provided with power shaft and installs axis hole, and power shaft is the rotating tune gap axle sleeve that is provided with in installing axis hole, and the outer peripheral face of this tune gap axle sleeve is installed axis hole with power shaft and matched, and the outer peripheral face of tune gap axle sleeve is installed axis hole with power shaft and is coaxially disposed；The axle center of interior axis hole adjusting gap axle sleeve is eccentric setting with the axle center of the outer peripheral face adjusting gap axle sleeve, and adjusts the axis of interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve；Described power shaft is spindle rotationally arranged in by bearing on the interior axis hole adjusting gap axle sleeve, and the interior axis hole of power shaft and tune gap axle sleeve is coaxially disposed.
Split type axle housing automobile drive axle the most according to claim 1, it is characterized in that, the left connecting portion of semi-circular shape it is provided with on described left half axle housing, towards one end of axle housing, left connecting portion and left half axle housing are formed in one structure, described left connecting portion is connected with axle housing with by bolt, and described left damping pad is between left connecting portion and axle housing.
Split type axle housing automobile drive axle the most according to claim 1 and 2, it is characterized in that, the right connecting portion of semi-circular shape it is provided with on described right axle shaft housing, towards one end of axle housing, right connecting portion and right axle shaft housing are formed in one structure, described right connecting portion is connected with axle housing with by bolt, and described right damping pad is between right connecting portion and axle housing.
Split type axle housing automobile drive axle the most according to claim 1, it is characterized in that, on described tune gap axle sleeve, the outer peripheral face by its outer end is provided with annular mounting plate, annular mounting plate is provided with some oval holes, each oval hole is uniform around the outer peripheral face circumference adjusting gap axle sleeve, and the tune circumferentially extending setting of gap axle sleeve of edge, each oval hole, annular mounting plate is resisted against on decelerating chassis outside, and is connected with box body of speed reducer through oval hole by bolt.
5. according to the split type axle housing automobile drive axle described in claim 1 or 4, it is characterized in that, described power shaft is formed in one structure with input bevel gear, being provided with self-lubricating device in described input bevel gear, this self-lubricating device includes the shoe cream room being arranged in input bevel gear and the self-adapting stretching device being arranged in shoe cream room；It is respectively equipped with an oil leab between each teeth groove and the shoe cream room of described input bevel gear, oil leab automatic opening-closing it is respectively equipped with on each oil leab, described oil leab includes oil inlet passage, oil discharge passage and be arranged on the installing hole of bottom land of input bevel gear；Described oil leab automatic opening-closing includes the valve pocket being arranged in installing hole and is slidably arranged on the piston body in valve pocket；The both ends open of described valve pocket, grid barrier it is provided with in valve pocket, valve pocket medial surface is provided with first annular projection and the second annular protrusion, first annular projection, the second annular protrusion and installing hole bottom surface are positioned at the same side of grid barrier, and first annular projection is near installing hole bottom surface, the second bottom surface, annular protrusion remotely mounted hole；Piston body, between first and second annular protrusion, in valve pocket, is provided with the first compression spring that piston body can be made to be resisted against in first annular projection between grid barrier and piston body；Second and third sealing ring it is provided with between described piston body and installing hole, on installing hole medial surface, it is provided with annular groove second and the 3rd between sealing ring, the oil-through hole of through valve pocket lateral surface it is provided with on described valve pocket medial surface, between first and second annular protrusion, oil-through hole is second and the 3rd between sealing ring, and the opening of this oil-through hole and annular groove is just to setting；When piston body is resisted against in first annular projection, described oil-through hole and the second annular protrusion are positioned at piston body the same side；When piston body is resisted against on the second annular protrusion, described oil-through hole and first annular projection are positioned at piston body the same side；One end of described oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of installing hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the bottom land at installing hole place；
Described self-adapting stretching device includes the fixing sleeve being arranged in shoe cream room and the slip body being slidably arranged in fixing sleeve, and described fixing sleeve is fixed on shoe cream room inwall, and one end of fixing sleeve is closed, other end opening；Being provided with the first sealing ring between described fixing sleeve medial surface and slip cap outside, one end of slip body is closed, other end opening, and the opening of slip body closes towards the end seal of fixing sleeve；Form airtight telescopic cavity between described fixing sleeve and slip body, in this telescopic cavity, fill gas；Lubricating oil is filled in described shoe cream room.
Split type axle housing automobile drive axle the most according to claim 5, is characterized in that, described input bevel gear is positioned at power shaft end, and described shoe cream room is cylindrical cavity, and shoe cream room is coaxially disposed with power shaft；One end of shoe cream room is past to be extended away from wheel direction of principal axis, and hides end plate inputting to be provided with in formation port, and this port to seal on bevel gear end face, and envelope screening end plate is provided with pump nozzle.
Split type axle housing automobile drive axle the most according to claim 6, it is characterized in that, the blind end of described fixing sleeve is fixed on shoe cream room inwall, and fixing sleeve and slip body parallel with the axis of wheel shaft, the opening of fixing sleeve and envelope hide the axial length being smaller than fixing sleeve between end plate；The axial length of described slip body is more than the axial length of fixing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105298.7A CN104816585B (en) | 2015-03-10 | 2015-03-10 | Split type axle housing automobile drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105298.7A CN104816585B (en) | 2015-03-10 | 2015-03-10 | Split type axle housing automobile drive axle |
Publications (2)
| Publication Number | Publication Date |
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| CN104816585A CN104816585A (en) | 2015-08-05 |
| CN104816585B true CN104816585B (en) | 2016-10-05 |
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| CN201510105298.7A Expired - Fee Related CN104816585B (en) | 2015-03-10 | 2015-03-10 | Split type axle housing automobile drive axle |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107336565B (en) * | 2017-07-04 | 2019-08-16 | 浙江工贸职业技术学院 | A kind of split type axle housing automobile drive axle |
| CN107202062A (en) * | 2017-07-24 | 2017-09-26 | 泸州开士乐工程技术有限责任公司 | A kind of easy-to-dismount jack shaft structure and its method for dismounting |
| JP7420054B2 (en) * | 2020-11-09 | 2024-01-23 | トヨタ自動車株式会社 | vehicle transaxle |
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| JPH09207506A (en) * | 1996-01-31 | 1997-08-12 | Suzuki Motor Corp | Axle housing |
| JP2004291926A (en) * | 2003-03-28 | 2004-10-21 | Press Kogyo Co Ltd | Axle-housing |
| JP2005014851A (en) * | 2003-06-27 | 2005-01-20 | Press Kogyo Co Ltd | Axle case |
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| CN201626254U (en) * | 2010-03-22 | 2010-11-10 | 滕开永 | Axle shell for automobile and loader |
| CN204415047U (en) * | 2015-01-28 | 2015-06-24 | 盐城工学院 | A kind of car transmissions Drive axle housing structure |
| CN204472452U (en) * | 2015-03-10 | 2015-07-15 | 盐城工学院 | A kind of split type axle housing automobile drive axle |
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2015
- 2015-03-10 CN CN201510105298.7A patent/CN104816585B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09207506A (en) * | 1996-01-31 | 1997-08-12 | Suzuki Motor Corp | Axle housing |
| JP2004291926A (en) * | 2003-03-28 | 2004-10-21 | Press Kogyo Co Ltd | Axle-housing |
| JP2005014851A (en) * | 2003-06-27 | 2005-01-20 | Press Kogyo Co Ltd | Axle case |
| CN201566425U (en) * | 2009-12-15 | 2010-09-01 | 东风汽车公司 | Automobile rear axle housing convenient for maintenance |
| CN201626254U (en) * | 2010-03-22 | 2010-11-10 | 滕开永 | Axle shell for automobile and loader |
| CN204415047U (en) * | 2015-01-28 | 2015-06-24 | 盐城工学院 | A kind of car transmissions Drive axle housing structure |
| CN204472452U (en) * | 2015-03-10 | 2015-07-15 | 盐城工学院 | A kind of split type axle housing automobile drive axle |
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| CN104816585A (en) | 2015-08-05 |
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Effective date of registration: 20170626 Address after: 221220 No. 16-1 Qianjin Road, Suining Economic Development Zone, Xuzhou, Jiangsu Patentee after: Jiangsu Lvneng Science and Technology Electric Appliance Co., Ltd. Address before: 224051 Yancheng City Province Lake Road hope Lake Road, No. 1, No. Patentee before: Yangcheng Institute of Technology |
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Granted publication date: 20161005 Termination date: 20190310 |