CN115680849A

CN115680849A - Working vehicle

Info

Publication number: CN115680849A
Application number: CN202211353400.1A
Authority: CN
Inventors: 崔俊杰; 李小坡; 程义; 张军朋; 孙明敏
Original assignee: Changzhou Changfa Heavy Industry Technology Co ltd
Current assignee: Changzhou Changfa Heavy Industry Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-03

Abstract

The invention provides a working vehicle, which comprises a rack, an engine and a cab, wherein the engine and the cab are fixed on the rack; the elevator extends obliquely from the lower part of the cab to the upper part of the engine; the silencer is connected with the engine, the engine also comprises a fan, and the silencer and the fan are respectively positioned on two sides of the elevator in the width direction of the working vehicle; one end of the air deflector is fixed below the elevator, the air deflector is arranged in a downward inclined mode from the lower side of the elevator, the air deflector is arranged above the engine and arranged between the silencer and the fan, the air deflector and the elevator form an air duct for cooling the engine, and cooling air flows from one end of the fan to one end of the silencer. According to the invention, the air deflector is arranged, so that the cooling effect on the engine is improved, meanwhile, sundries, grass scraps and the like are prevented from falling on the cylinder cover of the engine, the good working condition of the engine is ensured, and the accident risk is reduced.

Description

Working vehicle

Technical Field

The invention relates to the technical field of harvesters, in particular to an operation vehicle with an air deflector.

Background

In the prior art, the muffler is usually transversely arranged above the engine, and due to the fact that the whole vehicle structure is compact, the ventilation effect around the engine is poor, the temperature of the working environment is high, sundries are numerous and flammable, the sundries around the engine are prone to being burnt due to the fact that the temperature of components around the engine rises, and huge potential safety hazards exist. Therefore, there is a need to provide a work vehicle with good ventilation performance, which is provided with a wind deflector, so as to overcome the above-mentioned disadvantages.

Disclosure of Invention

The invention aims to provide an operation vehicle with an air deflector.

According to an aspect of the present invention, there is provided a work vehicle including:

the driving device comprises a rack, an engine and a cab, wherein the engine and the cab are fixed on the rack, the advancing direction of the working vehicle is taken as the front, and the engine is positioned behind the cab;

an elevator extending obliquely from below the cab to above the engine;

the silencer is connected with the engine, the engine further comprises a fan, and the silencer and the fan are respectively positioned on two sides of the elevator in the width direction of the work vehicle;

and one end of the air deflector is fixed below the elevator, the air deflector is arranged in a downward inclined manner from the lower direction of the elevator, the air deflector is arranged above the engine and between the silencer and the fan, the air deflector and the elevator form an air duct for cooling the engine, and cooling air flows from one end of the fan to one end of the silencer.

Preferably, still including locating the maintenance platform at driver's cabin rear, the maintenance platform is fixed in the frame, the silencer is fixed on the maintenance platform.

Preferably, the service platform is further provided with a muffler shell for covering the muffler, and the muffler partially penetrates through the top of the muffler shell and protrudes upward.

Preferably, still including locating the fuselage apron in the frame, the maintenance platform is located between fuselage apron and the elevator, the maintenance platform still is equipped with the handrail, the driver's cabin below is equipped with the cat ladder, the maintenance platform is established one side that the elevator is close to the cat ladder.

Preferably, the air guide plate further comprises an intercooler fixed with the frame, the intercooler is arranged above the engine, the elevator is arranged between the intercooler and the muffler, the air guide plate further comprises a fixing portion extending towards the intercooler, and the fixing portion is fixedly connected with the frame.

Preferably, the air filter is arranged between the cab and the elevator, the air filter is arranged above the engine, and the air filter comprises an air filter pipe connected with the engine, and the air filter pipe penetrates through the fixing part.

Preferably, the intercooler comprises an intercooling air inlet pipe, an intercooling exhaust pipe, an engine water inlet pipe and an engine water outlet pipe which are connected with the engine, and the air deflector is further provided with fixing holes for fixing the intercooling air inlet pipe, the intercooling exhaust pipe and the engine water outlet pipe.

Preferably, the engine comprises an output belt pulley arranged below the fan, the frame is provided with a transition shaft, the intercooler comprises an intercooler fan, one end of the transition shaft is connected with the output belt pulley, and the other end of the transition shaft is connected with the intercooler fan.

Preferably, the muffler cover includes a mesh-shaped filter screen disposed between the muffler and the armrest.

Preferably, the rear of the cab is provided with a notch located on the outer side of the maintenance platform, the notch is arranged between the cab and the machine body cover plate, and the crawling ladder is located below the notch and located at the front end of the notch.

Compared with the prior art, the operation vehicle provided by the invention has the following beneficial effects:

the silencer is arranged on the other side opposite to the fan of the engine, the air deflector is arranged at the top of the engine, and natural wind is blown from one end of the fan to one end of the silencer, so that the cooling efficiency of the engine and the silencer is greatly improved; the aviation baffle avoids debris, grass bits etc. to drop above the cylinder cap of engine simultaneously, guarantees the good operating mode of engine, avoids the engine to contact inflammable, reduces the accident risk.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a left side perspective view of a work vehicle of the present invention;

FIG. 2 is a side view of the work vehicle of the present invention;

FIG. 3 is a right side perspective view of the work vehicle of the present invention;

FIG. 4 is a perspective view of an engine and intercooler of the present invention;

FIG. 5 is another perspective view of the engine and intercooler of the present invention;

fig. 6 is a perspective view of the air guide plate of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.

Referring to fig. 1 and 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, an access panel 7, an intercooler 8, and an air cleaner 9. The traveling direction of work vehicle 100 is defined as forward, cab 6 and engine 2 are both fixed to frame 1, engine 2 is located behind cab 6, and elevator 3 is disposed to be inclined from below cab 6 toward above engine 2.

Referring to fig. 1 and 3, the engine 2 includes a fan 21, and the muffler 4 and the fan 21 are provided on the left and right sides of the engine 2, respectively. The elevator 3 is provided between the muffler 4 and the fan 21. One end of the air deflector 5 is fixed below the elevator 3, the air deflector 5 is arranged to be inclined downwards from the elevator 3 and extends towards the rear of the engine 2, and the engine 2 is positioned below the air deflector 5.

The service platform 7 is provided behind the cab 6 and on the left side of the elevator 3. The cab 6 is provided with a ladder stand 61 at the bottom of the left side thereof, by means of which ladder stand 61 a driver can stand on the service platform 7. The maintenance platform 7 is also provided with a silencer cover 71, and the silencer 4 is arranged in the silencer cover 71. The left side of the silencer housing 7 is provided with a latticed filter screen 72, and the right side of the silencer housing 7 is hollowed out.

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 passage above the engine 2, and cooling air passes through the lower part of the air guide plate 5 from the fan 21 to cool the engine 2, then blows onto the muffler 4 to cool the engine, and finally passes through the filter screen 72 to be blown out from the left side of the work vehicle 100.

The frame 1 further comprises a body deck 11 for covering the vehicle body, the access platform 7 further comprises handrails 73, the handrails 73 are located inside the body deck 11, and the access platform 7 is located between the body deck 11 and the elevator 3. The service desk 7 further comprises a mounting seat for mounting the muffler 4, and the mounting seat is arranged at the bottom of the muffler shell 71. The exhaust pipe at the top of the muffler 4 passes through the top of the muffler shell 71 and protrudes upward.

A gap 74 is reserved between the cab 6 and the body cover plate 11, and the gap 74 is positioned at one end of the access platform 7 close to the left side of the body. The ladder 61 is located at the front end of the gap 74 and a user can enter the access platform 7 through the gap 74.

According to the invention, the maintenance platform 7 is arranged behind the cab 6, so that a user and a manufacturer can stand on the maintenance platform 7 to maintain the operation vehicle 100, and the safety factor is improved. The muffler 4 is disposed on the maintenance platform 7, and the muffler 4 and the high-temperature components of the engine 2 are prevented from being crowded with each other.

Since the work environment of the work vehicle 100 has a large amount of inflammable matter such as grass clippings, the inflammable matter accumulated around the engine 2 is easily burned due to a high temperature. The provision of the air guide plate 5 allows the engine 2 and the muffler 4 to be cooled more effectively. Meanwhile, the air deflector 5 can also play a role of shielding, and sundries are prevented from being accumulated on the top of the engine 2.

Referring to fig. 4, 5, and 6, the intercooler 8 is disposed on the right side of the elevator 3, above the fan 21. The intercooler 8 includes an intercooler fan 81, an intercooler intake pipe 82, an intercooler exhaust pipe 83, an engine intake pipe 84, and an engine outlet pipe 85.

The air deflection plate 5 includes a fixing portion 51 extending in a horizontal direction toward a side where the intercooler 8 is located. The fixing portion 51 is also provided with fixing holes 52 for fixing the intercooling intake pipe 82, the intercooling exhaust pipe 83 and the engine outlet pipe 85. The fixing portion 51 is fixed to the chassis 1.

Referring to fig. 4, an output pulley 22 is disposed below the fan 21, and a transition shaft 221 is disposed on the frame 1. One end of the transition shaft 221 is connected with the output belt pulley 22 through belt transmission, and the other end of the transition shaft 221 is connected with the cooling-mid fan 81 through belt transmission. The transition shaft 221 is provided at the front end of the engine 2.

Referring to fig. 1 and 2, an air filter 9 is disposed behind the cab 6 between the cab 6 and the elevator 3. An 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.

The 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 improve the safety.

It will be apparent to those skilled in the art that various modifications and variations can be made in the above-described exemplary embodiments of the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. The utility model provides a work vehicle, includes the frame, fixes engine and the driver's cabin in the frame to the direction of travel of work vehicle is the place ahead, the engine is located the rear of driver's cabin, its characterized in that includes:

an elevator extending obliquely from below the cab to above the engine;

2. The work vehicle of claim 1 further comprising an access platform disposed rearward of the cab, the access platform being secured to the frame, and the muffler being secured to the access platform.

3. The work vehicle of claim 2 wherein said access platform is further provided with a muffler cover for covering said muffler, said muffler extending partially through the top of the muffler cover and projecting upwardly.

4. The work vehicle of claim 3, further comprising a body cover disposed on the frame, wherein the access platform is disposed between the body cover and the elevator, wherein the access platform is further provided with a handrail, wherein a ladder is disposed below the cab, and wherein the access platform is disposed on a side of the elevator adjacent to the ladder.

5. The work vehicle of claim 1, further comprising an intercooler secured to the frame, the intercooler positioned above the engine, the elevator positioned between the intercooler and the muffler, the air deflection plate further comprising a securing portion extending in a direction toward the intercooler, the securing portion being fixedly attached to the frame.

6. The work vehicle of claim 5, further comprising an air filter disposed between the cab and the elevator, the air filter being disposed above the engine, the air filter including an air filter tube connected to the engine, the air filter tube passing through the fixed portion.

7. The work vehicle of claim 5, wherein the intercooler comprises an intercooler air inlet pipe, an intercooler air outlet pipe, an engine water inlet pipe and an engine water outlet pipe which are connected with the engine, and the air deflector is further provided with fixing holes for fixing the intercooler air inlet pipe, the intercooler air outlet pipe and the engine water outlet pipe.

8. The work vehicle of claim 5, wherein said engine includes an output pulley disposed below said fan, said frame defines a transition shaft, said intercooler includes an intercooler fan, one end of said transition shaft is connected to said output pulley, and the other end of said transition shaft is connected to said intercooler fan.

9. The work vehicle of claim 4 wherein said muffler cover includes a mesh filter screen disposed between the muffler and the armrest.

10. The work vehicle of claim 4, wherein a notch is provided behind the cab outside the access panel, the notch is provided between the cab and the body cover, and the ladder stand is located below the notch and at a front end of the notch.