CN111231580A - Motor vehicle axle with function of changing stress state - Google Patents
Motor vehicle axle with function of changing stress state Download PDFInfo
- Publication number
- CN111231580A CN111231580A CN202010139202.XA CN202010139202A CN111231580A CN 111231580 A CN111231580 A CN 111231580A CN 202010139202 A CN202010139202 A CN 202010139202A CN 111231580 A CN111231580 A CN 111231580A
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- Prior art keywords
- axle
- stress
- prevention structure
- inclination angle
- sleeve
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- 230000002265 prevention Effects 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 79
- 230000008859 change Effects 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a motor vehicle axle capable of changing stress state, which comprises an axle and a first inclination angle, wherein a first stress prevention structure is arranged at the middle position of the axle, a second stress prevention structure and a third stress prevention structure are respectively arranged at the left side and the right side of the first stress prevention structure, the first inclination angle is arranged on the outer surfaces of the left side and the right side of the axle, an axle seat is arranged at the outer side of the first inclination angle, and a second inclination angle is arranged at the outer side of the axle seat. The first stress prevention structure, the second stress prevention structure and the third stress prevention structure can conveniently protect the middle section of the axle from stress, so that the axle can be prevented from being broken and damaged when being bent and impacted, the service life of the axle can be prolonged, and meanwhile, the stress prevention structure can be disassembled through the connecting bolt, so that the convenience of overhauling the device can be improved, and a maintainer can conveniently explore the damage degree of the axle by disassembling the stress prevention structure.
Description
Technical Field
The invention relates to the technical field of motor vehicle axle devices, in particular to a motor vehicle axle capable of changing stress states.
Background
The axle, which refers to a cylindrical part penetrating into the hub to bear the weight of the vehicle body, may also refer to a vehicle. The axle (also called axle) is connected with the frame (or the bearing type vehicle body) through the suspension, and the two ends are provided with the wheels of the vehicle. Its function is to transmit the acting force in all directions between the vehicle frame (or bearing type vehicle body) and the wheels. Motor vehicles are wheeled vehicles driven or towed by a power plant, driven over a road, used for riding or (and) transporting goods or performing special tasks, and part of amusement facilities (e.g. electric pick-up trucks, electric scooters, electric bicycles, etc.). It can be classified into automobile, train, motorcycle, light motorcycle, tractor transport unit, special wheel-type mechanical vehicle and electric vehicle. Stress refers to an internal force that, when an object is deformed by an external factor (stress, humidity, change in temperature field, etc.), generates an interaction between parts within the object to resist the action of the external factor and attempt to restore the object from a deformed position to a pre-deformed position.
Traditional motor vehicle axletree can't adjust and change the change of stress when using, can make the axletree pull out and the cracked problem of oppression emergence for a long time stress like this to still influence maintainer's work when carrying out the detection maintenance to the axletree, be unfavorable for mainly bearing the problem that the position overhauld and maintained to stress, for this reason, we provide a higher motor vehicle axletree that has the change stress state of practicality.
Disclosure of Invention
The invention aims to provide a motor vehicle axle capable of changing stress state, which solves the problems that the change of stress cannot be adjusted and changed when the traditional motor vehicle axle is used, so that the axle is broken under the condition of long-time stress pulling and pressing, and the work of maintenance personnel is influenced when the axle is detected and maintained, and the main stress bearing part is not easy to overhaul and maintain.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a motor vehicle axletree with change stress state, includes axletree and first angle of inclination, the intermediate position of axletree is provided with first stress prevention structure, and second stress prevention structure and third stress prevention structure are installed respectively to the left and right sides of first stress prevention structure, first angle of inclination sets up in the surface of the left and right sides of axletree, and the outside at first angle of inclination is provided with the axle bed to the outside of axle bed is provided with the second angle of inclination.
Preferably, first stress prevention structure includes axle sleeve, heat dissipation trepanning, connecting bolt, cover arc, lower axle sleeve and screw, and the intermediate position of going up the axle sleeve runs through there is the heat dissipation trepanning to the bottom in heat dissipation trepanning is provided with the cover arc, connecting bolt is all installed in the four corners of going up the axle sleeve, and connecting bolt's bottom is connected with the screw, and the lower extreme of screw is lower axle sleeve.
Preferably, the upper shaft sleeve is in threaded connection with the lower shaft sleeve through a connecting bolt and a screw hole, and the heat dissipation sleeve holes are uniformly arranged at equal intervals along the middle positions of the upper shaft sleeve and the lower shaft sleeve.
Preferably, the upper shaft sleeve and the lower shaft sleeve are attached to the axle through sleeve arcs, and the second stress prevention structure and the third stress prevention structure are symmetrical to each other about a vertical center line of the axle.
Preferably, the first inclination angle is symmetrically arranged about the vertical center line of the axle, the inclination angle of the first inclination angle is X, and the range of X is more than or equal to 15 degrees and less than or equal to 35 degrees.
Preferably, the second inclination angle is symmetrically arranged about the vertical center line of the axle, the inclination angle of the second inclination angle is L, and the range of L is more than or equal to 30 degrees and less than or equal to 45 degrees.
Preferably, the left side and the right side of the joint of the shaft seat and the axle are both provided with sealing ring grooves, and the matching rings are arranged inside the sealing ring grooves.
Preferably, the sealing ring groove is in interference fit with the matching ring, the sealing ring groove is of a convex structure, the depth of the sealing ring groove is H, the depth of the sealing ring groove is not less than 2 and not more than 3mm, the opening width is S, and S is not less than 5 and not more than 8 mm.
Preferably, the outer end face of the shaft seat is provided with a clamping groove, a connecting clamping block is arranged inside the clamping groove, the connecting clamping block and the clamping groove are matched with each other, and four groups of the connecting clamping block and the clamping groove are arranged at equal angles relative to the outer edge of the shaft seat.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the stress protection can be conveniently carried out on the middle section position of the axle through the first stress prevention structure, the second stress prevention structure and the third stress prevention structure, so that the damage of breakage of the axle when the axle is bent and impacted can be avoided, and meanwhile, the service life of the axle can be prolonged.
2. The heat dissipation trepanning arranged in the stress prevention structure can play a role in heat dissipation, so that the influence of thermal stress at the connecting part can be avoided, and meanwhile, the stress prevention structure can be disassembled through the connecting bolt, so that the convenience of overhauling the device can be improved, and the damage degree of the stress prevention structure to the axle can be conveniently explored by a maintenance worker.
3. The stress prevention structure provided by the invention can be tightly attached to the axle through the sleeve arc, so that the stress prevention structure can bear the compressive stress and the tensile stress from the axle, the problem of axle breakage at a stress intersection can be avoided, the safety and the reliability of the axle are improved, and the bending strength of the axle is enhanced.
4. The first inclined angle and the second inclined angle can conveniently disperse the stress generated by the axle when the motor vehicle runs, so that the stress concentration at one point can be avoided, and the stress resistance strength of the axle is effectively improved.
5. The invention can conveniently disperse and bear the stress from two sides of the axle seat through the matching of the sealing ring groove and the matching ring, and can conveniently change the connection relation between the wheel and the axle seat through the clamping between the connecting clamping block and the clamping groove, thereby conveniently reducing the abrasion between the wheel and the axle and greatly improving the practicability of the motor vehicle axle with the changed stress state.
Drawings
FIG. 1 is a schematic view of a prior art axle construction;
FIG. 2 is a schematic view of the overall construction of an improved rear axle of the present invention;
FIG. 3 is a schematic view of a partial structure of the upper surface of the axle seat of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1A;
FIG. 5 is a schematic side view of the upper sleeve of the present invention;
FIG. 6 is a schematic view of the inner end face structure of the lower bushing of the present invention.
In the figure: 1. an axle; 2. a first stress prevention structure; 201. an upper shaft sleeve; 202. a heat dissipation trepanning; 203. a connecting bolt; 204. sleeving an arc; 205. a lower shaft sleeve; 206. a screw hole; 3. a second stress prevention structure; 4. a third stress prevention structure; 5. a first tilt angle; 6. a shaft seat; 7. a second tilt angle; 8. a card slot; 9. connecting a clamping block; 10. sealing the ring groove; 11. and (4) matching the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a vehicle axle capable of changing stress state includes an axle 1, a first stress prevention structure 2, an upper shaft sleeve 201, a heat dissipation sleeve hole 202, a connection bolt 203, a sleeve arc 204, a lower shaft sleeve 205, a screw hole 206, a second stress prevention structure 3, a third stress prevention structure 4, a first tilt angle 5, a shaft seat 6, a second tilt angle 7, a slot 8, a connection block 9, a sealing ring groove 10, and a fitting ring 11, wherein the first stress prevention structure 2 is disposed at a middle position of the axle 1, the second stress prevention structure 3 and the third stress prevention structure 4 are respectively mounted at left and right sides of the first stress prevention structure 2, and the first stress prevention structure 2, the second stress prevention structure 3, and the third stress prevention structure 4 are disposed to facilitate stress protection of a middle position of the axle 1, so as to prevent the axle 1 from bending and impact, the damage of fracture occurs, and the service life of the axle 1 can be prolonged;
the first stress prevention structure 2 comprises an upper shaft sleeve 201, a heat dissipation sleeve hole 202, a connecting bolt 203, a sleeve arc 204, a lower shaft sleeve 205 and a screw hole 206, wherein the heat dissipation sleeve hole 202 penetrates through the middle position of the upper shaft sleeve 201, the sleeve arc 204 is arranged at the bottom end of the heat dissipation sleeve hole 202, the connecting bolt 203 is arranged at each of four corners of the upper shaft sleeve 201, the screw hole 206 is connected to the bottom end of the connecting bolt 203, the lower shaft sleeve 205 is arranged at the lower end of the screw hole 206, the upper shaft sleeve 201 is in threaded connection with the lower shaft sleeve 205 through the connecting bolt 203, the heat dissipation sleeve holes 202 are uniformly arranged at equal intervals along the middle positions of the upper shaft sleeve 201 and the lower shaft sleeve 205, the heat dissipation sleeve hole 202 arranged in the stress prevention structure can play a heat dissipation effect, so that the influence of thermal stress at the connecting part can be avoided, and the stress prevention structure can be disassembled through the connecting bolt 203, so that the convenience, the damage degree of the axle is conveniently explored by a maintenance worker who dismantles the stress prevention structure;
the upper shaft sleeve 201 and the lower shaft sleeve 205 are mutually attached to the axle 1 through the sleeve arc 204, the second stress prevention structure 3 and the third stress prevention structure 4 are mutually symmetrical about the vertical center line of the axle 1, and the arranged stress prevention structures can be tightly attached to the axle 1 through the sleeve arc 204, so that the stress prevention structures can bear compressive stress and tensile stress from the axle 1, the problem that the axle 1 is broken at a stress intersection can be avoided, the safety and the reliability of the axle 1 are improved, and the bending strength of the axle 1 is enhanced;
the first inclination angle 5 is arranged on the outer surfaces of the left side and the right side of the axle 1, the axle seat 6 is arranged on the outer side of the first inclination angle 5, the second inclination angle 7 is arranged on the outer side of the axle seat 6, the first inclination angle 5 is symmetrically arranged relative to the vertical central line of the axle 1, the inclination angle of the first inclination angle 5 is X, the range of X is more than or equal to 15 degrees and less than or equal to 35 degrees, the second inclination angle 7 is symmetrically arranged relative to the vertical central line of the axle 1, the inclination angle of the second inclination angle 7 is L, the range of L is more than or equal to 30 degrees and less than or equal to 45 degrees, and the arranged first inclination angle 5 and the second inclination angle 7 can conveniently disperse the stress generated by the axle 1 when a motor vehicle runs, so that the stress can be prevented from being concentrated on one point;
the left side and the right side of the joint of the shaft seat 6 and the axle 1 are both provided with sealing ring grooves 10, the inside of each sealing ring groove 10 is provided with a matching ring 11, the connection between each sealing ring groove 10 and the corresponding matching ring 11 is in interference fit, the structure of each sealing ring groove 10 is in a convex structure, the depth of each sealing ring groove 10 is H, the depth of each sealing ring groove 10 is 2-3 mm, H is not less than H, the opening width is S, S is not less than 5 mm and not more than 8mm, the outer end surface of the shaft seat 6 is provided with a clamping groove 8, a connecting clamping block 9 is arranged inside each clamping groove 8, the connecting clamping blocks 9 and the clamping grooves 8 are matched with each other, and four groups of the connecting clamping blocks 9 and the clamping; through the cooperation of sealed annular 10 with cooperation ring 11 can conveniently disperse and bear the stress that comes from axle bed 6 both sides to block through connecting between fixture block 9 and the draw-in groove 8 can conveniently change the relation of being connected between wheel and the axle bed 6, so can conveniently reduce the wearing and tearing between wheel and the axletree 1, improved the practicality of this kind of motor vehicle axletree with change stress state greatly.
The working principle is as follows: for the kind of vehicle axle with stress state change, first the first stress prevention structure 2 needs to be installed at the center position of the axle 1, when installing, the sleeve arc 204 of the upper shaft sleeve 201 is tightly attached to the axle 1, then the lower shaft sleeve 205 is matched, the screw holes 206 at the four corners of the lower shaft sleeve 205 and the connecting bolts 203 at the four corners of the upper shaft sleeve 201 are aligned with each other, the connecting bolts 203 are screwed, the connecting bolts 203 can be screwed into the screw holes 206, so that the upper shaft sleeve 201 and the lower shaft sleeve 205 can be tightly installed on the axle 1, and the arranged heat dissipation sleeve holes 202 can play a role of heat dissipation, so that the problem of stress change caused by heat accumulation can be avoided, so that the second stress prevention structure 3 and the third stress prevention structure 4 can be sequentially installed at equal intervals at the proper position, the first inclination angle 5 and the second inclination angle 7 are respectively arranged at the two ends of the axle 1, so as to facilitate the uniform stress dispersion of the top end of, avoid stress concentration on a bit, so can improve the antitorque and compressive capacity of axletree 1, sealed annular 10 sets up the left and right sides at axle bed 6, so can change the stress structure distribution state of 6 departments of axle bed, 11 interference fit of cooperation ring is in the inside of sealed annular 10, so can bear dragging and oppressing of 6 department's stresses of axle bed, the wheel adds draw-in groove 8 and connection fixture block 9 with 6 junctions of axle bed, can improve the fastening nature of being connected between wheel and the axle bed 6, and also can change the stress distribution state of 6 departments of axle bed through draw-in groove 8, make the practicality of the whole motor vehicle axletree that has the change stress state obtain fine improvement, just so accomplish the whole use that has the motor vehicle axletree that changes stress state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A motor vehicle axle with a changing stress state, comprising an axle (1) and a first inclination angle (5), characterized in that: the middle position of axletree (1) is provided with first stress prevention structure (2), and second stress prevention structure (3) and third stress prevention structure (4) are installed respectively to the left and right sides of first stress prevention structure (2), first angle of inclination (5) set up in the surface of the left and right sides of axletree (1), and the outside at first angle of inclination (5) is provided with axle bed (6) to the outside of axle bed (6) is provided with second angle of inclination (7).
2. A vehicle axle having a changing stress state according to claim 1, wherein: first stress prevention structure (2) are including last axle sleeve (201), heat dissipation trepanning (202), connecting bolt (203), cover arc (204), lower axle sleeve (205) and screw (206), and the intermediate position of going up axle sleeve (201) runs through heat dissipation trepanning (202) to the bottom of heat dissipation trepanning (202) is provided with cover arc (204), connecting bolt (203) are all installed to the four corners of going up axle sleeve (201), and the bottom of connecting bolt (203) is connected with screw (206) to the lower extreme of screw (206) is lower axle sleeve (205).
3. A vehicle axle having a changed stress state according to claim 2, wherein: go up axle sleeve (201) and be connected for threaded connection through connecting bolt (203) and screw (206) and lower axle sleeve (205) between, and heat dissipation trepanning (202) evenly set up along the intermediate position equidistance of last axle sleeve (201) and lower axle sleeve (205).
4. A vehicle axle having a changed stress state according to claim 2, wherein: the upper shaft sleeve (201) and the lower shaft sleeve (205) are attached to the axle (1) through a sleeve arc (204), and the second stress prevention structure (3) and the third stress prevention structure (4) are symmetrical to each other about a vertical center line of the axle (1).
5. A vehicle axle having a changing stress state according to claim 1, wherein: the first inclination angle (5) is symmetrically arranged relative to the vertical center line of the axle (1), the inclination angle of the first inclination angle (5) is X, and the range of X is more than or equal to 15 degrees and less than or equal to 35 degrees.
6. A vehicle axle having a changing stress state according to claim 1, wherein: the second inclination angle (7) is symmetrically arranged relative to the vertical center line of the axle (1), the inclination angle of the second inclination angle (7) is L, and the range of L is more than or equal to 30 degrees and less than or equal to 45 degrees.
7. A vehicle axle having a changing stress state according to claim 1, wherein: sealing ring grooves (10) are formed in the left side and the right side of the joint of the shaft seat (6) and the axle (1), and matching rings (11) are installed inside the sealing ring grooves (10).
8. A vehicle axle having a changed stress state according to claim 7, wherein: the sealing ring groove (10) is in interference fit with the matching ring (11), the sealing ring groove (10) is of a convex structure, the depth of the sealing ring groove (10) is H, the depth of the sealing ring groove (10) is not less than 2 and not more than 3mm of H, the opening width is S, and the opening width is not less than 5 and not more than 8mm of S.
9. A vehicle axle having a changing stress state according to claim 1, wherein: the outer end face of axle bed (6) has seted up draw-in groove (8), and the internally mounted of draw-in groove (8) has connection fixture block (9) to mutually support between connection fixture block (9) and draw-in groove (8), connect fixture block (9) and draw-in groove (8) simultaneously and be provided with four groups about the outer edges of axle bed (6) equal angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139202.XA CN111231580A (en) | 2020-03-03 | 2020-03-03 | Motor vehicle axle with function of changing stress state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139202.XA CN111231580A (en) | 2020-03-03 | 2020-03-03 | Motor vehicle axle with function of changing stress state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111231580A true CN111231580A (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010139202.XA Pending CN111231580A (en) | 2020-03-03 | 2020-03-03 | Motor vehicle axle with function of changing stress state |
Country Status (1)
| Country | Link |
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| CN (1) | CN111231580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373241A (en) * | 2020-10-26 | 2021-02-19 | 浙江农业商贸职业学院 | Auxiliary replacing mechanism for damaged automobile axle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3668918A (en) * | 1968-10-23 | 1972-06-13 | Benteler Werke Ag | Method for manufacturing shafts for vehicles |
| US5518302A (en) * | 1992-10-14 | 1996-05-21 | Ruote O.Z. S.P.A. | Wheel assembly for motor vehicles comprising at least one bushing for positioning the wheel on axles having various diameters |
| US6863462B1 (en) * | 2003-06-13 | 2005-03-08 | Snow Family Trust | Apparatus for optimizing the stiffness of an axle |
| US20120080862A1 (en) * | 2010-09-30 | 2012-04-05 | Hendrickson Usa, L.L.C. | Heavy-duty axle-to-beam connection |
| CN203427535U (en) * | 2013-07-18 | 2014-02-12 | 广州市特耐得车轴有限公司 | Axle clamp plate |
| DE202019102706U1 (en) * | 2018-09-30 | 2019-05-22 | Shenzhen RideTech Electronics Co., Ltd. | A mechanism of the rotating shaft for the electric self-balancing scooter |
-
2020
- 2020-03-03 CN CN202010139202.XA patent/CN111231580A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3668918A (en) * | 1968-10-23 | 1972-06-13 | Benteler Werke Ag | Method for manufacturing shafts for vehicles |
| GB1291264A (en) * | 1968-10-23 | 1972-10-04 | Benteler Werke Ag | A process for the manufacture of an axle for a motor vehicle |
| US5518302A (en) * | 1992-10-14 | 1996-05-21 | Ruote O.Z. S.P.A. | Wheel assembly for motor vehicles comprising at least one bushing for positioning the wheel on axles having various diameters |
| US6863462B1 (en) * | 2003-06-13 | 2005-03-08 | Snow Family Trust | Apparatus for optimizing the stiffness of an axle |
| US20120080862A1 (en) * | 2010-09-30 | 2012-04-05 | Hendrickson Usa, L.L.C. | Heavy-duty axle-to-beam connection |
| CN203427535U (en) * | 2013-07-18 | 2014-02-12 | 广州市特耐得车轴有限公司 | Axle clamp plate |
| DE202019102706U1 (en) * | 2018-09-30 | 2019-05-22 | Shenzhen RideTech Electronics Co., Ltd. | A mechanism of the rotating shaft for the electric self-balancing scooter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373241A (en) * | 2020-10-26 | 2021-02-19 | 浙江农业商贸职业学院 | Auxiliary replacing mechanism for damaged automobile axle |
| CN112373241B (en) * | 2020-10-26 | 2022-02-01 | 浙江农业商贸职业学院 | Auxiliary replacing mechanism for damaged automobile axle |
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Application publication date: 20200605 |