Engine hydraulic mount assembly and vehicle having same

Abstract

The application discloses an engine hydraulic suspension assembly and a vehicle with the same, and relates to the technical field of engine suspensions. The engine hydraulic suspension assembly comprises an engine support, a longitudinal beam side support, a shock pad, and a hydraulic cylinder. The longitudinal beam side support is configured with a front side wall, a rear side wall, and a bottom wall. The front side wall and the rear side wall are both provided with mounting grooves opposite to each other. The engine support is movably mounted in the mounting grooves of the front side wall and the rear side wall. The shock pad is arranged in the mounting grooves and located between the engine support and the longitudinal beam side support. The hydraulic cylinder is mounted on the bottom wall and supported between the bottom of the engine support and the bottom wall. The hydraulic cylinder drives the engine support to move between a high load position and a low load position. A pump station is connected to the hydraulic cylinder. The pump station drives the stroke of the hydraulic cylinder according to the pressure of the hydraulic cylinder to move the engine support. The engine hydraulic suspension assembly according to the embodiment of the application has the advantages of reducing noise, excellent shock absorption performance, and prolonging the service life.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to an engine hydraulic suspension assembly and a vehicle with the same. BACKGROUND

[0002] The engine suspension in the related art is damped by a rubber damping pad alone, and the energy attenuation effect of the rubber pad is poor, the damping change range is narrow, and the damping cannot meet the demand of complex working conditions of the whole vehicle. Since the compression amount of the rubber is not easy to control, the rubber loses damping effect when compressed to the limit state, rigid collision occurs, the engine support is easily deformed, the side frame of the longitudinal beam fixed on the longitudinal beam is easily directly collided, the engine support is deformed, abnormal noise is generated, and the NVH performance needs to be improved. Moreover, the compression curve of the engine is not ideal, the rubber pad has an aging problem, and the durability is poor. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art. To this end, one object of the present application is to provide an engine hydraulic suspension assembly and a vehicle with the same, which has the advantages of reducing noise impact, excellent damping performance, and improving service life.

[0004] The present application also provides a vehicle with the engine hydraulic suspension assembly.

[0005] To achieve the above object, the engine hydraulic suspension assembly according to the first aspect of the present application comprises: an engine support; a longitudinal beam side support, which is configured with a front side wall, a rear side wall and a bottom wall, the front side wall and the rear side wall are each provided with a mounting groove opposite to each other, the engine support is movably mounted in the mounting groove of the front side wall and the mounting groove of the rear side wall; a damping pad, which is arranged in the mounting groove and located between the engine support and the longitudinal beam side support; a hydraulic cylinder, which is mounted on the bottom wall and located between the front side wall and the rear side wall, the hydraulic cylinder is supported between the bottom of the engine support and the bottom wall, and the hydraulic cylinder drives the engine support to move between a high load position and a low load position; a pump station, which is connected to the hydraulic cylinder, and the pump station controls the hydraulic cylinder to provide different support forces to the engine support according to the pressure of the hydraulic cylinder.

[0006] The engine hydraulic suspension assembly according to the present application has the advantages of reducing noise impact, excellent damping performance, and improving service life.

[0007] According to some specific embodiments of the present application, the engine hydraulic suspension assembly further comprises: a basic damping spring, which is supported between the bottom wall and the engine support, and the basic damping spring surrounds the radial outer side of the hydraulic cylinder.

[0008] According to some embodiments of the present application, the base damping spring comprises: a first damping spring supported between the bottom wall and the engine support, the base damping spring surrounding the hydraulic cylinder; and a second damping spring supported between the bottom wall and the engine support, the second damping spring surrounding a radially outer side of the first damping spring.

[0009] According to some embodiments of the present application, the bottom of the engine support is provided with a positioning boss, the first damping spring surrounding and fitting to an outer circumferential surface of the positioning boss.

[0010] According to some embodiments of the present application, the hydraulic cylinder is connected with an oil inlet and return pipe, the bottom wall of the longitudinal beam side support is configured with a pipe groove communicating with the top and side of the bottom wall, the oil inlet and return pipe is arranged in the pipe groove and the two ends thereof are respectively arranged to pass out from the top and side of the bottom wall to connect the pump station and the hydraulic cylinder.

[0011] According to some embodiments of the present application, the hydraulic cylinder comprises: a cylinder body mounted above the bottom wall; and a piston partially in the cylinder body and partially extending out of the cylinder body, the piston being movable relative to the cylinder body to support and push the engine support, the piston being supported at the center of the bottom surface of the engine support.

[0012] According to some embodiments of the present application, one end of the piston extending out of the cylinder body is configured in a hemispherical shape, and the piston is supported at the center of the bottom surface of the engine support.

[0013] According to some embodiments of the present application, the damping pad comprises: a transverse damping pad respectively in the mounting groove of the front side wall and the rear side wall, and the transverse damping pad respectively covering the front side of the engine support and the rear side of the engine support; and a longitudinal damping pad between the bottom of the engine support and the lower surface of the mounting groove.

[0014] According to some embodiments of the second aspect of the present application, a vehicle is provided.

[0015] According to the vehicle of the embodiments of the present application, the engine hydraulic suspension assembly according to the embodiments of the first aspect of the present application is used.

[0016] According to the vehicle of the embodiments of the present application, by using the hydraulic suspension assembly according to the embodiments of the first aspect of the present application, the advantages of reducing noise impact, excellent damping performance, and improving service life are achieved.

[0017] According to some embodiments of the present application, the vehicle further comprises a vehicle controller, and a sensor connected with the vehicle controller, the sensor is used to monitor the pressure signal of the cylinder, and the vehicle controller controls the support force provided by the hydraulic cylinder to the engine support in real time through the pressure signal monitored by the sensor.

[0018] Additional aspects and advantages of the present application will be made apparent from the following description, which, taken together with the accompanying drawings, describes an embodiment of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the accompanying drawings, in which:

[0020] Figure 1 is a structural schematic diagram of an engine hydraulic suspension assembly according to an embodiment of the present application;

[0021] Figure 2 is a top view of an engine hydraulic suspension assembly according to an embodiment of the present application;

[0022] Figure 3 is a working principle diagram of an engine hydraulic suspension assembly according to an embodiment of the present application;

[0023] REFERENCE NUMERALS:

[0024] Engine hydraulic suspension assembly 1, engine support 100, longitudinal beam side support 200, mounting groove 204,

[0025] Front side wall 201, rear side wall 202, bottom wall 203, shock pad 300, hydraulic cylinder 400,

[0026] Pump station 500, base damping spring 600, first damping spring 610, second damping spring 620, positioning boss 110,

[0027] Oil inlet and return pipe 700, cylinder body 410, piston 420, transverse shock pad 310, longitudinal shock pad 320, pipe groove 210,

[0028] Vehicle controller 800, sensor 900. DETAILED DESCRIPTION

[0029] Embodiments of the present application are described in detail below with reference to the accompanying drawings, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0031] In the description of the application, "first feature" and "second feature" can include one or more of the features.

[0032] In the description of the application, "a plurality of" means two or more, and "several" means one or more.

[0033] In the description of the application, "above" or "below" the first feature in the second feature can include direct contact between the first and second features, or can include indirect contact between the first and second features through another feature therebetween.

[0034] In the description of the application, "above", "over" and "on" the first feature in the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in height.

[0035] The following refers to Figures 1-3 An engine hydraulic suspension assembly 1 according to an embodiment of the application is described.

[0036] As Figures 1-3 shown, the engine hydraulic suspension assembly 1 according to an embodiment of the application includes an engine support 100, a longitudinal beam side support 200, a damping pad 300, a hydraulic cylinder 400 and a pump station 500, the longitudinal beam side support 200 is configured with a front side wall 201, a rear side wall 202 and a bottom wall 203, the front side wall 201 and the rear side wall 202 are each provided with a mounting groove 204 opposite to each other, the engine support 100 is movably mounted in the mounting groove 204 of the front side wall 201 and the mounting groove 204 of the rear side wall 202. The damping pad 300 is arranged in the mounting groove 204 and located between the engine support 100 and the longitudinal beam side support 200. The hydraulic cylinder 400 is mounted on the bottom wall 203 and located between the front side wall 201 and the rear side wall 202, the hydraulic cylinder 400 is supported between the bottom of the engine support 100 and the bottom wall 203, and the hydraulic cylinder 400 drives the engine support 100 to move between a high load position and a low load position. The pump station 500 is connected to the hydraulic cylinder 400, and the pump station 500 drives the hydraulic cylinder 400 to provide different support forces to the engine support 100 according to the pressure of the hydraulic cylinder 400.

[0037] For example, the engine support 100 is configured as a plate, the longitudinal beam side support 200 is configured as a U-shaped beam, the two sides of the engine support 100 are in the mounting groove 204, the thickness of the engine support 100 is less than the thickness of the mounting groove 204, and the engine support 100 has a certain moving space in the thickness direction in the mounting groove 204. During vehicle driving, the impact load of the road is transmitted through the longitudinal beam, and the engine support 100 only needs to rely on the shock pad 300 for shock absorption when the impact load is small; when the road is poor, the engine support 100 is under high impact load, the hydraulic cylinder 400 carries the pressure which is adjusted by the electronic control unit according to the actual working condition, and the shock absorption is performed by the hydraulic cylinder 400 in cooperation with the shock pad 300.

[0038] According to the engine hydraulic suspension assembly 1 of the embodiment of the present application, the shock absorption is performed by the hydraulic cylinder 400 configured between the engine support 100 and the longitudinal beam side support 200, and the hydraulic cylinder 400 can provide corresponding damping and supporting force under high impact load or low impact load. When the longitudinal beam side support 200 is under low impact load, the pump station 500 only needs to provide small supporting force according to the pressure of the hydraulic cylinder 400, or only needs to provide shock absorption by the shock pad 300. When the longitudinal beam side support 200 is under high impact load, the pump station 500 makes the hydraulic cylinder 400 lift the engine support 100 according to the pressure of the hydraulic cylinder 400, provides large supporting force, and reduces the compression amount of the shock pad 300. Thus, the shock absorption of the hydraulic cylinder 400 covers the influence of various complex working conditions during vehicle driving, avoids collision under extreme conditions, actively controls the shock absorption of the engine support 100, thereby improving the NVH performance of the vehicle, reducing the vibration impact load, and improving the reliability of the power system. Moreover, the shock absorption of the engine support 100 is performed by the hydraulic cylinder 400 and the shock pad 300, the shock pad 300 plays a shock absorption role under low impact load, and the hydraulic cylinder 400 plays a main shock absorption role under high impact load. Under high impact load, the deformation of the shock pad 300 can be kept within a suitable range, thereby improving the service life of the shock pad 300. The engine support 100 and the longitudinal beam side support 200 always have suitable shock absorption supporting force, and have good shock absorption effect.

[0039] Therefore, the engine hydraulic suspension assembly 1 of the embodiment of the present application has the advantages of reducing noise influence, excellent shock absorption performance, improving service life, and the like.

[0040] In some specific embodiments of the present application, as shown in Figure 1 and Figure 3 the engine hydraulic suspension assembly 1 further comprises a basic damping spring 600 supported between the bottom wall 203 and the engine support 100, and the basic damping spring 600 surrounds the radial outer side of the hydraulic cylinder 400.

[0041] Thus, the engine 100 is damped by the hydraulic cylinder 400, the damping pad 300 and the base damping spring respectively. The compression stroke of the base damping spring 600 is greater than the stroke of the hydraulic cylinder 400. When the vehicle is subjected to a small impact load, the stress of the longitudinal beam is transmitted to the base damping spring 600, the base damping spring 600 is compressed, the hydraulic cylinder 400 does not work, and only the base damping spring 600 and the damping pad 300 provide the damping resistance of the engine damping. When the vehicle is subjected to a large impact load, the compression amount of the base damping spring 600 is large, and at the same time, the hydraulic cylinder 400 works, the pump station 500 injects oil into the hydraulic cylinder 400 according to the pressure of the hydraulic cylinder 400, so that the hydraulic cylinder 400 abuts against the bottom of the engine support 100, and a large damping force is provided to prevent the engine support 100 from colliding with the longitudinal beam side support 200.

[0042] In some embodiments of the present application, as shown in Figure 1 The base damping spring 600 includes a first damping spring 610 and a second damping spring 620, the first damping spring 610 is supported between the bottom wall 203 and the engine support 100, and the base damping spring 600 surrounds the hydraulic cylinder 400. The second damping spring 620 is supported between the bottom wall 203 and the engine support 100, and the second damping spring 620 surrounds the radial outer side of the first damping spring 610.

[0043] For example, the first damping spring 610 is at the center of the bottom surface of the engine support 100, and the second damping spring 620 is at the outer side of the bottom surface of the engine support 100. The stress of the center and the outer side of the engine support 100 is uniform, which ensures the balance of the stress.

[0044] In some embodiments of the present application, as shown in Figure 1 The bottom of the engine support 100 is provided with a positioning boss 110, and the first damping spring 610 surrounds and cooperates with the outer peripheral surface of the positioning boss 110.

[0045] By sleeving the positioning boss 110 on the first damping spring 610, the positioning of the first damping spring 610 and the positioning boss 110 is accurate, and the first damping spring 610 always remains at the center of the engine support 100, so that the stress of the engine support 100 always remains in the vertical direction, and the balance of the stress of the engine support 100 is ensured.

[0046] In some embodiments of the present application, as shown in Figure 1As shown, the hydraulic cylinder 400 is connected with the oil inlet and return pipe 700, the bottom wall 203 of the longitudinal beam side support 200 is configured with the pipe groove 210 which is communicated with the top and side of the bottom wall 203, the oil inlet and return pipe 700 is arranged in the pipe groove 210 and the two ends of the oil inlet and return pipe 700 are respectively arranged to pass through the top and side of the bottom wall 203 to connect the pump station 500 and the hydraulic cylinder 400.

[0047] By configuring the pipe groove 210 in the longitudinal beam side support 200, the oil inlet and return pipe 700 is hidden in the longitudinal beam side support 200, which ensures that the oil inlet and return pipe 700 is arranged in order and avoids affecting the installation of the base damping spring 600 and the hydraulic cylinder 400. The oil inlet and return pipe 700 is arranged to pass through the side of the bottom wall 203 and further pass through the longitudinal beam to be communicated with the pump station 500.

[0048] In some embodiments of the present application, as shown in Figure 1 The hydraulic cylinder 400 includes the cylinder body 410 and the piston 420.

[0049] The cylinder body 410 is arranged above the bottom wall 203. The piston 420 is partially arranged in the cylinder body and partially extends out of the cylinder body 410. The piston 420 is movable relative to the cylinder body 410 to support and push the engine support 100. The piston 420 is supported at the center of the bottom surface of the engine support 100.

[0050] In some embodiments of the present application, as shown in Figure 1 The end of the piston 420 extending out of the cylinder body 410 is configured as a semispherical shape. The piston 420 is supported at the center of the bottom surface of the engine support 100.

[0051] The contact area between the piston 420 and the bottom surface is small and the force point is always kept at the center of the engine support 100, which ensures the stability of the piston 420 abutting against the engine support 100. In another embodiment of the present application, the end of the piston 420 extending out of the cylinder body 410 is configured as a semispherical shape. The lower bottom surface of the engine support 100 is configured with a spherical groove matched with the piston 420, which further ensures that the end of the piston 420 is at the center of the engine support 100 and ensures the accurate force position.

[0052] In some embodiments of the present application, as shown in Figure 1 The shock pad 300 includes the transverse shock pad 310 and the longitudinal shock pad 320.

[0053] The transverse shock pad 310 is arranged in the mounting groove 204 of the front side wall 201 and the rear side wall 202 respectively. The transverse shock pad 310 is wrapped around the front side of the engine support 100 and the rear side of the engine support 100 respectively. The longitudinal shock pad 320 is arranged between the bottom of the engine support 100 and the lower surface of the mounting groove 204.

[0054] The lateral shock absorbing pads 310 are formed in a U shape at the front and rear side edges to wrap the engine support 100. When the impact load in the vehicle front-rear direction is transmitted to the engine support 100, the lateral shock absorbing pads 310 at the front and rear sides can provide shock absorption, and the lateral shock absorbing pads 310 and the side walls of the mounting groove 204 also form a certain gap, which is conducive to the deformation of the lateral shock absorbing pads 310 when subjected to lateral force. When the impact load in the vertical direction of the vehicle is large, the longitudinal shock absorbing pad 320 can provide greater damping at the bottom of the engine support 100. Among them, the upper part of the longitudinal shock absorbing pad 320 is inclined away from the side wall of the mounting groove 204, so that the upper part of the longitudinal shock absorbing pad 320 and the side wall of the mounting groove 204 form a gap, and when the longitudinal shock absorbing pad 320 is compressed and deformed, there is enough space in the mounting groove 204 to accommodate the longitudinal shock absorbing pad 320, which is conducive to the deformation of the longitudinal shock absorbing pad 320. While ensuring good shock absorption performance, the service life of the lateral shock absorbing pad 310 and the longitudinal shock absorbing pad 320 is improved

[0055] A vehicle according to an embodiment of the present application will be described below.

[0056] The vehicle according to an embodiment of the present application comprises the engine hydraulic suspension assembly 1 according to the above-mentioned embodiments of the present application.

[0057] According to the vehicle of the present application, by using the engine hydraulic suspension assembly 1 according to the above-mentioned embodiments of the present application, the advantages of reducing noise impact, excellent shock absorption performance, and improving service life are achieved.

[0058] In some specific embodiments of the present application, the vehicle further comprises a vehicle controller 800 and a sensor 900, the sensor 900 is in communication connection with the vehicle controller 800, and the sensor 900 is used to monitor the pressure signal of the pressure cylinder. The vehicle controller 800 controls the support force provided by the hydraulic cylinder 400 to the engine support 100 in real time through the pressure signal monitored by the sensor 900. The hydraulic cylinder 400 drives the engine support 100 to move, maintains high shock absorption performance under high impact load, avoids rigid contact between the engine support 100 and the longitudinal beam side support 200, and controls the deformation of the shock absorbing pad 300. Under low impact load, the shock absorbing pad 300 provides a larger shock absorbing stroke to the engine support 100, improving the comfort of the people in the vehicle.

[0059] The engine hydraulic suspension assembly 1 and the other configurations and operations of the vehicle according to the embodiments of the present application are known to those skilled in the art, and will not be described in detail here.

[0060] In the description of the specification, reference to the description of the terms "specific embodiment", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0061] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. An engine hydraulic mount assembly, characterized by, Comprising: an engine support; a longitudinal beam side support configured as a U-shaped beam, the longitudinal beam side support configured with a front side wall, a rear side wall and a bottom wall, the front side wall and the rear side wall each provided with a mounting slot opposite to each other, the engine support movably mounted in the mounting slot of the front side wall and the mounting slot of the rear side wall; a shock pad provided in the mounting slot and between the engine support and the longitudinal beam side support; a hydraulic cylinder mounted on the bottom wall and between the front side wall and the rear side wall, the hydraulic cylinder supported between the bottom of the engine support and the bottom wall, the hydraulic cylinder driving the engine support to move between a high load position and a low load position; a pump station connected to the hydraulic cylinder, the pump station controlling the hydraulic cylinder to provide different support forces to the engine support according to the pressure of the hydraulic cylinder; a base damping spring supported between the bottom wall and the engine support, the base damping spring surrounding radially outside of the hydraulic cylinder; the base damping spring comprising: a first damping spring supported between the bottom wall and the engine support, the base damping spring surrounding the hydraulic cylinder; a second damping spring supported between the bottom wall and the engine support, the second damping spring surrounding radially outside of the first damping spring. wherein the bottom of the engine support is provided with a positioning boss, the first damping spring surrounding and fitting the outer peripheral surface of the positioning boss.

2. The engine hydraulic mount assembly of claim 1, wherein, the hydraulic cylinder connected with an oil inlet and return pipe, the bottom wall of the longitudinal beam side support configured with a pipe slot communicating with the top and side of the bottom wall, the oil inlet and return pipe penetrating the pipe slot and the two ends penetrating out of the top and side of the bottom wall respectively to connect the pump station and the hydraulic cylinder.

3. The engine hydraulic mount assembly of claim 1, wherein, the hydraulic cylinder comprising: a cylinder body mounted on the upper surface of the bottom wall; a piston partially in the cylinder body and partially extending out of the cylinder body, the piston movable relative to the cylinder body to support and push the engine support, the piston supported at the center of the bottom surface of the engine support.

4. The engine hydraulic mount assembly of claim 3, wherein, the end of the piston extending out of the cylinder body configured as a hemisphere, the piston supported at the center of the bottom surface of the engine support.

5. The engine hydraulic mount assembly of claim 1, wherein, the shock pad comprising: a transverse shock pad respectively in the mounting slot of the front side wall and the rear side wall, and the transverse shock pad respectively wrapped around the front side of the engine support and the rear side of the engine support; a longitudinal shock pad between the bottom of the engine support and the lower surface of the mounting slot.

6. A vehicle characterized by comprising: Comprising: the engine hydraulic suspension assembly according to any one of claims 1-5.

7. The vehicle of claim 6, wherein Further comprising: a vehicle controller; a sensor in communication connection with the vehicle controller, the sensor for monitoring the pressure signal of the pressure cylinder, the vehicle controller controlling the support force provided by the hydraulic cylinder to the engine support in real time through the pressure signal monitored by the sensor.

Images