Single-cylinder direct connection wheeled tractor

Abstract

The utility model relates to a single-cylinder direct connection wheeled tractor which comprises a single-cylinder diesel engine, a front axle, a pressure plate dry clutch, a gap bridge box, a gearbox, a rear axle, a transfer case and a four-wheel drive transmission shaft. The power transmission mode of the single-cylinder direct connection tractor is achieved by directly connecting the single-cylinder diesel engine transversely-arranged customized flywheel, the pressure plate dry clutch and the gap bridge box. The power transmission mode of belt transmission of a traditional single-cylinder tractor is effectively replaced.

Description

Technical Field

[0001] The utility model relates to a tractor, in particular to a single-cylinder direct-connected wheel type tractor. Background Art

[0002] In recent years, with the advancement of science and technology, the mechanization and automation of agricultural farming have been greatly improved, and the same is true for the tractor industry. From the earliest single-cylinder belt-driven tractors, it has evolved comprehensively to multi-cylinder direct-connected tractors. However, single-cylinder diesel engines still have their irreplaceable role, and still have great advantages in miniaturization, fuel economy, and cost-effectiveness. Its technology is mature and still maintains strong market demand and vitality, but its traditional belt drive method has obvious disadvantages such as low power transmission efficiency (single belt 5 horsepower), inconvenient disassembly and assembly, high appearance, inconvenient operation, and high clutch shaft failure rate, which seriously restricts the development of single-cylinder tractors. Utility Model Content

[0003] In order to solve the problems of low power transmission efficiency and poor reliability in existing single-cylinder tractors, the utility model provides a single-cylinder direct-coupled wheeled tractor, which realizes the power transmission mode of the single-cylinder direct-coupled tractor by directly connecting the pressure plate dry clutch and the bridge box through a transversely placed customized flywheel of a single-cylinder diesel engine.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A single-cylinder direct-coupled wheeled tractor comprises a single-cylinder diesel engine, a front axle, a pressure plate dry clutch, a bridge case, a gearbox, a rear axle, a transfer case and a four-wheel drive transmission shaft; a flywheel is arranged at the rear of the single-cylinder diesel engine, the rotating shaft of the flywheel is cylindrical, and connects the flywheel and the pressure plate dry clutch; the pressure plate dry clutch is directly connected to the bridge case to realize the power transmission mode of the single-cylinder direct-coupled tractor; the rear of the gearbox is connected to the rear axle, and the front of the gearbox is connected to the bridge case, the pressure plate dry clutch and the single-cylinder diesel engine in sequence; a transfer case is arranged at the rear of the gearbox, and the transfer case is connected to the four-wheel drive transmission shaft, and the four-wheel drive transmission shaft passes through the bridge case, the pressure plate dry clutch and the single-cylinder diesel engine from below to connect to the front axle.

[0006] Preferably, the front axle is arranged in front of the single-cylinder diesel engine.

[0007] Preferably, the front axle is a steering axle for a two-wheel drive vehicle and a power steering axle for a four-wheel drive vehicle.

[0008] Preferably, the flywheel is connected to a pressure plate dry clutch, so that the single-cylinder diesel engine transmits power directly to one shaft of the gearbox, and controls power transmission, separation and assembly through the pressure plate dry clutch, and transmits power to the rear axle of the gearbox to drive the wheels and rotate the power output shaft to drive the supporting equipment.

[0009] Preferably, a steering wheel is provided behind or on the left side of the single-cylinder diesel engine, and a driver's seat is provided behind the steering wheel.

[0010] Preferably, the end of the rear axle is connected to a matching machine through a one-way or two-way hydraulic three-point suspension device, and the drive shaft of the matching machine is transmission-connected to the output end of the power output shaft.

[0011] Preferably, the supporting machine is an agricultural operating machine.

[0012] Preferably, the agricultural operating machines include rotary tillers, trenchers, fertilizer spreaders, weeders and other supporting machines.

[0013] Beneficial effects:

[0014] The utility model can transmit the power of a single-cylinder diesel engine to the rear axle of an ordinary direct-coupled tractor gearbox in a direct-coupled shaft transmission mode, thereby greatly improving the power transmission efficiency and improving the long-standing problems of single-cylinder tractors such as poor power performance, a small range of matching equipment and low reliability.

[0015] Compared with traditional single-cylinder belt-driven tractors, the single-cylinder direct-connected tractor power output of the utility model not only continues the advantages of multi-cylinder direct-connected tractors, but also integrates the advantages of single-cylinder diesel engines such as economy, cost-effectiveness, reliability, and wide applicability. It improves the performance, reliability and applicability of single-cylinder tractors, and greatly reduces the length, width and height dimensions of the vehicle, saving users' purchase costs and providing farmers with another choice. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram (top view) of a single-cylinder direct-coupled wheel tractor.

[0017] Figure 2 It is a schematic diagram of the whole vehicle structure of the utility model.

[0018] Among them, 1-single-cylinder diesel engine; 1-1-flywheel, 2-front axle; 3-pressure plate dry clutch; 4-transmission box; 5-gearbox; 6-rear axle; 7-transfer box; 8-four-wheel drive shaft; 9-steering wheel; 10-driver's seat; 11-guide wheel; 12-drive wheel, 13-power output shaft. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] like Figure 1 As shown, the single-cylinder direct-coupled wheeled tractor of the utility model comprises a single-cylinder diesel engine 1, a front axle 2, a pressure plate dry clutch 3, a bridge case 4, a gearbox 5, a rear axle 6, a transfer case 7, and a four-wheel drive transmission shaft 8. A flywheel 1-1 is transversely arranged at the rear of the single-cylinder diesel engine 1, and the rotating shaft of the flywheel 1-1 is cylindrical, connecting the flywheel 1-1 and the pressure plate dry clutch 3. The pressure plate dry clutch 3 is directly connected to the bridge case 4, realizing the power transmission mode of the single-cylinder direct-coupled tractor, and effectively replacing the power transmission mode of the belt drive of the traditional single-cylinder tractor. The front axle 2 is arranged in front of the single-cylinder diesel engine 1.

[0021] The rear part of the gearbox 5 is connected to the rear axle 6, and the front part of the gearbox 5 is connected to the bridge case 4, the pressure plate dry clutch 3, and the single-cylinder diesel engine 1 in sequence. The lower part of the gearbox 5 is provided with a transfer case 7, and the transfer case 7 is connected to the four-wheel drive transmission shaft 8. The four-wheel drive transmission shaft 8 passes through the bridge case 4, the pressure plate dry clutch 3, and the single-cylinder diesel engine 1 from below to connect to the front axle 2.

[0022] The front axle 2 is a steering axle for a two-wheel drive vehicle and a power steering axle for a four-wheel drive vehicle.

[0023] The front part of the power output shaft 13 is connected to a gearbox, and the rear part is connected to a matching machine.

[0024] The utility model also includes a hydraulic steering system (capable of four-wheel steering), a hydraulic lifting system, a braking system, a power output, a hydraulic output system and a cooling system, all of which belong to the prior art.

[0025] The single-cylinder diesel engine 1 is connected to one shaft of the gearbox 5 through the flywheel 1-1 and the pressure plate dry clutch 3 (that is, the single-cylinder diesel engine 1 transmits power directly to the gearbox 5, and controls power transmission, separation and combination through the pressure plate dry clutch 3) to transmit power to the gearbox 5 and the rear axle 6 to drive the wheels to move and to rotate the power output shaft 13 to drive the supporting equipment.

[0026] A steering wheel is provided behind or on the left side of the single-cylinder diesel engine 1 , and a driver's seat is provided behind the steering wheel.

[0027] A matching machine is mounted at the end of the rear axle 6 of the gearbox 5 through a one-way or two-way hydraulic three-point suspension device, and the drive shaft of the matching machine is drivingly connected to the output end of the power output shaft 13 .

[0028] The matching machine can be a rotary tiller, a trencher, a fertilizer covering machine, a weeder, or other agricultural operating machines that need or do not need to be driven by power.

Claims

1. A single-cylinder direct-coupled wheel tractor, characterized in that: It includes a single-cylinder diesel engine, a front axle, a pressure plate dry clutch, a bridge case, a gearbox, a rear axle, a transfer case, and a four-wheel drive transmission shaft; a flywheel is arranged at the rear of the single-cylinder diesel engine, and the rotating shaft of the flywheel is cylindrical, connecting the flywheel and the pressure plate dry clutch; the pressure plate dry clutch is directly connected to the bridge case to realize the power transmission mode of the single-cylinder direct-connected tractor; the rear of the gearbox is connected to the rear axle, and the front of the gearbox is connected to the bridge case, the pressure plate dry clutch, and the single-cylinder diesel engine in sequence; a transfer case is arranged at the bottom of the gearbox, and the transfer case is connected to the four-wheel drive transmission shaft, and the four-wheel drive transmission shaft passes through the bridge case, the pressure plate dry clutch, and the single-cylinder diesel engine from below to connect to the front axle.

2. A single-cylinder direct-coupled wheel tractor according to claim 1, characterized in that: The front axle is arranged in front of the single-cylinder diesel engine.

3. A single-cylinder direct-coupled wheel tractor according to claim 1, characterized in that: The front axle is a steering axle for a two-wheel drive vehicle and a power steering axle for a four-wheel drive vehicle.

4. A single-cylinder direct-coupled wheel tractor according to claim 1, characterized in that: The flywheel is connected to the pressure plate dry clutch, so that the single-cylinder diesel engine transmits power directly to one shaft of the gearbox. The power transmission, separation and combination are controlled by the pressure plate dry clutch, and the power is transmitted to the rear axle of the gearbox to drive the wheels and rotate the power output shaft to drive the supporting equipment.

5. The single-cylinder direct-coupled wheel tractor according to claim 1, characterized in that: A steering wheel is arranged behind or on the left side of the single-cylinder diesel engine, and a driver's seat is arranged behind the steering wheel.

6. A single-cylinder direct-coupled wheel tractor according to claim 4, characterized in that: The end of the rear axle is connected to a matching machine through a one-way or two-way hydraulic three-point suspension device, and the driving shaft of the matching machine is transmission-connected with the output end of the power output shaft.

7. A single-cylinder direct-coupled wheel tractor according to claim 6, characterized in that: The matching machines and implements are agricultural operating machines and implements.

8. A single-cylinder direct-coupled wheel tractor according to claim 7, characterized in that: The agricultural operating machines include rotary tillers, trenchers, fertilizer spreaders and weeders.

Images