Lubricating device for multistage gear train of diesel engine

Abstract

The utility model discloses a multistage gear train lubricating device of a diesel engine, which comprises a gear box and an engine oil filter, the engine oil filter supplies oil to the gear box through a lubricating oil pipe, a transmission gear is arranged in the gear box, a plurality of lubricating injection joints which are arranged at intervals are arranged on the gear box, and the lubricating oil pipe comprises a lubricating main pipe and a lubricating branch pipe. The nearest end of the lubricating main pipe is connected with the engine oil filter, the farthest end of the lubricating main pipe is connected with the lubricating spraying connector at the farthest end of the gearbox, the other lubricating spraying connectors are connected with lubricating branch pipes, and the lubricating branch pipes are communicated with the lubricating main pipe through lubricating three-way joints. The utility model has the beneficial effects that: the defects of insufficient lubrication and low lubrication efficiency of the multi-stage gear train of the diesel engine can be effectively overcome; and the lubricating pipeline is simple in structure, an additional lubricating spraying device does not need to be added, and the arrangement space is saved while the cost of parts is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the lubrication of a multi-stage gear system of a diesel engine, in particular to a lubricating device for a multi-stage gear system of a diesel engine. Background Art

[0002] With the increasing demand for gear transmission output interfaces on off-road engines, engine gears are also increasingly requiring multi-stage gear train designs. To ensure reliable operation of these multi-stage gear trains, lubrication and cooling of these gears are crucial, directly impacting the long-term operation of the engine. Currently, lubrication injection is typically achieved by adding specialized injection nozzles, which increases cost, takes up space, and is unfavorable to overall layout. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a diesel engine multi-stage gear train lubrication device.

[0004] The purpose of the utility model is achieved through the following technical solutions: a diesel engine multi-stage gear train lubrication device, including a gear box and an oil filter, the oil filter supplies oil to the gear box through a lubricating oil pipe, a transmission gear is installed in the gear box, and a plurality of lubricating injection joints arranged at intervals are opened on the gear box, the lubricating oil pipe includes a lubricating main pipe and a lubricating branch pipe, the proximal end of the lubricating main pipe is connected to the oil filter, the farthest end of the lubricating main pipe is connected to the farthest lubricating injection joint on the gear box, and the remaining lubricating injection joints are connected to the lubricating branch pipes, and the lubricating branch pipes are connected to the lubricating main pipe through a lubricating tee joint.

[0005] Optionally, the lubrication main pipe is a hose, and a fixing plate is installed on the lubrication main pipe, and the fixing plate is installed on the housing of the diesel engine.

[0006] Optionally, a tee joint is further provided on the lubrication main pipe between adjacent lubrication tee joints, and one end of the tee joint is connected to a corresponding lubrication injection joint on the gear box.

[0007] Optionally, a lubrication injection connector is provided on the gearbox at the meshing location of the transmission gears.

[0008] Optionally, a protective sleeve is sleeved on the lubrication main pipe, and a slot for snapping into the protective sleeve is provided on the fixing plate.

[0009] Optionally, the protective cover is a rubber cover.

[0010] Optionally, the fixing plate has a double-layer structure, one end of the fixing plate is provided with a mounting hole, and the other end of the fixing plate forms an annular groove.

[0011] The utility model has the following advantages: the diesel engine multi-stage gear system lubrication device of the utility model can effectively solve the problems of insufficient lubrication and low lubrication efficiency of the diesel engine multi-stage gear system; and the lubrication pipeline structure is simple, and no additional lubrication injection device is required, which effectively reduces the cost of parts and saves layout space. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model

[0013] Figure 2 Schematic diagram of the structure of the fixed plate

[0014] In the figure, 1-oil filter, 2-fixed plate, 3-lubrication main pipe, 4-softening tee joint, 5-lubrication branch pipe, 6-tee joint, 7-lubrication injection joint, 8-gear box, 9-protective sleeve, 10-annular groove. DETAILED DESCRIPTION

[0015] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0019] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0020] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] like Figure 1 As shown, a multi-stage gear train lubrication device for a diesel engine includes a gearbox 8 and an oil filter 1. The oil filter 1 supplies oil to the gearbox 8 through a lubricating oil pipe. The gearbox 8 is equipped with a transmission gear and is provided with a plurality of spaced lubricating injection joints 7. The lubricating oil pipe includes a lubricating main pipe 3 and a lubricating branch pipe 5. The proximal end of the lubricating main pipe 3 is connected to the oil filter 1, and the distal end of the lubricating main pipe 3 is connected to the distal lubricating injection joint 7 on the gearbox 8. The remaining lubricating injection joints 7 are connected to the lubricating branch pipes 5. The lubricating branch pipes 5 are connected to the lubricating main pipe 3 through a lubricating tee 4. During use, multiple lubricating tees 4 can be designed according to the structural characteristics of the diesel engine gear chamber to connect the lubricating branch pipes 5 to the lubricating main pipe 3, while multiple lubricating injection joints 7 can be allocated. Through the conformal design, lubricating oil can be efficiently and accurately sprayed onto the gears, providing sufficient lubrication and cooling, ensuring long-term and reliable engine operation.

[0022] In this embodiment, if Figure 1 As shown, the lubrication main pipe 3 is a hose, and a fixing plate 2 is installed on the lubrication main pipe 3. The fixing plate 2 is installed on the housing of the diesel engine. Preferably, the lubrication main pipe 3 and the lubrication branch pipe 5 are both soft rubber hoses. The lubrication main pipe 3 is installed through the fixing plate 2, so as to avoid bending of the lubrication main pipe 3 and ensure the reliability of oil supply.

[0023] In this embodiment, if Figure 1As shown, a tee joint 6 is further provided on the lubrication main pipe 3 between adjacent lubrication tee joints 4. One end of the tee joint 6 is connected to the corresponding lubrication injection joint 7 on the gear box 8, thereby increasing the oil supply interface of the lubricating oil, saving hoses, facilitating the installation of the lubricating oil circuit, and reducing the space requirement of the lubricating oil circuit.

[0024] In this embodiment, if Figure 1 As shown, the lubrication injection joint 7 is provided on the gear box 8 at the meshing position of the transmission gear, so that the lubricating oil can directly act on the meshing position of the transmission gear, thereby ensuring the lubrication and cooling effects.

[0025] In this embodiment, if Figure 1 As shown, a protective sleeve 9 is mounted on the lubrication main pipe 3, and a slot for inserting the protective sleeve 9 is provided on the fixing plate 2. In this embodiment, the fixing plate 2 is a thin-walled iron plate, and the lubrication main pipe 3 is protected by the protective sleeve 9, thereby preventing the fixing plate 2 from damaging the lubrication main pipe 3.

[0026] In this embodiment, the protective cover 9 is a rubber cover. Figure 2 As shown, the fixing plate 2 has a double-layer structure, one end of the fixing plate 2 is provided with a mounting hole, and the other end of the fixing plate 2 forms an annular groove 10. During production, the protective cover 9 is placed in the middle of the fixing plate 2, and then the thin-walled fixing plate 2 is folded in half to form the annular groove 10. The closed part of the annular groove 10 is then squeezed to form a flat part, so that the annular groove 10 clamps the protective cover 9.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A diesel engine multi-stage gear train lubrication device comprising a gearbox and an oil filter, wherein the oil filter supplies oil to the gearbox through a lubricating oil pipe, and a transmission gear is installed in the gearbox, characterized in that: The gearbox is provided with a number of lubrication injection joints arranged at intervals. The lubrication oil pipe includes a lubrication main pipe and a lubrication branch pipe. The proximal end of the lubrication main pipe is connected to the oil filter, and the farthest end of the lubrication main pipe is connected to the farthest lubrication injection joint on the gearbox. The remaining lubrication injection joints are connected to the lubrication branch pipes, and the lubrication branch pipes are connected to the lubrication main pipe through a lubrication tee joint.

2. A diesel engine multi-stage gear train lubrication device according to claim 1, characterized in that: The lubrication main pipe is a hose, and a fixing plate is installed on the lubrication main pipe, and the fixing plate is installed on the housing of the diesel engine.

3. A diesel engine multi-stage gear train lubrication device according to claim 2, characterized in that: A tee joint is further provided on the lubrication main pipe between adjacent lubrication tee joints, and one end of the tee joint is communicated with the corresponding lubrication injection joint on the gear box.

4. A diesel engine multi-stage gear train lubrication device according to claim 3, characterized in that: The lubrication injection joint is provided on the gear box at the meshing position of the transmission gear.

5. A diesel engine multi-stage gear train lubrication device according to claim 4, characterized in that: A protective sleeve is sleeved on the lubrication main pipe, and a slot for inserting the protective sleeve is provided on the fixing plate.

6. A diesel engine multi-stage gear train lubrication device according to claim 5, characterized in that: The protective sleeve is a rubber sleeve.

7. A diesel engine multi-stage gear train lubrication device according to claim 5, characterized in that: The fixing plate is a double-layer structure, one end of the fixing plate is provided with a mounting hole, and the other end of the fixing plate forms an annular groove.

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