Flywheel housing of heavy-duty truck

Abstract

The utility model relates to the technical field of flywheel shells, in particular to a heavy-duty truck flywheel shell which comprises a flywheel shell body, the inner side face of the flywheel shell body is a gearbox installation face, the outer side face of the flywheel shell body is a transmitter installation face, and engine rear supporting installation frames are arranged on the left side and the right side of the flywheel shell body. First lightening holes are formed in the engine rear supporting installation frame in the left-right direction and the front-back direction, first reinforcing ribs are arranged in the first lightening holes, and a plurality of engine installation holes are formed in the middle of the flywheel shell body. A second reinforcing rib is arranged on the inner side of the flywheel housing body at the edge of the engine mounting hole; arc-shaped and radial third reinforcing ribs are arranged on the inner side of the flywheel casing body; arc-shaped and radial fourth reinforcing ribs are arranged on the outer side of the flywheel housing body; by arranging various lightening holes and reinforcing ribs, the flywheel casing of the heavy-duty truck can be lighter on the basis of ensuring the strength, and the requirement of light weight is met.

Description

Technical Field

[0001] The utility model relates to the technical field of flywheel housings, in particular to a flywheel housing for a heavy-duty truck. Background Art

[0002] The patent with authorization announcement number CN204611223U discloses a flywheel housing for a heavy-duty diesel engine, including a flywheel housing body formed by casting an aluminum alloy, the flywheel housing body including a shot peening treatment portion, the shot peening treatment portion is located in a high-load-bearing area of ​​the flywheel housing body, and the high-load-bearing area is located in the lower left and lower right areas of the crankshaft rear oil seal mounting hole; reinforcing ribs are provided on one side of the flywheel housing body connected to the cylinder block; the disadvantage of this solution is that the flywheel housing is heavy and cannot meet the requirements of lightweight. Utility Model Content

[0003] The main purpose of the utility model is to provide a flywheel housing for a heavy-duty truck, so as to solve the problem that the flywheel housing is heavy in the above-mentioned prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a flywheel housing for a heavy-duty truck, including a flywheel housing body, the inner side of the flywheel housing body is a gearbox mounting surface, the outer side is a transmitter mounting surface, the left and right sides of the flywheel housing body are provided with an engine rear support mounting frame, the engine rear support mounting frame is provided with a first weight reduction hole in the left and right directions and the front and rear directions, a first reinforcement rib is provided in the first weight reduction hole, and a plurality of engine mounting holes are provided in the middle of the flywheel housing body.

[0005] Furthermore, a second reinforcing rib is provided on the inner side of the flywheel housing body at the edge of the engine mounting hole.

[0006] Furthermore, arc-shaped and radial third reinforcing ribs are provided on the inner side of the flywheel housing body.

[0007] Furthermore, arc-shaped and radial fourth reinforcing ribs are provided on the outer side of the flywheel housing body.

[0008] Furthermore, the engine rear support mounting frame is provided with engine rear support mounting holes along the left and right directions; the engine rear support mounting holes are arranged along the left and right directions, which makes the engine rear support more compact and saves space after being installed.

[0009] Furthermore, a second weight-reducing hole is provided on the flywheel housing body near the engine mounting hole, and a fifth reinforcing rib is provided in the second weight-reducing hole.

[0010] Furthermore, a clamping groove is provided at the lower part of the flywheel housing body; the clamping groove is used as a grasping groove of a robot when processing the flywheel housing.

[0011] The utility model can make the flywheel housing of a heavy-duty truck lighter in weight while ensuring strength by arranging a variety of weight-reducing holes and reinforcing ribs, thereby meeting the requirement of lightweighting. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0013] Figure 1 It is a schematic diagram of the structure inside the embodiment;

[0014] Figure 2 It is a schematic diagram of the structure outside the embodiment;

[0015] In the figure: 1. flywheel housing body; 2. engine rear support mounting bracket; 3. first reinforcing rib; 4. engine mounting hole; 5. fourth reinforcing rib; 6. second reinforcing rib; 7. third reinforcing rib; 8. engine rear support mounting hole; 9. fifth reinforcing rib; 10. slot. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] like Figure 1 to Figure 2 As shown, according to an embodiment of the utility model, a flywheel housing for a heavy-duty truck is provided, comprising a flywheel housing body 1 made of aluminum alloy, the inner side of the flywheel housing body 1 being a gearbox mounting surface, the outer side being a transmitter mounting surface, the left and right sides of the flywheel housing body 1 being provided with an engine rear support mounting frame 2, the engine rear support mounting frame 2 being provided with a first weight-reducing hole along the left-right direction and the front-back direction, the first weight-reducing hole being provided with a first reinforcing rib 3, a plurality of engine mounting holes 4 being provided in the middle portion of the flywheel housing body 1; a second reinforcing rib 6 being provided on the inner side of the flywheel housing body 1 at the edge of the engine mounting hole 4.

[0018] The inner side of the flywheel housing body 1 is provided with arc-shaped and radial third reinforcing ribs 7, and the outer side is provided with arc-shaped and radial fourth reinforcing ribs 5; a second weight-reducing hole is provided on the flywheel housing body near the engine mounting hole, and a fifth reinforcing rib is provided in the second weight-reducing hole.

[0019] The engine rear support mounting frame 2 is provided with engine rear support mounting holes 8 along the left-right direction; the engine rear support mounting holes are arranged along the left-right direction, which is more compact and space-saving after being installed with the engine rear support.

[0020] A clamping groove is arranged at the lower part of the flywheel housing body; the clamping groove is used as a grasping groove of a robot when processing the flywheel housing.

[0021] The flywheel housing in the prior art has an average wall thickness of 7 mm, while the flywheel housing in this embodiment has an average wall thickness of 5 mm; the mass of the flywheel housing in the prior art is 32.5 kg, while the mass of the flywheel housing in this embodiment is 16 kg; this embodiment reduces the mass of the flywheel housing while ensuring the strength by providing reinforcing ribs and weight-reducing holes, thereby meeting the requirements of lightweight.

[0022] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flywheel housing for a heavy-duty truck, comprising a flywheel housing body (1), characterized in that: The inner side surface of the flywheel housing body (1) is a gearbox mounting surface, and the outer side surface is a transmission mounting surface. The left and right sides of the flywheel housing body (1) are provided with an engine rear support mounting frame (2). The engine rear support mounting frame (2) is provided with a first weight reduction hole in both the left and right directions and the front and rear directions. A first reinforcing rib (3) is provided in the first weight reduction hole. A plurality of engine mounting holes (4) are provided in the middle of the flywheel housing body (1).

2. The heavy-duty truck flywheel housing according to claim 1, characterized in that: A second reinforcing rib (6) is provided on the inner side of the flywheel housing body (1) at a portion located at the edge of the engine mounting hole (4).

3. The flywheel housing of a heavy-duty truck as claimed in claim 1, characterized in that: Arc-shaped and radial third reinforcing ribs (7) are provided on the inner side of the flywheel housing body (1).

4. The heavy-duty truck flywheel housing according to claim 1, characterized in that: The outer side of the flywheel housing body (1) is provided with arc-shaped and radial fourth reinforcing ribs (5).

5. The flywheel housing of a heavy-duty truck as claimed in claim 1, characterized in that: The engine rear support mounting frame (2) is provided with an engine rear support mounting hole (8) along the left-right direction.

6. The flywheel housing of a heavy-duty truck as claimed in claim 1, characterized in that: A second weight-reducing hole is provided on the flywheel housing body (1) at a position close to the engine mounting hole (4), and a fifth reinforcing rib (9) is provided in the second weight-reducing hole.

7. The flywheel housing of a heavy-duty truck as claimed in claim 1, characterized in that: A clamping groove (10) is provided at the lower part of the flywheel housing body (1).

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