CN109334767A - Short wheelbase Trapezoidal frame assembly structure - Google Patents
Short wheelbase Trapezoidal frame assembly structure Download PDFInfo
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- CN109334767A CN109334767A CN201811396348.1A CN201811396348A CN109334767A CN 109334767 A CN109334767 A CN 109334767A CN 201811396348 A CN201811396348 A CN 201811396348A CN 109334767 A CN109334767 A CN 109334767A
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- backrest
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- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 2
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/06—Connections between superstructure or understructure sub-units readily releasable
- B62D27/065—Connections between superstructure or understructure sub-units readily releasable using screwthread
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- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of short wheelbase Trapezoidal frame assembly structure, and by tubular cross bearer assembly, fluctuating plate crossbeam assembly, curved cross member assembly, rear preceding backrest-type crossbeam assembly, rear backrest-type crossbeam assembly, tail portion crossbeam be total, angle bar formula crossbeam, two axis limiting bracket assemblies, drop hanger assembly, rear axle vehicle frame reinforced support, engine front bracket, rear bracket of engine, front plate spring hold-down support, front lifting lug spring carrying block, rear leaf spring hold-down support, rear plate spring lifting lug support, pair spring carrying block, wheel support assembly etc. form.Carriage frame always integral flexing resistance and resistance to torsion can be improved in it, reduce the weight and cost of frame assembly, the phenomenon that eliminating frame cross assembly cracking, mitigate engine shake, the development cycle improved frame cross assembly versatility, reduce frame assembly and frame cross assembly, improve arrangement space, improves the requirement of frame assembly width.
Description
Technical field
The present invention relates to commercial vehicle vehicle frame technical fields, and in particular to a kind of short wheelbase Trapezoidal frame assembly structure.
Background technique
Currently, commercial vehicle frame assembly structure be with rivet by U-shaped crossbeam assembly, back-to-back tail portion crossbeam assembly, hair
Motivation front rack, rear bracket of engine, back-to-back type crossbeam assembly, front plate spring hold-down support, front lifting lug spring carrying block, rear leaf spring
The design structure of mode and frame assembly that hold-down support, rear plate spring lifting lug support and longitudinal beam are connected and fixed, but by
It is complicated in actual condition and vehicle frame stress, cause crossbeam assembly and hanger the problem of cracking and being broken occur, while joining
The problem of connecting bolt is loosened or is broken, vehicle frame resistance to torsion is on the weak side, and vehicle shakes serious, frame assembly unreasonable structural design, portion
Divide beam structure to have more than needed, from problem great, that frame cross versatility is low, seriously affects the service performance of vehicle, bring simultaneously
Great security risk.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the present invention provides a kind of short wheelbase Trapezoidal frame assembly structure, vehicle can be improved
Frame assembly entirety flexing resistance and resistance to torsion, the phenomenon that eliminating frame cross assembly cracking.
The technical solution adopted by the present invention is:
A kind of short wheelbase Trapezoidal frame assembly structure, including the first stringer, the second stringer, tubular cross bearer assembly, arc
Crossbeam assembly, rear preceding backrest-type crossbeam assembly, rear backrest-type crossbeam assembly, tail portion crossbeam assembly；
The axis of first stringer and the axis of second stringer are arranged in parallel, the first end of first stringer
It is fixedly connected between the first end of second stringer by the tubular cross bearer assembly, with the first of first stringer
The first end of end and the second stringer is frame assembly front end；
The tubular cross bearer assembly includes tubulose beam body and its two connector sleeves that both ends are respectively fixedly connected with, the tubular beams
One end of two connector sleeves is inserted at the both ends of body respectively, and the other end of two connector sleeves is respectively and in the first stringer, the second stringer
Side is fixedly connected, the axis of the tubulose beam body and the axis perpendicular of the first stringer and the second stringer；
The curved cross member assembly is set to tubular cross bearer assembly rear and is located at the load-bearing of engine and gearbox
Portion, the axis profile of the length direction of the curved cross member assembly is parallel with the axis of the tubular cross bearer assembly, the arc
Shape crossbeam assembly includes the inverted trapezoidal structure beam body of no upper bottom edge, and the opening both ends of the inverted trapezoidal structure beam body are separately connected
In the bottom surface of first stringer, the second stringer, the width direction section of the inverted trapezoidal structure beam body is trench structure, groove profile
Open end horizontal extension outward respectively；
It is described after before backrest-type crossbeam assembly and it is described after after backrest-type crossbeam assembly include I-shaped main body of cross-beam and
Two connecting plates at the I-shaped main body of cross-beam both ends are individually fixed in, two connecting plate is indulged with the first stringer, second respectively
The medial surface of beam is fixedly connected；It is described after before backrest-type crossbeam assembly be located at the first stringer, the second stringer second half section and be located at
The rear of the curved cross member assembly, rear backrest-type crossbeam assembly is located at the rear of the rear preceding backrest-type crossbeam assembly after described
And its axis is parallel with the axis of the tubulose beam body；
The tail portion crossbeam assembly includes groove profile beam body, which is fixedly connected on the second end of first stringer
Between portion and the second end of second stringer.
It preferably, further include wheel support assembly, wheel support assembly both ends point as a kind of enforceable scheme
It is not fixedly connected with the rear backrest-type crossbeam assembly and the tail portion crossbeam assembly.
It preferably, further include two front plate spring hold-down supports, two front lifting lug leaf spring branch as a kind of enforceable scheme
Seat, described two front plate spring hold-down supports and two front lifting lug spring carrying blocks respectively symmetrically be fixed on the first stringer, second vertical
Liang Shang, the front plate spring hold-down support are located in front of the front lifting lug spring carrying block, the front plate spring hold-down support and it is described before
Lifting lug spring carrying block is between the tubular cross bearer assembly, curved cross member assembly.
It preferably, further include leaf spring hold-down support, two rear lifting lug leaf spring branch after two as a kind of enforceable scheme
Seat, it is described two after leaf spring hold-down supports respectively symmetrically be fixed on the first stringer, on the outside of the second stringer and after described before
Backrest-type crossbeam assembly, it is described two after plate spring lifting lug supports respectively symmetrically be fixed on the first stringer, on the outside of the second stringer and
Close to the rear backrest-type crossbeam assembly.
Preferably, further include four secondary spring carrying blocks as a kind of enforceable scheme, be symmetrically disposed on the two-by-two respectively
On the outside of one stringer, the second stringer, wherein two symmetrical secondary spring carrying blocks are close to rear leaf spring hold-down support and are located at its rear,
Other two symmetrical secondary spring carrying block is close to rear plate spring lifting lug support and is located at its front.
Preferably, further include fluctuating plate crossbeam assembly as a kind of enforceable scheme, it is vertical to be fixedly connected with described first
Beam, the second stringer, the fluctuating plate crossbeam assembly are located between the curved cross member assembly, rear preceding backrest-type crossbeam assembly, institute
State the weight-bearing areas that fluctuating plate crossbeam assembly is located at transmission system.
Preferably, further include drop hanger assembly as a kind of enforceable scheme, it is vertical to be fixedly connected with described first
Beam, the second stringer, the drop hanger assembly are located at below the fluctuating plate crossbeam assembly.
It preferably, further include two rear axle vehicle frame reinforced supports and two two axis limits as a kind of enforceable scheme
Bracket assembly, described two rear axle vehicle frame reinforced supports respectively symmetrically be fixedly connected on the first stringer, on the second stringer and position
Before after described between backrest-type crossbeam assembly, rear backrest-type crossbeam assembly, described two two axis limiting bracket assembly difference
Symmetrically it is fixedly connected on the first stringer, on the second stringer and between the curved cross member assembly, fluctuating plate crossbeam assembly.
It preferably, further include two engine front brackets, two rear bracket of engine as a kind of enforceable scheme,
Described two engine front brackets respectively symmetrically be fixed on the first stringer, on the second stringer and to be located at the tubular cross bearer total
At between, curved cross member assembly, described two rear bracket of engine respectively symmetrically be fixed on the first stringer, on the second stringer,
The rear bracket of engine is close to the curved cross member assembly and is positioned above.
Preferably, as a kind of enforceable scheme, the connection between each component and the first stringer, the second stringer is all made of
Hexagonal flange bearing surface band tooth bolt and all-metal hexagonal flange locking nut are attached.
Compared with the prior art the beneficial effects of the present invention are:
Tubular cross bearer assembly main function is to play the intensity for guaranteeing engine and gearbox in structure, improves frame assembly
Resistance to torsion, stringer flexing resistance, each crossbeam assembly main function be increase frame assembly resistance to torsion and transmission shaft connection
Intensity, the guarantee of curved cross member assembly main function reinforce the intensity of engine and gearbox, improve the resistance to torsion of frame assembly, after
Preceding backrest-type crossbeam assembly, rear backrest-type crossbeam assembly main function are to guarantee that the bearing capacity of vehicle and frame assembly are anti-
Curved property resistance to torsion, tail portion crossbeam assembly are mainly the installation for guaranteeing wheel support and the connection reliability of stringer, wheel support
The installation site reasonability of assembly principal security spare tyre and the reliability and fastness of installation, hexagonal flange bearing surface band tooth spiral shell
Bolt and all-metal hexagonal flange locking nut main function are each crossbeam assembly of connection and stringer, while guaranteeing vehicle frame performance
Facilitate later period maintenance and check problem, forward and backward leaf spring hold-down support and lifting lug spring carrying block mainly guarantee frame assembly with
Fore suspension and rear suspension System level gray correlation obtains connection reliability, safety, the reliable transmission of drop hanger assembly principal security transmission system
And flexing resistance and resistance to torsion.
The beneficial effect of structure of the invention has but not exclusively includes: to improve carriage frame always integral flexing resistance and anti-
The phenomenon that property turned round reduces the weight and cost of frame assembly, eliminates frame cross assembly cracking, mitigates engine shake, improves
Frame cross assembly versatility, the development cycle for reducing frame assembly and frame cross assembly improve arrangement space, change
The requirement of kind frame assembly width, can select the General layout Plan of different power assemblies according to vehicle working condition.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of main view of the general assembly drawing of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Figure；
Fig. 2 is a kind of vertical view of the general assembly drawing of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Figure；
Fig. 3, Fig. 4 are successively a kind of tubular cross of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Main view, the left view of beam assembly；
Fig. 5, Fig. 6 are successively a kind of angle bar formulas of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Main view, the top view of crossbeam；
Fig. 7, Fig. 8, Fig. 9 are successively a kind of arcs of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Main view, top view, the left view of shape crossbeam assembly；
Figure 10, Figure 11, Figure 12 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Fluctuating plate crossbeam assembly main view, top view, left view；
Figure 13, Figure 14, Figure 15 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Rear leaf spring hold-down support main view, top view, left view；
Figure 16, Figure 17, Figure 18 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Rear plate spring lifting lug support main view, top view, left view；
Figure 19, Figure 20, Figure 21 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Secondary spring carrying block main view, top view, left view；
Figure 22, Figure 23, Figure 24 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Engine front bracket main view, top view, left view；
Figure 25, Figure 26, Figure 27 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Rear bracket of engine main view, top view, left view；
Figure 28, Figure 29, Figure 30 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Front plate spring hold-down support main view, top view, left view；
Figure 31, Figure 32, Figure 33 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Front plate spring lifting lug support main view, top view, left view；
Figure 34, Figure 35, Figure 36 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Tail portion crossbeam assembly main view, top view, left view；
Figure 37, Figure 38, Figure 39 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Wheel support assembly main view, top view, left view；
Figure 40, Figure 41, Figure 42 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Drop hanger assembly main view, top view, left view；
Figure 43, Figure 44 are successively a kind of rear axles of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Main view, the left view of vehicle frame reinforced support；
Figure 45, Figure 46, Figure 47 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Two axis limiting bracket assemblies main view, top view, left view；
Figure 48, Figure 49, Figure 50 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Rear preceding backrest-type crossbeam assembly main view, top view, left view；
Figure 51, Figure 52, Figure 53 are successively a kind of one embodiment of short wheelbase Trapezoidal frame assembly structure of the invention
Rear backrest-type crossbeam assembly main view, top view, left view；
Figure 54, Figure 55 are successively I, III part partial enlarged views shown in Fig. 2；
Figure 56 is successively II part shown in FIG. 1 partial enlarged view.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship, be merely for convenience of description the present invention, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, unless otherwise clear
It is specific to limit.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Embodiment 1:
A kind of short wheelbase Trapezoidal frame assembly structure, including the first stringer 3, the second stringer 4, tubular cross bearer assembly 1, arc
Shape crossbeam assembly 9, rear preceding backrest-type crossbeam assembly 17, rear backrest-type crossbeam assembly 18, tail portion crossbeam assembly 19；
The axis of first stringer 3 and the axis of second stringer 4 are arranged in parallel, and the first of first stringer 3
It is fixedly connected between end and the first end of second stringer 4 by the tubular cross bearer assembly 1, with first stringer
The first end of 3 first end and the second stringer 4 is frame assembly front end；
The tubular cross bearer assembly 1 includes tubulose beam body and its two connector sleeves that both ends are respectively fixedly connected with, the tubulose
The both ends of beam body are inserted into one end of two connector sleeves respectively, the other end of two connector sleeves respectively with the first stringer, the second stringer
Inside is fixedly connected, the axis of the tubulose beam body and the axis perpendicular of the first stringer and the second stringer；
The curved cross member assembly 9 is set to 1 rear of tubular cross bearer assembly and is located at holding for engine and gearbox
Weight portion, the axis profile of the length direction of the curved cross member assembly is parallel with the axis of the tubular cross bearer assembly, described
Curved cross member assembly includes the inverted trapezoidal structure beam body of no upper bottom edge, and the opening both ends of the inverted trapezoidal structure beam body connect respectively
It is connected to the bottom surface of first stringer 3, the second stringer 4, the width direction section of the inverted trapezoidal structure beam body is trench structure,
Distinguish horizontal extension outward in the open end of groove profile；
Backrest-type crossbeam assembly 17 and the rear backrest-type crossbeam assembly 18 include I-shaped crossbeam master before after described
Body and two connecting plates for being individually fixed in the I-shaped main body of cross-beam both ends, two connecting plate respectively with the first stringer 3, the
The medial surface of two stringers 4 is fixedly connected；Before after described backrest-type crossbeam assembly 17 be located at the first stringer 3, the second stringer 4 it is later half
Section and the rear for being located at the curved cross member assembly 9, it is described after after backrest-type crossbeam assembly 18 be located at it is described after before backrest-type it is horizontal
The rear of beam assembly 17 and its axis is parallel with the axis of the tubulose beam body；
The tail portion crossbeam assembly 19 includes groove profile beam body, which is fixedly connected on the of first stringer 3
Between two ends and the second end of second stringer 4.
It should be noted that 1 main function of tubular cross bearer assembly is the flexing resistance and resistance to torsion for guaranteeing frame assembly entirety；
Curved cross member assembly main function is the intensity for reinforcing engine and gearbox, improves the flexing resistance and resistance to torsion of frame assembly；
Preceding backrest-type crossbeam assembly 17, rear 18 main function of backrest-type crossbeam assembly are the bearing capacity and vehicle frame for guaranteeing vehicle afterwards
Assembly flexing resistance and resistance to torsion；The connection reliability of the guarantee stringer of tail portion crossbeam assembly 19.
Embodiment 2:
Relative to the scheme of embodiment 1, short wheelbase Trapezoidal frame assembly structure further includes wheel support assembly 15, institute
15 both ends of wheel support assembly are stated to fix and connect with the rear backrest-type crossbeam assembly 18 and the tail portion crossbeam assembly 19 respectively
It connects.
It should be noted that 15 principal security spare tyre of wheel support assembly installation site reasonability and installation it is reliable
Property and fastness；The installation of the guarantee wheel support of tail portion crossbeam assembly 19.
Embodiment 3:
Relative to the scheme of embodiment 1,2, short wheelbase Trapezoidal frame assembly structure further includes the fixed branch of two front plate springs
5, two front lifting lug spring carrying blocks 7 of seat, described two front plate spring hold-down supports 5 and two front lifting lug spring carrying blocks 7 are respectively symmetrically
Be fixed on the first stringer 3, on the second stringer 4, the front plate spring hold-down support 5 is located at 7 front of front lifting lug spring carrying block,
The front plate spring hold-down support 5 and the front lifting lug spring carrying block 7 be located at the tubular cross bearer assembly 1, curved cross member assembly 9 it
Between.
It should be noted that front plate spring hold-down support 5 and front lifting lug spring carrying block 7 mainly guarantee frame assembly and front overhang
Frame System level gray correlation obtains connection reliability, safety.
Embodiment 4:
Relative to the scheme of embodiment 1,2,3, short wheelbase Trapezoidal frame assembly structure, further include after two leaf spring fix
11, two rear lifting lug spring carrying blocks 14 of support, it is described two after leaf spring hold-down supports 11 respectively symmetrically be fixed on the first stringer
3, on the outside of the second stringer 4 and close to the rear preceding backrest-type crossbeam assembly 17, described two rear plate spring lifting lug supports 14 are right respectively
What is claimed is fixed on the first stringer 3,4 outside of the second stringer and the close rear backrest-type crossbeam assembly 18.
It should be noted that rear leaf spring hold-down support 11, rear lifting lug spring carrying block 14 mainly guarantee frame assembly with after
Suspension system is poor to obtain connection reliability, safety.
Embodiment 5:
Relative to the scheme of embodiment 1,2,3,4, short wheelbase Trapezoidal frame assembly structure further includes four subplate spring branch
Seat 12 is symmetrically disposed on the first stringer 3,4 outside of the second stringer two-by-two respectively, wherein two symmetrical secondary spring carrying blocks 12 lean on
Nearly rear leaf spring hold-down support 11 is simultaneously located at its rear, other two symmetrical secondary spring carrying block 12 is close to rear plate spring lifting lug support 14
And it is located at its front.
Embodiment 6:
Relative to the scheme of embodiment 1,2,3,4,5, short wheelbase Trapezoidal frame assembly structure, further includes fluctuating plate crossbeam
Assembly 10, is fixedly connected with first stringer 3, the second stringer 4, and the fluctuating plate crossbeam assembly 10 is located at the curved cross member
Between assembly 9, rear preceding backrest-type crossbeam assembly 17, the fluctuating plate crossbeam assembly 10 is located at the weight-bearing areas of transmission system.Institute
Fluctuating plate crossbeam assembly 10 is stated as the double-deck lamination, i.e., it includes upper layer and lower layer support plate, and two layers of support board is vertical with first
Beam 3, the second stringer 4 are connected, and connection frid is additionally provided with below two layers of support board.
Embodiment 7:
Relative to the scheme of embodiment 6, short wheelbase Trapezoidal frame assembly structure, further includes drop hanger assembly 22,
It is fixedly connected with first stringer 3, the second stringer 4, and the drop hanger assembly is located under the fluctuating plate crossbeam assembly
Side, and be connected with the connection frid of fluctuating plate crossbeam assembly 10.
It should be noted that the transmission of bottom sheet crossbeam assembly 10,22 principal security transmission system of drop hanger assembly can
By the effect of property and flexing resistance and resistance to torsion and the flexing resistance and resistance to torsion of frame assembly.
Embodiment 8:
Relative to the scheme of embodiment 1,2,3,4,5,6,7, short wheelbase Trapezoidal frame assembly structure further includes after two
Bridge vehicle frame reinforced support 13 and two two axis limiting bracket assemblies 16, described two rear axle vehicle frame reinforced supports 13 are respectively symmetrically
Be fixedly connected on the first stringer 3, on the second stringer 4 and be located at it is described after before backrest-type crossbeam assembly 17, rear backrest-type crossbeam
Between assembly 18, described two two axis limiting bracket assemblies 16 respectively symmetrically be fixedly connected on the first stringer 3, the second stringer 4
It goes up and is located between the curved cross member assembly 9, fluctuating plate crossbeam assembly 10.
It should be noted that the main function of rear axle vehicle frame reinforced support 13 is to reinforce longitudinal beam, two axis limiting brackets
The main function of assembly 16 is to reinforce longitudinal beam and limit.
Embodiment 9:
Relative to the scheme of embodiment 1,2,3,4,5,6,7,8, short wheelbase Trapezoidal frame assembly structure, further includes two
6, two rear bracket of engine 8 of engine front bracket, described two engine front brackets 6 respectively symmetrically be fixed on the first stringer
3, on the second stringer 4 and between the tubular cross bearer assembly 1, curved cross member assembly 9, described two rear bracket of engine 8
Respectively symmetrically be fixed on the first stringer 3, on the second stringer 4, the rear bracket of engine 8 is close to the curved cross member assembly 9
And it is positioned above.
It should be noted that the main function of engine front bracket 6, rear bracket of engine 8 is to guarantee that engine connection can
By property and fastness.
Embodiment 10:
Relative to the scheme of embodiment 1,2,3,4,5,6,7,8,9, short wheelbase Trapezoidal frame assembly structure, further includes angle
Iron formula crossbeam 2, beam body are made of angle bar profile, are fixed on the first stringer 3, on the second stringer 4, are located at tubular cross bearer assembly
Between 1 and front plate spring hold-down support 5.
It should be noted that 2 main function of angle bar formula crossbeam is the resistance to torsion for increasing frame assembly and the company of transmission shaft
Connect intensity.
Embodiment 11:
Relative to the scheme of embodiment 1,2,3,4,5,6,7,8,9,10, each crossbeam assembly and the first stringer 3, the second stringer
Connection between 4 is all made of hexagonal flange bearing surface band tooth bolt 20 and all-metal hexagonal flange locking nut 21 is connected
It connects.Guarantee to facilitate later period maintenance and check problem while vehicle frame performance.Preferably, the connection between each component is all made of six
Angle flange face bearing surface band tooth bolt 20 and all-metal hexagonal flange locking nut 21 are attached.
The foregoing is merely a prefered embodiment of the invention, is merely illustrative for the purpose of the present invention, and not restrictive.This
The structure and connection type etc. of each component may be changed in invention, it is all based on the technical solution of the present invention
The equivalents and improvement of progress, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of short wheelbase Trapezoidal frame assembly structure, which is characterized in that including the first stringer (3), the second stringer (4), pipe
Shape crossbeam assembly (1), curved cross member assembly (9), it is rear before backrest-type crossbeam assembly (17), rear backrest-type crossbeam assembly (18),
Tail portion crossbeam assembly (19)；
The axis of first stringer and the axis of second stringer are arranged in parallel, the first end of first stringer and institute
It states and is fixedly connected between the first end of the second stringer by the tubular cross bearer assembly, with the first end of first stringer
First end with the second stringer is frame assembly front end；
The tubular cross bearer assembly includes tubulose beam body and its two connector sleeves that both ends are respectively fixedly connected with, the tubulose beam body
One end of two connector sleeves is inserted at both ends respectively, and the other end of two connector sleeves is solid with the inside of the first stringer, the second stringer respectively
Fixed connection, the axis of the tubulose beam body and the axis perpendicular of the first stringer and the second stringer；
The curved cross member assembly is set to tubular cross bearer assembly rear and is located at the load receiving part of engine and gearbox, institute
The axis profile for stating the length direction of curved cross member assembly is parallel with the axis of the tubular cross bearer assembly, the curved cross member
Assembly includes the inverted trapezoidal structure beam body of no upper bottom edge, and the opening both ends of the inverted trapezoidal structure beam body are connected to described
The bottom surface of first stringer, the second stringer, the width direction section of the inverted trapezoidal structure beam body are trench structure, the opening of groove profile
Hold difference horizontal extension outward；
Backrest-type crossbeam assembly and the rear backrest-type crossbeam assembly include I-shaped main body of cross-beam and difference before after described
Be fixed on two connecting plates at the I-shaped main body of cross-beam both ends, two connecting plate respectively with the first stringer, the second stringer
Medial surface is fixedly connected；It is described after before backrest-type crossbeam assembly be located at the first stringer, the second stringer second half section and be located at described in
The rear of curved cross member assembly, it is described after after backrest-type crossbeam assembly be located at it is described after before backrest-type crossbeam assembly rear and its
Axis is parallel with the axis of the tubulose beam body；
The tail portion crossbeam assembly includes groove profile beam body, the groove profile beam body be fixedly connected on the second end of first stringer with
Between the second end of second stringer.
2. a kind of short wheelbase Trapezoidal frame assembly structure as described in claim 1, which is characterized in that further include wheel support
Assembly (15), wheel support assembly both ends are solid with the rear backrest-type crossbeam assembly and the tail portion crossbeam assembly respectively
Fixed connection.
3. a kind of short wheelbase Trapezoidal frame assembly structure as described in claim 1, which is characterized in that further include two foreboards
Spring hold-down support (5), two front lifting lug spring carrying blocks (7), described two front plate spring hold-down supports and two front lifting lug leaf spring branch
Seat respectively symmetrically be fixed on the first stringer, on the second stringer, the front plate spring hold-down support is located at the front lifting lug leaf spring branch
It is total that seat front, the front plate spring hold-down support and the front lifting lug spring carrying block are located at the tubular cross bearer assembly, curved cross member
Between.
4. a kind of short wheelbase Trapezoidal frame assembly structure as claimed in claim 3, which is characterized in that further include two back plates
Spring hold-down support (11), two rear lifting lug spring carrying blocks (14), it is described two after leaf spring hold-down supports being fixed on respectively symmetrically
On the outside of first stringer, the second stringer and close to the rear preceding backrest-type crossbeam assembly, described two rear plate spring lifting lug support difference
Symmetrically it is fixed on the first stringer, the second stringer outside and the close rear backrest-type crossbeam assembly.
5. a kind of short wheelbase Trapezoidal frame assembly structure as claimed in claim 4, which is characterized in that further include four subplates
Spring support (12) is symmetrically disposed on the first stringer, the second stringer outside two-by-two respectively, wherein two symmetrical secondary spring carrying blocks
Close to rear leaf spring hold-down support and it is located at its rear, other two symmetrical secondary spring carrying block is close to rear plate spring lifting lug support and position
In its front.
6. a kind of short wheelbase Trapezoidal frame assembly structure as described in claim 1, which is characterized in that further include fluctuating plate cross
Beam assembly (10), is fixedly connected with first stringer, the second stringer, and the fluctuating plate crossbeam assembly is located at the curved cross member
Between assembly, rear preceding backrest-type crossbeam assembly, the fluctuating plate crossbeam assembly is located at the weight-bearing areas of transmission system.
7. a kind of short wheelbase Trapezoidal frame assembly structure as claimed in claim 6, which is characterized in that further include that transmission shaft is hung
Frame assembly (22) is fixedly connected with first stringer, the second stringer, and it is horizontal that the drop hanger assembly is located at the fluctuating plate
Below beam assembly.
8. a kind of short wheelbase Trapezoidal frame assembly structure as claimed in claim 6, which is characterized in that further include two rear axles
Vehicle frame reinforced support (13) and two two axis limiting bracket assemblies (16), described two rear axle vehicle frame reinforced supports are respectively symmetrically
Be fixedly connected on the first stringer, on the second stringer and be located at it is described after before backrest-type crossbeam assembly, rear backrest-type crossbeam assembly
Between, described two two axis limiting bracket assemblies being fixedly connected on the first stringer, on the second stringer and being located at institute respectively symmetrically
It states between curved cross member assembly, fluctuating plate crossbeam assembly.
9. a kind of short wheelbase Trapezoidal frame assembly structure as described in claim 1, which is characterized in that further include two and start
Machine front rack (6), two rear bracket of engine (8), described two engine front brackets respectively symmetrically be fixed on the first stringer,
On second stringer and between the tubular cross bearer assembly, curved cross member assembly, described two rear bracket of engine are right respectively
What is claimed is fixed on the first stringer, on the second stringer, and the rear bracket of engine is close to the curved cross member assembly and disposed thereon
Side.
10. a kind of short wheelbase Trapezoidal frame assembly structure as described in any one of claim 1 to 9, which is characterized in that each component
Connection between the first stringer, the second stringer is all made of hexagonal flange bearing surface band tooth bolt and all-metal hexagonal flange is locked
Tight nut is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396348.1A CN109334767A (en) | 2018-11-22 | 2018-11-22 | Short wheelbase Trapezoidal frame assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396348.1A CN109334767A (en) | 2018-11-22 | 2018-11-22 | Short wheelbase Trapezoidal frame assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109334767A true CN109334767A (en) | 2019-02-15 |
Family
ID=65316904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811396348.1A Pending CN109334767A (en) | 2018-11-22 | 2018-11-22 | Short wheelbase Trapezoidal frame assembly structure |
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| Country | Link |
|---|---|
| CN (1) | CN109334767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775161A (en) * | 2019-11-06 | 2020-02-11 | 扬州市邗江金星机械厂 | Assembled freight train frame assembly |
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| CN206938857U (en) * | 2017-06-23 | 2018-01-30 | 东风商用车有限公司 | A kind of commercial car frame assembly |
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| CN102837740A (en) * | 2012-09-19 | 2012-12-26 | 中航黑豹股份有限公司 | Mini-truck riveting frame assembly |
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| CN110775161A (en) * | 2019-11-06 | 2020-02-11 | 扬州市邗江金星机械厂 | Assembled freight train frame assembly |
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