CN112211994A - Automobile with a detachable front cover - Google Patents
Automobile with a detachable front cover Download PDFInfo
- Publication number
- CN112211994A CN112211994A CN202011083676.3A CN202011083676A CN112211994A CN 112211994 A CN112211994 A CN 112211994A CN 202011083676 A CN202011083676 A CN 202011083676A CN 112211994 A CN112211994 A CN 112211994A
- Authority
- CN
- China
- Prior art keywords
- heat shield
- shell
- boss
- oil duct
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/03—Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides an automobile which comprises a main speed reducer and an engine, wherein the main speed reducer comprises a shell and a heat insulation cover, and the heat insulation cover is fixedly connected with the shell; a first oil duct and a second oil duct are arranged at the first end of the shell, and the first oil duct and the second oil duct are arranged on the outer side wall of the shell at intervals along the circumferential direction; the heat shield is located between the exhaust end of the engine and the shell, one end of the heat shield is fixedly connected with the first oil duct, and the other end of the heat shield is fixedly connected with the second oil duct. The embodiment of the invention improves the safety of the automobile.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an automobile.
Background
An Off-Road Vehicle (ORV) is a Vehicle designed for Off-Road use, and mainly refers to an Off-Road Vehicle that can be used on rough terrain. At present, a front axle system of the cross-country vehicle usually adopts a disconnected drive axle matched independent suspension structure, and a front main reducing part usually consists of a main speed reducer, a half-axle sleeve assembly and the like; the main reducer comprises a main reducer shell, a driving gear, a driven gear, a differential mechanism, a bearing and other parts. In the working process, the driving gear and the driven gear are meshed to rotate to transmit torque, the differential mechanism realizes left and right differential speed, a proper amount of gear oil is added into the assembly for lubrication, and an oil seal is arranged to ensure high-speed rotary sealing.
Due to the space arrangement limitation of the front cabin, the clearance between the main speed reducer and the exhaust front end of the engine cannot meet the proper requirement under the normal condition. In the arrangement condition of the main speed reducer, a drive axle is generally influenced by radiation to a certain degree in the working process, and the sealing performance of the drive axle is obviously reduced for a vehicle type with small clearance; for extreme conditions, the front axle generates heat obviously and is subjected to large heat radiation of the exhaust front end, so that the temperature increase in the main speed reducer is aggravated, the lubricating oil is easy to lose efficacy quickly, the lubrication is poor, the sealing effect of the oil seal is reduced or damaged, the service life of the bearing is reduced or the bearing is ablated, and the like. Therefore, the safety of the existing off-road vehicle is low.
Disclosure of Invention
The embodiment of the invention provides an automobile, which aims to solve the problem of low safety of the existing off-road automobile.
The embodiment of the invention provides an automobile, which comprises a main speed reducer and an engine, wherein the main speed reducer comprises a shell and a heat insulation cover, and the heat insulation cover is fixedly connected with the shell;
a first oil duct and a second oil duct are arranged at the first end of the shell, and the first oil duct and the second oil duct are arranged on the outer side wall of the shell at intervals along the circumferential direction;
the heat shield is located between the exhaust end of the engine and the shell, one end of the heat shield is fixedly connected with the first oil duct, and the other end of the heat shield is fixedly connected with the second oil duct.
Optionally, the first end of the housing is disposed in a truncated cone shape, and a central angle between the first oil passage and the second oil passage at a side close to the heat shield is 160 ° to 200 °.
Optionally, the first oil duct is kept away from one side of the shell extends outwards to form a first boss, the second oil duct is kept away from one side of the shell extends outwards to form a second boss, threaded holes are formed in the first boss and the second boss, and two ends of the heat shield are fixedly connected with the first boss and the second boss through bolts respectively.
Optionally, the heat shield is an arc-shaped piece adapted to the front end of the housing, a first flanging is arranged at one end of the heat shield close to the first oil duct, and a second flanging is arranged at one end of the heat shield close to the second oil duct;
the first flanging and the second flanging are both provided with mounting holes, the bolt penetrates through the mounting holes and the threaded hole, the first flanging is fixedly attached to the first boss, and the second flanging is fixedly attached to the second boss.
Optionally, a gap exists between the heat shield and the housing.
Optionally, a plurality of reinforcing ribs are arranged on the heat shield.
Optionally, the plurality of reinforcing ribs are arranged in a staggered manner along a first direction and a second direction, the first direction is parallel to the circumferential direction of the front end of the shell, and the second direction is perpendicular to the first direction.
Optionally, the heat shield is made of a heat insulating aluminum profile.
According to the embodiment of the invention, the heat insulation cover is arranged between the exhaust end of the engine and the shell of the main speed reducer, and the two ends of the heat insulation cover are respectively and fixedly connected with the first oil duct and the second oil duct which are arranged on the outer side wall of the shell at intervals along the circumferential direction, so that the high-temperature environment at the front end of the exhaust can be effectively isolated, the conditions of failure of lubricating oil, poor lubrication, reduction or damage of the sealing effect of an oil seal, reduction of the service life of a bearing or ablation of the bearing and the like in the main speed reducer are avoided, and the safety of.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a final drive provided in an embodiment of the present invention;
FIG. 2 is an exploded schematic view of a final drive provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat shield according to an embodiment of the present invention.
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 some, not all, embodiments of the present invention. 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.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 3, an embodiment of the present invention provides an automobile, where the automobile includes a final drive and an engine, the final drive includes a casing 100 and a heat shield 200, and the heat shield 200 is fixedly connected to the casing 100;
a first oil channel 101 and a second oil channel 102 are arranged at a first end of the shell 100, and the first oil channel 101 and the second oil channel 102 are circumferentially arranged on the outer side wall of the shell 100 at intervals;
the heat shield 200 is located between the exhaust end of the engine and the casing 100, and one end of the heat shield 200 is fixedly connected to the first oil passage 101, and the other end is fixedly connected to the second oil passage 102.
In an embodiment of the present invention, the vehicle may be an off-road vehicle, which may include a transaxle structure. The drive axle structure mainly comprises a main speed reducer, a differential mechanism and the like. In this structural arrangement, the exhaust end of the engine is generally disposed above the housing 100 of the final drive. Therefore, the heat shield 200 may be correspondingly disposed between the casing 100 and the exhaust end of the engine, entirely covers the front end of the main reducer casing 100, such as oil seals and bearings, and extends to the maximum extent to increase the heat insulation area, thereby isolating the high temperature at the exhaust end of the engine and preventing the main reducer from malfunctioning due to high temperature.
Specifically, since the space inside the automobile is small, in order to increase the space utilization, both ends of the heat shield 200 may be fixedly connected to the first oil passage 101 and the second oil passage 102, which are circumferentially spaced apart from each other and disposed on the outer side wall of the housing 100. In other words, the heat shield 200 may be located between the first oil passage 101 and the second oil passage 102, so that the distance between the heat shield 200 and the exhaust end of the engine may be increased when the heat shield is disposed, thereby improving the efficiency of heat dissipation. The first oil passage 101 and the second oil passage 102 may be an oil inlet passage and an oil outlet passage of the final drive unit, respectively.
It should be understood that the connection manner between the heat shield 200 and the first oil passage 101 and the second oil passage 102 may be set according to actual needs. In an embodiment, the heat shield 200 may be fixedly connected to the first oil passage 101 and the second oil passage 102 by bolts. In another embodiment, the heat shield 200 may be fixedly connected to the first oil channel 101 and the second oil channel 102 by welding.
According to the embodiment of the invention, the heat insulation cover 200 is arranged between the exhaust end of the engine and the shell 100 of the main speed reducer, and two ends of the heat insulation cover 200 are respectively and fixedly connected with the first oil duct 101 and the second oil duct 102 which are arranged on the outer side wall of the shell 100 at intervals along the circumferential direction, so that the high-temperature environment at the front end of the exhaust can be effectively isolated, the conditions of failure of lubricating oil, poor lubrication, reduction or damage of the sealing effect of an oil seal, reduction of the service life of a bearing, ablation of the bearing and the like in the main speed reducer are avoided, and the safety of an.
Further, the first end of the housing 100 may be disposed in a truncated cone shape. In order to further increase the clearance between the heat shield 200 and the exhaust end of the engine, the area of the heat shield 200 is increased. A central angle between the first oil passage 101 and the second oil passage 102 on the side closer to the heat shield 200 may be 160 ° to 200 °, and preferably 180 °.
It is understood that, in the embodiment of the present invention, the central angle of the first oil passage 101 and the second oil passage 102 on the side close to the heat shield 200 may be 160 ° to 200 °, and the area of the first end of the housing 100 between the first oil passage 101 and the second oil passage 102 is relatively large, so that the heat shield 200 having a relatively large area may be provided, and the heat shield area may be increased. Meanwhile, since the first oil passage 101 and the second oil passage 102 are substantially symmetrically disposed, the distance between the first oil passage 101 and the second oil passage 102 and the exhaust end of the engine may be increased. Since the heat shield 200 is disposed between the first oil passage 101 and the second oil passage 102, a gap between the heat shield 200 and an exhaust end of the engine may be increased, thereby improving heat dissipation efficiency.
Further, referring to fig. 1 to 2, in order to facilitate that the heat shield 200 is fixedly connected to the first oil passage 101 and the second oil passage 102, in an embodiment of the present invention, a side of the first oil passage 101 away from the casing 100 may extend outward to form a first boss 1011, a side of the second oil passage 102 away from the casing 100 may extend outward to form a second boss 1021, both the first boss 1011 and the second boss 1021 are provided with threaded holes, and both ends of the heat shield 200 are fixedly connected to the first boss 1011 and the second boss 1021 through bolts.
In order to improve the heat insulation effect and increase the heat insulation area, the heat shield 200 may be an arc-shaped member adapted to the front end of the housing 100. Accordingly, one end of the heat shield 200 near the first oil passage 101 may be provided with a first burring 201, and one end of the heat shield 200 near the second oil passage 102 may be provided with a second burring 202.
The first flanging 201 and the second flanging 202 can be provided with mounting holes, and bolts penetrate through the mounting holes and the threaded holes to attach and fix the first flanging 201 and the first boss 1011 and attach and fix the second flanging 202 and the second boss 1021.
In the embodiment of the present invention, the heat shield 200 is provided with the flanges at two ends, and the first boss 1011 and the second boss 1021 are respectively provided at the first oil passage 101 and the second oil passage 102, so that the heat shield 200 adapted to the first end of the casing 100 is fixed between the first oil passage 101 and the second oil passage 102 by bolts.
Further, in order to improve the heat dissipation efficiency of the first end of the casing 100, a gap is formed between the heat shield 200 and the casing 100, and the gap is preferably 3mm to 5 mm.
Optionally, referring to fig. 3, in order to improve the overall strength of the heat shield 200, a plurality of ribs 203 may be provided on the heat shield 200.
Specifically, the plurality of ribs 203 may be alternately arranged in a first direction parallel to a circumferential direction of the front end of the housing 100 and in a second direction perpendicular to the first direction.
In an embodiment of the present invention, if the first end of the housing 100 is disposed in a circular truncated cone shape, the first direction may be a generatrix direction of the circular truncated cone shape, and the second direction may be a circumferential direction of the circular truncated cone shape. By arranging the reinforcing ribs 203 which are staggered transversely and longitudinally, the overall strength of the heat shield 200 can be further improved, and the heat shield 200 is prevented from being damaged due to bumping.
Alternatively, the heat shield 200 may be made of a heat insulating aluminum profile. In the embodiment of the present invention, it may be a heat insulating aluminum plate, so that the mass of the heat shield 200 may be reduced while the heat insulating effect is ensured. Of course, in other embodiments, the heat shield 200 is made of other high temperature resistant materials such as resin or alloy materials.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An automobile comprises a main speed reducer and an engine, and is characterized in that the main speed reducer comprises a shell and a heat shield, and the heat shield is fixedly connected with the shell;
a first oil duct and a second oil duct are arranged at the first end of the shell, and the first oil duct and the second oil duct are arranged on the outer side wall of the shell at intervals along the circumferential direction;
the heat shield is located between the exhaust end of the engine and the shell, one end of the heat shield is fixedly connected with the first oil duct, and the other end of the heat shield is fixedly connected with the second oil duct.
2. The automobile of claim 1, wherein the first end of the housing is disposed in a truncated cone shape, and a central angle between the first oil passage and the second oil passage on a side close to the heat shield is 160 ° to 200 °.
3. The automobile according to claim 1, wherein a side of the first oil passage away from the shell extends outwards to form a first boss, a side of the second oil passage away from the shell extends outwards to form a second boss, the first boss and the second boss are both provided with threaded holes, and two ends of the heat shield are fixedly connected with the first boss and the second boss through bolts respectively.
4. The automobile according to claim 3, wherein the heat shield is an arc-shaped piece matched with the front end of the shell, a first flanging is arranged at one end, close to the first oil duct, of the heat shield, and a second flanging is arranged at one end, close to the second oil duct, of the heat shield;
the first flanging and the second flanging are both provided with mounting holes, the bolt penetrates through the mounting holes and the threaded hole, the first flanging is fixedly attached to the first boss, and the second flanging is fixedly attached to the second boss.
5. The vehicle of claim 1, wherein a gap exists between the heat shield and the housing.
6. The vehicle of claim 1, wherein a plurality of ribs are provided on the heat shield.
7. The automobile of claim 6, wherein the plurality of ribs are arranged in a staggered manner in a first direction parallel to a circumferential direction of the front end of the housing and in a second direction perpendicular to the first direction.
8. The automobile of claim 1, wherein the heat shield is made of a heat insulating aluminum profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011083676.3A CN112211994B (en) | 2020-10-12 | 2020-10-12 | Automobile with a detachable front cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011083676.3A CN112211994B (en) | 2020-10-12 | 2020-10-12 | Automobile with a detachable front cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112211994A true CN112211994A (en) | 2021-01-12 |
| CN112211994B CN112211994B (en) | 2022-03-15 |
Family
ID=74054493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011083676.3A Active CN112211994B (en) | 2020-10-12 | 2020-10-12 | Automobile with a detachable front cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112211994B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060277864A1 (en) * | 2005-02-11 | 2006-12-14 | Dieter Hofmann | Structural component, in particular a lubricating component |
| JP2008184138A (en) * | 2007-01-31 | 2008-08-14 | Nsk Ltd | Heat insulation board for electrically-operated power steering device |
| CN104179949A (en) * | 2014-09-03 | 2014-12-03 | 潘树东 | Hollow structure reducer box protection cover |
| CN204472450U (en) * | 2015-01-26 | 2015-07-15 | 北京汽车股份有限公司 | A kind of axle tube heat baffle and automobile |
| CN209756774U (en) * | 2018-11-29 | 2019-12-10 | 上海姿琳汽车配件有限公司 | Automobile heat shield |
| CN210686128U (en) * | 2019-09-19 | 2020-06-05 | 观致汽车有限公司 | Heat shield for vehicle power assembly and vehicle power assembly |
-
2020
- 2020-10-12 CN CN202011083676.3A patent/CN112211994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060277864A1 (en) * | 2005-02-11 | 2006-12-14 | Dieter Hofmann | Structural component, in particular a lubricating component |
| JP2008184138A (en) * | 2007-01-31 | 2008-08-14 | Nsk Ltd | Heat insulation board for electrically-operated power steering device |
| CN104179949A (en) * | 2014-09-03 | 2014-12-03 | 潘树东 | Hollow structure reducer box protection cover |
| CN204472450U (en) * | 2015-01-26 | 2015-07-15 | 北京汽车股份有限公司 | A kind of axle tube heat baffle and automobile |
| CN209756774U (en) * | 2018-11-29 | 2019-12-10 | 上海姿琳汽车配件有限公司 | Automobile heat shield |
| CN210686128U (en) * | 2019-09-19 | 2020-06-05 | 观致汽车有限公司 | Heat shield for vehicle power assembly and vehicle power assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112211994B (en) | 2022-03-15 |
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