Multistage damping suspension device of diesel engine

Abstract

The utility model discloses a multistage damping suspension device for a diesel engine, which belongs to the technical field of automobile chassis parts and comprises a bracket, two damping spring assemblies with vertically arranged compression tracks are respectively arranged on a group of opposite sides of the bracket, the bottoms of the two damping spring assemblies are jointly connected with a second engine fixing beam, and the second engine fixing beam is connected with a second engine fixing beam. The second engine fixing beam is provided with a first engine fixing beam which is located between the two damping spring assemblies and extends upwards, and a rubber mat assembly is installed on the top of the first engine fixing beam. The bracket serves as a bearing part for bearing an engine body, and the damping spring assembly forms first-stage damping arrangement between the bracket and the second engine fixing beam. The upper portion of the first engine fixing beam is connected with the whole vehicle frame through a rubber mat assembly, and another stage of damping arrangement is formed. The two-stage damping arrangement can effectively reduce the vibration amplitude transmitted to the whole vehicle frame when the engine runs, and the two-stage damping parts are combined for use, so that the optimizable space can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile chassis parts, and particularly relates to a multi-stage damping suspension device of a diesel engine. BACKGROUND

[0002] A diesel engine, also known as a diesel engine, is a heat engine that converts chemical energy into mechanical energy using diesel as fuel. The working process of a diesel engine has many similarities with that of a gasoline engine, and each working cycle also goes through four strokes of intake, compression, work and exhaust. However, since the fuel used by the diesel engine is diesel, its viscosity is larger than that of gasoline, it is not easy to evaporate, and its self-ignition temperature is lower than that of gasoline, so the formation of combustible mixture and ignition mode are different from those of a gasoline engine. The mixture in the cylinder of the diesel engine is compression ignited, not ignited.

[0003] The diesel engine has sufficient power and strong load-carrying capacity. The diesel motorcycle and diesel three-wheeled vehicle have many advantages such as light weight, fast speed, fuel saving and durability, and can well adapt to various road conditions and environment, and are liked by the majority of users. However, the diesel engine generates relatively large vibration during operation, which is much larger than that of a gasoline engine, thereby increasing the vibration of the whole vehicle, affecting the comfort of the driver, and adversely affecting the service life of the whole vehicle and parts.

[0004] The traditional three-wheeled vehicle and diesel motorcycle have two suspension modes, one is rubber suspension and the other is rigid fixation. The two structures have no obvious damping effect on the whole vehicle with a single-cylinder vertical engine, which seriously affects the performance of the whole vehicle of this type, and simply relying on optimization of the damping parts has the problems of difficult damping performance improvement and limited improvement space. UTILITY MODEL CONTENTS

[0005] To solve the problems of difficult damping performance optimization and limited improvement space on the whole vehicle with a single-cylinder vertical engine, the utility model provides a multi-stage damping suspension device of a diesel engine.

[0006] The utility model is realized by the following technical scheme:

[0007] A multi-stage damping suspension device of a diesel engine, comprising a bracket, a group of opposite sides of the bracket are respectively provided with two compression track vertical damping spring assemblies, the bottoms of the two damping spring assemblies are jointly connected with an engine fixing beam two, the engine fixing beam two is provided with an engine fixing beam one between the two damping spring assemblies and extending upward, and a rubber pad assembly is installed on the top of the engine fixing beam one.

[0008] The bracket is a bearing component for bearing the engine body, a first damping arrangement is formed between the bracket and the engine fixing beam two by the damping spring assembly, the upper portion of the engine fixing beam one is connected with the whole vehicle frame through the rubber pad assembly, and a second damping arrangement is formed, two-stage damping arrangements can effectively reduce the vibration amplitude transmitted to the whole vehicle frame when the engine is running, and the combined use of the two-stage damping components helps to greatly improve the optimization space.

[0009] Further improvement of the utility model still has, the above-mentioned bracket includes the support plate below the engine body installation position, the support plate is equipped with the fixed footboard that extends outward and is connected the top of damping spring assembly on a group of opposite sides.

[0010] Further improvement of the utility model still has, the above-mentioned support plate is whole and presents the structure of the N type.

[0011] Further improvement of the utility model still has, the two vertical edges of the above-mentioned support plate are connected with the reinforcing rib plate one, and the vertical edge of the support plate is connected with the reinforcing rib plate two between the fixed footboard.

[0012] Further improvement of the utility model still has, the lower portion of the above-mentioned engine fixing beam one is connected with the reinforcing rib plate four between the engine fixing beam two.

[0013] Further improvement of the utility model still has, the above-mentioned rubber pad assembly includes the support plate one installed on the outside of the engine fixing beam one, and the support plate one is connected with the support plate two through the rubber pad block.

[0014] Further improvement of the utility model still has, the above-mentioned support plate one is fixed by the through hole of the engine fixing beam one being penetrated by the fixing beam bolt and being matched with the nut.

[0015] Further improvement of the utility model still has, the above-mentioned engine fixing beam one is equipped with the reinforcing rib plate three corresponding with the support plate one.

[0016] Further improvement of the utility model still has, the above-mentioned engine fixing beam one is the tubular structure, and the upper end of the engine fixing beam one is the bending shape of outwardly folding.

[0017] From the above technical scheme, the beneficial effects of the utility model are that the bracket is a bearing component for bearing the engine body, a first damping arrangement is formed between the bracket and the engine fixing beam two by the damping spring assembly, the upper portion of the engine fixing beam one is connected with the whole vehicle frame through the rubber pad assembly, and a second damping arrangement is formed, two-stage damping arrangements can effectively reduce the vibration amplitude transmitted to the whole vehicle frame when the engine is running, and the combined use of the two-stage damping components helps to greatly improve the optimization space. ACCURACY OF DRAWINGS

[0018] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the structural schematic diagram of the embodiment of the utility model.

[0020] Figure 2 It is the first structural schematic diagram of the rubber pad assembly of the embodiment of the utility model.

[0021] Figure 3 It is the second structural schematic diagram of the rubber pad assembly of the embodiment of the utility model.

[0022] Figure 4 It is the combined schematic diagram of the damping suspension device on the whole vehicle frame of the embodiment of the utility model.

[0023] In the drawings: 10, bracket;11, supporting plate;12, fixed footboard;13, reinforcing rib plate one;14, reinforcing rib plate two;20, engine fixed beam one;21, reinforcing rib plate three;22, reinforcing rib plate four;30, rubber pad assembly;31, supporting plate one;32, supporting plate two;33, fixed beam bolt;34, rubber pad block;40, damping spring assembly;50, engine fixed beam two. Specific embodiments

[0024] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0025] As Figures 1-4As shown, a diesel engine multistage damping suspension device, including a bracket 10, a group of opposite edges of the bracket 10 is respectively provided with two compression track along the vertical damping spring assembly 40, the bottom of two damping spring assembly 40 is connected with engine fixed beam two 50, the engine fixed beam two 50 is provided with engine fixed beam one 20 between two damping spring assembly 40 and extends upward, the top of the engine fixed beam one 20 is installed with rubber pad assembly 30. Bracket 10 as the load bearing component of engine body, damping spring assembly 40 forms a first stage damping setting between bracket 10 and engine fixed beam two 50; the upper part of engine fixed beam one 20 is connected with the whole vehicle frame through rubber pad assembly 30, forming another stage damping setting; two stage damping setting can effectively reduce the vibration amplitude of engine to the whole vehicle frame, and the combination of two stage damping components can help to greatly improve the optimization space.

[0026] The bracket 10 includes a supporting plate 11 below the engine body mounting position, and the supporting plate 11 is in the shape of a whole. A group of opposite edges of the supporting plate 11 is provided with a fixed foot plate 12 extending outward and connecting the top of the damping spring assembly 40. The engine body is installed on the supporting plate 11, and the bottom of the engine body is in contact with the top surface of the supporting plate 11. The top surface of the supporting plate 11 is a hollow structure, which is helpful for heat dissipation of the engine body during operation.

[0027] When the engine body vibrates at the maximum amplitude, the minimum distance between the engine fixed beam two 50 and the fixed foot plate 12 is less than the compressible amplitude of the damping spring assembly 40, so as to avoid the knocking of the engine body during vibration.

[0028] The two vertical edges of the supporting plate 11 are connected with a reinforcing rib plate one 13, and the vertical edge of the supporting plate 11 and the fixed foot plate 12 are connected with a reinforcing rib plate two 14, which helps to improve the structural strength of the bracket 10.

[0029] The lower part of the engine fixed beam one 20 and the engine fixed beam two 50 are connected with a reinforcing rib plate four 22, and the engine fixed beam two 50 is a tubular structure, which helps to improve the structural strength.

[0030] The rubber pad assembly 30 includes a support plate one 31 installed on the outside of the engine fixed beam one 20, the support plate one 31 is connected with a support plate two 32 through a rubber pad block 34; the support plate one 31 is penetrated through the through hole of the engine fixed beam one 20 through the fixed beam bolt 33, and is fixed with the nut; the engine fixed beam one 20 is provided with a reinforcing rib plate three 21 corresponding to the support plate one 31. The vibration amplitude of the engine body during operation is buffered by the damping spring assembly 40 and then by the rubber pad assembly 30, so as to form two stage buffering to reduce the vibration influence on the whole vehicle frame.

[0031] The engine fixed beam one 20 is a tubular structure, and the upper end of the engine fixed beam one 20 is outwardly folded; to realize the suspension installation structure formed by the rubber pad assembly 30 and the whole vehicle frame. The top end of the engine fixed beam one 20 is provided with a horizontal notch, so as to provide an operation space for the connection operation of the engine fixed beam one 20 and the support plate one 31.

[0032] The vertical spacing of the rubber pad assembly 30 to the shock absorbing spring assembly 40 is 340mm-450mm, which helps to play the best damping effect.

[0033] The utility model discloses a diesel engine multistage damping suspension device, and the bracket is the load bearing component of the load bearing engine body, and the damping spring assembly forms the first stage damping setting between the bracket and the engine fixed beam two, the upper portion of the engine fixed beam one is connected whole vehicle frame through the rubber pad assembly, and forms the second stage damping setting, two stage damping settings can effectively reduce the vibration amplitude of the engine operation to whole vehicle frame, and two stage damping components are combined, and it is helpful to greatly improve the optimization space.

[0034] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0035] The terms "upper", "lower", "outer side", "inner side" and the like in the specification and claims of the utility model and the above-mentioned drawings, if there is, are used to distinguish the relative relationship in position, and do not have to be given the nature. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-stage shock absorber mounting device for a diesel engine, comprising a bracket (10), characterized in that, Two shock-absorbing spring assemblies (40) with compression trajectories arranged vertically are respectively provided on a pair of opposite sides of the bracket (10). The bottom of the two shock-absorbing spring assemblies (40) is connected to the second engine fixing beam (50). The second engine fixing beam (50) is provided with an engine fixing beam (20) that is located between the two shock-absorbing spring assemblies (40) and extends upward. A rubber pad assembly (30) is installed on the top of the first engine fixing beam (20).

2. The multi-stage shock absorber mount for a diesel engine according to claim 1, characterized in that, The bracket (10) includes a support plate (11) located below the engine body mounting position, and a pair of opposite sides of the support plate (11) are provided with a fixing foot plate (12) extending outward and connected to the top of the shock absorber spring assembly (40).

3. A multi-stage shock absorber mount for a diesel engine according to claim 2, characterized in that, The tray (11) has an overall U-shaped structure.

4. A multi-stage shock absorber mount for a diesel engine according to claim 3, characterized in that, A reinforcing rib plate one (13) is connected between the two vertical sides of the pallet (11); a reinforcing rib plate two (14) is connected between the vertical side of the pallet (11) and the fixed foot plate (12).

5. A multi-stage shock absorber mount for a diesel engine according to claim 4, characterized in that, The lower part of the engine fixing beam 1 (20) is connected to the engine fixing beam 2 (50) by a reinforcing rib plate 4 (22).

6. A multi-stage shock absorber mount for a diesel engine according to any one of claims 1 to 5, characterized in that, The rubber pad assembly (30) includes a support plate (31) installed on the outside of the engine fixed beam (20), and the support plate (31) is connected to a support plate (32) via a rubber pad block (34).

7. A multi-stage shock absorber mount for a diesel engine according to claim 6, characterized in that, The support plate (31) is fixed by passing through the through hole opened on the engine fixed beam (20) through the fixing beam bolt (33) and cooperating with the nut.

8. A multi-stage shock absorber mount for a diesel engine according to claim 7, characterized in that, The engine fixing beam (20) is provided with a reinforcing rib plate (21) corresponding to the support plate (31).

9. A multi-stage shock absorber mount for a diesel engine according to claim 6, characterized in that, The engine fixing beam (20) is a tubular structure, and the upper end of the engine fixing beam (20) is bent outward.

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