CN209904893U - Low windage semitrailer structure - Google Patents

Low windage semitrailer structure Download PDF

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Publication number
CN209904893U
CN209904893U CN201920518164.1U CN201920518164U CN209904893U CN 209904893 U CN209904893 U CN 209904893U CN 201920518164 U CN201920518164 U CN 201920518164U CN 209904893 U CN209904893 U CN 209904893U
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China
Prior art keywords
curb plates
side plate
box
curb
semitrailer
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CN201920518164.1U
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Chinese (zh)
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王君刚
熊博
严利群
徐贤
丁培林
孙国兵
罗兴兵
王越
金本畅
李冀
赵翔
江坤
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/82Elements for improving aerodynamics

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Abstract

The utility model provides a low windage semitrailer structure, which comprises a vehicle rack, install the box in the frame top, be located the wheel of frame rear portion both sides, the box includes terminal surface before the box, the box rear end face, be provided with preceding water conservancy diversion spare on the terminal surface before the box, preceding water conservancy diversion spare is four prismatic table column structures, including the roof, the side wall, the roof is square structure, the terminal surface before the roof is on a parallel with the box, the side wall is by a curb plate, No. two curb plates, No. three curb plates, No. four curb plates enclose to close mutually and form, a curb plate, No. two curb plates, No. three curb plates, No. four curb plates are the trapezium structure, a curb plate, No. two curb plates, No. three curb plates, the one end of terminal surface corresponds with the four sides of roof respectively before keeping away from the box on No. four curb plates and is connected, a curb plate, No. two curb plates. The design reduces the wind resistance at the front end of the semitrailer.

Description

Low windage semitrailer structure
Technical Field
The utility model belongs to the semitrailer field, concretely relates to low windage semitrailer structure is applicable to the windage that reduces semitrailer front end.
Background
The semitrailer is hinged with a saddle on the semitrailer through a main pin to form a semitrailer tractor train, a larger gap is reserved between the front part of a gooseneck of the semitrailer and the rear wall of a cab of the semitrailer, so as to meet the requirement of front rotation of the semitrailer, and because of the existence of the gap, the semitrailer tractor train can form obvious vortex windage at the gap in the high-speed driving process, so that the air resistance of the front end of the semitrailer in the driving process is increased, the side surface and the tail part of the semitrailer are not protected, when the semitrailer drives at high speed, air flow is easily drawn into wheels, axles, bottoms and air turbulence is formed at the tail part of the semitrailer, the windage of the whole semitrailer is increased, and the fuel economy of.
Chinese patent: the utility model discloses a deflector for semitrailer, install in the automobile body afterbody, its characterized in that, this deflector is four prismatic table column structures, comprises upper and lower, left and right four trapezoidal inclined planes, and its big terminal surface coincides with automobile body afterbody terminal surface, and upper and lower inclined plane comprises two movable panel respectively, movable panel respectively with left and right inclined plane panel swing joint, deflector and automobile body afterbody swing joint. Although the backflow device reduces the wind resistance at the tail of the trailer body, the problem of large wind resistance at the front end of the semitrailer is still not solved.
Disclosure of Invention
The utility model aims at overcoming the great problem of semi-trailer front end windage, providing a can effectively reduce semi-trailer structure of front end windage.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a semi-trailer structure with low wind resistance comprises a frame, a box body arranged above the frame, wheels positioned at two sides of the rear part of the frame, the box body comprises a box body front end surface and a box body rear end surface, a front flow guide piece is arranged on the box body front end surface, the front flow guide piece is of a quadrangular frustum pyramid structure and comprises a top plate and a side wall, the top plate is of a square structure and is parallel to the front end face of the box body, the side wall is enclosed mutually by a curb plate, No. two curb plates, No. three curb plates, No. four curb plates and closes the formation, a curb plate, No. two curb plates, No. three curb plates, No. four curb plates are the trapezium structure, and the one end of keeping away from terminal surface before the box on a curb plate, No. two curb plates, No. three curb plates, No. four curb plates corresponds with the four sides of roof respectively and is connected, and the one end that is close to terminal surface before the box on a curb plate, No. two curb plates, No. three curb plates, No. four curb plates corresponds with the four sides of terminal surface before the box respectively and is.
The rear guide part is arranged on the rear end face of the box body and comprises a fifth side plate, a sixth side plate and a seventh side plate, the sixth side plate and the seventh side plate are respectively located on two sides of the fifth side plate, the upper sides of the sixth side plate and the seventh side plate are respectively fixedly connected with two sides of the fifth side plate, the front ends of the sixth side plate and the seventh side plate are respectively fixedly connected with two side edges of the rear end face of the box body, and the front ends of the fifth side plate are fixedly connected with the upper edge of the rear end face of the box body.
The included angles between the first side plate, the second side plate, the third side plate and the fourth side plate and the front end face of the box body are all 20-80 degrees.
The included angles between the fifth side plate, the sixth side plate and the seventh side plate and the rear end face of the box body are all 30-75 degrees.
The automobile frame is characterized in that a side skirt plate is further arranged at the wheel, and the top of the side skirt plate is fixedly connected with the bottom of the automobile frame.
The distance between the top plate and the front end face of the box body is not more than the front turning radius of the semitrailer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a be provided with preceding water conservancy diversion spare on the terminal surface before the box in low windage semitrailer structure, preceding water conservancy diversion spare is four prismatic table column structures, including the roof, the side wall, the terminal surface before the roof is on a parallel with the box, the front end of side wall and the four sides fixed connection of roof, the four sides fixed connection of terminal surface before the rear end of side wall and the box, preceding water conservancy diversion spare has not only guided the air current of box front end, and make the clearance of enclosing behind semitrailer and the semitrailer tractor driver's cabin diminish in addition, the effectual vortex resistance that has reduced the clearance, thereby reduced the windage of semitrailer front end. Therefore, the utility model discloses the windage of semitrailer front end has been reduced.
2. The utility model relates to a be provided with back water conservancy diversion spare on the box rear end face in low windage semitrailer structure, back water conservancy diversion spare includes No. five curb plates, No. six curb plates, No. seven curb plates are located the both sides of No. five curb plates respectively, No. six curb plates, the upside of No. seven curb plates respectively with the both sides fixed connection of No. five curb plates, No. six curb plates, the front end of No. seven curb plates respectively with the both sides limit fixed connection of box rear end face, the front end of No. five curb plates and the higher authority fixed connection of box rear end face, back water conservancy diversion spare has guided the torrent of box afterbody to the effectual windage that has reduced the semitrailer rear end. Therefore, the utility model discloses the windage of semitrailer rear end has been reduced.
3. The utility model relates to a wheel department still is provided with the side skirt board in low windage semitrailer structure, the bottom fixed connection of the top of side skirt board and frame, the side skirt board guides the air current of box side, the effectual air resistance who reduces wheel department. Therefore, the utility model discloses the windage of wheel department has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of fig. 1 taken along direction a.
Fig. 3 is a schematic view of fig. 1 in the direction B.
In the figure, a frame 1, a box body 2, a box body front end surface 21, a box body rear end surface 22, a front guiding piece 3, a top plate 31, a side wall 32, a first side plate 321, a second side plate 322, a third side plate 323, a fourth side plate 324, a rear guiding piece 4, a fifth side plate 41, a sixth side plate 42, a seventh side plate 43, a side skirt board 5 and wheels 6.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1 to 3, a low wind resistance semitrailer structure comprises a frame 1, a box body 2 mounted above the frame 1, and wheels 6 located on two sides of the rear portion of the frame 1, wherein the box body 2 comprises a box body front end surface 21 and a box body rear end surface 22, a front flow guide part 3 is arranged on the box body front end surface 21, the front flow guide part 3 is of a quadrangular frustum structure and comprises a top plate 31 and a side wall 32, the top plate 31 is of a square structure, the top plate 31 is parallel to the box body front end surface 21, the side wall 32 is formed by a first side plate 321, a second side plate 322, a third side plate 323 and a fourth side plate 324 in a surrounding manner, the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324 are all of trapezoidal structures, one ends of the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324, which are far away from the box body front end surface 21, are respectively connected, One ends of the second side plate 322, the third side plate 323 and the fourth side plate 324 close to the front end surface 21 of the box body are correspondingly connected with four sides of the front end surface 21 of the box body respectively.
The rear guide member 4 is arranged on the box body rear end face 22 and comprises a fifth side plate 41, a sixth side plate 42 and a seventh side plate 43, the sixth side plate 42 and the seventh side plate 43 are respectively positioned on two sides of the fifth side plate 41, the upper sides of the sixth side plate 42 and the seventh side plate 43 are respectively fixedly connected with two sides of the fifth side plate 41, the front ends of the sixth side plate 42 and the seventh side plate 43 are respectively fixedly connected with two side edges of the box body rear end face 22, and the front end of the fifth side plate 41 is fixedly connected with the upper edge of the box body rear end face 22.
The included angles between the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324 and the front end face 21 of the box body are all 20-80 degrees.
The included angles between the fifth side plate 41, the sixth side plate 42 and the seventh side plate 43 and the rear end face 22 of the box body are all 30-75 degrees.
The wheels 6 are also provided with side skirting boards 5, and the tops of the side skirting boards 5 are fixedly connected with the bottom of the frame 1.
The distance between the top plate 31 and the front end surface 21 of the box body does not exceed the front turning radius of the semitrailer.
The principle of the material of the utility model is explained as follows:
the semi-trailer with the low wind resistance is simple in structure, strong in universality and good in reliability, the front diversion structure 3 reduces the wind resistance at the front end 21 of the semi-trailer body and does not influence the front turning radius of the semi-trailer body, the rear diversion structure 4 reduces the wind resistance at the rear end 22 of the semi-trailer body and does not influence the cargo carrying capacity and the length size of the whole semi-trailer body, and the side skirt boards 5 reduce the wind resistance at two sides of the semi-trailer body 2, so that the air resistance of the semi-trailer body during driving is effectively reduced, the fuel economy of the whole semi-trailer is improved, the vehicle cost of a user is greatly reduced, and the economic.
Example 1:
referring to fig. 1 to 3, a low wind resistance semitrailer structure comprises a frame 1, a box body 2 mounted above the frame 1, and wheels 6 located at two sides of the rear portion of the frame 1, wherein the box body 2 comprises a box body front end surface 21 and a box body rear end surface 22, a front flow guide part 3 is arranged on the box body front end surface 21, the front flow guide part 3 is a quadrangular frustum pyramid-shaped structure and comprises a top plate 31 and a side wall 32, the top plate 31 is a square structure, the top plate 31 is parallel to the box body front end surface 21, the distance between the top plate 31 and the box body front end surface 21 is not more than the front turning radius of the semitrailer, the side wall 32 is formed by enclosing a first side plate 321, a second side plate 322, a third side plate 323 and a fourth side plate 324, the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324 are all in a trapezoidal structure, one end of the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324 far away, one end of the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324, which is close to the front end face 21 of the box body, is correspondingly connected with four sides of the front end face 21 of the box body, the included angle between the first side plate 321, the second side plate 322, the third side plate 323 and the fourth side plate 324 and the front end face 21 of the box body is 20-80 degrees, the rear end face 22 of the box body is provided with a rear flow guide part 4, the rear flow guide part 4 comprises a fifth side plate 41, a sixth side plate 42 and a seventh side plate 43, the sixth side plate 42 and the seventh side plate 43 are respectively positioned at two sides of the fifth side plate 41, the upper sides of the sixth side plate 42 and the seventh side plate 43 are respectively fixedly connected with two sides of the fifth side plate 41, the front ends of the sixth side plate 42 and the seventh side plate 43 are respectively fixedly connected with two sides of the rear end face 22 of the box body, the front end of the fifth side plate 41 is fixedly connected with the, The included angles between the sixth side plate 42 and the seventh side plate 43 and the rear end face 22 of the box body are all 30-75 degrees, a side skirt plate 5 is further arranged at the wheel 6, and the top of the side skirt plate 5 is fixedly connected with the bottom of the frame 1.

Claims (6)

1. The utility model provides a low windage semitrailer structure, includes frame (1), installs box (2) in frame (1) top, is located wheel (6) of frame (1) rear portion both sides, its characterized in that:
the utility model discloses a box, including box preceding terminal surface (21), box rear end face (22) box (2), be provided with preceding water conservancy diversion spare (3) on terminal surface (21) before the box, preceding water conservancy diversion spare (3) are quadrangular frustum column structure, including roof (31), side wall (32), roof (31) are square structure, and terminal surface (21) before roof (31) are on a parallel with the box, side wall (32) enclose mutually by a curb plate (321), No. two curb plates (322), No. three curb plate (323), No. four curb plate (324) and close and form, a curb plate (321), No. two curb plates (322), No. three curb plates (323), No. four curb plates (324) are the trapezium structure, and the one end of keeping away from box preceding terminal surface (21) on a curb plate (321), No. two curb plates (322), No. three curb plates (323), No. four curb plates (324) corresponds with the four sides of roof (31) respectively and is connected, No. one curb plate (321, One end of the second side plate (322), one end of the third side plate (323) and one end of the fourth side plate (324) close to the front end face (21) of the box body are correspondingly connected with four sides of the front end face (21) of the box body respectively.
2. A low wind resistance semitrailer structure as claimed in claim 1, characterized in that: be provided with back water conservancy diversion spare (4) on box rear end face (22), back water conservancy diversion spare (4) are including No. five curb plates (41), No. six curb plates (42), No. seven curb plates (43) are located the both sides of No. five curb plates (41) respectively, the upside of No. six curb plates (42), No. seven curb plates (43) respectively with the both sides fixed connection of No. five curb plates (41), the front end of No. six curb plates (42), No. seven curb plates (43) respectively with the both sides limit fixed connection of box rear end face (22), the preceding end of No. five curb plates (41) and the higher authority fixed connection of box rear end face (22).
3. A low wind resistance semitrailer structure as claimed in claim 1 or 2, characterized in that: the included angles between the first side plate (321), the second side plate (322), the third side plate (323) and the fourth side plate (324) and the front end face (21) of the box body are all 20-80 degrees.
4. A low wind resistance semitrailer structure as claimed in claim 2, characterized in that: the included angles between the fifth side plate (41), the sixth side plate (42) and the seventh side plate (43) and the rear end face (22) of the box body are all 30-75 degrees.
5. A low wind resistance semitrailer structure as claimed in claim 1 or 2, characterized in that: the automobile wheel is characterized in that a side skirt board (5) is further arranged at the wheel (6), and the top of the side skirt board (5) is fixedly connected with the bottom of the automobile frame (1).
6. A low wind resistance semitrailer structure as claimed in claim 2, characterized in that: the distance between the top plate (31) and the front end surface (21) of the box body does not exceed the front turning radius of the semitrailer.
CN201920518164.1U 2019-04-17 2019-04-17 Low windage semitrailer structure Active CN209904893U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920518164.1U CN209904893U (en) 2019-04-17 2019-04-17 Low windage semitrailer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920518164.1U CN209904893U (en) 2019-04-17 2019-04-17 Low windage semitrailer structure

Publications (1)

Publication Number Publication Date
CN209904893U true CN209904893U (en) 2020-01-07

Family

ID=69044365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920518164.1U Active CN209904893U (en) 2019-04-17 2019-04-17 Low windage semitrailer structure

Country Status (1)

Country Link
CN (1) CN209904893U (en)

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