CN204472452U - A kind of split type axle housing automobile drive axle - Google Patents
A kind of split type axle housing automobile drive axle Download PDFInfo
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- CN204472452U CN204472452U CN201520134029.9U CN201520134029U CN204472452U CN 204472452 U CN204472452 U CN 204472452U CN 201520134029 U CN201520134029 U CN 201520134029U CN 204472452 U CN204472452 U CN 204472452U
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Abstract
The utility model discloses a kind of split type axle housing automobile drive axle, aim to provide a kind of damping effect that can effectively improve in automobile drive axle working process, and reduce, reduce the automobile drive axle of noise.It comprises axle housing, left half axle housing and right axle shaft housing, and 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.
Description
Technical field
The utility model relates to a kind of automobile component, is 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 main reduction gear, diff and the motor element such as semiaxis, bearing are equipped with in its inside, and therefore its functional reliability is the key ensureing power performance and travelling and fuel economy.Drive axle moves the input of force and motion, the engaged transmission etc. of Driven Gear of Final Reduction Gear along with transmission shaft in the course of the work, not only normal skimming wear will occur, and can produce vibration & noise.The noise of automobile drive axle produce mainly come from transmission gear friction, vibration and collision, how effectively to reduce and minimizing noise, making it more meet environmental demands is also a domestic and international emphasis research topic; The gear transmission noises reduced when automobile drive axle runs has become the important subject in industry.
Current driving axle housing mostly is integral axle housing, its have be convenient to main reduction gear installation, adjustment and maintenance feature, and to be used widely; But integral axle housing is unfavorable for reducing the vibration in automobile drive axle working process, thus how designs a kind of being conducive to and improve the damping effect in automobile drive axle working process, and to reduce, reduce noise be very significant.
On the other hand, by optimizing gear parameter, meshing impact speed is down to minimum, the ratio nibbling out velocity of impact and meshing impact speed is in a certain number range, reduce or the design of gears method of avoiding operating pitch circle to impact, can a kind of bright method showing reduction reducer gear noise; Thus, the main reduction gear of current automobile drive axle needs the back lash regulating input finishing bevel gear cuter and output bevel gear to take turns in fitting process, the back lash that input finishing bevel gear cuter and output bevel gear are taken turns is adjusted to rational number range, thus improve the service life of conic reducer, and reduce reducer gear noise; But the Mesh Clearance Adjustment of the constrained input finishing bevel gear cuter of automobile driving axle main gear box normally adopts the mode of increase and decrease adjustment pad to regulate at present.Although adopt the mode of increase and decrease adjustment pad to regulate back lash, this regulative mode is not only complicated, loaded down with trivial details, and work capacity is large, operating efficiency is low, and Mesh Clearance Adjustment precision is low.
Utility model content
First object of the present utility model is to provide a kind of damping effect that can effectively improve in automobile drive axle working process, and reduces, reduces the split type axle housing automobile drive axle of noise.
The utility model another object on the first object basis adopts the mode of increase and decrease adjustment pad to regulate the back lash of main reducing gear of drive axle not only complicated, loaded down with trivial details to overcome in prior art, work capacity is large, operating efficiency is low, and the problem that Mesh Clearance Adjustment precision is low, there is provided a kind of easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment precision is high, be conducive to the service life of improving main reducing gear of drive axle, and reduce the split type axle housing automobile drive axle of gear noise.
The technical solution of the utility model is:
A kind of split type axle housing automobile drive axle, comprise 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 effectively can reduce the vibration in automobile drive axle working process, thus improves the damping effect in automobile drive axle working process, and reduces, reduces noise.
As preferably, the left connecting portion of semi-circular shape 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, 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 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, 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 comprise main reduction gear, this main reduction gear comprises, input shaft, is arranged on the input finishing bevel gear cuter on input shaft, is rotatably arranged on the toothholder erecting frame on axle housing and is arranged on the annular output bevel gear wheel on toothholder erecting frame by bearing; S. A. and the input shaft of described toothholder erecting frame are perpendicular, described input finishing bevel gear cuter is taken turns with annular output bevel gear and is engaged, described axle housing is provided with input shaft installation axle hole, in input shaft installation axle hole, rotating being provided with adjusts gap axle sleeve, the outer peripheral face of this tune gap axle sleeve matches with input shaft installation axle hole, and adjusts the outer peripheral face of gap axle sleeve and input shaft installation axle hole coaxially to arrange; Adjust the axle center of the interior axis hole of gap axle sleeve to be eccentric setting with the axle center of the outer peripheral face adjusting gap axle sleeve, and adjust the axis of the interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve; Described input shaft is adjusted in gap axle sleeve on axis hole by rotating being arranged on of bearing, and the interior axis hole of input shaft and tune gap axle sleeve is coaxially arranged.
Because the axle center of the axle center of axis hole in the tune gap axle sleeve of this programme and the outer peripheral face of tune gap axle sleeve is eccentric setting, and the axis of the interior axis hole of gap axle sleeve is adjusted to parallel with the axis of the outer peripheral face adjusting gap axle sleeve; Thus when operator drives tune gap axle sleeve to rotate, line of centers around input shaft installation axle hole rotates by the input shaft in interior axis hole, and then make input shaft drive input finishing bevel gear cuter to leave or take turns near annular output bevel gear, reach regulate input finishing bevel gear cuter and annular output bevel gear take turns between the object of back lash, and the regulative mode of this programme back lash is a kind of step-less adjustment, with adopt increase and decrease adjust pad have level regulate 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 not only easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment precision is high, be conducive to the service life of improving main reducing gear of drive axle, and reduce reducer gear noise, thus be conducive to the service life of improving main reducing gear of drive axle, and reduce gear noise.
As preferably, the outer peripheral face by its outer end on gap axle sleeve is adjusted to be provided with annular mounting plate, annular mounting plate is provided with some oval holes, each oval hole is around adjusting the outer peripheral face circumference of gap axle sleeve uniform, and each oval hole is along adjusting gap axle sleeve circumference extended, 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, input shaft and input finishing bevel gear cuter are formed in one structure, and be provided with self-lubricating device in described input finishing bevel gear cuter, this self-lubricating device comprises the shoe cream room be arranged in input finishing bevel gear cuter and the self-adapting stretching device be arranged in shoe cream room; An oil leab is respectively equipped with between each teeth groove of described input finishing bevel gear cuter and shoe cream room, each oil leab is respectively equipped with oil leab automatic opening-closing, described oil leab comprises oil inlet passage, oil discharge passage and be arranged on the mounting hole of bottom of tooth space of input finishing bevel gear cuter; Described oil leab automatic opening-closing comprises the valve pocket be arranged in mounting hole and the piston body be slidably arranged in valve pocket; The both ends open of described valve pocket, grid barrier is provided with in valve pocket, valve pocket medial surface is provided with the first annular protrusion and the second annular protrusion, first annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, the second annular protrusion is away from mounting hole bottom surface; Piston body, between first and second annular protrusion, in valve pocket, is provided with piston body can be made to be resisted against the first Compress Spring on the first annular protrusion between grid barrier and piston body; Second and third seal ring is provided with between described piston body and mounting hole, annular groove is provided with between seal ring on mounting hole medial surface, second and the 3rd, the oil-through hole of through valve pocket lateral surface is provided with on described valve pocket medial surface, between first and second annular protrusion, oil-through hole is second and the 3rd between seal ring, and the opening of this oil-through hole and annular groove is just to setting; When piston body is resisted against on the first annular protrusion, 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 the first annular protrusion 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 mounting hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the bottom of tooth space at mounting hole place; Described self-adapting stretching device comprises the fixed muffle be arranged in shoe cream room and the slip body be slidably arranged in fixed muffle, and described fixed muffle is fixed on shoe cream room inwall, and one end of fixed muffle is closed, other end opening; Be provided with the first seal ring between described fixed muffle medial surface and slip cap outside, one end of slip body is closed, other end opening, and the open end of slip body is closed towards the end of fixed muffle; Airtight telescopic cavity is formed, blanketing gas in this telescopic cavity between described fixed muffle and slip body; Lubricating oil is filled in described shoe cream room.
The mode of gear lubrication mode many employings external dressing of current main reducing gear of drive axle, add lubricating oil to gear surface to lubricate gear, such as: drip feed lubrication (lubricating oil being dropped to friction in pairs surface), lubrication by atomization (lubricant being splashed to friction in pairs surface), spray 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 train of gears enough not lubricated, then can cause very large damage to gear, reduce the service life of gear wheel shaft.
The self-lubricating device of this programme utilize the coefficient of cubic expansion of gas much larger than lubricating oil coefficient of cubic expansion; At input finishing bevel gear cuter in the course of the work, if there is the reason such as lubricating system fault or lubricating system fluid deficiency, input finishing bevel gear cuter insufficient lubrication is caused, when making input cone pulley tooth temperature raise (such as cone pulley tooth temperature raises tens degree fast) fast; Blanketing gas expanded by heating in this programme telescopic cavity, oil pressure in shoe cream room is increased, thus the lubricating oil in shoe cream room is forced into gullet surface by oil leab, and rotate at input finishing bevel gear cuter and be distributed to gradually in engagement process on the flank of tooth of input finishing bevel gear cuter and output bevel gear wheel, effectively improve the lubricant effect of input tooth surfaces of bevel gears; Thus effectively improve because of reasons such as lubricating system fault or lubricating system fluid deficiencies, make gear lubrication bad, reduce the problem of service life of gear.
In addition, the oil leab automatic opening-closing of this programme structure can not affect self-lubricating device normally work (oil pressure namely in shoe cream room increases, and lubricating oil is forced into gullet surface by oil leab) prerequisite under; Effectively avoid gear in normal operating conditions, the problem that the lubricating oil in shoe cream room flows out by gravity or centrifugal forces affect.
As preferably, input finishing bevel gear cuter is positioned at input shaft end, and described shoe cream room is cylindrical cavity, and shoe cream room and input shaft are coaxially arranged; One end of shoe cream room is past to be extended away from wheel direction of principal axis, and forms port on input finishing bevel gear cuter end face, and is provided with envelope screening end plate in this port, and envelope hides end plate and is provided with zerk.
As preferably, the closed end of fixed muffle is fixed on shoe cream room inwall, and fixed muffle and slip body parallel with the axis of wheel shaft, and the open end of fixed muffle and the envelope spacing hidden between end plate are less than the axial length of fixed muffle; The axial length of described slip body is greater than the axial length of fixed muffle.
The beneficial effects of the utility model are:
One, effectively can improve the damping effect in automobile drive axle working process, and reduces, reduces 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 is high, is conducive to the service life of improving main reducing gear of drive axle, and reduces the feature of gear noise.
Its three, effectively can improve because of reasons such as lubricating system fault or lubricating system fluid are not enough, cause gear lubrication bad, reduce the problem in gear wheel 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 utility model embodiment 1.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Fig. 3 is the local section structural representation at the main reduction gear place of the utility model embodiment 1.
Fig. 4 is a kind of structural representation of the tune gap axle sleeve of the utility model embodiment 1.
Fig. 5 is B direction view in Fig. 4.
Fig. 6 is the input shaft of the utility model embodiment 2 and a kind of structural representation of input finishing bevel gear cuter.
Fig. 7 is the partial enlarged drawing at C place in Fig. 6.
In figure: axle housing 1, derby 1a, input shaft installation axle 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 dodges groove 35, input shaft 4, input finishing bevel gear cuter 6, teeth groove 6a, annular output bevel gear wheel 7, toothholder erecting frame 8, self-lubricating device 9, shoe cream room 91, self-adapting stretching device 92, fixed muffle 92a, slip body 92b, seal plug 92c, telescopic cavity 392d, oil leab 93, oil inlet passage 93a, oil discharge passage 93b, mounting hole 93c, automatic opening-closing 94, envelope hides end plate 95, zerk 95a, valve pocket 97, grid barrier 98, first Compress Spring 99, second seal ring 910, second annular protrusion 911, annular groove 912, 3rd seal ring 913, first annular protrusion 914, piston body 915, oil-through hole 916.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of split type axle housing automobile drive axle, comprises axle housing 1, left half axle housing 2a, right axle shaft housing 2b and main reduction 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 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 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.
Axle housing outside face is welded with 4 derby 1a.
As shown in Fig. 3, Fig. 4, Fig. 5, main reduction gear comprises, input shaft 4, is arranged on the input finishing bevel gear cuter 6 on input shaft, is rotatably arranged on the toothholder erecting frame 8 on axle housing and is arranged on the annular output bevel gear wheel 7 on toothholder erecting frame by bearing.S. A. and the input shaft of toothholder erecting frame are perpendicular.The rotating shaft of annular output bevel gear wheel is coaxial with the rotating shaft of toothholder erecting frame.Input finishing bevel gear cuter is taken turns with annular output bevel gear and is engaged.Axle housing is provided with input shaft installation axle hole 1b.In input shaft installation axle hole, rotating being provided with adjusts gap axle sleeve 3.The outer peripheral face 31 of this tune gap axle sleeve matches with input shaft installation axle hole, and adjusts the outer peripheral face of gap axle sleeve and input shaft installation axle hole coaxially to arrange.The outer peripheral face of gap axle sleeve and the medial surface of input shaft installation axle hole is adjusted to fit.Be provided with the first annular in the middle part of the outer peripheral face of tune gap axle sleeve and dodge groove 35.The medial surface of input shaft installation axle hole is provided with the second annular and dodges groove, and the first annular dodges groove and the second annular dodges groove just to setting.Adjust the axle center of the interior axis hole 34 of gap axle sleeve to be eccentric setting with the axle center of the outer peripheral face 31 adjusting gap axle sleeve, and adjust the axis of the interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve.Input shaft is adjusted in gap axle sleeve on axis hole by rotating being arranged on of bearing, and the interior axis hole of input shaft and tune gap axle sleeve is coaxially arranged.
The outer peripheral face by its outer end on gap axle sleeve is adjusted to be provided with annular mounting plate 32.Annular mounting plate is provided with some oval holes 33.Each oval hole is around adjusting the outer peripheral face circumference of gap axle sleeve uniform, and each oval hole is along adjusting gap axle sleeve circumference extended.Annular mounting plate is resisted against on axle housing lateral surface, and is connected with axle housing through oval hole by bolt.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 6, Figure 7, input shaft to be formed in one structure with input finishing bevel gear cuter.Input finishing bevel gear cuter is positioned at input shaft end.Self-lubricating device 9 is provided with in input finishing bevel gear cuter.This self-lubricating device comprises the shoe cream room 91 be arranged in input finishing bevel gear cuter and the self-adapting stretching device 92 be arranged in shoe cream room.Shoe cream room is positioned in the middle part of input finishing bevel gear cuter.Shoe cream room is cylindrical cavity, and shoe cream room and input shaft are coaxially arranged.One end of shoe cream room extends toward away from input shaft direction, and forms port on input finishing bevel gear cuter end face, and is provided with envelope screening end plate 95 in this port.Envelope hides end plate and is provided with zerk 95a.
Self-adapting stretching device comprises the fixed muffle 92a be arranged in shoe cream room and the slip body 92b be slidably arranged in fixed muffle.Fixed muffle and slip body are cylindrically.Fixed muffle and slip body are made up of the metallic material of good heat conductivity, such as, be made up of copper or copper alloy or aluminum or aluminum alloy material.One end of fixed muffle is closed, other end opening.The closed end of fixed muffle is fixed on shoe cream room inwall, and specifically, the closed end of fixed muffle is fixed on and hides on the relative shoe cream room inner end surface of end plate with sealing.Fixed muffle and slip body parallel with the axis of wheel shaft.The open end of fixed muffle and the envelope spacing hidden between end plate are less than the axial length of fixed muffle.The axial length of slip body is greater than the axial length of fixed muffle.The first seal ring is provided with between fixed muffle medial surface and slip cap outside.One end of slip body is closed, other end opening, and the open end of slip body is closed towards the end of fixed muffle.The outer face of the closed end of slip body is provided with air guide through hole.The seal plug 92c be threaded is provided with in this air guide through hole.Airtight telescopic cavity 92d is formed between fixed muffle and slip body.Blanketing gas in this telescopic cavity; This blanketing gas is air or nitrogen or unreactable gas.Lubricating oil is filled in shoe cream room.
An oil leab is respectively equipped with between each teeth groove 6a of input finishing bevel gear cuter and shoe cream room.Each oil leab is respectively equipped with oil leab automatic opening-closing 94.Oil leab comprises oil inlet passage 93a, oil discharge passage 93b and be arranged on the mounting hole 93c of bottom of tooth space of input finishing bevel gear cuter.
Oil leab automatic opening-closing comprises the valve pocket 97 be arranged in mounting hole and the piston body 915 be slidably arranged in valve pocket.Mounting hole is circular hole.Valve pocket cylindrically.Mounting hole is coaxial with valve pocket.Valve pocket is connected with mounting hole by screw thread.The both ends open of valve pocket.Grid barrier 98 is provided with in valve pocket.Valve pocket medial surface is provided with the first annular protrusion 914 and the second annular protrusion 911.First annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, and the second annular protrusion is away from mounting hole bottom surface.Piston body is between first and second annular protrusion.In valve pocket, be provided with between grid barrier and piston body piston body can be made to be resisted against the first Compress Spring 99 on the first annular protrusion.Second and third seal ring 910,913 is provided with between piston body and mounting hole.Annular groove 912 is provided with between seal ring on mounting hole medial surface, second and the 3rd.The oil-through hole 916 of through valve pocket lateral surface is provided with on valve pocket medial surface, between first and second annular protrusion.Oil-through hole is second and the 3rd between seal ring, and the opening of this oil-through hole and annular groove is just to setting.When piston body is resisted against on the first annular protrusion, 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 the first annular protrusion 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 mounting hole.One end of oil discharge passage communicates with annular groove, and the other end communicates with the bottom of tooth space at mounting hole place.
Claims (8)
1. a split type axle housing automobile drive axle, is characterized in that, comprise axle housing, left half axle housing and right axle shaft housing, and 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.
2. split type axle housing automobile drive axle according to claim 1, it is characterized in that, the left connecting portion of semi-circular shape 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.
3. split type axle housing automobile drive axle according to claim 1, it is characterized in that, the right connecting portion of semi-circular shape 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.
4. split type axle housing automobile drive axle according to claim 1, it is characterized in that, also comprise main reduction gear, this main reduction gear comprises, input shaft, be arranged on the input finishing bevel gear cuter on input shaft, be rotatably arranged on the toothholder erecting frame on axle housing by bearing and be arranged on the annular output bevel gear wheel on toothholder erecting frame; S. A. and the input shaft of described toothholder erecting frame are perpendicular, and described input finishing bevel gear cuter is taken turns with annular output bevel gear and engaged,
Described axle housing is provided with input shaft installation axle hole, and in input shaft installation axle hole, rotating being provided with adjusts gap axle sleeve, and the outer peripheral face of this tune gap axle sleeve matches with input shaft installation axle hole, and adjusts the outer peripheral face of gap axle sleeve and input shaft installation axle hole coaxially to arrange; Adjust the axle center of the interior axis hole of gap axle sleeve to be eccentric setting with the axle center of the outer peripheral face adjusting gap axle sleeve, and adjust the axis of the interior axis hole of gap axle sleeve to parallel with the axis of the outer peripheral face adjusting gap axle sleeve; Described input shaft is adjusted in gap axle sleeve on axis hole by rotating being arranged on of bearing, and the interior axis hole of input shaft and tune gap axle sleeve is coaxially arranged.
5. split type axle housing automobile drive axle according to claim 4, it is characterized in that, outer peripheral face by its outer end on described tune gap axle sleeve is provided with annular mounting plate, annular mounting plate is provided with some oval holes, each oval hole is around adjusting the outer peripheral face circumference of gap axle sleeve uniform, and each oval hole is along adjusting gap axle sleeve circumference extended, annular mounting plate is resisted against on decelerating chassis outside, and is connected with box body of speed reducer through oval hole by bolt.
6. the split type axle housing automobile drive axle according to claim 4 or 5, it is characterized in that, described input shaft to be formed in one structure with input finishing bevel gear cuter, be provided with self-lubricating device in described input finishing bevel gear cuter, this self-lubricating device comprises the shoe cream room be arranged in input finishing bevel gear cuter and the self-adapting stretching device be arranged in shoe cream room; An oil leab is respectively equipped with between each teeth groove of described input finishing bevel gear cuter and shoe cream room, each oil leab is respectively equipped with oil leab automatic opening-closing, described oil leab comprises oil inlet passage, oil discharge passage and be arranged on the mounting hole of bottom of tooth space of input finishing bevel gear cuter; Described oil leab automatic opening-closing comprises the valve pocket be arranged in mounting hole and the piston body be slidably arranged in valve pocket; The both ends open of described valve pocket, grid barrier is provided with in valve pocket, valve pocket medial surface is provided with the first annular protrusion and the second annular protrusion, first annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, the second annular protrusion is away from mounting hole bottom surface; Piston body, between first and second annular protrusion, in valve pocket, is provided with piston body can be made to be resisted against the first Compress Spring on the first annular protrusion between grid barrier and piston body; Second and third seal ring is provided with between described piston body and mounting hole, annular groove is provided with between seal ring on mounting hole medial surface, second and the 3rd, the oil-through hole of through valve pocket lateral surface is provided with on described valve pocket medial surface, between first and second annular protrusion, oil-through hole is second and the 3rd between seal ring, and the opening of this oil-through hole and annular groove is just to setting; When piston body is resisted against on the first annular protrusion, 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 the first annular protrusion 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 mounting hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the bottom of tooth space at mounting hole place;
Described self-adapting stretching device comprises the fixed muffle be arranged in shoe cream room and the slip body be slidably arranged in fixed muffle, and described fixed muffle is fixed on shoe cream room inwall, and one end of fixed muffle is closed, other end opening; Be provided with the first seal ring between described fixed muffle medial surface and slip cap outside, one end of slip body is closed, other end opening, and the open end of slip body is closed towards the end of fixed muffle; Airtight telescopic cavity is formed, blanketing gas in this telescopic cavity between described fixed muffle and slip body; Lubricating oil is filled in described shoe cream room.
7. split type axle housing automobile drive axle according to claim 6, is characterized in that, described input finishing bevel gear cuter is positioned at input shaft end, and described shoe cream room is cylindrical cavity, and shoe cream room and input shaft are coaxially arranged; One end of shoe cream room is past to be extended away from wheel direction of principal axis, and forms port on input finishing bevel gear cuter end face, and is provided with envelope screening end plate in this port, and envelope hides end plate and is provided with zerk.
8. split type axle housing automobile drive axle according to claim 7, it is characterized in that, the closed end of described fixed muffle is fixed on shoe cream room inwall, and fixed muffle and slip body parallel with the axis of wheel shaft, the open end of fixed muffle and the envelope spacing hidden between end plate are less than the axial length of fixed muffle; The axial length of described slip body is greater than the axial length of fixed muffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134029.9U CN204472452U (en) | 2015-03-10 | 2015-03-10 | A kind of split type axle housing automobile drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134029.9U CN204472452U (en) | 2015-03-10 | 2015-03-10 | A kind of split type axle housing automobile drive axle |
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| Publication Number | Publication Date |
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| CN204472452U true CN204472452U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520134029.9U Expired - Fee Related CN204472452U (en) | 2015-03-10 | 2015-03-10 | A kind of split type axle housing automobile drive axle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816585A (en) * | 2015-03-10 | 2015-08-05 | 盐城工学院 | Automobile drive axle with split type axle housing |
| CN107336565A (en) * | 2017-07-04 | 2017-11-10 | 浙江工贸职业技术学院 | A kind of split type axle housing automobile drive axle |
| CN109624611A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
-
2015
- 2015-03-10 CN CN201520134029.9U patent/CN204472452U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816585A (en) * | 2015-03-10 | 2015-08-05 | 盐城工学院 | Automobile drive axle with split type axle housing |
| CN104816585B (en) * | 2015-03-10 | 2016-10-05 | 盐城工学院 | Split type axle housing automobile drive axle |
| CN107336565A (en) * | 2017-07-04 | 2017-11-10 | 浙江工贸职业技术学院 | A kind of split type axle housing automobile drive axle |
| 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 |
| CN109624611A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
| CN109624611B (en) * | 2018-12-04 | 2022-05-13 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
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