WO2011013554A1 - 車両用振動源取付構造 - Google Patents
車両用振動源取付構造 Download PDFInfo
- Publication number
- WO2011013554A1 WO2011013554A1 PCT/JP2010/062245 JP2010062245W WO2011013554A1 WO 2011013554 A1 WO2011013554 A1 WO 2011013554A1 JP 2010062245 W JP2010062245 W JP 2010062245W WO 2011013554 A1 WO2011013554 A1 WO 2011013554A1
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- WIPO (PCT)
- Prior art keywords
- frame
- sub
- vibration
- fitting hole
- vibration source
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/103—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by method of assembly, production or treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
Definitions
- the present invention relates to a vibration source mounting structure for mounting a vibration source on a sub frame of a vehicle.
- the vibration control device absorbs vibration generated by a vibration source such as an engine to prevent the vibration from being transmitted to the sub-frame.
- a vibration source mounting structure is known, for example, as proposed in Patent Document 1.
- the vibration source mounting structure disclosed in Patent Document 1 includes a vehicle body frame extending in the front-rear direction of the vehicle body, a sub frame disposed below the vehicle body frame, and an engine mounted on the sub frame via an antivibration device. And have.
- the anti-vibration device is mounted on the sub-frame by mounting the flange (engine mount bracket) of the anti-vibration device on the mounting base provided on the sub-frame and bolting the flange to the mounting base.
- the vibration transmitted from the sub frame to the vehicle body frame is transmitted to the vehicle interior. In order to enhance the riding comfort and comfort of the occupant, it is preferable to minimize the vibration and noise transmitted to the vehicle interior.
- An object of the present invention is to provide a technique capable of enhancing the workability of maintaining a vibration isolation device and suppressing resonance and vibration amplification of a subframe and the periphery thereof.
- a vehicle body frame a sub-frame disposed below the vehicle body frame, and attached to the vehicle body frame, and an engine or the like attached via the anti-vibration device on the sub-frame
- a vibration source mounting structure including a vibration source, wherein the vibration damping device includes a first mounting portion attached to the vibration source, a second mounting portion attached to the sub frame, and the first and second mounting portions.
- An elastic body for connecting between the attachment parts, the sub-frame has a fitting hole formed in the vertical direction of the sub-frame, and the second attaching part is the fitting hole
- a vibration source mounting structure is provided which is mounted by means of a removable press-fit.
- the second mounting portion has a positioning stopper for positioning in the press-fitting direction with respect to the sub-frame when press-fitting into the fitting hole.
- the sub-frame has a removable retaining stopper for retaining the second mounting portion press-fitted into the fitting hole in the direction opposite to the press-fitting direction. .
- the second mounting portion for mounting to the sub frame is mounted by press fitting that can be removed from the top or the bottom with respect to the fitting hole formed in the vertical direction of the sub frame. .
- the sub-frame for the vehicle body frame of the maintenance work for maintenance, inspection and replacement of the vibration control device It requires less man-hours to carry out the desorption work. As a result, it is possible to improve the workability of maintaining the vibration isolation device.
- the sub-frame since only the second mounting portion is directly attached to the fitting hole of the sub-frame by press fitting, the sub-frame does not need a mounting base for mounting the anti-vibration device. Further, the second mounting portion does not require a flange (vibration source mount bracket) for mounting to the mounting base by bolting. The weight reduction of a sub-frame and an antivibration device can be achieved by that much.
- the positioning stopper contacts the sub-frame.
- the second mounting portion is positioned in the press-fitting direction with respect to the sub-frame.
- the operator does not have to pay attention to the position in the press-fitting direction with respect to the sub-frame when the second mounting portion is press-fitted into the fitting hole. For this reason, the workability of maintaining the vibration isolation device can be further enhanced.
- the retaining stopper prevents the second attachment portion from coming off the fitting hole in the direction opposite to the press-fitting direction. For this reason, the second attachment portion does not come out of the fitting hole due to the vibration generated by the vibration source or the vibration during the traveling of the vehicle.
- the attachment of the vibration isolator to the sub-frame can be maintained for a much longer period of time.
- FIG. 1 is a perspective view of a front portion of a vehicle provided with a vibration damping device according to a first embodiment. It is a perspective view of the vibration isolator shown by FIG. FIG. 3 is an enlarged cross-sectional view taken along line 3-3 of FIG. 2; It is sectional drawing of the anti-vibration apparatus periphery by Example 2 of this invention.
- the front portion of the vehicle body 11 in the vehicle 10 includes a vehicle body frame 20 and a sub-frame 30 attached to the front portion of the vehicle body frame 20.
- the front portion of the vehicle body frame 20 extends to the front and rear of the vehicle body in the vehicle width direction outside and above the front side frames 21 and 21 of the left and right front side frames 21 and 21 extending to the front and rear of the vehicle on both sides Left and right upper frames 22, 22; left and right damper housings 23, 23 bridged between the front side frames 21, 21 and the upper frames 22, 22; front portions of the left and right front side frames 21, 21; A front bulkhead 24 is connected to the front of the left and right upper frames 22.
- the body front is a monocoque body.
- Such a body frame 20 includes front portions of left and right front side frames 21 and 21 and front end portions of left and right floor frames 25 and 25 (shown only on the left side) extending rearward from rear ends of the front side frames 21 and 21.
- the sub-frame 30 is suspended via four front and rear, left and right anti-vibration elastic bushes (not shown). That is, the sub-frame 30 is attached to be suspended from the vehicle body frame 20.
- the sub-frame 30 is a substantially square frame in plan view.
- a vertically mounted engine 41 (power source 41) is mounted on the front half of the sub frame 30, and a transmission 42 is mounted on the rear half.
- the engine 41 and the transmission 42 are mounted on the sub frame 30 via a plurality of vibration isolation devices 50 (only one is shown in the figure).
- the engine 41 and the transmission 42 are a type of vibration source.
- a mount 30 a for mounting the vibration isolation device 50 is integrally formed on the side of the sub-frame 30. Since the mounting base 30a is a part of the sub-frame 30, the mounting sub-frame 30 includes the mounting base 30a in the following description.
- the vibration isolation device 50 is attached to the mounting base 30a.
- An engine bracket 41 a of the engine 41 is attached to an upper end portion of the vibration damping device 50.
- the engine bracket 41a is integrally formed with the engine 41 or attached as a separate member.
- the engine 41 includes the engine bracket 41a.
- the anti-vibration device 50 includes a first attachment portion 51 attached to the engine 41, a second attachment portion 52 attached to the sub frame 30, and the first and second attachment portions 51 and 52. And an elastic body 53 connecting the two.
- the first and second attachment portions 51 and 52 and the elastic body 53 are arranged on the vertical axis CL (center) of the vibration damping device 50.
- the first attachment portion 51 is attached to an engine bracket 41 a of the engine 41.
- the second attachment portion 52 is a cylindrical member in which the elastic body 53 is connected.
- the first and second attachment portions 51 and 52 are made of a metal material such as a steel material or an aluminum alloy material.
- the elastic body 53 is a rubber block that absorbs the vibration transmitted between the first attachment portion 51 and the second attachment portion 52 by elastic deformation, and is formed in a generally open lower cup shape.
- a liquid seal structure 60 is provided in a space formed in the lower part of the vibration damping device 50 by the second attachment portion 52 and the elastic body 53.
- the liquid sealing structure 60 may have a known configuration, and an example thereof is as follows. That is, the liquid seal structure 60 includes the diaphragm 61 closing the opening at the lower end of the second mounting portion 52, the liquid chamber 62 partitioned by the elastic body 53 and the diaphragm 61, and the liquid chamber 62 as the main liquid chamber on the elastic body 53 side.
- the partition member 63 divides the upper and lower two chambers 62a and 62b on the side of the diaphragm 61, the orifice passage 64 provided in the partition member 63 to communicate the main liquid chamber 62a and the sub liquid chamber 62b, and the partition member 63. It comprises an elastic movable thin film 65 which is provided to absorb fluid pressure fluctuation.
- the main fluid chamber 62a and the sub fluid chamber 62b enclose the working fluid Lq.
- the sub-frame 30 has a fitting hole 31 at the position where the anti-vibration device 50 is attached.
- the fitting hole 31 penetrates in the vertical direction of the sub-frame 30.
- the fitting hole 31 includes a large diameter hole 31 a formed on the lower side of the sub frame 30 and a small diameter hole 31 b formed on the upper side of the sub frame 30.
- the diameter of the large diameter hole 31a is larger than the diameter of the small diameter hole 31b.
- the stepped portion 31c is provided at the boundary between the large diameter hole 31a and the small diameter hole 31b.
- the stepped portion 31c is referred to as "positioning stepped portion 31c".
- the positioning step portion 31 c determines the insertion depth of the second attachment portion 52.
- the position (depth) of the positioning step portion 31 c with respect to the lower surface 32 of the sub-frame 30 is set in advance.
- the second attachment portion 52 is attached to the fitting hole 31 by a removable press-fit. Specifically, the second attachment portion 52 is press-fit into the large diameter hole 31 a in the fitting hole 31 from the lower side of the sub frame 30.
- “mounted by removable press-fitting” means that the second mounting portion 52 is attached to the fitting hole 31 by using a tool, and the fitting is such that removal is possible. That is, in the vibration degree transmitted to the sub-frame 30 from the outside, the second attachment portion 52 does not drop out of the fitting hole 31 and is fit enough to be self-held.
- the load for attaching the second mounting portion 52 to the fitting hole 31 by press-fitting is a load to such an extent that the second mounting portion 52 can be removed from the fitting hole 31.
- the second attachment portion 52 has a positioning stopper 52a at the upper end.
- the positioning stopper 52 a positions the press-fitting direction (upward direction) with respect to the sub-frame 30 when the second mounting portion 52 is press-fitted into the fitting hole 31.
- the upper edge of the second mounting portion 52 Integrally formed.
- the sub-frame 30 has a cover 35 which can close the lower opening of the fitting hole 31 and the entire lower end of the vibration control device 50.
- the cover 35 is a substantially dish shaped member removably attached to the lower surface 32 of the sub-frame 30 by a plurality of bolts 36.
- the inner surface of the cover 35 attached to the sub-frame 30 is close to the lower end of the second mounting portion 52.
- Such a cover 35 prevents the second attachment portion 52 press-fitted into the fitting hole 31 from coming off in the direction (downward direction) opposite to the press-fitting direction.
- the retaining stopper 35 prevents the second attachment portion 52 from coming out of the fitting hole 31 in the direction opposite to the press-fitting direction. For this reason, the second attachment portion 52 does not come out of the fitting hole 31 due to the vibration generated by the engine 41 and the vibration during traveling of the vehicle 10. Therefore, the attachment state of the vibration isolation device 50 to the sub-frame 30 can be maintained for an even longer time.
- the first attachment portion 51 protrudes above the sub-frame 30, and one end portion of the stud bolt 54 is embedded in the upper end surface thereof.
- the stud bolt 54 is located on the axial center CL of the antivibration device 50 and extends upward.
- the engine 41 (more specifically, the engine bracket 41 a) superimposed on the first attachment portion 51 is removably attached to the first attachment portion 51 by the stud bolt 54 and the nut 55.
- the member 38 represented by an imaginary line is a lateral movement stopper for the first mounting portion 51.
- the lateral shake stopper 38 regulates the amount of displacement of the first mounting portion 51 in the horizontal direction at the time of rapid acceleration or rapid deceleration of the vehicle 10 (FIG. 1). It is attached.
- the sub-frame 30 is in a state in which the engine 41 is mounted via the vibration control device 50.
- the nut 55 is removed from the stud bolt 54 and the lateral shake stopper 38 is removed from the sub-frame 30.
- the retaining stopper 35 is removed from the sub-frame 30.
- the second attachment portion 52 is pulled downward from the fitting hole 31. As a result, the vibration isolation device 50 can be removed from the fitting hole 31.
- the vibration isolation device 50 is subjected to maintenance and inspection, and then returned to the fitting hole 31 again or replaced with a new vibration isolation device 50.
- the vibration damping device 50 is inserted into the fitting hole 31 from under the sub-frame 30, and the second mounting portion 52 is press-fit into the large diameter hole 31a.
- the positioning stopper 52a is in contact with the positioning step portion 31c of the sub-frame 30.
- the second mounting portion 52 is positioned in the press-fitting direction with respect to the sub-frame 30.
- the operator does not have to pay attention to the position in the press-fitting direction with respect to the sub-frame 30 when the second mounting portion 52 is press-fitted into the fitting hole 31. For this reason, the workability of maintaining the vibration isolation device 50 can be further enhanced.
- the position of the engine 41 is unchanged and has not changed. Therefore, when the second mounting portion 52 is positioned in the press-fitting direction with respect to the sub-frame 30, the upper end portion of the stud bolt 54 is fitted in the bolt hole of the engine bracket 41a.
- the swing-out stopper 38 is attached to the sub-frame 30 and the engine bracket 41 a is attached to the first attachment portion 51 by screwing the nut 55 into the stud bolt 54.
- the stoppers 35 are attached to the sub-frames 30 to complete a series of maintenance operations.
- the anti-vibration device 50 is attached to the fitting hole 31 formed in the vertical direction of the sub-frame 30 by press-fitting of a load that can be removed from the lower side.
- the vehicle body of the maintenance work for maintenance, inspection, and replacement of the vibration damping device 50 The number of steps for attaching and detaching the sub-frame 30 to the frame 20 can be reduced. As a result, the workability of maintaining the vibration isolation device 50 can be improved.
- the sub-frame 30 since only the second mounting portion 52 is directly attached to the fitting hole 31 of the sub-frame 30 by press fitting, the sub-frame 30 does not need a mounting base for mounting the anti-vibration device 50. Further, the second mounting portion 52 does not require a flange (vibration source mounting bracket) for mounting to the mounting base by bolting. The weight reduction of the sub-frame 30 and the anti-vibration apparatus 50 can be achieved by that much. Moreover, since the mounting base and the flange are eliminated in this way, these members can not be a factor of resonance or vibration amplification. Therefore, it is possible to suppress as much as possible the resonance and vibration amplification of the sub-frame 30 and its surroundings with respect to the vibration generated by the engine 41 (vibration source).
- the engine 41 can be largely displaced in the vertical direction, that is, in the direction along the axial center CL of the vibration control device 50. If the amount of displacement becomes excessive, the lower surface of the engine bracket 41a may hit the upper surface of the vibration damping device 50. When hit, a downward load acts on the antivibration device 50 from the engine bracket 41a. The downward load is a force in the direction in which the vibration damping device 50 is extracted downward from the fitting hole 31 of the sub frame 30.
- the shock absorbing material 39 is arranged with a fixed gap ⁇ between the upper surface of the lateral vibration stopper 38 and the lower surface of the engine bracket 41a.
- the cushioning material 39 is made of, for example, a rubber attached to the upper surface of the swing stopper 38.
- the cushioning material 39 may be disposed between the upper surface of the sub-frame 30 and the lower surface of the engine bracket 41a.
- the size of the gap ⁇ and the thickness of the shock absorbing material 39 are set so that the downward load can be received by the shock absorbing material 39 without the lower surface of the engine bracket 41 a hitting the upper surface of the vibration damping device 50 by the downward load. Ru. For this reason, the downward load is relieved by the shock absorbing material 39 and is received by the sideways movement stopper 38 or the sub frame 30. Therefore, when the engine 41 is largely displaced toward the vibration damping device 50, the downward load does not act on the upper surface of the vibration damping device 50 because the engine bracket 41 a hits the upper surface of the vibration damping device 50. The anti-vibration device 50 does not pull out downward from the fitting hole 31 of the sub-frame 30. The mounting state of the vibration damping device 50 on the sub-frame 30 can be maintained for an even longer period of time.
- FIG. 4 shows the periphery of the vibration control device (second embodiment) according to the present invention, and corresponds to FIG. However, the lateral shake stopper 38, the engine bracket 41a and the nut 55 shown in FIG. 3 are omitted.
- the second embodiment has substantially the same configuration as the first embodiment but differs in the following points. That is, Example 1 shown in the said FIG. 3 is a structure which attaches the 2nd attachment part 52 to the fitting hole 31 "from the bottom". On the other hand, the second embodiment shown in FIG. 4 is different in that the second attachment portion 52A is attached to the fitting hole 31A by press-fitting of a removable load from above. The differences will be described in detail below.
- the fitting hole 31A of the second embodiment shown in FIG. 4 corresponds to the fitting hole 31 of the first embodiment shown in FIG.
- the fitting hole 31 of Example 1 is a step-like hole including the large diameter hole 31a, the small diameter hole 31b, and the step portion 31c.
- fitting hole 31A of Example 2 is a penetration hole which penetrated up and down like a straight form without a level difference.
- the hole diameter of the fitting hole 31A is set to be the same as the hole diameter of the large diameter hole 31a of the first embodiment.
- the second attachment portion 52A of the second embodiment shown in FIG. 4 corresponds to the second attachment portion 52 of the first embodiment shown in FIG.
- the outer diameter of the second mounting portion 52A is set to be the same as the outer diameter of the second mounting portion 52 of the first embodiment.
- the positioning stopper 52 a of the second mounting portion 52 contacts the positioning step portion 31 c of the fitting hole 31, the mounting position of the second mounting portion 52 with respect to the sub frame 30 is determined.
- the outer diameter of the positioning stopper 52a is slightly smaller than the diameter of the large diameter hole 31a.
- the positioning stopper 52a provided at the upper edge of the second mounting portion 52A contacts the upper surface 33 of the sub-frame 30 to make the second mounting portion 52A with respect to the sub-frame 30 The mounting position is determined.
- the outer diameter of the positioning stopper 52a of the second embodiment is set larger than the hole diameter of the fitting hole 31A.
- the positioning stopper with respect to the upper surface 33 of the sub-frame 30 52a touches.
- the second mounting portion 52A is positioned in the press-fitting direction (downward direction) with respect to the sub-frame 30.
- the operator does not need to pay attention to the position in the press-fitting direction with respect to the sub-frame 30 when the second mounting portion 52A is press-fitted into the fitting hole 31A. For this reason, the workability of maintaining the vibration isolation device 50 can be further enhanced.
- the positioning stopper 52 a of the second embodiment also serves as a retaining stopper that prevents the sub-frame 30 from falling downward. Since the positioning stopper 52a is in contact with the upper surface 33 of the sub-frame 30, the downward movement of the second attachment portion 52A from the fitting hole 31A is more reliably restricted. Therefore, it is not necessary to provide the retaining stopper 35 shown in FIG.
- the second attachment portion 52A for attaching to the sub frame 30 can be removed from the upper side with respect to the fitting hole 31A formed in the vertical direction of the sub frame 30. Install by press fitting.
- the vehicle body of the maintenance work for performing maintenance, inspection, and replacement of the anti-vibration device 50 The number of steps for attaching and detaching the subframe 30 to the frame 20 can be reduced. As a result, the workability of maintaining the vibration isolation device 50 can be improved.
- the sub-frame 30 since only the second mounting portion 52A is directly attached to the fitting hole 31A of the sub-frame 30 by press fitting, the sub-frame 30 does not need a mounting base for mounting the anti-vibration device 50. Further, the second mounting portion 52A does not require a flange (vibration source mounting bracket) for mounting to the mounting base by bolting. The weight reduction of the sub-frame 30 and the anti-vibration apparatus 50 can be achieved by that much. Moreover, since the mounting base and the flange are eliminated in this way, these members can not be a factor of resonance or vibration amplification. Therefore, it is possible to suppress as much as possible the resonance and vibration amplification of the sub-frame 30 and its surroundings with respect to the vibration generated by the engine 41 (vibration source).
- the vehicle body 11 may be configured to attach the sub-frame 30 to the rear of the vehicle body frame 20.
- the vibration source may be anything that generates driving power, and may be, for example, an electric motor in addition to the engine 41 and the transmission 42.
- the vibration source mounting structure according to the present invention is suitable for use in an automobile in which a vibration source such as the engine 41 is mounted via the vibration isolation device 50 to the sub frame 30 mounted from below to the vehicle body frame 20 is there.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
Description
第1取付部51は、エンジン41のエンジンブラケット41aに取付けられている。第2取付部52は、弾性体53を連結した円筒状の部材である。これらの第1・第2取付部51,52は、鋼材やアルミニウム合金材等の金属材料からなる。弾性体53は、第1取付部51と第2取付部52との間で伝達される振動を、弾性変形することにより吸収するゴムブロックであり、概ね下開放のカップ状に形成されている。
図3に示すように、サブフレーム30は防振装置50を介してエンジン41をマウントしている状態にある。この状態の防振装置50を整備するには、先ず、スタッドボルト54からナット55を外すとともに、サブフレーム30から横振れストッパ38を外す。次に、サブフレーム30から抜止めストッパ35を外す。次に、嵌合孔31から第2取付部52を下方へ引き抜く。この結果、嵌合孔31から防振装置50を取り外すことができる。
防振装置50は、サブフレーム30に取付けるための第2取付部52を、サブフレーム30の上下方向に形成された嵌合孔31に対し、下から取り外し可能な荷重の圧入によって取り付けられる。このように、サブフレーム30の嵌合孔31に第2取付部52を、直接に圧入によって取り付けるだけであるから、防振装置50の保守、点検、交換をする整備作業の工数のうち、車体フレーム20に対するサブフレーム30の脱着作業を行う工数が少なくてすむ。この結果、防振装置50を整備する作業性を高めることができる。
Claims (3)
- 車体フレームと、該車体フレームの下方に配置され、前記車体フレームに取り付けられたサブフレームと、前記サブフレーム上に防振装置を介して取り付けられたエンジン等の振動源とを備えている振動源取付構造であって、
前記防振装置は、前記振動源に取付ける第1取付部と、前記サブフレームに取付ける第2取付部と、これらの第1・第2取付部間を連結する弾性体と、を備えており、
前記サブフレームは、該サブフレームの上下方向に形成された嵌合孔を有しており、
前記第2取付部は、前記嵌合孔に対して、取り外し可能な圧入によって取り付けられていることを特徴とする振動源取付構造。 - 前記第2取付部は、前記嵌合孔に圧入するときに、前記サブフレームに対する圧入方向の位置決めをするための位置決めストッパを有している、請求項1に記載の振動源取付構造。
- 前記サブフレームは、前記嵌合孔に圧入された前記第2取付部を、前記圧入方向とは逆方向への抜け止めをするための、取り外し可能な抜止めストッパを有している、請求項1に記載の振動源取付構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080013175.6A CN102361769B (zh) | 2009-07-29 | 2010-07-21 | 车辆用振动源安装结构 |
JP2011524742A JP5449360B2 (ja) | 2009-07-29 | 2010-07-21 | 車両用振動源取付構造 |
KR1020117022433A KR101246008B1 (ko) | 2009-07-29 | 2010-07-21 | 차량용 진동원 부착 구조 |
US13/259,808 US8672080B2 (en) | 2009-07-29 | 2010-07-21 | Vibration source attachment structure for vehicles |
Applications Claiming Priority (2)
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JP2009176876 | 2009-07-29 | ||
JP2009-176876 | 2009-07-29 |
Publications (1)
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WO2011013554A1 true WO2011013554A1 (ja) | 2011-02-03 |
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PCT/JP2010/062245 WO2011013554A1 (ja) | 2009-07-29 | 2010-07-21 | 車両用振動源取付構造 |
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US (1) | US8672080B2 (ja) |
JP (1) | JP5449360B2 (ja) |
KR (1) | KR101246008B1 (ja) |
CN (1) | CN102361769B (ja) |
WO (1) | WO2011013554A1 (ja) |
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DE102011081473A1 (de) * | 2011-08-24 | 2013-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Aggregate-Befestigungseinrichtung für ein Kraftfahrzeug |
JP2013167270A (ja) * | 2012-02-14 | 2013-08-29 | Tokai Rubber Ind Ltd | 防振装置 |
JP2017165251A (ja) * | 2016-03-16 | 2017-09-21 | 本田技研工業株式会社 | エンジンマウント構造 |
JP2019209880A (ja) * | 2018-06-06 | 2019-12-12 | マツダ株式会社 | サブフレーム構造 |
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DE102011081469A1 (de) * | 2011-08-24 | 2013-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Aggregate-Befestigungseinrichtung für Kraftfahrzeuge |
DE102011086165A1 (de) * | 2011-11-11 | 2013-05-16 | Bayerische Motoren Werke Aktiengesellschaft | Befestigungseinrichtung für ein Getriebe eines Kraftfahrzeugs |
US8985260B2 (en) | 2013-02-06 | 2015-03-24 | Honda Motor Co., Ltd. | Vehicle including exhaust system attached to sub-frame |
US9205733B2 (en) | 2013-02-06 | 2015-12-08 | Honda Motor Co., Ltd. | Vehicle including mount devices for coupling a sub-frame with a main frame |
DE102013206250A1 (de) * | 2013-04-09 | 2014-10-09 | Bayerische Motoren Werke Aktiengesellschaft | Strukturelement im vorderen Bereich eines Kraftfahrzeuges |
DE102014118502B4 (de) | 2014-12-12 | 2018-09-06 | Vibracoustic Gmbh | Lageranordnung zum Lagern eines Motors |
JP6393200B2 (ja) * | 2015-01-23 | 2018-09-19 | 山下ゴム株式会社 | 防振装置および緩衝装置 |
CN104890494A (zh) * | 2015-06-28 | 2015-09-09 | 奇瑞商用车(安徽)有限公司 | 一种发动机悬置软垫总成 |
KR102258481B1 (ko) * | 2017-03-27 | 2021-06-01 | 현대자동차주식회사 | 엔진 마운팅 구조 |
KR102466060B1 (ko) * | 2017-08-30 | 2022-11-14 | 현대자동차주식회사 | 하이드로 엔진마운트 |
GB2580911A (en) * | 2019-01-28 | 2020-08-05 | Jaguar Land Rover Ltd | Component for a structual element for a vehicle |
JP7172669B2 (ja) * | 2019-02-01 | 2022-11-16 | トヨタ自動車株式会社 | モノコック車両構造 |
CN112049888B (zh) * | 2020-08-27 | 2022-07-12 | 广州汽车集团股份有限公司 | 一种汽车液压悬置结构及汽车 |
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Also Published As
Publication number | Publication date |
---|---|
KR101246008B1 (ko) | 2013-03-20 |
JP5449360B2 (ja) | 2014-03-19 |
JPWO2011013554A1 (ja) | 2013-01-07 |
KR20110118834A (ko) | 2011-11-01 |
US8672080B2 (en) | 2014-03-18 |
CN102361769A (zh) | 2012-02-22 |
CN102361769B (zh) | 2015-06-24 |
US20120118660A1 (en) | 2012-05-17 |
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