Diesel engine structure oil pan with auxiliary cross beam
By designing an integrated diesel engine structure oil pan with auxiliary beam, the problems of cracking and leakage of oil pan for agricultural machinery are solved, the connection strength and stiffness are enhanced, and the use requirements of agricultural machinery are met.
Patent Information
- Application Number
- CN202422476256.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing agricultural machinery does not have auxiliary support beams, resulting in unreasonable design of the oil pan of the diesel engine and is prone to cracking and leakage.
The diesel engine structure oil pan with auxiliary beam is designed, and the oil pan main structure, auxiliary beam, front bracket mounting plate, flywheel housing mounting plate and front end surface installation reinforcement area are integrated. It is formed by casting to increase the connection strength and stiffness.
It improves the connection strength of the oil pan, reduces leakage, and meets the load-bearing and oil storage needs of diesel engines without auxiliary support beams.
Smart Images

Figure CN223305809U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine oil pan systems, in particular to a diesel engine structural oil pan with an auxiliary crossbeam. Background Art
[0002] With the advancement of agricultural mechanization in China, the agricultural machinery market is booming, with increasing demand for high-horsepower agricultural machinery in particular. Diesel engines play a crucial role in these applications, serving as the chassis. To save space, some agricultural machinery lacks auxiliary support beams, placing higher demands on the engine's strength.
[0003] The defects of the prior art are:
[0004] Since the agricultural machinery in the prior art does not have an auxiliary support beam, the structural design of the oil pan is unreasonable, resulting in cracking of the engine, cracking of the oil pan and leakage. Summary of the Invention
[0005] In response to the above-mentioned problems, the utility model provides a diesel engine structural oil pan with an auxiliary cross beam, the purpose of which is to simplify the structure, reduce the number of interfaces, ensure strength requirements, strengthen the connection between the oil pan and the engine cylinder block, reduce leakage, and meet the load-bearing and oil storage requirements of agricultural machinery without auxiliary support cross beams for the diesel engine oil pan.
[0006] In order to solve the above problems, the technical solution provided by the present invention is as follows:
[0007] The diesel engine structural oil pan with auxiliary crossbeam includes the oil pan main structure, auxiliary crossbeam, front bracket mounting plate, flywheel housing mounting plate, and oil pan front end mounting reinforcement area, including:
[0008] The oil pan main structure, the auxiliary cross beam, the front bracket mounting plate, the flywheel housing mounting plate, and the oil pan front end surface mounting reinforcement area are an integral structure obtained by casting; the auxiliary cross beam is arranged on the left and right sides of the oil pan main structure; the front bracket mounting plate is arranged on the front side of the oil pan main structure; the flywheel housing mounting plate is arranged on the rear end surface of the oil pan main structure; the oil pan front end surface mounting reinforcement area is arranged on the left and right sides of the front end of the oil pan main structure.
[0009] Preferably, the oil pan main structure is provided with mounting through holes and oil drain holes; the mounting through holes are evenly distributed on the upper surface of the oil pan main structure; the oil drain hole is arranged at the bottom of the oil pan main structure and close to one side of the front bracket mounting plate.
[0010] Preferably, auxiliary reinforcing ribs are provided at the connection between the oil pan main structure and the auxiliary cross beam; the auxiliary reinforcing ribs include a transversely arranged auxiliary cross beam and a longitudinally arranged auxiliary reinforcing rib body.
[0011] Preferably, the thickness range of the auxiliary crossbeam is 12 mm to 18 mm; the thickness range of the auxiliary reinforcing rib body is 25 mm to 35 mm.
[0012] Preferably, a plurality of first mounting threaded holes are symmetrically arranged on the surface of the front bracket mounting plate; two of the first mounting threaded holes are used as positioning pin holes after the pin holes are added on the machine; and a stress relief groove is provided at the arrangement position of the first mounting threaded holes on the upper part of the front bracket mounting plate.
[0013] Preferably, the number of the first mounting threaded holes is 10; and the radius of the stress relief groove is 10 mm.
[0014] Preferably, a plurality of second mounting threaded holes are symmetrically arranged on the surface of the flywheel housing mounting plate.
[0015] Preferably, the number of the second mounting threaded holes is 6.
[0016] Preferably, reinforcing ribs are symmetrically provided on the left and right sides of the lower portion of the reinforcement area on the front end surface of the oil pan.
[0017] Preferably, the thickness of the mounting plate on the top of the reinforcement area on the front end surface of the oil pan is in the range of 30 mm to 40 mm; the thickness of the reinforcement rib is in the range of 16 mm to 22 mm, and the length is in the range of 100 mm to 120 mm.
[0018] Compared with the prior art, the present invention has the following advantages:
[0019] 1. Due to the integrated casting design of the oil pan of the utility model, the structure is simple and the number of interfaces is reduced.
[0020] 2. Since the front bracket mounting plate of the oil pan of the utility model is provided with ten connecting bolts to ensure the connection strength, the upper connecting bolt position of the mounting plate includes a stress relief groove, which can effectively reduce stress concentration and ensure strength requirements.
[0021] 3. Since the front end of the oil pan of the present invention is provided with a reinforced mounting area, which can be connected to the side end of the cylinder block, the connection between the oil pan and the engine cylinder block is further strengthened, reducing leakage.
[0022] 4. Since auxiliary cross beams are provided on both sides of the oil pan of the present invention, the overall rigidity of the engine can be increased, thereby ensuring the strength of the engine under the torsional and bending loads generated when the agricultural machinery is working. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model;
[0024] Figure 2a This is a schematic diagram of the auxiliary crossbeam and the front end surface installation reinforcement area of a specific embodiment of the utility model;
[0025] Figure 2b For the specific embodiment of the present utility model Figure 2a Schematic diagram of the cross-section in the AA direction;
[0026] Figure 3 This is a schematic diagram of a front bracket mounting plate according to a specific embodiment of the present invention;
[0027] Figure 4 It is a schematic diagram of a flywheel housing mounting plate according to a specific embodiment of the present utility model.
[0028] Wherein: 1. Oil pan main structure, 2. Auxiliary crossbeam, 3. Front bracket mounting plate, 4. Flywheel housing mounting plate, 5. Oil pan front end face mounting reinforcement area, 1a. Mounting through hole, 1b. Oil drain hole, 2a. Auxiliary reinforcement rib, L1. Auxiliary crossbeam thickness, L2. Auxiliary reinforcement rib body, 3a. First mounting threaded hole, 3b. Dowel pin hole, 2c. Stress relief groove, 4a. Second mounting threaded hole, 5a. Reinforcement rib, 5b. Mounting plate DETAILED DESCRIPTION
[0029] The present invention is further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, modifications of various equivalent forms of the present invention made by those skilled in the art all fall within the scope defined by the claims attached to this application.
[0030] like Figure 1 As shown, the diesel engine structural oil pan with auxiliary cross beam comprises an oil pan main structure 1, an auxiliary cross beam 2, a front bracket mounting plate 3, a flywheel housing mounting plate 4, and an oil pan front end surface mounting reinforcement area 5, wherein:
[0031] The oil pan main structure 1, auxiliary cross beam 2, front bracket mounting plate 3, flywheel housing mounting plate 4, and oil pan front end surface mounting reinforcement area 5 are an integral structure obtained by casting; the auxiliary cross beam 2 is arranged on the left and right sides of the oil pan main structure 1; the front bracket mounting plate 3 is arranged on the front side of the oil pan main structure 1; the flywheel housing mounting plate 4 is arranged on the rear end surface of the oil pan main structure 1; the oil pan front end surface mounting reinforcement area 5 is arranged on the left and right sides of the front end of the oil pan main structure 1.
[0032] It should be noted that the oil pan main structure 1 is provided with mounting through holes 1a and oil drain holes 1b; the mounting through holes 1a are evenly distributed on the upper surface of the oil pan main structure 1; the oil drain hole 1b is arranged at the bottom of the oil pan main structure 1 and close to one side of the front bracket mounting plate 3.
[0033] like Figure 2b As shown, an auxiliary reinforcing rib 2a is provided at the connection between the oil pan main structure 1 and the auxiliary cross beam 2; the auxiliary reinforcing rib 2a comprises a transversely arranged auxiliary cross beam 2 and a longitudinally arranged auxiliary reinforcing rib body L2.
[0034] In this specific embodiment, the thickness L1 of the auxiliary crossbeam 2 is in the range of 12 mm to 18 mm; the thickness of the auxiliary reinforcing rib body L2 is in the range of 25 mm to 35 mm.
[0035] like Figure 3 As shown, it should be noted that a plurality of first mounting threaded holes 3a are symmetrically arranged on the surface of the front bracket mounting plate 3; two of the first mounting threaded holes 3a are used as positioning pin holes 3b after the pin holes are added on the machine; a stress relief groove 2c is provided at the arrangement position of the first mounting threaded holes 3a on the upper part of the front bracket mounting plate 3.
[0036] In this specific embodiment, the number of the first mounting threaded holes 3a is 10; the radius of the stress relief groove 2c is 10 mm.
[0037] It should be further explained that the structure of the front bracket mounting plate 3 can ensure the connection strength of the oil pan and prevent cracking.
[0038] like Figure 4 As shown, it should be noted that a plurality of second mounting threaded holes 4a are symmetrically arranged on the surface of the flywheel housing mounting plate 4.
[0039] In this specific embodiment, the number of the second mounting threaded holes 4a is 6.
[0040] like Figure 2a As shown, it should be noted that reinforcing ribs 5a are symmetrically provided on the left and right sides of the lower portion of the reinforcement area 5 on the front end surface of the oil pan.
[0041] In this specific embodiment, the thickness of the mounting plate 5b at the top of the reinforcement area 5 on the front end surface of the oil pan is in the range of 30 mm to 40 mm; the thickness of the reinforcement rib 5a is in the range of 16 mm to 22 mm, and the length is in the range of 100 mm to 120 mm.
[0042] It should be further explained that the installation of the reinforcement area 5 on the front end surface of the oil pan can improve the installation rigidity and effectively prevent oil leakage from the front end of the oil pan of the agricultural machinery.
[0043] In the foregoing detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that embodiments of the claimed subject matter require more features than are clearly recited in each claim. On the contrary, as reflected in the appended claims, the invention comprises less than all the features of any individual disclosed embodiment. The appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
[0044] The above description of the disclosed embodiments is intended to enable any person skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments presented herein but is intended to be consistent with the broadest scope of the principles and novel features disclosed herein.
[0045] The foregoing description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods for the purposes of describing the above embodiments, but one of ordinary skill in the art will recognize that the various embodiments may be further combined and arranged. Therefore, the embodiments described herein are intended to encompass all such changes, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent the term "comprising" is used in the specification or claims, the term is intended to be encompassed in a manner similar to the term "including," as explained in terms of "including," used as a transitional word in the claims. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or."
[0046] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.
Claims
1. A diesel engine structural oil pan with an auxiliary crossbeam, characterized in that: The oil pan comprises an oil pan main structure (1), an auxiliary crossbeam (2), a front bracket mounting plate (3), a flywheel housing mounting plate (4), and an oil pan front end surface mounting reinforcement area (5), wherein: The oil pan main structure (1), the auxiliary cross beam (2), the front bracket mounting plate (3), the flywheel housing mounting plate (4), and the oil pan front end surface mounting reinforcement area (5) are an integral structure obtained by casting; the auxiliary cross beam (2) is arranged on the left and right sides of the oil pan main structure (1); the front bracket mounting plate (3) is arranged on the front side of the oil pan main structure (1); the flywheel housing mounting plate (4) is arranged on the rear end surface of the oil pan main structure (1); and the oil pan front end surface mounting reinforcement area (5) is arranged on the left and right sides of the front end of the oil pan main structure (1).
2. The diesel engine structural oil pan with auxiliary crossbeam according to claim 1, characterized in that: The oil pan main structure (1) is provided with mounting through holes (1a) and oil drain holes (1b); the mounting through holes (1a) are evenly distributed on the upper surface of the oil pan main structure (1); the oil drain holes (1b) are arranged at the bottom of the oil pan main structure (1) and close to one side of the front bracket mounting plate (3).
3. The diesel engine structural oil pan with auxiliary crossbeam according to claim 2, characterized in that: Auxiliary reinforcing ribs (2a) are provided at the connection between the oil pan main structure (1) and the auxiliary cross beam (2); the auxiliary reinforcing ribs (2a) comprise a transversely arranged auxiliary cross beam (2) and a longitudinally arranged auxiliary reinforcing rib body (L2).
4. The diesel engine structural oil pan with auxiliary crossbeam according to claim 3, characterized in that: The thickness range of the auxiliary crossbeam (2) is 12 mm to 18 mm; the thickness range of the auxiliary reinforcing rib body (L2) is 25 mm to 35 mm.
5. The diesel engine structural oil pan with auxiliary crossbeam according to claim 4, characterized in that: A plurality of first mounting threaded holes (3a) are symmetrically arranged on the surface of the front bracket mounting plate (3); two of the first mounting threaded holes (3a) are used as positioning pin holes (3b) after pin holes are added on a machine; and a stress relief groove (2c) is provided at the arrangement position of the first mounting threaded holes (3a) on the upper part of the front bracket mounting plate (3).
6. The diesel engine structural oil pan with auxiliary crossbeam according to claim 5, characterized in that: The number of the first mounting threaded holes (3a) is 10; the radius of the stress relief groove (2c) is 10 mm.
7. The diesel engine structural oil pan with auxiliary crossbeam according to claim 6, characterized in that: A plurality of second mounting threaded holes (4a) are symmetrically arranged on the surface of the flywheel housing mounting plate (4).
8. The diesel engine structural oil pan with auxiliary crossbeam according to claim 7, characterized in that: The number of the second mounting threaded holes (4a) is 6.
9. The diesel engine structural oil pan with auxiliary crossbeam according to claim 8, characterized in that: Reinforcement ribs (5a) are symmetrically provided on the left and right sides of the lower portion of the reinforcement area (5) installed on the front end surface of the oil pan.
10. The diesel engine structural oil pan with auxiliary crossbeam according to claim 9, characterized in that: The thickness of the mounting plate (5b) at the top of the oil pan front end mounting reinforcement area (5) is in the range of 30 mm to 40 mm; the thickness of the reinforcing rib (5a) is in the range of 16 mm to 22 mm, and the length is in the range of 100 mm to 120 mm.