CN219969385U - Engine suspension system and vehicle - Google Patents

Abstract

The embodiment of the utility model provides an engine suspension system and a vehicle, and belongs to the technical field of engine suspension. The embodiment of the utility model aims to solve the problem of poor durability of a rubber bearing in a related engine suspension system. According to the engine suspension system and the vehicle, the engine suspension system comprises the vibration isolation assembly and the engine bracket, the first limiting piece is arranged on the vibration isolation assembly, the second limiting piece is arranged on the engine bracket and is opposite to the first limiting piece at intervals, and when the whole formed by the engine bracket, the first mounting plate and the elastic piece shakes along the inclination direction of the second mounting plate relative to the second mounting plate, the second limiting piece is abutted with the first limiting piece so as to reduce the shaking amplitude of the whole formed by the engine bracket, the first mounting plate and the elastic piece relative to the second mounting plate, so that the durability of the elastic piece and the vibration isolation assembly is improved.

Description

Engine suspension system and vehicle

Technical Field

The embodiment of the utility model relates to the technical field of engine suspension, in particular to an engine suspension system and a vehicle.

Background

The engine suspension system is an important component in the chassis of the automobile, plays a role in absorbing the energy of vibration transmitted by the whole automobile, avoids the vibration of the whole automobile from being transmitted to the power assembly, and simultaneously can also avoid the vibration of the power assembly from being transmitted to the whole automobile, so that the vibration of the whole automobile is large.

In the related art, the engine suspension system comprises an engine bracket, a rubber bearing, a beam bracket and a suspension bracket, wherein the engine bracket, the rubber bearing, the beam bracket and the suspension bracket are sequentially connected, the engine bracket is connected with an engine of an automobile, the suspension bracket is connected with a frame of the automobile, and the rubber bearing is connected between the engine bracket and the beam bracket so as to prevent vibration transmission between the engine bracket and the beam bracket and further avoid mutual conduction vibration between the engine and the frame.

However, the durability of the rubber support in the related engine mount system is poor.

Disclosure of Invention

Accordingly, a primary object of the present utility model is to provide an engine suspension system and a vehicle, so as to solve the technical problem of poor durability of the rubber support in the related engine suspension system.

In order to achieve the above object, an embodiment of the present utility model provides an engine suspension system, including a vibration isolation assembly and an engine bracket, where the vibration isolation assembly includes an elastic member, a first mounting plate, a second mounting plate, and a first limiting member, the first mounting plate is parallel to and spaced apart from the second mounting plate, the elastic member is disposed between the first mounting plate and the second mounting plate, the second mounting plate is disposed obliquely with respect to a horizontal plane, the first limiting member is disposed at one end of the second mounting plate in an oblique direction, and the first limiting member extends toward the first mounting plate; the engine bracket comprises a suspension support mounting plate and a second limiting piece, wherein the suspension support mounting plate is attached to the first mounting plate, the second limiting piece is arranged at one end of the suspension support mounting plate along the inclination direction of the second mounting plate, the second limiting piece extends towards the second mounting plate, the second limiting piece is arranged at intervals with the first limiting piece, and the second limiting piece is configured to be abutted to the first limiting piece so as to prevent the suspension support mounting plate from displacing relative to the second mounting plate along the inclination direction of the second mounting plate.

In some embodiments, which may include the above embodiments, the first limiting member is disposed at a top end of the second mounting plate along an oblique direction of the second mounting plate, the second limiting member is disposed at a top end of the suspension support mounting plate along an oblique direction of the second mounting plate, and the second limiting member is disposed at a side of the first limiting member facing away from the elastic member.

In some embodiments, which may include the above embodiments, the first stop includes a first stop plate; and/or, the second limiting piece comprises a second limiting plate.

In some embodiments that may include the foregoing embodiments, the vibration isolation assembly further includes a support bolt and a limit post, the limit post is disposed on a side of the first mounting plate facing away from the elastic member, an axis of the limit post is perpendicular to the first mounting plate, the support bolt penetrates through the first mounting plate and is disposed in the elastic member, and an axis of the support bolt is parallel to an axis of the limit post; the suspension support mounting plate is provided with a limiting hole and a connecting hole, the limiting column penetrates through the limiting hole, and the support bolt penetrates through the connecting hole.

In some embodiments, which may include the above embodiments, the connection hole is an oblong hole, and a length direction of the connection hole is parallel to an inclination direction of the second mounting plate.

In some embodiments, which may include the above embodiments, the engine mount further includes an engine mounting plate configured to be coupled to the engine and a stiffener coupled between the suspension support mounting plate and the engine mounting plate.

In some embodiments that may include the foregoing embodiments, the engine suspension system further includes a lower beam assembly, where the lower beam assembly includes a tubular beam and two lower beam brackets, the two lower beam brackets are symmetrically disposed at two ends of the tubular beam, and the tubular beam and the two lower beam brackets are integrally disposed; the lower beam support comprises a vibration isolation assembly mounting plate and a lower frame wing surface mounting plate, wherein the vibration isolation assembly mounting plate is attached to the second mounting plate, and the lower frame wing surface mounting plate is configured to be attached to the bottom of the lower frame wing surface.

In some embodiments, which may include the above embodiments, the engine suspension system further includes a suspension bracket including a lower cross member assembly mounting plate and a frame ventral mounting plate, the lower cross member assembly mounting plate conforming to the frame lower airfoil mounting plate, the frame ventral mounting plate configured to conform to the frame outer ventral surface.

In some embodiments, which may include the above embodiments, the frame lower wing surface mounting plates are provided with a plurality of frame lower wing surface mounting holes, the frame lower wing surface mounting holes are configured to pass through fastening bolts, the frame lower wing surface mounting holes on one of the two frame lower wing surface mounting plates are circular holes, the frame lower wing surface mounting holes on the other are oblong holes, and a length direction of the oblong holes is parallel to a projection of the inclination direction of the second mounting plate on a horizontal plane.

The embodiment of the utility model also provides a vehicle, comprising an engine and the engine suspension system according to any one of the above embodiments, wherein the engine is connected with the engine bracket.

According to the engine suspension system and the vehicle, the first limiting piece is arranged on the vibration isolation assembly, the second limiting piece is arranged on the engine support and is opposite to the first limiting piece at intervals, and when the whole formed by the engine support, the first mounting plate and the elastic piece shakes along the inclination direction of the second mounting plate relative to the second mounting plate, the second limiting piece is abutted with the first limiting piece, so that the shaking amplitude of the whole formed by the engine support, the first mounting plate and the elastic piece relative to the second mounting plate is reduced, and the durability of the elastic piece and the vibration isolation assembly is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an engine suspension system according to an embodiment of the present utility model after being connected to a part of a vehicle frame;

fig. 2 is a schematic structural diagram of a vibration isolation assembly in an engine suspension system according to an embodiment of the present utility model;

FIG. 3 is a front view of an engine mount system according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an engine bracket in an engine suspension system according to an embodiment of the present utility model;

FIG. 5 is a top view of an engine mount system according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a lower beam assembly in an engine suspension system according to an embodiment of the present utility model.

Reference numerals illustrate:

10. an engine mount;

110. a suspension support mounting plate; 111. a limiting hole; 112. a connection hole;

120. a second limiting plate;

130. an engine mounting plate;

140. reinforcing ribs;

150. a third limiting plate;

160. a fourth limiting plate;

20. a vibration isolation assembly;

210. an elastic member; 211. a support bolt;

220. a first mounting plate; 221. a limit column;

230. a second mounting plate; 231. a first limiting plate;

30. a lower beam assembly;

310. a tubular beam;

320. a lower beam bracket; 321. a vibration isolation assembly mounting plate; 322. a frame lower airfoil mounting plate; 3221. a mounting groove; 3222. a frame lower airfoil mounting hole;

40. a suspension bracket;

410. a lower beam assembly mounting plate;

420. a frame ventral mounting plate;

50. a frame;

510. ventral surface;

520. a lower airfoil.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application.

Further, it should be noted that, in the description of the embodiments of the present utility model, terms such as directions or positional relationships indicated by the terms "inner", "outer", and the like are based on directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or the member must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those skilled in the art according to the specific circumstances.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As described in the background art, the engine mount system in the related art has a problem of poor durability of the rubber mount, and the inventors have found that the problem arises because displacement of the power unit and the engine increases when the torque of the engine increases, and because of lack of a limit structure between the engine mount and the rubber mount in the related engine mount system, the entire shake width of the rubber and the engine mount in the rubber mount increases when the displacement of the power unit and the engine increases, and the increase of the shake width of the rubber leads to deterioration of the durability of the rubber, and thus deterioration of the durability of the rubber mount.

According to the engine suspension system and the vehicle, the first limiting piece is arranged on the vibration isolation assembly, the second limiting piece is arranged on the engine support and is opposite to the first limiting piece at intervals, and when the whole formed by the engine support, the first mounting plate and the elastic piece shakes along the inclination direction of the second mounting plate relative to the second mounting plate, the second limiting piece is abutted with the first limiting piece, so that the shaking amplitude of the whole formed by the engine support, the first mounting plate and the elastic piece relative to the second mounting plate is reduced, and the durability of the elastic piece and the vibration isolation assembly is improved.

The principles and features of embodiments of the present utility model are described below with reference to the drawings, the examples are provided for the purpose of illustrating the embodiments of the present utility model and are not intended to limit the scope of the embodiments of the present utility model.

Referring to fig. 1, the present embodiment provides an engine suspension system, which includes an engine bracket 10, a vibration isolation assembly 20, and a lower beam assembly 30, wherein the engine bracket 10, the vibration isolation assembly 20, and the lower beam assembly 30 are sequentially connected, the engine bracket 10 is used for connecting with an engine, the lower beam assembly 30 is used for connecting with a frame 50, and the vibration isolation assembly 20 is connected between the engine bracket 10 and the lower beam assembly 30 to block vibration transmission between the engine bracket 10 and the lower beam assembly 30, thereby avoiding mutual conduction of vibration between the engine and the frame 50.

Referring to fig. 2 and 3, the vibration isolation assembly 20 includes an elastic member 210, a first mounting plate 220, a second mounting plate 230, and a first limiting member, where the first mounting plate 220 is parallel to and spaced apart from the second mounting plate 230, the second mounting plate 230 is inclined with respect to a horizontal plane, the elastic member 210 may be a rubber member, a silica gel member, etc., the elastic member 210 is disposed between the first mounting plate 220 and the second mounting plate 230, a bottom surface of the elastic member 210 is attached to the second mounting plate 230, and a top surface is attached to the first mounting plate 220. The first limiting member is disposed at one end of the second mounting plate 230 along the inclined direction, and extends toward the first mounting plate 220.

Referring to fig. 3 and 4, the engine bracket 10 includes a suspension support mounting plate 110 and a second stopper, the suspension support mounting plate 110 is attached to the first mounting plate 220, the second stopper is provided at one end of the suspension support mounting plate 110 in an inclined direction of the second mounting plate 230, and the second stopper extends toward the second mounting plate 230, and the second stopper is opposite to and spaced apart from the first stopper.

When the engine bracket 10 is connected with the engine and the engine is operated, the vibration of the engine is transmitted to the elastic member 210 through the engine bracket 10 and the first mounting plate 220, so that the top of the elastic member 210 is reciprocally swung in an inclined direction of the second mounting plate 230 with respect to the second mounting plate 230, and the bottom of the elastic member 210 is not swung along with the vibration of the engine, thereby preventing the vibration of the engine from being transmitted to the lower beam assembly 30.

The second limiting member is opposite to and spaced from the first limiting member, when the torque output from the engine is relatively large, the whole body formed by the engine bracket 10, the first mounting plate 220 and the elastic member 210 shakes along the inclination direction of the second mounting plate 230 relative to the second mounting plate 230, and the second limiting member is abutted to the first limiting member, so that the shaking amplitude of the elastic member 210 along the inclination direction of the second mounting plate 230 relative to the second mounting plate 230 is reduced, and the durability of the elastic member 210 and the vibration isolation assembly 20 is improved.

Referring to fig. 1 and 3, in some embodiments, a first stopper may be disposed at a top end of the second mounting plate 230 in an inclined direction of the second mounting plate 230, a second stopper may be disposed at a top end of the suspension support mounting plate 110 in an inclined direction parallel to the second mounting plate 230, and a second stopper is disposed at a side of the first stopper facing away from the elastic member 210, and when the whole of the engine bracket 10, the first mounting plate 220, and the elastic member 210 shakes downward with respect to the second mounting plate 230 in the inclined direction of the second mounting plate 230, the second stopper abuts against the first stopper to reduce a shaking amplitude of the elastic member 210 downward with respect to the second mounting plate 230 and the lower beam assembly 30 in the inclined direction of the second mounting plate 230, thereby improving durability of the elastic member 210 and the vibration isolation assembly 20.

In some alternative embodiments, the first stopper may be disposed at the bottom end of the second mounting plate 230 in the tilting direction of the second mounting plate 230, the second stopper may be disposed at the bottom end of the suspension support mounting plate 110 in the tilting direction parallel to the second mounting plate 230, and the second stopper is disposed at the side of the first stopper facing the elastic member 210, so that the downward shaking amplitude of the elastic member 210 with respect to the second mounting plate 230 and the lower beam assembly 30 in the tilting direction of the second mounting plate 230 can be reduced as well, thereby improving the durability of the elastic member 210 and the vibration isolation assembly 20.

In other embodiments, the first stopper may be disposed at the top end of the second mounting plate 230 in the inclined direction of the second mounting plate 230, the second stopper may be disposed at the top end of the suspension support mounting plate 110 in the inclined direction parallel to the second mounting plate 230, and the second stopper is disposed at the side of the first stopper facing the elastic member 210, so that the amplitude of the shaking of the elastic member 210 in the inclined direction of the second mounting plate 230 with respect to the second mounting plate 230 and the lower beam assembly 30 may be reduced, thereby improving the durability of the elastic member 210 and the vibration isolation assembly 20.

Of course, in other embodiments, the first limiting member may be disposed at the bottom end of the second mounting plate 230 in the direction of inclination of the second mounting plate 230, the second limiting member may be disposed at the bottom end of the suspension support mounting plate 110 in the direction of inclination parallel to the second mounting plate 230, and the second limiting member may be disposed at the side of the first limiting member facing away from the elastic member 210, so that the amplitude of the shake of the elastic member 210 in the direction of inclination of the second mounting plate 230 with respect to the second mounting plate 230 and the lower beam assembly 30 may be reduced, thereby improving the durability of the elastic member 210 and the vibration isolation assembly 20.

The first limiting member may include a first limiting plate 231, the second limiting member may include a second limiting plate 120, and when the whole body formed by the engine bracket 10, the first mounting plate 220 and the elastic member 210 shakes along the inclination direction of the second mounting plate 230, the first limiting plate 231 abuts against the second limiting plate 120, so as to increase the area of the first limiting plate 231 and the second limiting plate 120 abutting against each other, so that the stop effect is more stable.

Further, the first limiting plate 231 and the second limiting plate 120 may be disposed in parallel, so that the first limiting plate 231 and the second limiting plate 120 abut against each other when they abut against each other, thereby stabilizing the stopping effect.

Referring to fig. 2, the first limiting plate 231 may be formed by bending one end of the second mounting plate 230 in the inclined direction of the second mounting plate 230 toward the first mounting plate 220, and referring to fig. 4, the second limiting plate 120 may be formed by bending one end of the suspension support mounting plate 110 in the inclined direction parallel to the second mounting plate 230 toward the second mounting plate 230, so that the first limiting plate 231 is integrally formed with the second mounting plate 230, and the second limiting plate 120 is integrally formed with the suspension support mounting plate 110 by punching, thereby improving the assembly efficiency of the engine suspension system.

Referring to fig. 4, the engine bracket 10 may further include a third limiting plate 150 and a fourth limiting plate 160, where the third limiting plate 150 and the fourth limiting plate 160 are disposed on one side of the suspension support mounting plate 110 facing the second mounting plate 230, the third limiting plate 150 and the fourth limiting plate 160 are perpendicular to the second limiting plate 120, and the second limiting plate 120, the third limiting plate 150 and the fourth limiting plate 160 enclose a receiving space, and the first mounting plate 220 and the elastic member 210 are received in the receiving space.

When the whole body formed by the engine mount 10 and the elastic member 210 is shaken with respect to the second mounting plate 230 in a direction parallel to the first mounting plate 220 and perpendicular to the tilting direction of the second mounting plate 230, the third and fourth stopper plates 150 and 160 abut against the first stopper plate 231 to reduce the shaking amplitude of the whole body formed by the engine mount 10 and the elastic member 210 with respect to the second mounting plate 230 in a direction parallel to the first mounting plate 220 and perpendicular to the tilting direction of the second mounting plate 230, thereby improving the durability of the elastic member 210.

In other embodiments, the first stop may include a first stop post and the second stop may include a second stop plate 120 or a second stop post; or the first limiting member may include the first limiting plate 231 or the first limiting post, and the second limiting member may include the second limiting post, so long as the first limiting member and the second limiting member can abut when the whole body formed by the engine bracket 10, the first mounting plate 220 and the elastic member 210 shakes along the inclination direction of the second mounting plate 230.

Referring to fig. 2 and 5, in some embodiments, vibration isolation assembly 20 may further include a support bolt 211 and a limit post 221, wherein limit post 221 is disposed on a side of first mounting plate 220 facing away from elastic member 210, an axis of limit post 221 is perpendicular to first mounting plate 220, support bolt 211 penetrates first mounting plate 220 and is disposed within elastic member 210, and an axis of support bolt 211 is parallel to an axis of limit post 221. The suspension support mounting plate 110 is provided with a limiting hole 111 and a connecting hole 112, and a limiting post 221 is inserted into the limiting hole 111 to pre-position the first mounting plate 220 and the suspension support mounting plate 110. The supporting bolt 211 is inserted into the connecting hole 112, and a nut is suspended on the supporting bolt 211, and the nut abuts against the suspension supporting mounting plate 110, so as to fixedly connect the elastic member 210, the first mounting plate 220 and the suspension supporting mounting plate 110.

Further, the connection hole 112 may be a slotted hole, and the length direction of the connection hole 112 is parallel to the inclined direction of the second mounting plate 230, so as to provide a tolerance margin for mounting the support bolt 211 and the suspension support mounting plate 110, so that the limit post 221 may be inserted into the limit hole 111, and meanwhile, the support bolt 211 may also be inserted into the connection hole 112, so that the elastic member 210, the first mounting plate 220 and the suspension support mounting plate 110 may be normally connected.

Referring to fig. 1, 3-5, in some embodiments, the engine mount 10 may further include an engine mounting plate 130 and a reinforcing rib 140, the engine mounting plate 130 being for connection with the engine, the engine mounting plate 130 may extend in a vertical direction, the engine mounting plate 130 and the suspension support mounting plate 110 may have an angle, and the reinforcing rib 140 may be connected between the suspension support mounting plate 110 and the engine mounting plate 130 by welding to reinforce the strength of the suspension support mounting plate 110 and the engine mounting plate 130.

The reinforcing ribs 140 may be plate-shaped, and the reinforcing ribs 140 may be plural, and the plural reinforcing ribs 140 are arranged in parallel and at intervals to further strengthen the strength of the suspension support mounting plate 110 and the engine mounting plate 130.

The engine mounting plate 130 may have an angle with the horizontal, and the top end of the engine mounting plate 130 may be provided with a gap for avoiding the engine, so as to mount the engine suspension system with the engine.

Referring to fig. 6, in some embodiments, the lower beam assembly 30 may include a tube beam 310 and two lower beam brackets 320, the two lower beam brackets 320 are symmetrically disposed at both ends of the tube beam 310, and the tube beam 310 and the two lower beam brackets 320 are integrally disposed, and, for example, both ends of the tube beam 310 may be welded to the two lower beam brackets 320.

The lower cross-beam mount 320 may include a vibration isolation assembly mounting plate 321 and a lower frame airfoil mounting plate 322, the vibration isolation assembly mounting plate 321 conforming to the second mounting plate 230, the lower frame airfoil mounting plate 322 configured to conform to the bottom of the lower frame airfoil 520. The frame lower airfoil mounting plate 322 may be parallel to the horizontal to accommodate vehicles in which the frame lower airfoil 520 is parallel to the horizontal.

Vibration isolation assembly mounting plate 321 may have a mounting groove 3221 thereon, mounting groove 3221 is recessed downward, the notch of mounting groove 3221 is upward, tubular beam 310 is received in mounting groove 3221, and tubular beam 310 may be welded in mounting groove 3221 to fixedly connect tubular beam 310 with lower beam assembly 30.

When the lower beam assembly 30 is mounted to the vibration isolation assembly 20, the vibration isolation assembly mounting plate 321 is attached to the second mounting plate 230 and is connected by fastening bolts to further fix the tubular beam 310 between the vibration isolation assembly mounting plate 321 and the second mounting plate 230, so that the tubular beam 310 is not easily separated from the lower beam assembly 30.

When the engine suspension system is connected with a vehicle, the front end of the pipe beam 310 is provided with a front axle of the vehicle, the rear end of the pipe beam is provided with a steering tie rod of the vehicle, an oil pan of the vehicle is arranged above the pipe beam 310, and gaps surrounded by the front axle, the steering tie rod and the oil pan are not regularly distributed left and right and are distributed front and back. The tubular beam 310 may include a first tubular segment, a second tubular segment, and a third tubular segment, the second tubular segment being connected between the first tubular segment and the third tubular segment, the first tubular segment and the third tubular segment each being disposed obliquely to a horizontal plane, and axes of the first tubular segment and the third tubular segment may be symmetrical about a vertical direction, the third tubular segment being connected between a bottom end of the first tubular segment and a bottom end of the third tubular segment. The first pipe section and the third pipe section are both arranged in the installation groove 3221, the projections of the axes of the first pipe section and the third pipe section on the horizontal plane can be collinear, and the projection of the axis of the second pipe section on the horizontal plane is not collinear with the projection of the first pipe section, so that the dynamic clearance of a front axle, an oil pan and a steering tie rod in the vehicle movement process is met, and the normal function of the vehicle cannot be influenced after the engine suspension system is installed on the vehicle.

In some embodiments, the engine suspension system may further include a suspension bracket 40, where the suspension bracket 40 includes a lower beam assembly mounting plate 410 and a frame ventral mounting plate 420, where the lower beam assembly mounting plate 410 and the frame ventral mounting plate 420 are integrally formed by stamping, the lower beam assembly mounting plate 410 is attached to the frame lower airfoil mounting plate 322, and the frame ventral mounting plate 420 is used to attach to a ventral surface 510 on the outer side of the frame, and the lower beam bracket 320 and the frame 50 are further fixedly connected by the suspension bracket 40, so that the engine suspension system is more firmly connected to the frame 50 when mounted on the frame 50. Moreover, the frame ventral surface mounting plate 420 and the frame lower wing surface mounting plate 322 are mutually perpendicular, so that amplification of vibration transmission is avoided by utilizing a right-angle rigid region formed by the frame ventral surface 510 and the frame lower wing surface 520, and meanwhile, the suspension bracket 40 is connected to the outer ventral surface 510 of the frame 50, so that the inner space of the frame 50 is relieved, pipeline bundle arrangement is facilitated on the inner side of the frame 50, and the production beat of the vehicle is improved.

In the engine suspension system of the embodiment, the suspension bracket 40 may be riveted on the frame ventral surface 510 on the split line of the frame 50, and electrophoresis is carried out along with the frame 50, so as to reduce the on-line installation time of the frame 50 and the engine suspension system, and improve the assembly efficiency of the frame 50 and the engine suspension system. That is, left side suspension bracket 40 is connected to left side web 510 of frame 50 connected to the engine suspension system, and right side suspension bracket 40 is connected to right side web 510 of frame 50. The left end of tubular beam 310 is connected with left side lower beam support 320, and the right-hand member is connected with right side lower beam support 320, and left side lower beam support 320 is connected in the left side lower airfoil 520 and the left side suspension support 40 of frame 50, and right side lower beam support 320 is connected in the right side lower airfoil 520 and the right side suspension support 40 of frame 50, finally connects left side frame 50 and right side frame 50 through suspension support 40 and lower beam assembly 30, plays the effect of preventing frame 50 deformation.

In some embodiments, a plurality of lower frame wing surface mounting holes 3222 may be provided on the lower frame wing surface mounting plates 322, the lower frame wing surface mounting holes 3222 are configured to allow fastening bolts to pass through, the lower frame wing surface mounting holes 3222 on one of the two lower frame wing surface mounting plates 322 are circular holes, the lower frame wing surface mounting holes 3222 on the other are oblong holes, and the length direction of the oblong holes are parallel to the projection of the inclined direction of the second mounting plate 230 on the horizontal plane, so as to provide tolerance margins for the mounting between the lower frame wing surface mounting plates 322 and the lower frame wing surface 520, and the mounting between the lower frame wing surface mounting plates 322 and the suspension brackets 40, so that the lower frame wing surface mounting plates 322, the suspension brackets 40 and the lower frame wing surface 520 can be mounted normally.

The second limiting plate 120 is integrally formed with the suspension support mounting plate 110 in a stamping mode, the lower beam assembly mounting plate 410 and the frame ventral mounting plate 420 of the suspension bracket 40 are integrally formed in a stamping mode, and the vibration isolation assembly mounting plate 321 and the frame lower airfoil mounting plate 322 of the lower beam bracket 320 are integrally formed in a stamping mode, so that splice welding is not allowed, the production efficiency is high, the universality is high, the structure is integrated, and the light weight degree is high.

The embodiment of the present utility model further provides a vehicle, including an engine, a frame 50, and an engine suspension system in the foregoing embodiment, where the engine suspension system is installed between the engine and the frame 50 to block mutual conduction vibration between the engine and the frame 50, and specific structures, working principles, and functions of the engine suspension system are described in detail in the foregoing embodiment, and are not repeated herein.

The vehicle in this embodiment includes an engine and an engine suspension system, where the engine suspension system includes a vibration isolation assembly 20 and an engine bracket 10, and a first limiting member is disposed on the vibration isolation assembly 20, and a second limiting member is disposed on the engine bracket 10, where the second limiting member is opposite to and spaced from the first limiting member, and when the whole formed by the engine bracket 10, the first mounting plate 220 and the elastic member 210 shakes along the tilting direction of the second mounting plate 230 relative to the second mounting plate 230, the second limiting member abuts against the first limiting member, so as to reduce the shaking amplitude of the whole formed by the engine bracket 10, the first mounting plate 220 and the elastic member 210 relative to the second mounting plate 230, thereby improving the durability of the elastic member 210 and the vibration isolation assembly 20.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The engine suspension system is characterized by comprising a vibration isolation assembly and an engine bracket, wherein the vibration isolation assembly comprises an elastic piece, a first mounting plate, a second mounting plate and a first limiting piece, the first mounting plate is parallel to the second mounting plate and arranged at intervals, the elastic piece is arranged between the first mounting plate and the second mounting plate, the second mounting plate is obliquely arranged relative to the horizontal plane, the first limiting piece is arranged at one end of the second mounting plate along the oblique direction, and the first limiting piece extends towards the first mounting plate;

the engine bracket comprises a suspension support mounting plate and a second limiting piece, wherein the suspension support mounting plate is attached to the first mounting plate, the second limiting piece is arranged at one end of the suspension support mounting plate along the inclination direction of the second mounting plate, the second limiting piece extends towards the second mounting plate, the second limiting piece is arranged at intervals with the first limiting piece, and the second limiting piece is configured to be abutted to the first limiting piece so as to prevent the suspension support mounting plate from displacing relative to the second mounting plate along the inclination direction of the second mounting plate.

2. The engine mount system of claim 1, wherein the first stop is disposed at a top end of the second mounting plate in an oblique direction of the second mounting plate, the second stop is disposed at a top end of the mount support mounting plate in an oblique direction of the second mounting plate, and the second stop is disposed at a side of the first stop facing away from the elastic member.

3. The engine suspension system of claim 1, wherein the first stop comprises a first stop plate; and/or, the second limiting piece comprises a second limiting plate.

4. The engine mount system of claim 1, wherein the vibration isolation assembly further comprises a support bolt and a limit post, the limit post is disposed on a side of the first mounting plate facing away from the elastic member, an axis of the limit post is perpendicular to the first mounting plate, the support bolt penetrates the first mounting plate and is disposed in the elastic member, and an axis of the support bolt is parallel to an axis of the limit post;

the suspension support mounting plate is provided with a limiting hole and a connecting hole, the limiting column penetrates through the limiting hole, and the support bolt penetrates through the connecting hole.

5. The engine mount system of claim 4, wherein the connection hole is an oblong hole, and a length direction of the connection hole is parallel to an oblique direction of the second mounting plate.

6. The engine mount system of any one of claims 1-5, wherein the engine mount further comprises an engine mounting plate configured to be coupled to an engine and a stiffener coupled between the mount support mounting plate and the engine mounting plate.

7. The engine mount system according to any one of claims 1 to 5, further comprising a lower beam assembly including a tubular beam and two lower beam brackets, the two lower beam brackets being symmetrically disposed at both ends of the tubular beam, and the tubular beam and the two lower beam brackets being integrally disposed;

the lower beam support comprises a vibration isolation assembly mounting plate and a lower frame wing surface mounting plate, wherein the vibration isolation assembly mounting plate is attached to the second mounting plate, and the lower frame wing surface mounting plate is configured to be attached to the bottom of the lower frame wing surface.

8. The engine suspension system of claim 7, further comprising a suspension bracket including a lower cross member assembly mounting plate and a frame ventral mounting plate, the lower cross member assembly mounting plate conforming to the frame lower airfoil mounting plate, the frame ventral mounting plate configured to conform to a frame outer ventral surface.

9. The engine mount system of claim 7, wherein a plurality of lower frame airfoil mounting holes are provided in the lower frame airfoil mounting plates, the lower frame airfoil mounting holes are configured for passage of fastening bolts, the lower frame airfoil mounting holes in one of the two lower frame airfoil mounting plates are circular holes, the lower frame airfoil mounting holes in the other are oblong holes, and the length direction of the oblong holes is parallel to the projection of the tilt direction of the second mounting plate onto a horizontal plane.

10. A vehicle, characterized by comprising: an engine and the engine suspension system of any of claims 1-9, the engine being coupled to the engine mount.