A work vehicle

Abstract

The present invention provides a work vehicle, comprising a frame, an engine fixed on the frame and a cab, with the engine located behind the cab with the travel direction of the work vehicle as the front; an elevator extends obliquely from the bottom of the cab to the top of the engine; a muffler is connected to the engine, and the engine also includes a fan, and the muffler and the fan are respectively located on both sides of the elevator in the width direction of the work vehicle; one end of an air guide plate is fixed to the bottom of the elevator, the air guide plate is arranged obliquely downward from the bottom of the elevator, the air guide plate is arranged above the engine and between the muffler and the fan, the air guide plate and the elevator form an air duct for cooling the engine, and the cooling wind flows from one end of the fan to one end of the muffler. The present invention improves the cooling effect of the engine by arranging the air guide plate, and at the same time prevents debris, grass clippings, etc. from falling on the cylinder head of the engine, thereby ensuring a good working condition of the engine and reducing the risk of accidents.

Description

Technical Field

[0001] The invention relates to the technical field of harvesters, in particular to a working vehicle provided with an air guide plate. Background Art

[0002] In the prior art, the muffler is usually arranged horizontally above the engine. Due to the compact structure of the vehicle, the ventilation effect around the engine is poor. The temperature of the working environment is high, and there are many flammable debris. The temperature of the components around the engine rises, which easily causes the surrounding debris to burn, posing a huge safety hazard. Therefore, it is necessary to provide a working vehicle with an air guide plate and good ventilation performance to overcome the above-mentioned defects. Summary of the invention

[0003] The object of the present invention is to provide a working vehicle provided with a wind deflector.

[0004] According to one aspect of the present invention, there is provided a working vehicle, comprising:

[0005] The frame, the engine fixed on the frame and the cab are located at the front with the travel direction of the work vehicle as the front, and the engine is located at the rear of the cab;

[0006] An elevator, the elevator extending obliquely from below the cab to above the engine;

[0007] A muffler, the muffler is connected to the engine, the engine also includes a fan, the muffler and the fan are respectively located on both sides of the elevator in the width direction of the work vehicle;

[0008] An air guide plate, one end of which is fixed below the elevator, the air guide plate is tilted downward from below the elevator, the air guide plate is arranged above the engine and between the muffler and the fan, the air guide plate and the elevator form an air duct for cooling the engine, and the cooling air flows from one end of the fan to one end of the muffler;

[0009] An air filter, the air filter is arranged between the cab and the elevator, the air filter is arranged above the engine, and the air filter includes an air filter pipe connected to the engine;

[0010] The intercooler is arranged above the engine and fixed to the frame, the elevator is arranged between the intercooler and the muffler, the air guide plate also includes a fixing portion extending in the direction of the intercooler, the air filter pipe passes through the fixing portion, and the fixing portion is fixedly connected to the frame.

[0011] Preferably, it further comprises a maintenance platform arranged at the rear of the cab, the maintenance platform is fixed on the frame, and the muffler is fixed on the maintenance platform.

[0012] Preferably, the inspection platform is further provided with a muffler cover for covering the muffler, and the muffler portion passes through the top of the muffler cover and protrudes upward.

[0013] Preferably, it also includes a fuselage cover plate arranged on the frame, the inspection platform is arranged between the fuselage cover plate and the elevator, the inspection platform is also provided with handrails, a ladder is provided under the cab, and the inspection platform is arranged on the side of the elevator close to the ladder.

[0014] Preferably, the intercooler includes an intercooler intake pipe, an intercooler exhaust pipe, an engine water inlet pipe and an engine water outlet pipe connected to the engine, and the air guide plate is also provided with fixing holes for fixing the intercooler intake pipe, the intercooler exhaust pipe and the engine water outlet pipe.

[0015] Preferably, the engine includes an output pulley arranged below the fan, the frame is provided with a transition shaft, the intercooler includes an intercooler fan, one end of the transition shaft is connected to the output pulley, and the other end of the transition shaft is connected to the intercooler fan.

[0016] Preferably, the muffler cover comprises a mesh filter, and the filter is arranged between the muffler and the armrest.

[0017] Preferably, a notch is provided behind the cab and is located outside the maintenance platform, the notch is provided between the cab and the fuselage cover, and the ladder is located below the notch and at the front end of the notch.

[0018] Compared with the prior art, the work vehicle provided by the present invention has the following beneficial effects:

[0019] The structure is reasonably arranged, with the muffler placed on the other side of the engine opposite to the fan, and an air guide plate set on the top of the engine. Natural wind blows from one end of the fan to one end of the muffler, greatly improving the cooling efficiency of the engine and the muffler; the air guide plate also prevents debris, grass clippings, etc. from falling on the top of the engine's cylinder head, ensuring the good working condition of the engine, preventing the engine from contacting flammable materials, and reducing the risk of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0021] Figure 1 It is a left perspective view of the working vehicle of the present invention;

[0022] Figure 2 A side view of the working vehicle of the present invention;

[0023] Figure 3 It is a right side perspective view of the working vehicle of the present invention;

[0024] Figure 4is a perspective view of the engine and intercooler of the present invention;

[0025] Figure 5 Another perspective view of the engine and intercooler of the present invention;

[0026] Figure 6 It is a three-dimensional view of the air guide plate of the present invention. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] In order to simplify the drawings, only the parts related to the present invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0029] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0030] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0033] See also Figure 1 and Figure 2 The present invention discloses a work vehicle 100, including a frame 1, an engine 2, an elevator 3, a muffler 4, an air guide plate 5, a cab 6, a maintenance platform 7, an intercooler 8 and an air filter 9. The moving direction of the work vehicle 100 is defined as forward, the cab 6 and the engine 2 are both fixed on the frame 1, the engine 2 is located behind the cab 6, and the elevator 3 is inclined from the bottom of the cab 6 to the top of the engine 2.

[0034] See also Figure 1 and Figure 3 The engine 2 includes a fan 21, and the muffler 4 and the fan 21 are respectively arranged on the left and right sides of the engine 2. The elevator 3 is arranged between the muffler 4 and the fan 21. One end of the air guide plate 5 is fixed below the elevator 3, and the air guide plate 5 is arranged to be inclined downward from the elevator 3 and extends toward the rear of the engine 2, and the engine 2 is located below the air guide plate 5.

[0035] The inspection platform 7 is arranged behind the cab 6 and on the left side of the elevator 3. A ladder 61 is arranged at the bottom of the left side of the cab 6, and the driver can stand on the inspection platform 7 with the help of the ladder 61. A muffler cover 71 is also arranged on the inspection platform 7, and the muffler 4 is arranged in the muffler cover 71. A mesh filter 72 is arranged on the left side of the muffler cover 7, and the right side of the muffler cover 7 is hollowed out.

[0036] The fan 21 draws air from the right side to the left side of the work vehicle 100. The air guide plate 5 and the elevator 3 form an air duct above the engine 2. The cooling air passes from the fan 21 under the air guide plate 5 to cool the engine 2, and then blows onto the muffler 4 to cool it, and finally passes through the filter 72 and blows out from the left side of the work vehicle 100.

[0037] The frame 1 further includes a body cover 11 for covering the vehicle body, the inspection platform 7 further includes an armrest 73, the armrest 73 is located on the inner side of the body cover 11, and the inspection platform 7 is located between the body cover 11 and the elevator 3. The inspection platform 7 further includes a mounting seat for mounting the muffler 4, and the mounting seat is arranged at the bottom of the muffler cover 71. The exhaust pipe at the top of the muffler 4 passes through the top of the muffler cover 71 and extends upward.

[0038] A gap 74 is left between the cab 6 and the fuselage cover 11, and the gap 74 is located at an end of the inspection platform 7 near the left side of the fuselage. The ladder 61 is located at the front end of the gap 74, and the user can enter the inspection platform 7 from the gap 74.

[0039] The present invention sets a maintenance platform 7 behind the cab 6, and users and manufacturers can stand on the maintenance platform 7 to inspect and maintain the work vehicle 100, thereby improving the safety factor. The muffler 4 is set on the maintenance platform 7 to avoid crowding of the muffler 4 and the high-temperature parts of the engine 2.

[0040] Since there are many flammable materials such as grass clippings in the working environment of the working vehicle 100, the flammable materials are easily burned due to high temperature when they are accumulated around the engine 2. The air guide plate 5 can be provided to better cool the engine 2 and the muffler 4. At the same time, the air guide plate 5 can also play a shielding role to prevent debris from accumulating on the top of the engine 2.

[0041] See also Figure 4 , Figure 5 and Figure 6 The intercooler 8 is arranged on the right side of the elevator 3 and above the fan 21. The intercooler 8 includes an intercooler fan 81, an intercooler air intake pipe 82, an intercooler exhaust pipe 83, an engine water inlet pipe 84 and an engine water outlet pipe 85.

[0042] The air guide plate 5 includes a fixing portion 51 extending horizontally toward the side where the intercooler 8 is located. The fixing portion 51 is also provided with fixing holes 52 for fixing the intercooler intake pipe 82, the intercooler exhaust pipe 83 and the engine water outlet pipe 85. The fixing portion 51 is fixed on the frame 1.

[0043] See also Figure 4 An output pulley 22 is provided below the fan 21, and a transition shaft 221 is provided on the frame 1. One end of the transition shaft 221 is connected to the output pulley 22 by a belt transmission, and the other end of the transition shaft 221 is connected to the intercooling fan 81 by a belt transmission. The transition shaft 221 is arranged at the front end of the engine 2.

[0044] See also Figure 1 and Figure 2 The air filter 9 is arranged at the rear of the cab 6 and between the cab 6 and the elevator 3. The air filter pipe 91 connecting the engine 2 and the air filter 9 passes through the fixing hole 52 of the air guide plate 5.

[0045] The present invention greatly improves the ventilation effect around the engine 2, improves the cooling efficiency of the engine 2 and other high-temperature components, and improves the working condition of the engine 2 to enhance safety.

[0046] It will be apparent to those skilled in the art that various modifications and variations may be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A work vehicle, comprising a frame, an engine fixed on the frame and a cab, wherein the engine is located behind the cab with the travel direction of the work vehicle being the front, and wherein: include: An elevator, the elevator extending obliquely from below the cab to above the engine; A muffler, the muffler is connected to the engine, the engine also includes a fan, the muffler and the fan are respectively located on both sides of the elevator in the width direction of the work vehicle; An air guide plate, one end of which is fixed below the elevator, the air guide plate is tilted downward from below the elevator, the air guide plate is arranged above the engine and between the muffler and the fan, the air guide plate and the elevator form an air duct for cooling the engine, and the cooling air flows from one end of the fan to one end of the muffler; An air filter, the air filter is arranged between the cab and the elevator, the air filter is arranged above the engine, and the air filter includes an air filter pipe connected to the engine; The intercooler is arranged above the engine and fixed to the frame, the elevator is arranged between the intercooler and the muffler, the air guide plate also includes a fixing portion extending in the direction of the intercooler, the air filter pipe passes through the fixing portion, and the fixing portion is fixedly connected to the frame.

2. The work vehicle according to claim 1, characterized in that: The utility model also comprises a maintenance platform arranged at the rear of the cab, wherein the maintenance platform is fixed on the frame, and the muffler is fixed on the maintenance platform.

3. The work vehicle according to claim 2, characterized in that: The inspection platform is also provided with a muffler cover for covering the muffler, and the muffler portion passes through the top of the muffler cover and protrudes upward.

4. The work vehicle according to claim 3, characterized in that: It also includes a fuselage cover plate arranged on the frame, the inspection platform is arranged between the fuselage cover plate and the elevator, the inspection platform is also provided with handrails, a ladder is arranged under the cab, and the inspection platform is arranged on a side of the elevator close to the ladder.

5. The work vehicle according to claim 1, characterized in that: The intercooler includes an intercooler air intake pipe, an intercooler exhaust pipe, an engine water inlet pipe and an engine water outlet pipe connected to the engine, and the air guide plate is also provided with fixing holes for fixing the intercooler air intake pipe, the intercooler exhaust pipe and the engine water outlet pipe.

6. The work vehicle according to claim 1, characterized in that: The engine comprises an output pulley arranged below the fan, the frame is provided with a transition shaft, the intercooler comprises an intercooling fan, one end of the transition shaft is connected to the output pulley, and the other end of the transition shaft is connected to the intercooling fan.

7. The work vehicle according to claim 4, characterized in that: The muffler cover comprises a mesh filter, and the filter is arranged between the muffler and the handrail.

8. The work vehicle according to claim 4, characterized in that: A notch is provided at the rear of the cab and is located outside the maintenance platform. The notch is provided between the cab and the fuselage cover plate. The ladder is located below the notch and at the front end of the notch.

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