CN215552526U

CN215552526U - Wind-guiding structure and semitrailer

Info

Publication number: CN215552526U
Application number: CN202121426081.3U
Authority: CN
Inventors: 吕建丽; 崔浩; 曹文坦; 孙大威
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-18
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of vehicle performance, and particularly discloses an air guide structure and a semitrailer. The air guide structure is used for guiding air passing through the front wall plate and comprises a limiting frame, a cooling assembly, an engine assembly and two frame plates; the cooling assembly is connected with the limiting frame, faces the front wall plate and is used for conveying air of one side, facing the front wall plate, of the cooling assembly into the air supply pipeline; the two frame plates are respectively positioned at two sides of the air supply pipeline and are fixedly connected with the common guide plate through connecting sheets; the engine assembly comprises an engine main body, an engine compartment and two engine side baffles fixedly connected to the engine main body, wherein the engine side baffles are fixedly connected with female guide plates matched with male guide plates, and when the female guide plates correspond to the male guide plates in a one-to-one mode, air in an air supply pipeline enters the engine compartment and flows to the engine main body. Utilize above-mentioned setting can guide the air flow who passes the dash panel to the engine main part, still realize the thermal management to the engine compartment when reducing the windage.

Description

Wind-guiding structure and semitrailer

Technical Field

The utility model relates to the technical field of semitrailers, in particular to an air guide structure and a semitrailer.

Background

With the continuous development of the automobile market, the requirements of users on the aspects of the dynamic property, the NVH performance, the appearance and the like of the automobile are higher and higher. In order to avoid the problems that the bottom of the power assembly is exposed and the visual feeling is influenced, a power assembly guard plate is added to many automobiles, is positioned below the power assembly and has the advantages of protecting the power assembly, reducing wind resistance and the like; however, the power assembly guard plate can generate certain influence on the whole airflow of the front cabin of the engine, the heat dissipation of the cabin is not convenient, particularly, a flow stagnation area is arranged on the rear side of the engine body, a higher temperature field is easily formed, over-temperature parts appear, and the heat dissipation requirement is not met.

At present, in order to satisfy the dynamic property and the economic nature of vehicle, many automobile companies adopt turbocharged class engine to promote the performance of vehicle, to arranging the transmission shaft at the engine rear side, lead to transmission shaft sheath temperature to surpass the temperature resistant limit more easily, and then lead to the sheath to take place serious deformation or damage, if do not carry out effectual cooling operation and can lead to the damage of engine main part even, above-mentioned potential safety hazard influences the reliable performance of whole car, under the serious condition, can endanger user's safe driving.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air guide structure and a semitrailer, and aims to solve the problem that engine compartment heat management is difficult to realize.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a wind guide structure is used for guiding air passing through a front wall plate and comprises a limiting frame, a cooling assembly, an engine assembly and two frame plates; the cooling assembly is connected with the limiting frame, faces the front wall plate and is used for conveying air at one side, facing the front wall plate, of the cooling assembly into an air supply pipeline; the two frame plates are respectively positioned at two sides of the air supply pipeline, and the frame plates are fixedly connected with the common guide plate through connecting sheets; the engine assembly comprises an engine main body, an engine compartment and two engine side baffles fixedly connected with the engine main body, wherein the engine side baffles are fixedly connected with female guide plates matched with male guide plates, and when the female guide plates correspond to the male guide plates in a one-to-one mode, air in an air supply pipeline enters the engine compartment and flows to the engine main body.

Wherein the check frame is mounted to a side of the cooling assembly facing the dash panel, the check frame for guiding air passing through the dash panel to flow into the cooling assembly.

Further, the limiting frame is in threaded connection with the cooling assembly.

Preferably, the male guide plate is provided with a male positioning protrusion, the female guide plate is provided with a female positioning groove, and when the female guide plate corresponds to the male guide plate, the male positioning protrusion and the female positioning groove are mutually inserted.

A semitrailer comprises a vehicle body chassis, a vehicle head, the front wall plate and an air guide structure.

Preferably, the front suspension of the vehicle body chassis comprises a few leaf spring suspension.

Preferably, the rear suspension of the vehicle body chassis comprises an air suspension.

Preferably, the top surface of the locomotive is provided with a flow guide cover.

Preferably, the edge of the front of the vehicle head is connected with two corner plates which are deviated towards the side faces of the vehicle head, the two corner plates and the two side faces of the vehicle head are arranged in a one-to-one correspondence manner, the side faces of the vehicle head are connected with the corner plates, and the distance between the two corner plates is gradually increased in the extending direction from the front of the vehicle head to the back of the vehicle head.

Preferably, the vehicle head comprises a cab, two front suspension airbags are mounted in front of the bottom end of the cab, and two rear suspension airbags are mounted behind the bottom end of the cab.

The utility model has the beneficial effects that:

the cooling assembly and the front wall plate are arranged oppositely, so that the receiving effect of the cooling assembly on the air towards one side of the front wall plate is guaranteed, the efficiency of the air flowing to the engine main body is improved, and the air resistance of the front wall plate and the air guide structure is reduced. By means of the arrangement of the female guide plate and the male guide plate, the relative position of the engine assembly and the cooling assembly can be determined, and therefore the air supply pipeline is convenient to communicate with the engine compartment. The arrangement of the frame plate enables air flowing to the engine compartment to flow more smoothly, and meanwhile hot air in the engine compartment can be prevented from flowing to the two sides of the frame plate, so that high-temperature damage of the hot air in the engine compartment to surrounding parts is reduced. The operation of guiding the air passing through the front wall plate to flow to the engine main body is realized by the aid of the arrangement, wind resistance is reduced, and heat management of the engine compartment is realized.

Drawings

Fig. 1 is a schematic structural diagram of an air guiding structure provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a baffle and an engine side baffle from a first perspective according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second view of a baffle and an engine side baffle according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a rear suspension airbag provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic structural view of a front suspension airbag provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic view of a prior art front suspension airbag;

fig. 7 is a schematic structural diagram of a conventional semitrailer working platform;

fig. 8 is a schematic structural diagram of a semitrailer working platform provided by an embodiment of the utility model;

fig. 9 is a schematic structural diagram of a vehicle head according to an embodiment of the present invention.

In the figure:

110. a limiting frame; 120. a cooling assembly; 131. a frame plate; 132. a male baffle; 133. connecting sheets; 141. a mother baffle; 142. an engine side dam;

200. a dash panel; 300. a rear suspension airbag; 400. a front suspension airbag; 410. an airbag main body; 420. a altitude valve; 430. mounting a rod; 500. a rear trailer; 600. a platform support plate; 700. a pod; 800. a gusset is provided.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 3, the present embodiment provides an air guide structure for guiding air passing through a dash panel 200, including a check frame 110, a cooling module 120, an engine module, and two frame plates 131; the cooling assembly 120 is connected with the limiting frame 110, faces the front panel 200, and is used for conveying air at one side of the cooling assembly 120 facing the front panel 200 into an air supply pipeline; the two frame plates 131 are respectively positioned at two sides of the air supply pipeline, and the frame plates 131 are fixedly connected with the male air deflector 132 through connecting sheets 133; the engine assembly comprises an engine main body, an engine compartment and two engine side baffles 142 fixedly connected to the engine main body, wherein the engine side baffles 142 are fixedly connected with female guide plates 141 matched with male guide plates 132, and when the female guide plates 141 are in one-to-one correspondence with the male guide plates 132, air in an air supply pipeline enters the engine compartment and flows to the engine main body. The opposite arrangement of the cooling component 120 and the front wall plate 200 ensures the receiving effect of the cooling component 120 on the air towards one side of the front wall plate 200, improves the efficiency of the air flowing to the engine main body, and reduces the air resistance of the front wall plate 200 and the air guide structure. By means of the arrangement of the female baffle 141 and the male baffle 132, the relative position of the engine assembly and the cooling assembly 120 can be determined, thereby facilitating the communication of the air supply pipeline and the engine compartment. The frame plate 131 is arranged to make air flowing to the engine compartment smoother, and prevent hot air in the engine compartment from flowing to both sides of the frame plate 131, thereby reducing high-temperature damage of the hot air in the engine compartment to surrounding components. With the above arrangement, the operation of guiding the air passing through the dash panel 200 to flow toward the engine main body is realized, and thermal management of the engine compartment is also realized while reducing wind resistance.

In the present embodiment, a check frame 110 is installed at a side of the cooling package 120 facing the dash panel 200, and the check frame 110 serves to guide air passing through the dash panel 200 to flow into the cooling package 120. Spacing frame 110 can cooperate with preceding bounding wall 200 to the realization is to the water conservancy diversion of the air that passes preceding bounding wall 200, can effectively prevent the backward flow of hot air in the engine compartment again when guaranteeing the air input, has reduced the temperature of air current for the cooling and has improved the heat exchange efficiency of engine main part, and then has reduced the inlet air temperature of engine main part, does not change or the low rotational speed running condition can satisfy the engine heat dissipation demand at cooling unit 120's fan, further reduces the oil consumption. Meanwhile, the air guide structure is designed to avoid other structures, so that the condition of interference with surrounding components is avoided. Specifically, the spacing frame 110 is threadedly coupled with the cooling assembly 120.

Preferably, the male baffle 132 is provided with a male positioning protrusion, the female baffle 141 is provided with a female positioning groove, and when the female baffle 141 and the male baffle 132 correspond to each other one by one, the male positioning protrusion and the female positioning groove are inserted into each other. The mutual insertion of the male positioning protrusion and the female positioning groove ensures the connection effect of the female guide plate 141 and the male guide plate 132, ensures the working stability of the air guide structure, and reduces the probability of position deviation between the components of the air guide structure.

The embodiment also provides a semitrailer, which comprises a vehicle body chassis, a vehicle head, the front wall plate 200 and the air guide structure.

The vehicle head comprises a cab, the cab is suspended by adopting a four-point air bag suspension cab, two front suspension air bags 400 shown in figure 5 are arranged in front of the bottom end of the cab, and two rear suspension air bags 300 shown in figure 4 are arranged behind the bottom end of the cab. Compared with the existing front suspension airbag 400 with the height valve 420 externally arranged as shown in fig. 6, the front suspension airbag 400 has the advantages that the height valve 420 is arranged in the airbag main body 410, and the front suspension airbag 400 is adjusted more sensitively and accurately by the arrangement, so that the comfort of users can be further improved. Specifically, the outer diameter of the balloon body 410 is 140 mm.

Preferably, a mounting rod 430 is further installed at the front of the bottom end of the cab, and the two front suspension airbags 400 are slidably installed on the mounting rod 430. The above arrangement facilitates the adjustment of the positions of the two front suspension airbags 400.

Preferably, the front suspension of the vehicle body chassis comprises a few leaf spring suspension. The less-leaf spring suspension is designed in rigidity according to the spring load mass of the front spring, and the matching relation of the front suspension and the rear suspension can be guaranteed, so that the comfort of users is guaranteed. Specifically, the front few leaf spring suspension offset frequency is below 1.5 Hz.

Preferably, the rear suspension of the vehicle body chassis comprises an air suspension. The rear suspension adopts the air suspension, so that the semitrailer has dynamic nonlinear rigidity, the condition that goods bump due to uneven road surfaces can be reduced, and the integrity and the safety of the goods are ensured.

In this embodiment, present vehicle body chassis top surface is close to the one end of locomotive and is laid as platform supporting plate 600 shown in fig. 7, through enlarging platform supporting plate 600's laying position to the scope as shown in fig. 8, can increase user's activity space, let user more comfortable safety when setting up the pencil that links to each other with trailer 500 and overhaul the operation, platform supporting plate 600 has still covered the part that is located vehicle body chassis simultaneously to can make the semitrailer whole more pleasing to the eye.

As shown in fig. 9, by applying CFD simulation, it is possible to improve and modify the shape of the cab and the integrated rearview mirror, and the structure of the bumper edge streamline, and thereby reduce the wind resistance coefficient.

Preferably, a dome 700 is installed on the top surface of the vehicle head. The arrangement of the air guide sleeve 700 enables the head and the top to be flush with the boxcar, so that the effect of effectively reducing air resistance is achieved. Specifically, the air guide sleeve 700 is provided with three adjustable installation positions on the top surface of the vehicle head, and the user can adjust the position of the air guide sleeve 700 according to the heights of trailers and cargos of different types, so that the air flow is smoother, and the wind resistance is further reduced.

Preferably, the two corner plates 800 are connected to the edge of the front of the vehicle head and offset toward the sides of the vehicle head, the two corner plates 800 are arranged in one-to-one correspondence with the two sides of the vehicle head, the sides of the vehicle head are connected to the corner plates 800, and the distance between the two corner plates 800 is gradually increased in the extending direction from the front of the vehicle head to the back of the vehicle head. The arrangement of the angle plate 800 optimizes the structure of the vehicle head, and can effectively reduce air resistance.

In this embodiment, the shape of the dash panel 200 and the design of the front grille are optimized, so that the ventilation area of the dash panel 200 is enlarged, and it is ensured that more air can pass through the cooling assembly 120, the cooling capacity of natural incoming flow is increased, the heat dissipation requirement of the engine body is met, and the power consumption of the high-energy-consumption part, i.e., the fan, is reduced, thereby achieving the purpose of saving oil. Specifically, the front wall panel 200 has a ventilation area of 0.29 square meters.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A wind guide structure for guiding air passing through a dash panel (200), comprising:

a spacing frame (110);

the cooling assembly (120) is connected with the limiting frame (110), faces the front wall plate (200) and is used for conveying air on one side, facing the front wall plate (200), of the cooling assembly (120) into an air supply pipeline;

the two frame plates (131) are respectively positioned at two sides of the air supply pipeline, and the frame plates (131) are fixedly connected with the male guide plate (132) through connecting pieces (133);

the engine assembly comprises an engine main body, an engine cabin and two engine side baffles (142) fixedly connected with the engine main body, wherein the engine side baffles (142) are fixedly connected with female guide plates (141) matched with male guide plates (132), and when the female guide plates (141) correspond to the male guide plates (132) in one-to-one mode, air in an air supply pipeline enters the engine cabin and flows to the engine main body.

2. The air guiding structure according to claim 1, wherein the limiting frame (110) is mounted on a side of the cooling module (120) facing the dash panel (200), and the limiting frame (110) is configured to guide air passing through the dash panel (200) to flow into the cooling module (120).

3. The air guide structure according to claim 2, wherein the limiting frame (110) is screwed with the cooling module (120).

4. The air guide structure according to any one of claims 1 to 3, wherein the male air deflector (132) is provided with a male positioning protrusion, the female air deflector (141) is provided with a female positioning groove, and when the female air deflector (141) corresponds to the male air deflector (132), the male positioning protrusion and the female positioning groove are inserted into each other.

5. A semitrailer, characterized in that it comprises a body chassis, a headstock, a dash panel (200) according to any one of claims 1 to 4, and a wind-guiding structure.

6. A semitrailer according to claim 5, characterised in that the front suspension of the body chassis comprises a few leaf spring suspension.

7. A semitrailer according to claim 5, characterised in that the rear suspension of the body chassis comprises an air suspension.

8. A semitrailer according to claim 5, characterised in that a fairwater (700) is mounted on the top surface of the locomotive.

9. A semitrailer according to claim 5, characterised in that two corner plates (800) offset towards the front of the vehicle head are connected to the edges of the front of the vehicle head, the two corner plates (800) being arranged in one-to-one correspondence with the two front of the vehicle head, the front of the vehicle head being connected to the corner plates (800), the distance between the two corner plates (800) increasing progressively in the direction of extension from the front of the vehicle head to the rear of the vehicle head.

10. A semitrailer according to claim 5, characterised in that the vehicle head comprises a cab, two front suspension airbags (400) being mounted in front of the bottom end of the cab and two rear suspension airbags (300) being mounted behind the bottom end of the cab.