Enhanced transmission device for agricultural vehicle

Abstract

The utility model belongs to the field of agricultural vehicles, and particularly relates to an enhanced transmission device for an agricultural vehicle, which comprises a transmission case and a compression roller, the compression roller is arranged in the transmission case, guide holes are formed in the inner walls of the two sides of the transmission case, an extrusion plate is arranged in the transmission case, a guide mechanism is arranged between the extrusion plate and the transmission case, and the compression roller is arranged in the transmission case. A rotating mechanism is arranged between the pressing roller and the extrusion plate, the rotating mechanism comprises connecting seats and a rotating shaft, the connecting seats are fixedly installed at the bottom of the extrusion plate, the rotating shaft is rotatably installed between the two connecting seats, the rotating shaft is fixedly sleeved with the pressing roller, and the guide mechanism comprises a vertical plate, a moving groove and a moving plate. The vertical plate is fixedly installed on the inner wall of the top of the transmission box, and the moving groove is formed in the bottom of the vertical plate. The belt pressing device is reasonable in design, the belt can be pressed through movement of the pressing rollers, and the situation that power transmission is affected due to the fact that the belt is loosened due to abrasion is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural vehicles, in particular to an enhanced transmission device for agricultural vehicles. Background Technique

[0002] Motor vehicles have been widely used in rural areas. The structure and precision requirements of agricultural machinery are relatively simple compared with industrial machinery. For example, in the power transmission part of agricultural motor vehicles, a diesel engine is used as the power source, and the power output by the diesel engine is transmitted to the gearbox through a belt.

[0003] At present, a power transmission device for an agricultural vehicle disclosed in a Chinese patent with the publication number of CN204340682U has a diesel engine arranged at the front end of the vehicle frame. The output pulley of the diesel engine is connected to the input pulley of the gearbox through belt transmission. Among them: the output of the gearbox is connected to an angle box, the output of the angle box is connected to a drive shaft, the drive shaft is connected to the rear axle, and the rear axle drives the rear wheels to rotate forward; the input pulley of the gearbox is connected to the pulley of the generator through a belt, and the generator is connected to charge the battery. Its structure is simple, the transmission is stable and reliable, and it is suitable for agricultural vehicles to adapt to different road conditions in rural areas.

[0004] In actual use, it is found that when the agricultural vehicle transmits power through a belt, when the belt is worn, it is easy to cause the belt to loosen, thus affecting the power transmission. Therefore, we propose an enhanced transmission device for agricultural vehicles to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an enhanced transmission device for agricultural vehicles.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An enhanced transmission device for agricultural vehicles includes a transmission box and a pressing roller. The pressing roller is arranged in the transmission box. Guide holes are opened on both inner walls of the transmission box. An extrusion plate is arranged in the transmission box. A guiding mechanism is arranged between the extrusion plate and the transmission box. A rotating mechanism is arranged between the pressing roller and the extrusion plate;

[0008] The rotating mechanism includes a connecting seat and a rotating shaft. The connecting seat is fixedly installed on the bottom of the extrusion plate. The rotating shaft is rotatably installed between the two connecting seats, and the pressing roller is fixedly sleeved on the rotating shaft;

[0009] The guiding mechanism includes a vertical plate, a moving groove and a moving plate. The vertical plate is fixedly installed on the top inner wall of the transmission box. The moving groove is opened on the bottom of the vertical plate. The moving plate is slidably installed in the moving groove, and the moving plate is fixedly connected to the extrusion plate through a detachable structure.

[0010] Preferably, a moving hole is formed in one inner wall of the moving groove, a moving seat is slidably installed in the moving hole, a same driving plate is fixedly installed between the two moving seats, and an adjusting mechanism is arranged between the transmission box and the driving plate.

[0011] Preferably, the adjusting mechanism includes a threaded hole, an adjusting screw rod and a hand wheel. The threaded hole is formed in the top inner wall of the transmission box, the adjusting screw rod is threadedly installed in the threaded hole, the bottom end of the adjusting screw rod is rotatably installed on the driving plate, and the top end of the adjusting screw rod is fixedly installed with the hand wheel.

[0012] Preferably, a rotating groove is formed in the driving plate, an annular groove is formed in the inner wall of the rotating groove, an annular seat is fixedly installed on the adjusting screw rod, and the annular seat is rotatably connected with the annular groove.

[0013] Preferably, mounting holes are formed in the pressing plate, and the moving plate is adapted to the corresponding mounting holes.

[0014] Preferably, a fixing groove is formed on one side of the moving plate, a bolt hole is formed in one inner wall of the mounting hole, a fixing bolt is threadedly installed in the bolt hole, and the fixing bolt is adapted to the corresponding fixing groove.

[0015] Preferably, mounting seats are fixedly installed on both sides of the transmission box, communication holes are formed in the mounting seats, and fixing screws are arranged in the communication holes.

[0016] Preferably, limiting grooves are formed on the front and rear inner walls of the moving groove, limiting seats are fixedly installed on the front and rear sides of the moving plate, and the limiting seats are slidably connected with the corresponding limiting grooves.

[0017] The beneficial effects of the utility model:

[0018] 1. Pass the belt through the guiding hole. By rotating the hand wheel and the adjusting screw rod, under the action of the threaded hole, the adjusting screw rod can rotate and move at the same time. The adjusting screw rod can drive the driving plate, the moving seat and the moving plate to move downward. The moving plate can drive the connecting seat and the pressing roller to move downward. The pressing roller can extrude the belt, so as to realize pressing the belt, and avoid the situation that the belt is worn and loosened, which affects the power transmission.

[0019] 2. By rotating the fixing bolt, under the action of the bolt hole, the fixing bolt can rotate and move at the same time, so that the fixing bolt can be inserted into or separated from the fixing groove, so as to realize the purpose of fixing and releasing the fixing of the pressing plate, and can realize the purpose of facilitating the disassembly, installation or replacement of the pressing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic perspective view of an enhanced transmission device for agricultural vehicles proposed by the utility model;

[0021] Figure 2 The front view structural schematic diagram of an enhanced transmission device for agricultural vehicles proposed by the present utility model;

[0022] Figure 3 The three-dimensional sectional view structural schematic diagram of the vertical plate, extrusion plate and pressing roller of an enhanced transmission device for agricultural vehicles proposed by the present utility model;

[0023] Figure 4 The structural schematic diagram of part A of an enhanced transmission device for agricultural vehicles proposed by the present utility model;

[0024] Figure 5 The structural schematic diagram of part B of an enhanced transmission device for agricultural vehicles proposed by the present utility model.

[0025] In the figure: 1, transmission box; 2, guide hole; 3, extrusion plate; 4, connecting seat; 5, rotating shaft; 6, pressing roller; 7, vertical plate; 8, moving groove; 9, moving plate; 10, moving hole; 11, moving seat; 12, driving plate; 13, threaded hole; 14, adjusting screw; 15, hand wheel; 16, mounting hole; 17, fixing groove; 18, bolt hole; 19, fixing bolt. Specific embodiments

[0026] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0027] Referring to Figures 1-5 , an enhanced transmission device for agricultural vehicles includes a transmission box 1 and a pressing roller 6. The pressing roller 6 is arranged inside the transmission box 1. Guide holes 2 are opened on both inner walls of the transmission box 1. An extrusion plate 3 is arranged inside the transmission box 1. A guiding mechanism is arranged between the extrusion plate 3 and the transmission box 1. A rotating mechanism is arranged between the pressing roller 6 and the extrusion plate 3. The rotating mechanism includes a connecting seat 4 and a rotating shaft 5. The connecting seat 4 is fixedly installed on the bottom of the extrusion plate 3. The rotating shaft 5 is rotatably installed between the two connecting seats 4, and the pressing roller 6 is fixedly sleeved on the rotating shaft 5. The guiding mechanism includes a vertical plate 7, a moving groove 8 and a moving plate 9. The vertical plate 7 is fixedly installed on the top inner wall of the transmission box 1. The moving groove 8 is opened on the bottom of the vertical plate 7. The moving plate 9 is slidably installed in the moving groove 8, and the moving plate 9 is fixedly connected to the extrusion plate 3 through a detachable structure. By providing the pressing roller 6, the belt can be pressed, so that the belt can be pressed to avoid the situation that the belt is worn and loosened, which affects the transmission of power.

[0028] In this embodiment, a moving hole 10 is formed in one inner wall of the moving groove 8. A moving seat 11 is slidably installed in the moving hole 10. The same driving plate 12 is fixedly installed between the two moving seats 11. An adjusting mechanism is provided between the transmission box 1 and the driving plate 12. The adjusting mechanism includes a threaded hole 13, an adjusting screw 14 and a handwheel 15. The threaded hole 13 is formed in the top inner wall of the transmission box 1. The adjusting screw 14 is threadedly installed in the threaded hole 13, and the bottom end of the adjusting screw 14 is rotatably installed on the driving plate 12. The top end of the adjusting screw 14 is fixedly installed with the handwheel 15. By providing the adjusting screw 14, the movement of the adjusting screw 14 can drive the driving plate 12 to move.

[0029] In this embodiment, a rotating groove is formed in the driving plate 12, and an annular groove is formed in the inner wall of the rotating groove. An annular seat is fixedly installed on the adjusting screw 14, and the annular seat is rotatably connected to the annular groove. By providing the annular groove and the annular seat, the purpose of rotatably installing the adjusting screw 14 on the driving plate 12 can be achieved.

[0030] In this embodiment, a mounting hole 16 is formed in the pressing plate 3, and the moving plate 9 is adapted to the corresponding mounting hole 16. A fixing groove 17 is formed on one side of the moving plate 9. A bolt hole 18 is formed in one inner wall of the mounting hole 16. A fixing bolt 19 is threadedly installed in the bolt hole 18, and the fixing bolt 19 is adapted to the corresponding fixing groove 17. By rotating the fixing bolt 19, under the action of the bolt hole 18, the fixing bolt 19 can move while rotating, so that the fixing bolt 19 can be inserted into or disengaged from the fixing groove 17, thereby achieving the purpose of fixing and releasing the fixing of the pressing plate 3, and achieving the purpose of facilitating the disassembly, installation or replacement of the pressing roller 6.

[0031] In this embodiment, mounting seats are fixedly installed on both sides of the transmission box 1. A communication hole is provided on the mounting seat, and a fixing screw is provided in the communication hole. Limiting grooves are formed in the front and rear inner walls of the moving groove 8. Limiting seats are fixedly installed on the front and rear sides of the moving plate 9, and the limiting seats are slidably connected to the corresponding limiting grooves. By providing the limiting grooves and the limiting seats, the moving plate 9 can be guided, so that the moving plate 9 can move stably.

[0032] In the present utility model, a belt is passed through the guiding hole 2. By rotating the handwheel 15 and the adjusting screw 14, under the action of the threaded hole 13, the adjusting screw 14 can rotate and move at the same time. The adjusting screw 14 can drive the driving plate 12, the moving seat 11 and the moving plate 9 to move downward. The moving plate 9 can drive the connecting seat 4 and the pressing roller 6 to move downward. The pressing roller 6 can extrude the belt, so as to realize pressing the belt, avoiding the situation that the belt is worn and loosened, which affects the power transmission. By rotating the fixing bolt 19, under the action of the bolt hole 18, the fixing bolt 19 can rotate and move at the same time, so that the fixing bolt 19 can be inserted into or disengaged from the fixing groove 17, thus realizing the purpose of fixing and releasing the fixing of the pressing plate 3, and realizing the purpose of facilitating the disassembly, assembly or replacement of the pressing roller 6.

[0033] The above has introduced in detail an enhanced transmission device for agricultural vehicles provided by the present utility model. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. An enhanced transmission device for agricultural vehicles, characterized in that: The invention comprises a transmission box (1) and a pressure roller (6), wherein the pressure roller (6) is arranged in the transmission box (1), guide holes (2) are provided on the inner walls on both sides of the transmission box (1), an extrusion plate (3) is provided in the transmission box (1), a guide mechanism is provided between the extrusion plate (3) and the transmission box (1), and a rotation mechanism is provided between the pressure roller (6) and the extrusion plate (3); The rotating mechanism comprises a connecting seat (4) and a rotating shaft (5), wherein the connecting seat (4) is fixedly mounted on the bottom of the extrusion plate (3), the rotating shaft (5) is rotatably mounted between the two connecting seats (4), and the pressing roller (6) is fixedly sleeved on the rotating shaft (5); The guide mechanism comprises a vertical plate (7), a movable groove (8) and a movable plate (9); the vertical plate (7) is fixedly mounted on the top inner wall of the transmission box (1); the movable groove (8) is arranged on the bottom of the vertical plate (7); the movable plate (9) is slidably mounted in the movable groove (8); and the movable plate (9) is fixedly connected to the extrusion plate (3) via a detachable structure.

2. The enhanced transmission device for agricultural vehicles according to claim 1, characterized in that: A moving hole (10) is provided on an inner wall of one side of the moving groove (8), a moving seat (11) is slidably installed in the moving hole (10), a driving plate (12) is fixedly installed between the two moving seats (11), and an adjustment mechanism is provided between the transmission box (1) and the driving plate (12).

3. The enhanced transmission device for agricultural vehicles according to claim 2, characterized in that: The adjusting mechanism comprises a threaded hole (13), an adjusting screw (14) and a hand wheel (15); the threaded hole (13) is formed on the top inner wall of the transmission box (1); the adjusting screw (14) is threadedly mounted in the threaded hole (13); the bottom end of the adjusting screw (14) is rotatably mounted on the driving plate (12); and the top end of the adjusting screw (14) is fixedly mounted with the hand wheel (15).

4. The enhanced transmission device for agricultural vehicles according to claim 3, characterized in that: The driving plate (12) is provided with a rotation groove, the inner wall of the rotation groove is provided with an annular groove, an annular seat is fixedly mounted on the adjusting screw (14), and the annular seat is rotationally connected to the annular groove.

5. The enhanced transmission device for agricultural vehicles according to claim 1, characterized in that: The extrusion plate (3) is provided with a mounting hole (16), and the movable plate (9) is adapted to the corresponding mounting hole (16).

6. The enhanced transmission device for agricultural vehicles according to claim 5, characterized in that: A fixing groove (17) is provided on one side of the movable plate (9), a bolt hole (18) is provided on the inner wall of one side of the mounting hole (16), a fixing bolt (19) is installed through the inner thread of the bolt hole (18), and the fixing bolt (19) is matched with the corresponding fixing groove (17).

7. The enhanced transmission device for agricultural vehicles according to claim 1, characterized in that: Mounting seats are fixedly mounted on both sides of the transmission box (1), and the mounting seats are provided with communicating holes, and fixing screws are arranged in the communicating holes.

8. The enhanced transmission device for agricultural vehicles according to claim 1, characterized in that: The front and rear inner walls of the movable groove (8) are both provided with limiting grooves, and the front and rear sides of the movable plate (9) are both fixedly mounted with limiting seats, and the limiting seats are slidably connected with the corresponding limiting grooves.

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