Compact front end wheel train structure of engine for tractor

Abstract

The utility model discloses an engine compact type front end wheel train structure for a tractor. Comprising a crankshaft belt pulley I, a crankshaft belt pulley II, a tensioning wheel assembly, a generator belt pulley I, a generator belt pulley II, an idle wheel assembly I, an idle wheel assembly II, an air conditioner belt pulley, a water pump belt pulley I, a water pump belt pulley II, a poly V-belt I, a poly V-belt II, a cog belt I, a cog belt II and a gear chamber cover. The problem of matching adaptability of an existing engine and a wheeled tractor type is solved.

Description

Technical Field

[0001] This utility model relates to the field of engines, and in particular to a compact front-end wheel system structure for a tractor engine. Background Technology

[0002] To address the compatibility issue between the engine and wheeled trailer vehicles, a compact, highly integrated, adaptable, and versatile full-function front wheel system structure is required. This structure should feature two fan mounting heights with identical mounting bolt hole sizes and numbers. The front end should also be able to accommodate an optional air conditioning compressor with a detachable mounting bracket. Furthermore, the design should minimize front wheel system space, achieving a compact and rational spatial structure to provide a full-function front wheel system solution for compact engine-equipped wheeled trailer vehicles. Utility Model Content

[0003] The purpose of this invention is to provide a compact front-end wheel system structure for tractor engines, solving the problem of compatibility between existing engines and wheeled tractor models.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A compact front-end pulley system structure for a tractor engine includes: crankshaft pulley I, crankshaft pulley II, tensioner assembly, generator pulley I, generator pulley II, idler assembly I, idler assembly II, air conditioner pulley, water pump pulley I, water pump pulley II, multi-ribbed belt I, multi-ribbed belt II, toothed belt I, toothed belt II, and gear chamber cover;

[0006] The crankshaft pulley I or crankshaft pulley II is located in the lower-middle position in front of the gear chamber cover;

[0007] The tensioner assembly is located on the upper left side of the crankshaft pulley;

[0008] The generator pulley I or generator pulley II is located on the upper left side of the tensioner assembly;

[0009] The idler pulley assembly I is located on the upper right side of the generator pulley;

[0010] The water pump pulley I or water pump pulley II is located above the crankshaft pulley and on the upper right side of the idler assembly;

[0011] The idler pulley assembly II is located to the lower right of the water pump pulley I and to the upper right of the tensioner assembly;

[0012] The air conditioner pulley is located above the generator pulley and to the upper left of the water pump pulley I and idler assembly I.

[0013] The tractor's full-function engine front-end wheel system structure is simple and reliable to install, easy to disassemble and assemble, and has a compact and reasonable structure with high integration and strong adaptability. It can be flexibly changed according to the overall vehicle layout and has strong compatibility. In addition, it adopts multi-wedge belt drive, which is reliable and has low noise. Therefore, it is suitable for widespread promotion.

[0014] As a further preferred embodiment of this utility model, the air conditioner bracket is provided, the air conditioner compressor is an optional component, and the air conditioner bracket has a detachable structure. The air conditioner compressor is installed on the air conditioner bracket; if the air conditioner compressor is not installed, the air conditioner bracket can be removed.

[0015] As a further preferred embodiment of this utility model, the fan component can be installed at two different heights, and the size and number of the mounting screw holes are exactly the same; the first type: the fan component can be installed on the water pump pulley I at a higher position; the second type: the fan component can be installed on the water pump pulley II at a lower position.

[0016] As a further preferred embodiment of this utility model, there is a single-layer gear train, in which a multi-wedge belt I wraps around the crankshaft pulley I, the tensioner assembly, the generator pulley I, the idler assembly I, the air conditioner pulley, the water pump pulley I, and the idler assembly II for transmission.

[0017] As a further preferred embodiment of this utility model, there is a single-layer gear train, in which a multi-wedge belt II wraps around the crankshaft pulley I, the tensioner assembly, the generator pulley I, the water pump pulley I, and the idler assembly II for transmission.

[0018] As a further preferred embodiment of this utility model, there is a two-layer gear system. The toothed belt I passes around the inner toothed pulley of the generator pulley II and the water pump pulley II for transmission; the toothed belt II passes around the outer toothed pulley of the crankshaft pulley II, the tensioner assembly, and the water pump pulley II for transmission.

[0019] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0020] 1. The front wheel system structure of the full-function engine for tractors is simple and reliable to install, easy to disassemble and assemble, and has a compact and reasonable structure with high integration and strong deformation and combination capabilities. It can be flexibly changed according to the overall vehicle layout and has strong compatibility. In addition, it adopts multi-wedge belt drive, which is reliable and has low noise, so it is suitable for widespread promotion. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the front wheel system structure of a full-function engine for a tractor with an air conditioning compressor.

[0022] Figure 2This is a front view schematic diagram of a tractor's full-function engine front wheel system structure with an air conditioning compressor, according to the present invention.

[0023] Figure 3 This is a three-dimensional structural diagram of the front wheel system structure of a full-function engine for a tractor without an air conditioning bracket, according to the present invention.

[0024] Figure 4 This is a front view schematic diagram of a tractor's full-function engine front wheel system structure without an air conditioning bracket.

[0025] Figure 5 This is a three-dimensional structural diagram of a tractor's full-function engine front wheel system with a lowered fan mounting position, according to the present invention.

[0026] Figure 6 This is a front view schematic diagram of the fan mounting position of the front wheel system structure of a full-function engine for tractors with a lowered position.

[0027] Explanation of main reference numerals: 1-Crankshaft pulley I, 10-Crankshaft pulley II, 2-Tensioner assembly, 3-Generator pulley I, 11-Generator pulley II, 4-Idler assembly I, 7-Idler assembly II, 5-Air conditioner pulley, 6-Water pump pulley I, 12-Water pump pulley II, 8-Multi-ribbed belt I, 9-Multi-ribbed belt II, 13-Toothed belt I, 14-Toothed belt II, 15-Gear chamber cover, 16-Air conditioner bracket. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0029] 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 merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Specific Implementation Example 1:

[0035] Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6A front-end gear train structure for a tractor's full-function engine is shown, including: crankshaft pulley I-1 or crankshaft pulley II-10, located in the lower-middle position in front of the gear chamber cover-15; tensioner assembly-2 located on the upper left side of the crankshaft pulley; generator pulley I-3 or generator pulley II-11 located on the upper left side of the tensioner assembly; idler pulley assembly I-4 located on the upper right side of the generator pulley; water pump pulley I-6 or water pump pulley II-12 located above the crankshaft pulley and on the upper right side of the idler pulley assembly; idler pulley assembly II-7 located on the lower right side of the water pump pulley I and on the upper right side of the tensioner assembly; and air conditioner pulley-5 located on the front of the engine. Above the motor pulley and to the upper left of the water pump pulley I and idler assembly I; multi-ribbed belt I-8 passes around crankshaft pulley I, tensioner assembly, generator pulley I, idler assembly I, water pump pulley I, and idler assembly II for transmission; multi-ribbed belt II-9 passes around crankshaft pulley I, tensioner assembly, generator pulley I, water pump pulley I, and idler assembly II for transmission; toothed belt I-13 passes around the inner toothed pulleys of generator pulley II and water pump pulley II for transmission; toothed belt II-14 passes around the outer toothed pulleys of crankshaft pulley II, tensioner assembly, and water pump pulley II for transmission. Specific Implementation Example 2:

[0037] This embodiment adds an air conditioning compressor to specific embodiment 1. The air conditioning compressor is an optional component, and the air conditioning unit bracket 16 is a detachable structure. The air conditioning compressor is installed on the air conditioning unit bracket 16; if the air conditioning compressor is not installed, the air conditioning unit bracket 16 can be removed, thus avoiding increased costs. Specific Implementation Example 3:

[0039] This embodiment adds a fan component to specific embodiment 1. The fan component can be installed in a more flexible position, providing two height options for installation, with identical mounting screw hole sizes and numbers. First, the fan component can be installed on the higher water pump pulley I-6; second, the fan component can be installed on the lower water pump pulley II-12. Specific Implementation Example 4:

[0041] A front-end wheel system structure for a tractor's full-function engine with an air conditioning compressor: a multi-ribbed belt I-8 passes around crankshaft pulley I-1, tensioner assembly-2, generator pulley I-3, idler assembly I-4, air conditioner pulley-5, water pump pulley I-6, and idler assembly II-7 for transmission; wherein, crankshaft pulley I-1 is the driving pulley. Specific Implementation Example 5:

[0043] A front-end wheel system structure for a tractor's full-function engine without an air conditioning compressor: a multi-ribbed belt II-9 passes around crankshaft pulley I-1, tensioner assembly-2, generator pulley I-3, water pump pulley I-6, and idler assembly II-7 for transmission; wherein, crankshaft pulley I-1 is the driving pulley.

[0044] The air conditioning compressor is an optional component for the vehicle manufacturer and can be added as needed. The air conditioning unit bracket 16 is a detachable structure; if the air conditioning compressor is not installed, the air conditioning unit bracket 16 can be removed, thus avoiding additional costs.

[0045] Example 6:

[0046] A fan mounting position is lowered in the front wheel system structure of a tractor full-function engine: toothed belt I-13 wraps around the inner toothed pulley of generator pulley II-11 and water pump pulley II-12 for transmission; toothed belt II-14 wraps around the outer toothed pulley of crankshaft pulley II-10, tensioner assembly-2, and water pump pulley II-12 for transmission; wherein, crankshaft pulley II-10 is the driving pulley.

[0047] Compared with existing technologies, the front wheel system structure of a full-function engine for tractors according to this utility model is simple and reliable to install, easy to disassemble and assemble, and has a compact and reasonable structure with high integration and strong deformation and combination capabilities. It can be flexibly changed according to the overall vehicle layout and has strong adaptability. In addition, it adopts multi-wedge belt drive, which is reliable and has low noise. Therefore, it is suitable for widespread promotion. This utility model is applicable to 3.8-liter and 4.0-liter engines.

[0048] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A compact front-end wheel system structure for a tractor engine, characterized in that: include: Crankshaft pulley I, crankshaft pulley II, tensioner assembly, generator pulley I, generator pulley, idler assembly I, idler assembly II, air conditioner pulley, water pump pulley I, water pump pulley II, multi-ribbed belt I, multi-ribbed belt II, toothed belt I, toothed belt II, and gear chamber cover; The crankshaft pulley I or crankshaft pulley II is located in the lower-middle position in front of the gear chamber cover; The tensioner assembly is located on the upper left side of the crankshaft pulley; The generator pulley I or generator pulley II is located on the upper left side of the tensioner assembly; The idler pulley assembly I is located on the upper right side of the generator pulley; The water pump pulley I or water pump pulley II is located above the crankshaft pulley and on the upper right side of the idler assembly; The idler pulley assembly II is located to the lower right of the water pump pulley I and to the upper right of the tensioner assembly; The air conditioner pulley is located above the generator pulley and to the upper left of the water pump pulley I and idler assembly I.

2. The compact front-end wheel system structure for a tractor engine according to claim 1, characterized in that: An air conditioner bracket is provided; the air conditioner compressor is an optional accessory; and the air conditioner bracket has a detachable structure.

3. The compact front-end wheel system structure for a tractor engine according to claim 2, characterized in that: The air conditioner compressor is installed on the air conditioner bracket; if the air conditioner compressor is not to be installed, the air conditioner bracket can be removed.

4. The compact front-end wheel system structure for a tractor engine according to claim 1, characterized in that: Also includes: The fan component can be installed at two different heights, with identical sizes and numbers of mounting screw holes. The first type is where the fan component can be installed on the higher water pump pulley I; the second type is where the fan component can be installed on the lower water pump pulley II.

5. The compact front-end wheel system structure for a tractor engine according to claim 1, characterized in that: There is a single-layer gear train, with a multi-ribbed belt I wrapping around the crankshaft pulley I, tensioner assembly, generator pulley I, idler assembly I, air conditioner pulley, water pump pulley I, and idler assembly II for transmission.

6. The compact front-end wheel system structure for a tractor engine according to claim 1, characterized in that: There is a single-layer gear train, with a multi-ribbed belt II wrapping around the crankshaft pulley I, tensioner assembly, generator pulley I, water pump pulley I, and idler assembly II for transmission.

7. The compact front-end wheel system structure for a tractor engine according to claim 1, characterized in that: There are two gear trains. Toothed belt I passes around the inner toothed pulleys of generator pulley II and water pump pulley II for transmission. Toothed belt II passes around the outer toothed pulleys of crankshaft pulley II, tensioner assembly, and water pump pulley II for transmission.

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