CN215245153U - Assembled aluminum alloy carriage bottom beam - Google Patents
Assembled aluminum alloy carriage bottom beam Download PDFInfo
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- CN215245153U CN215245153U CN202120282304.7U CN202120282304U CN215245153U CN 215245153 U CN215245153 U CN 215245153U CN 202120282304 U CN202120282304 U CN 202120282304U CN 215245153 U CN215245153 U CN 215245153U
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Abstract
The utility model relates to a pin-connected panel aluminum alloy carriage bottom end rail, bottom end rail include the bottom end rail main part that is "mouthful" style of calligraphy by aluminum alloy plate material integrated into one piece's cross section, and bottom end rail main part includes crossbeam upper plate, crossbeam hypoplastron and two crossbeam curb plates, and the upper portion both sides of crossbeam upper plate are equipped with the connecting ear frame that is used for overlap joint bottom longitudinal beam and connection laying floor respectively. The utility model discloses to mat formation floor and bottom end rail separation, make a whole to the bottom end rail, increase load-carrying capacity. The height of the bottom beam is improved, and the inertia moment of the structure is increased. The separated bottom cross beam, the separated bottom longitudinal beam and the separated bottom ring beam form an integral supporting structure, so that the compressive strength of the integral support of the bottom beam is improved, the load capacity of the truck is improved by nearly three times, and the transport capacity of the truck is improved.
Description
Technical Field
The utility model relates to an automobile bottom beam technical field specifically is a pin-connected panel aluminum alloy carriage bottom end rail for van carriage.
Background
At present, because the light in weight that the aluminum alloy material has, the good advantage of intensity, extensively be used for making van's floorbar, however, the shortcoming that current aluminum alloy carriage bottom beam structure exists wherein is: for example, in the existing aluminum alloy carriage bottom beam, the floor and the transverse structural beam are integrated, the bearing of the beam is only supported by the lower small cavity, and the load strength is not large. The existing wagon adopts the aluminum alloy carriage bottom cross beam with the structure, and the service life is not ideal when the wagon is used under a verified load due to low load strength.
Disclosure of Invention
An object of the utility model is to the problem that above-mentioned exists with not enough, provide a pin-connected panel aluminum alloy carriage base beam to improve the bearing structure of current van carriage base beam, increase bearing capacity, improve the volume of carrying cargo. A connecting structure is designed on the bottom cross beam to strengthen the connection with the bottom longitudinal beam and the paved floor.
In order to realize the purpose, the utility model discloses a technical scheme be:
an assembled aluminum alloy carriage bottom beam comprises a bottom beam main body which is integrally formed by aluminum alloy plate materials and has a square-shaped cross section; the bottom cross beam main body comprises a cross beam upper plate, a cross beam lower plate and two cross beam side plates, and connecting lug frames for lapping the bottom longitudinal beams and connecting the paved floor are respectively arranged on two sides of the upper part of the cross beam upper plate.
Further, connect the ear rack and include the ear rack upper plate that outwards horizontal extension that makes with the same horizontal plane of crossbeam upper plate an organic whole, integrative setting is at the ear rack curb plate of ear rack upper plate end and downward vertical extension, integrative setting is at the ear rack end outer support plate of ear rack curb plate end and to crossbeam curb plate direction horizontal extension and correspond ear rack end outer support plate and the ear rack end inner support plate of integrative level setting on the crossbeam curb plate at the ear rack end, ear rack end outer support plate and ear rack end inner support plate are in same horizontal plane and leave the gap between ear rack end outer support plate and the ear rack end inner support plate.
Further, the bottom rail comprises 2 to 8, or even more, bars.
During the installation, the upper portion of end longeron main part is equipped with a plurality of and many end crossbeam matched with make progress open-ended notches, and end longeron blocks respectively through a plurality of notches and puts many crossbeams and form the perpendicular crossing structure of cross with every crossbeam, and the top of connecting the bottom surface overlap joint end longeron of ear frame is fixed through welding, and the side of connecting the ear frame is used for with the floor welded connection that mats formation.
Furthermore, the width of the beam upper plate and the beam lower plate of the bottom beam is 50mm-250mm, the height of the bottom beam is 80mm-300mm, the width of the connection of the two lug frame upper plates and the beam upper plate is 100mm-300mm, and the thickness of the aluminum alloy plate for manufacturing the bottom beam is 1.5mm-5.0 mm.
The utility model has the advantages that:
the utility model discloses to mat formation floor and bottom end rail separation, make a whole to the bottom end rail, increase load-carrying capacity. Under the condition of not changing the height of the whole carriage, the height of the bottom beam is improved, and the inertia moment of the structure is increased. In the design of a transverse structure, the separated bottom cross beam, the separated bottom longitudinal beam and the separated bottom ring beam form an integral supporting structure, the compressive strength of the integral support of the bottom beam is improved, the load capacity of a truck is improved by nearly three times, the transportation capacity of the truck is increased, the fuel cost is reduced, and the acceptance of customers is higher.
Drawings
Fig. 1 is a schematic cross-sectional structure of a bottom cross member of the present invention;
FIG. 2 is a cross-sectional structural schematic view of a bottom stringer of the present invention;
FIG. 3 is a schematic structural view of the triangular tube support of the present invention;
FIG. 4 is a schematic structural view of the connection between the bottom longitudinal beam and the triangular tube support of the present invention;
FIG. 5 is a schematic view of the bottom longitudinal beam, the bottom cross beam and the triangular tube support of the present invention;
FIG. 6 is a schematic structural view of the triangular tube support, the bottom cross beam and the bottom longitudinal beam of the present invention;
FIG. 7 is a schematic view of the bottom longitudinal beam, bottom cross beam and triangular tube support of the present invention in another perspective;
fig. 8 is a schematic view of the structure of the bottom beam according to the present invention;
fig. 9 is a schematic view of another perspective of the bottom beam of the present invention;
fig. 10 is a schematic structural view of the welded connection between the bottom longitudinal beam and the triangular tube bracket of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-10, the embodiment of the present invention: the assembled aluminum alloy carriage bottom beam comprises a bottom beam main body which is integrally formed by aluminum alloy plate materials and has a square-shaped cross section; the bottom cross beam main body comprises a cross beam upper plate 21, a cross beam lower plate 22 and two cross beam side plates 23, and connecting lug frames for overlapping the bottom longitudinal beam 1 and connecting the paved floor 6 are respectively arranged on two sides of the upper part of the cross beam upper plate 21.
The connecting ear rack comprises an ear rack upper plate 24 which is integrally manufactured with the same horizontal plane of the beam upper plate 21 and extends outwards and horizontally, an ear rack side plate 25 which is integrally arranged at the tail end of the ear rack upper plate 24 and extends downwards and vertically, an ear rack bottom outer supporting plate 26 which is integrally arranged at the tail end of the ear rack side plate 25 and extends horizontally towards the beam side plate 23, and an ear rack bottom inner supporting plate 27 which corresponds to the ear rack bottom outer supporting plate 26 and is integrally and horizontally arranged on the beam side plate 23, wherein the ear rack bottom outer supporting plate 26 and the ear rack bottom inner supporting plate 27 are positioned on the same horizontal plane, and a gap is reserved between the ear rack bottom outer supporting plate 26 and the ear rack bottom inner supporting plate 27.
As shown in figures 1-3, the bottom beam of the utility model is used for the bottom beam of the assembled aluminum alloy carriage, which comprises two parallel bottom longitudinal beams 1, eight bottom beams 2 and four bottom ring beams 3, the outer side surfaces of the two bottom longitudinal beams 1 are respectively connected with a triangular tube bracket 4, the triangular tube bracket 4 comprises three short right-angle side plates 41 which are integrally formed by aluminum alloy plate materials and have right-angled triangle structures on the cross sections, long right angle sideboard 42 and sloping sideboard 43, the short right angle sideboard 41 of triangular pipe support 4 with paste tightly with end longeron 1's lateral surface, through welding mode fixed connection between triangular pipe support 4 and the end longeron 1, the long right angle sideboard 42 of triangular pipe support 4 forms a horizontal bracket that is used for holding end crossbeam 2, end crossbeam 2 erects perpendicularly on end longeron 1, rethread welding mode respectively with end longeron 1 and triangular pipe support 4's long right angle sideboard 42 fixed connection.
The bottom longitudinal beam 1 is provided with longitudinal beam connecting plates 11 which extend horizontally outwards on two side plates, the tail end of each longitudinal beam connecting plate 11 is vertically extended downwards to form a short side plate to form a buckling plate 12, the long right-angle side plate 42 of the triangular pipe support 4 is provided with a connecting step 421 which is flat and concave downwards at a position close to the short right-angle side plate 41, the length of the horizontal plane of the connecting step 421 is larger than that of each longitudinal beam connecting plate 11, and a connecting convex plate 13 which protrudes upwards and is attached to the inner side of the buckling plate 12 is arranged at a position, corresponding to the buckling plate 12, of the connecting step 421; the two outer sides of the lower part of the bottom longitudinal beam 1 are provided with longitudinal beam lower supporting plates 14 extending horizontally, and a short right-angle side plate 41 and a bevel side plate 43 of the triangular pipe bracket 4 are integrally connected through a horizontal supporting plate 44; triangular tube support 4 is through connecting the curb plate outside that flange 11 and short right angle sideboard 41 pasted buckle 12 inboard and end longeron 1 respectively, horizontal layer board 44 is installed on longeron bottom suspension board 14 upper portion, the position of connecting step 421 and keeping away from short right angle sideboard 41 encloses into a welding groove 5 with the buckle 12 outside, buckle 12 outside and the connection step 421 face in the welding groove 5 pass through welding mode long right angle sideboard 42 and buckle 12 fixed connection, longeron bottom suspension board 14 and horizontal layer board 44 pass through welding mode fixed connection, after welding groove 5 build-up welding is full, long right angle sideboard 42 links into a plane with connecting plate 11, the long right angle sideboard 42 of triangular tube support 4 forms the bracket that a bearing held in the palm end crossbeam 2.
The bottom longitudinal beam 1 comprises a bottom longitudinal beam main body which is integrally formed by an aluminum alloy plate material and has a cross section in a shape like a Chinese character 'ri', a plurality of notches 10 which are matched with a plurality of bottom cross beams 2 and are opened upwards are arranged at the upper part of the bottom longitudinal beam main body, the bottom longitudinal beam 1 is respectively clamped with the plurality of cross beams 2 through the plurality of notches 10 to form a cross vertical intersection structure with each cross beam 2, the bottom longitudinal beam main body is provided with a longitudinal beam upper plate 15, a longitudinal beam lower plate 16, two longitudinal beam side plates 17 and longitudinal beam middle clapboards 18, and a connecting plate 11 is arranged at the position of the two longitudinal beam side plates 17 corresponding to the middle clapboards 18; the longitudinal beam lower supporting plates 14 are arranged on two outer sides of two longitudinal beam side plates corresponding to a longitudinal beam lower plate 16, and the bottom position of the notch 10 corresponds to the position of the upper surface of a partition plate 18 in a longitudinal beam.
The utility model discloses preferred embodiment: the long right-angle side plate 42 and the oblique side plate 43 of the triangular tube support 4 are connected by a vertical support plate 45.
The gap left between the outer supporting plate 26 at the bottom of the ear frame and the inner supporting plate 27 at the bottom of the ear frame can be used as a reserved welding space, and the width ensures that welding rods can not be blocked when inclined; the vertical distance from the bottom surfaces of the outer supporting plate 26 at the bottom of the lug frame and the inner supporting plate 27 at the bottom of the lug frame to the outer side surface of the lower cross beam plate 22 is equal to the vertical distance between the upper plane of the longitudinal beam upper plate 15 of the bottom longitudinal beam 1 and the upper surface of the long right-angle side plate 42 of the welded triangular tube support 4, the lower cross beam plate 22 of the bottom cross beam 2 is installed on a bracket formed by the long right-angle side plate 42 of the triangular tube support 4, the lower surfaces of the outer supporting plate 26 at the bottom of the lug frame and the inner supporting plate 27 at the bottom of the lug frame connected with one side of the bottom cross beam 2 are attached to the upper plane of the longitudinal beam upper plate 15 of the bottom longitudinal beam 1 tightly, and the longitudinal beam upper plate 15 is fixedly connected with the lower cross beam through a welding mode.
The bottom ring beam 3 is provided with 4, the bottom ring beam 3 comprises a ring beam body, the ring beam body comprises a ring beam upper plate, a ring beam lower plate, a ring beam inner side plate and a ring beam outer side plate, wherein the upper parts of the ring beam upper plate and the ring beam inner side plate are provided with steps 31 for erecting two ends of the bottom cross beam 2, and the two ends of the bottom cross beam 2 are erected on the steps 31 and then fixedly connected with the bottom ring beam 3 in a welding mode.
The length of the short right-angle side plate 41 of the triangular pipe bracket 4 of the utility model is 50mm-300mm, such as 50mm, 80mm, 100mm, 120mm, 150mm, 180mm, 200mm, 220mm, 250mm, 280mm, 300 mm; the length of the long right-angle side plate 42 is 100mm-500mm, such as 100mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500 mm; the thickness of the aluminum alloy plate for manufacturing the triangular tube support 4 is 2.0mm-6.0mm, such as 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm and 6.0 mm. The specific size is not limited to the above listed parameters, and different sizes can be selected according to design and actual needs.
The width of the longitudinal beam upper plate 15 of the bottom longitudinal beam 1 of the utility model is 50mm-200mm, such as 50mm, 80mm, 100mm, 120mm, 150mm, 180mm and 200 mm; the height of the longitudinal beam side plate 17 is 150mm-500mm, such as 150mm, 180mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500 mm; the thickness of the aluminum alloy plate for manufacturing the bottom longitudinal beam 1 is 1.5mm-5.0mm, such as 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0 mm. The specific size is not limited to the above listed parameters, and different sizes can be selected according to design and actual needs.
The width of the beam upper plate 21 and the beam lower plate 22 of the bottom beam 2 of the utility model is 50mm-250mm, such as 50mm, 80mm, 100mm, 120mm, 150mm, 180mm, 200mm, 220mm, 250 mm; the height of the bottom beam 2 is 80mm-300mm, such as 80mm, 100mm, 120mm, 150mm, 180mm, 200mm, 220mm, 250mm, 280mm, 300 mm; the width of the connection between the two upper ear rack plates 24 and the upper beam plate 21 is 100mm-300mm, such as 100mm, 120mm, 150mm, 180mm, 200mm, 250mm, 300 mm; the thickness of the aluminum alloy plate for manufacturing the bottom beam 2 is 1.5mm-5.0mm, such as 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0 mm. The specific size is not limited to the above listed parameters, and different sizes can be selected according to design and actual needs. The bottom cross members 2 are not limited to 8, but may be 7, 6, or less. Or may be 9, 10, or more.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a pin-connected panel aluminum alloy carriage bottom beam, bottom beam (2) include the bottom beam main part that is "mouthful" style of calligraphy by aluminum alloy plate material integrated into one piece's cross section, bottom beam main part includes crossbeam upper plate (21), crossbeam hypoplastron (22) and two crossbeam curb plates (23), the upper portion both sides of crossbeam upper plate (21) are equipped with the connection ear frame that is used for overlap joint bottom longeron (1) and connection floor (6) of mating formation respectively.
2. The assembled aluminum alloy carriage bottom beam of claim 1, wherein: the connecting ear rack comprises an ear rack upper plate (24) which is integrally manufactured with the same horizontal plane of the cross beam upper plate (21) and extends outwards horizontally, an ear rack side plate (25) which is integrally arranged at the tail end of the ear rack upper plate (24) and extends downwards vertically, an ear rack bottom outer supporting plate (26) which is integrally arranged at the tail end of the ear rack side plate (25) and extends horizontally towards the direction of the cross beam side plate (23), and an ear rack bottom inner supporting plate (27) which corresponds to the ear rack bottom outer supporting plate (26) and is integrally and horizontally arranged on the cross beam side plate (23), wherein the ear rack bottom outer supporting plate (26) and the ear rack bottom inner supporting plate (27) are positioned at the same horizontal plane, and a gap is reserved between the ear rack bottom outer supporting plate (26) and the ear rack bottom inner supporting plate (27).
3. The assembled aluminum alloy carriage bottom beam of claim 1, wherein: the width of the beam upper plate (21) and the beam lower plate (22) of the bottom beam (2) is 50mm-250mm, the height of the bottom beam (2) is 80mm-300mm, the width of the connection of the two lug frame upper plates (24) and the beam upper plate (21) is 100mm-300mm, and the thickness of an aluminum alloy plate for manufacturing the bottom beam (2) is 1.5mm-5.0 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120282304.7U CN215245153U (en) | 2021-02-01 | 2021-02-01 | Assembled aluminum alloy carriage bottom beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120282304.7U CN215245153U (en) | 2021-02-01 | 2021-02-01 | Assembled aluminum alloy carriage bottom beam |
Publications (1)
Publication Number | Publication Date |
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CN215245153U true CN215245153U (en) | 2021-12-21 |
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CN202120282304.7U Active CN215245153U (en) | 2021-02-01 | 2021-02-01 | Assembled aluminum alloy carriage bottom beam |
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2021
- 2021-02-01 CN CN202120282304.7U patent/CN215245153U/en active Active
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