CN204037311U - A kind of Integral U-shaped engine mounting crossbeam - Google Patents

A kind of Integral U-shaped engine mounting crossbeam Download PDF

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Publication number
CN204037311U
CN204037311U CN201420338928.6U CN201420338928U CN204037311U CN 204037311 U CN204037311 U CN 204037311U CN 201420338928 U CN201420338928 U CN 201420338928U CN 204037311 U CN204037311 U CN 204037311U
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China
Prior art keywords
crossbeam
adapter plate
transverse slat
plate
riser
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CN201420338928.6U
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Chinese (zh)
Inventor
段俊英
王金胜
陈林
张志明
李志刚
代祥波
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Abstract

A kind of Integral U-shaped engine mounting crossbeam, comprise crossbeam, left crossbeam fixed part and right crossbeam fixed part, one end of described crossbeam is fixedly connected with left longeron by left crossbeam fixed part, the other end of described crossbeam is fixedly connected with right vertical beam by right crossbeam fixed part, and the middle part of described crossbeam is fixedly connected with the bottom of driving engine by cushion assembly; Described crossbeam and left crossbeam fixed part, right crossbeam fixed part are structure as a whole, and the cross section of crossbeam is U-shaped structure, and described crossbeam comprises the lower suspension adapter plate arranged bottom it, and described lower suspension adapter plate is connected with the bottom of cushion assembly; Described lower suspension adapter plate is connected transverse slat with left, right connection transverse slat be arranged in parallel, and the end face of lower suspension adapter plate is 350 Hao meter – 400 millimeters to the fore-and-aft distance h of left connection transverse slat bottom surface.The design not only structure is simple, easy for installation, and can effectively control vehicle frame outer wide, prevent frame distortion.

Description

A kind of Integral U-shaped engine mounting crossbeam
Technical field
The utility model relates to a kind of engine mounting beam structure, particularly relates to a kind of Integral U-shaped engine mounting crossbeam, is specifically applicable to optimize suspension performance, controls the outer wide deviation of vehicle frame.
Background technology
Crossbeam is the primary member of vehicle frame being used for connecting left-right longeron in frame assembly, can be controlled the outer wide deviation of frame assembly, ensure the assembly relation of each parts on vehicle frame by the constraint of crossbeam.Existing frame assembly exists about two meters without crossbeam join domain within the scope of driving engine and change speed gear box arrangement space, vehicle frame outer wide size in engine mounting place is difficult to ensure card, but for ensureing the assembling of dynamic assembly, strictly must control again the outer wide deviation of this place's vehicle frame, how solve this contradiction quite important in Vehicle Frame Design.
Chinese patent Authorization Notice No. is CN202169867U, authorized announcement date is that the utility model patent on March 21st, 2012 discloses a kind of baby truck driving engine and change speed gear box supporting system, comprise the odd-side supporting mechanism of motor support mechanism and change speed gear box, described motor support mechanism comprises the front-suspension side plate part of driving engine both sides, on front-suspension below front-suspension side plate part, cross sill and upper, underlay glue, riser and the engine-side of front-suspension side plate part are connected, transverse slat horizontal bottom riser is connected front-suspension entablatrance, upper pad rubber cushion is on front-suspension, between cross sill, lower rubber cushion is placed in bottom front-suspension cross sill, with bolt through upper, underlay glue is by front-suspension, cross sill is connected, front-suspension cross sill two ends and frame side rail inner are connected.Although this utility model can effective supporting engines, still there is following defect in it:
1, this utility model utility model is only applicable to miniature car, can not adapt to load-carrying and the layout demand of medium and heavy commercial vehicle/comm..vehicle.
2, the large suspending apparatus of this utility model arranges multiple rubber mount, and installation procedure is many and complicated, is lowered into product efficiency; This crossbeam is provided with two suspension attachment points, reality is four point suspension, and each suspension point unbalance stress, can not adapt to the user demand of medium and heavy commercial vehicle/comm..vehicle.
Summary of the invention
The purpose of this utility model overcomes the problem that the suspension crossbeam existed in prior art cannot adapt to medium and heavy commercial vehicle/comm..vehicle installation requirements, provides a kind of Integral U-shaped engine mounting crossbeam being applicable to medium and heavy commercial vehicle/comm..vehicle.
For realizing above object, technical solution of the present utility model is:
A kind of Integral U-shaped engine mounting crossbeam, comprise crossbeam, left crossbeam fixed part and right crossbeam fixed part, one end of described crossbeam is fixedly connected with left longeron by left crossbeam fixed part, the other end of described crossbeam is fixedly connected with right vertical beam by right crossbeam fixed part, and the middle part of described crossbeam is fixedly connected with the bottom of driving engine by cushion assembly;
Described crossbeam and left crossbeam fixed part, right crossbeam fixed part are structure as a whole, and the cross section of crossbeam is U-shaped structure, and described crossbeam comprises the lower suspension adapter plate arranged bottom it, and described lower suspension adapter plate is connected with the bottom of cushion assembly;
Described left crossbeam fixed part comprises left adapter plate and left connection transverse slat, the bottom of described left adapter plate connects with the left left end being connected transverse slat is vertical, the left right-hand member of connection transverse slat is fixedly connected with the left end of crossbeam, the end face of left connection transverse slat is fixedly connected with by the right flank of the first reinforced rib with left adapter plate, and the left surface of left adapter plate is fixedly connected with the outside of belly of left longeron;
Described right crossbeam fixed part comprises right adapter plate and right connection transverse slat, the bottom of described right adapter plate connects with the right right-hand member being connected transverse slat is vertical, the right left end of connection transverse slat is fixedly connected with the right-hand member of crossbeam, the end face of right connection transverse slat is fixedly connected with by the left surface of the second reinforced rib with right adapter plate, and the right flank of right adapter plate is fixedly connected with the outside of belly of right vertical beam;
Described lower suspension adapter plate is connected transverse slat with left, right connection transverse slat be arranged in parallel, and the end face of lower suspension adapter plate is 350 Hao meter – 400 millimeters to the fore-and-aft distance h of left connection transverse slat bottom surface.
Described crossbeam also comprises left tiltedly connecting plate, right tiltedly connecting plate, left riser and right riser, the top of described left riser connects with the left right-hand member being connected transverse slat is vertical, the bottom of described left riser is fixedly connected with the left side of lower suspension adapter plate by left tiltedly connecting plate, and the end face of the oblique connecting plate in a described left side is fixedly connected with the right side of left riser by the 3rd reinforced rib; The top of described right riser connects with the right left vertical being connected transverse slat, and the bottom of described right riser is fixedly connected with the right side of lower suspension adapter plate by right tiltedly connecting plate, and the end face of the oblique connecting plate in the described right side is fixedly connected with the left side of right riser by the 4th reinforced rib.
Angle between the oblique connecting plate of described left riser and a left side is 140 Dus of – 160 degree, and the angle between the oblique connecting plate of described left riser and a left side equals the angle between the oblique connecting plate of right riser and the right side.
The middle part of described lower suspension adapter plate is provided with lightening hole.
Compared with prior art, the beneficial effects of the utility model are:
1, a kind of Integral U-shaped engine mounting of the utility model crossbeam is applicable to medium and heavy commercial vehicle/comm..vehicle, owing to having about two meters within the scope of the driving engine of medium and heavy commercial vehicle/comm..vehicle, change speed gear box arrangement space without crossbeam join domain, easily there is deviation in the outer tolerance of engine mounting place vehicle frame, therefore needs to adopt crossbeam mounting structure to control the outer wide deviation of vehicle frame; Due to medium and heavy commercial vehicle/comm..vehicle chassis compared with high, power system quality is large, the design of crossbeam needs the setting height(from bottom) focused on strengthening crossbeam mechanical strength, reduce lower suspension, the design adopts U-shaped girder construction, while effective reduction suspension setting height(from bottom), many reinforced ribs are set to improve crossbeam mechanical strength, enable the crossbeam of the design meet the user demand of medium and heavy commercial vehicle/comm..vehicle.Therefore, it is outer wide that the design effectively can control vehicle frame, do not change driving engine setting height(from bottom) while changing suspension mode.
2, the left crossbeam fixed part in a kind of Integral U-shaped of the utility model engine mounting crossbeam, right crossbeam fixed part are individually fixed in the outside of belly of left and right longeron, relative to the lower aerofoil in prior art, crossbeam being fixed on left and right longeron, although the design increases the setting height(from bottom) of crossbeam, the design meets the load-carrying demand of medium and heavy car to crossbeam more; If crossbeam to be fixed on the lower aerofoil of left and right longeron, lower aerofoil width is narrower on the one hand, and crossbeam mounting hole site and quantity are restricted, and the connection of heavy vehicle frame lower aerofoil easily causes stress to concentrate on the other hand, and vehicle frame can be caused time serious to tear; Crossbeam is arranged on the vehicle frame outside of belly, installing space is larger, chassis side rail is subject to inside pulling force, effectively control vehicle frame outer wide, can not frame carling structure be destroyed.Therefore, the crossbeam of the design is connected with the chassis side rail outside of belly, reasonable stress, stabilized structure.
3, the described crossbeam in a kind of Integral U-shaped of the utility model engine mounting crossbeam and left crossbeam fixed part, right crossbeam fixed part are structure as a whole, do not need separately to establish connecting panel about making crossbeam, the outer tolerance reducing crossbeam, the installation steps simplifying crossbeam, saved productive costs.Therefore, the design's location tolerance is little, installation method is simple, productive costs is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front elevation of the present utility model.
Fig. 3 is the structural representation of lower suspension adapter plate in Fig. 2.
In figure: crossbeam 1, lower suspension adapter plate 11, left tiltedly connecting plate 12, right tiltedly connecting plate 13, left riser 14, right riser 15, the 3rd reinforced rib 16, the 4th reinforced rib 17, lightening hole 18, left crossbeam fixed part 2, left adapter plate 21, left connection transverse slat 22, first reinforced rib 23, right crossbeam fixed part 3, right adapter plate 31, right connection transverse slat 32, second reinforced rib 33, left longeron 4, right vertical beam 5; H is the fore-and-aft distance of end face to left connection transverse slat 22 bottom surface of lower suspension adapter plate 11.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and with detailed description of the invention, the utility model to be described in further detail.
See figure 1 – Fig. 3, a kind of Integral U-shaped engine mounting crossbeam, comprise crossbeam 1, left crossbeam fixed part 2 and right crossbeam fixed part 3, one end of described crossbeam 1 is fixedly connected with left longeron 4 by left crossbeam fixed part 2, the other end of described crossbeam 1 is fixedly connected with right vertical beam 5 by right crossbeam fixed part 3, and the middle part of described crossbeam 1 is fixedly connected with the bottom of driving engine by cushion assembly;
Described crossbeam 1 is structure as a whole with left crossbeam fixed part 2, right crossbeam fixed part 3, and the cross section of crossbeam 1 is U-shaped structure, and described crossbeam 1 comprises the lower suspension adapter plate 11 arranged bottom it, and described lower suspension adapter plate 11 is connected with the bottom of cushion assembly;
Described left crossbeam fixed part 2 comprises left adapter plate 21 and left connection transverse slat 22, the bottom of described left adapter plate 21 connects with the left left end being connected transverse slat 22 is vertical, the right-hand member of left connection transverse slat 22 is fixedly connected with the left end of crossbeam 1, the end face of left connection transverse slat 22 is fixedly connected with by the right flank of the first reinforced rib 23 with left adapter plate 21, and the left surface of left adapter plate 21 is fixedly connected with the outside of belly of left longeron 4;
Described right crossbeam fixed part 3 comprises right adapter plate 31 and right connection transverse slat 32, the bottom of described right adapter plate 31 connects with the right right-hand member being connected transverse slat 32 is vertical, the left end of right connection transverse slat 32 is fixedly connected with the right-hand member of crossbeam 1, the end face of right connection transverse slat 32 is fixedly connected with by the left surface of the second reinforced rib 33 with right adapter plate 31, and the right flank of right adapter plate 31 is fixedly connected with the outside of belly of right vertical beam 5;
Described lower suspension adapter plate 11 is connected transverse slat 22 with left, right connection transverse slat 32 be arranged in parallel, and the end face of lower suspension adapter plate 11 is 350 Hao meter – 400 millimeters to the fore-and-aft distance h of left connection transverse slat 22 bottom surface.
Described crossbeam 1 also comprises left tiltedly connecting plate 12, right tiltedly connecting plate 13, left riser 14 and right riser 15, the top of described left riser 14 connects with the left right-hand member being connected transverse slat 22 is vertical, the bottom of described left riser 14 is fixedly connected with the left side of lower suspension adapter plate 11 by left tiltedly connecting plate 12, and the end face of the oblique connecting plate in a described left side 12 is fixedly connected with by the right side of the 3rd reinforced rib 16 with left riser 14; The top of described right riser 15 connects with the right left vertical being connected transverse slat 32, the bottom of described right riser 15 is fixedly connected with the right side of lower suspension adapter plate 11 by right tiltedly connecting plate 13, and the end face of the oblique connecting plate in the described right side 13 is fixedly connected with by the left side of the 4th reinforced rib 17 with right riser 15.
Angle between the oblique connecting plate 12 of described left riser 14 and a left side is 140 Dus of – 160 degree, and the angle between described left riser 14 and the oblique connecting plate in a left side 12 equals the angle between the oblique connecting plate 13 of right riser 15 and the right side.
The middle part of described lower suspension adapter plate 11 is provided with lightening hole 18.
Principle of the present utility model is described as follows:
Existing four point suspension, the gravity of power system is converted into the outside thrust of left longeron 4, right vertical beam 5, the reliability that the situation bottom left longeron 4 retrained not having beam structure, right vertical beam 5 deformation easily occur, cause the outer wide increase of vehicle frame, reduce automobile.
The design, according to the actual user demand of medium and heavy commercial vehicle/comm..vehicle, adopts U-shaped girder construction as the lower suspension beam structure of automobile dynamic system, can effectively control vehicle frame outer wide, prevent frame distortion; The two ends of U-shaped crossbeam 1 are connected with the outside of belly of left longeron 4, right vertical beam 5, and when U-shaped crossbeam 1 is stressed, the downward gravity of the behavior of structure due to U-shaped crossbeam 1 to be partially converted into left longeron 4, right vertical beam 5 to the pulling force of car body axis, effectively controls vehicle frame outer wide.
The design adopts three-point suspension in addition, stressed more stable relative to four point suspension the design, and the biddability of mounting assembly is better, decrease the constraint of driving engine to left longeron 4, right vertical beam 5, and beam structure assembly method is easy, stress performance is more excellent.
Embodiment 1:
See figure 1 – Fig. 3, a kind of Integral U-shaped engine mounting crossbeam, comprise crossbeam 1, left crossbeam fixed part 2 and right crossbeam fixed part 3, one end of described crossbeam 1 is fixedly connected with left longeron 4 by left crossbeam fixed part 2, the other end of described crossbeam 1 is fixedly connected with right vertical beam 5 by right crossbeam fixed part 3, and the middle part of described crossbeam 1 is fixedly connected with the bottom of driving engine by cushion assembly; Described crossbeam 1 is structure as a whole with left crossbeam fixed part 2, right crossbeam fixed part 3, and the cross section of crossbeam 1 is U-shaped structure, and described crossbeam 1 comprises the lower suspension adapter plate 11 arranged bottom it, and described lower suspension adapter plate 11 is connected with the bottom of cushion assembly; Described left crossbeam fixed part 2 comprises left adapter plate 21 and left connection transverse slat 22, the bottom of described left adapter plate 21 connects with the left left end being connected transverse slat 22 is vertical, the right-hand member of left connection transverse slat 22 is fixedly connected with the left end of crossbeam 1, the end face of left connection transverse slat 22 is fixedly connected with by the right flank of the first reinforced rib 23 with left adapter plate 21, and the left surface of left adapter plate 21 is fixedly connected with the outside of belly of left longeron 4; Described right crossbeam fixed part 3 comprises right adapter plate 31 and right connection transverse slat 32, the bottom of described right adapter plate 31 connects with the right right-hand member being connected transverse slat 32 is vertical, the left end of right connection transverse slat 32 is fixedly connected with the right-hand member of crossbeam 1, the end face of right connection transverse slat 32 is fixedly connected with by the left surface of the second reinforced rib 33 with right adapter plate 31, and the right flank of right adapter plate 31 is fixedly connected with the outside of belly of right vertical beam 5; Described lower suspension adapter plate 11 is connected transverse slat 22 with left, right connection transverse slat 32 be arranged in parallel, and the end face of lower suspension adapter plate 11 is 350 Hao meter – 400 millimeters to the fore-and-aft distance h of left connection transverse slat 22 bottom surface; Described crossbeam 1 also comprises left tiltedly connecting plate 12, right tiltedly connecting plate 13, left riser 14 and right riser 15, the top of described left riser 14 connects with the left right-hand member being connected transverse slat 22 is vertical, the bottom of described left riser 14 is fixedly connected with the left side of lower suspension adapter plate 11 by left tiltedly connecting plate 12, and the end face of the oblique connecting plate in a described left side 12 is fixedly connected with by the right side of the 3rd reinforced rib 16 with left riser 14; The top of described right riser 15 connects with the right left vertical being connected transverse slat 32, the bottom of described right riser 15 is fixedly connected with the right side of lower suspension adapter plate 11 by right tiltedly connecting plate 13, and the end face of the oblique connecting plate in the described right side 13 is fixedly connected with by the left side of the 4th reinforced rib 17 with right riser 15; Angle between the oblique connecting plate 12 of described left riser 14 and a left side is 150 degree, and the angle between described left riser 14 and the oblique connecting plate in a left side 12 equals the angle between the oblique connecting plate 13 of right riser 15 and the right side; The middle part of described lower suspension adapter plate 11 is provided with lightening hole 18.

Claims (4)

1. an Integral U-shaped engine mounting crossbeam, comprise crossbeam (1), left crossbeam fixed part (2) and right crossbeam fixed part (3), one end of described crossbeam (1) is fixedly connected with left longeron (4) by left crossbeam fixed part (2), the other end of described crossbeam (1) is fixedly connected with right vertical beam (5) by right crossbeam fixed part (3), the middle part of described crossbeam (1) is fixedly connected with the bottom of driving engine by cushion assembly, it is characterized in that:
Described crossbeam (1) and left crossbeam fixed part (2), right crossbeam fixed part (3) are structure as a whole, the cross section of crossbeam (1) is U-shaped structure, described crossbeam (1) comprises the lower suspension adapter plate (11) arranged bottom it, and described lower suspension adapter plate (11) is connected with the bottom of cushion assembly;
Described left crossbeam fixed part (2) comprises left adapter plate (21) and left connection transverse slat (22), the bottom of described left adapter plate (21) connects with the left left end being connected transverse slat (22) is vertical, the right-hand member of left connection transverse slat (22) is fixedly connected with the left end of crossbeam (1), the end face of left connection transverse slat (22) is fixedly connected with by the right flank of the first reinforced rib (23) with left adapter plate (21), and the left surface of left adapter plate (21) is fixedly connected with the outside of belly of left longeron (4);
Described right crossbeam fixed part (3) comprises right adapter plate (31) and right connection transverse slat (32), the bottom of described right adapter plate (31) connects with the right right-hand member being connected transverse slat (32) is vertical, the left end of right connection transverse slat (32) is fixedly connected with the right-hand member of crossbeam (1), the end face of right connection transverse slat (32) is fixedly connected with by the left surface of the second reinforced rib (33) with right adapter plate (31), and the right flank of right adapter plate (31) is fixedly connected with the outside of belly of right vertical beam (5);
Described lower suspension adapter plate (11) is connected transverse slat (22) with left, right connection transverse slat (32) be arranged in parallel, and the end face of lower suspension adapter plate (11) is 350 Hao meter – 400 millimeters to the fore-and-aft distance h of left connection transverse slat (22) bottom surface.
2. a kind of Integral U-shaped engine mounting crossbeam according to claim 1, it is characterized in that: described crossbeam (1) also comprises left tiltedly connecting plate (12), right tiltedly connecting plate (13), left riser (14) and right riser (15), the top of described left riser (14) connects with the left right-hand member being connected transverse slat (22) is vertical, the bottom of described left riser (14) is fixedly connected with the left side of lower suspension adapter plate (11) by left tiltedly connecting plate (12), and the end face on the oblique connecting plate in a described left side (12) is fixedly connected with the right side of left riser (14) by the 3rd reinforced rib (16); The top of described right riser (15) connects with the right left vertical being connected transverse slat (32), the bottom of described right riser (15) is fixedly connected with the right side of lower suspension adapter plate (11) by right tiltedly connecting plate (13), and the end face on the oblique connecting plate in the described right side (13) is fixedly connected with the left side of right riser (15) by the 4th reinforced rib (17).
3. a kind of Integral U-shaped engine mounting crossbeam according to claim 2, it is characterized in that: the angle between described left riser (14) and the oblique connecting plate in a left side (12) is 140 Dus of – 160 degree, the angle between described left riser (14) and the oblique connecting plate in a left side (12) equals the angle between right riser (15) and the right side oblique connecting plate (13).
4. a kind of Integral U-shaped engine mounting crossbeam according to claim 1,2 or 3, is characterized in that: the middle part of described lower suspension adapter plate (11) is provided with lightening hole (18).
CN201420338928.6U 2014-06-24 2014-06-24 A kind of Integral U-shaped engine mounting crossbeam Active CN204037311U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480303A (en) * 2015-12-25 2016-04-13 东风商用车有限公司 Rear suspension structure of rear transverse passenger car frame of engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480303A (en) * 2015-12-25 2016-04-13 东风商用车有限公司 Rear suspension structure of rear transverse passenger car frame of engine
CN105480303B (en) * 2015-12-25 2017-09-26 东风商用车有限公司 The rear overhang structure of horizontal bus frame after engine

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