CN115649285A - Floor frame structure for truck and truck - Google Patents
Floor frame structure for truck and truck Download PDFInfo
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- CN115649285A CN115649285A CN202211385406.7A CN202211385406A CN115649285A CN 115649285 A CN115649285 A CN 115649285A CN 202211385406 A CN202211385406 A CN 202211385406A CN 115649285 A CN115649285 A CN 115649285A
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 210000002421 cell wall Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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Abstract
The invention provides a floor frame structure for a truck and the truck, wherein the floor frame structure is symmetrically arranged along an X0 axis of a whole truck coordinate system and comprises the following components: the inner part of the longitudinal beam is provided with a plurality of supporting frames, and one end of the longitudinal beam is connected with a rear wall integrated cross beam assembly; the integrated cross beams comprise a first integrated cross beam, a second integrated cross beam and a third integrated cross beam, and are sequentially arranged between the longitudinal beams in parallel along the X direction; one end of the beam joint is connected with the inner side of the longitudinal beam, and the other end of the beam joint is provided with an integrated beam; the beam frame mounting bracket is connected with the outer side of the longitudinal beam; the plate spring mounting bracket assembly is arranged at the bottom of the outer side of the longitudinal beam; the end parts of the integrated cross beams are overlapped at the cross beam joints, and the support frames in the longitudinal beams are aligned with the integrated cross beams in the Y direction. The floor frame structure and the cargo vehicle provided by the invention solve the problems of low part integration level, poor interchangeability and universality and poor expansibility of the floor frame structure of the cargo vehicle.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a floor frame structure for a truck and the truck.
Background
At present, the traditional steel cargo vehicle floor frame is composed of parts and assemblies such as longitudinal beams, integrated cross beams, beam frame joints, front and rear leaf spring mounting brackets, tail beam inner plates, side mounting brackets, round pipes Liang Deban, supporting pieces and the like, wherein the longitudinal beams and the integrated cross beams are different from each other left and right; in the traditional floor frame, parts are not designed in a classified and generalized manner, the difference between the left floor longitudinal beam and the right floor longitudinal beam is obvious, and the universality of the floor integrated cross beam is low, so that the interchangeability of a cross beam joint connected with the integrated cross beam and the longitudinal beam is poor, and the generalization and standardization are difficult to realize. The traditional cargo vehicle floor frame adopts the circular tube beam and the floor support piece assembly, the local rigidity of the floor structure is lower, meanwhile, the floor structure is limited by a non-universal longitudinal beam structure, the types of the mounting bracket at the front part of the plate spring at the front end of the longitudinal beam and the mounting bracket at the rear parts of the left side and the right side of the plate spring are multiple, the joint is complex, the development cost is high, the assembly and the sub-assembly can not be realized, and the cost control of the whole vehicle is not facilitated. Most parts of the floor frame are in a single-vehicle special state, the structural expandability of the floor frame is poor, the adjustment of vehicle body parameters of vehicle width, wheelbase, liang Ju and the like of a matched vehicle body is not facilitated, the vehicle type updating and the modular expansion are not facilitated, and the development of vehicle type derivative is not facilitated.
The present invention has been made in view of the above problems.
Disclosure of Invention
The invention provides a floor frame structure for a truck and the truck, and aims to solve the problems that in the prior art, the floor frame structure of the truck is low in part integration level, poor in interchangeability and universality and poor in floor frame structure expansibility.
The invention firstly provides a floor frame structure for a truck, which is arranged symmetrically along an axis X0 of a whole vehicle coordinate system and comprises:
the device comprises a longitudinal beam, a front wall and a rear wall, wherein the longitudinal beam is a groove body with a Z-direction opening;
the integrated cross beam comprises a first integrated cross beam, a second integrated cross beam and a third integrated cross beam, the integrated cross beams are sequentially arranged among the longitudinal beams in parallel along the X direction, and the integrated cross beams are groove bodies with openings in the Z direction;
the transverse beam joint is designed into a groove shape, one end of the transverse beam joint is connected with the inner side of the longitudinal beam, and the other end of the transverse beam joint is used for arranging the integrated transverse beam;
the beam frame mounting bracket is connected with the outer side of the longitudinal beam and is used for mounting and fixing the automobile beam frame;
the plate spring mounting bracket assembly is arranged at the bottom of the outer side of the longitudinal beam and is used for mounting a plate spring of an automobile;
the end parts of the integrated cross beams are overlapped on the cross beam joints to facilitate Y-direction expansion of the floor frame, and the support frames inside the longitudinal beams are aligned with the integrated cross beams in the Y-direction to facilitate local rigidity improvement.
Optionally, the longitudinal beam is self-symmetric along a Z-direction neutral plane of the longitudinal beam, the support frame is self-symmetric along the Z-direction neutral plane of the longitudinal beam, and the mounting position of the support frame on the longitudinal beam can be adjusted in a translation manner along the X direction.
Optionally, the plate spring mounting bracket assembly includes a plate spring front mounting bracket assembly and a plate spring rear mounting bracket assembly, wherein the plate spring front mounting bracket assembly is connected to the outer bottom of the longitudinal beam aligned with the first integrated cross beam in the Y direction, and the plate spring rear mounting bracket assembly is connected to the outer bottom of the longitudinal beam aligned with the third integrated cross beam in the Y direction.
Optionally, the plate spring front mounting bracket assembly comprises a plate spring front reinforcing plate assembly and a plate spring front mounting bracket sub-assembly, a groove is designed at the top of the plate spring front reinforcing plate assembly, and the groove is matched with the bottom of the longitudinal beam so as to be beneficial to embedding and connecting the bottom of the longitudinal beam to the plate spring front reinforcing plate assembly; the plate spring front mounting bracket sub-assembly is welded on the side wall of the plate spring front reinforcing plate assembly and located on the inner side of the floor frame structure, and a supporting groove is designed at the top of the plate spring front mounting bracket sub-assembly to reinforce the local strength of a beam joint connected with the first integrated beam.
Optionally, the beam frame mounting bracket comprises a beam frame front side mounting bracket and a beam frame rear side mounting bracket, the beam frame front side mounting bracket is arranged on the outer side of the longitudinal beam aligned in the Y direction of the first integrated cross beam and connected with the longitudinal beam and the side wall of the plate spring front mounting bracket assembly, the beam frame front side mounting bracket is a groove body with a Z-direction opening, and the top of the groove body is horizontal to the Z direction of the longitudinal beam so as to be beneficial to leveling the Z direction of the floor frame structure.
Optionally, the beam frame mounting bracket comprises a beam frame front side mounting bracket and a beam frame rear side mounting bracket, the beam frame rear side mounting bracket is arranged on the outer side of the Y-direction adjacent longitudinal beam of the third integrated cross beam, the beam frame rear side mounting bracket is a groove body with a Z-direction opening, and a welding positioning hole is designed at the bottom of the beam frame rear side mounting bracket to weld the floor and the side coaming plate of the truck. Optionally, a notch is designed at the top of the groove body wall of the integrated cross beam, and a plurality of first mounting holes are designed at the bottom and the groove body wall, so that the universality of the integrated cross beam is improved, and the integrated cross beam is expanded and used in an X-direction translation mode.
Optionally, the side walls and the bottom of the longitudinal beam are provided with a plurality of functional holes for connecting chassis components of the truck, and the arrangement of the support frame and the integrated cross beam does not shield the functional holes so as to reduce the influence on the connecting function of the floor frame structure.
Optionally, the floor frame structure further comprises a rear wall integrated cross beam assembly, the rear wall integrated cross beam assembly is connected with one end of the longitudinal beam far away from the first integrated cross beam, an X-direction installation interface is designed at the position, aligned with the left longitudinal beam and the right longitudinal beam, of the rear wall integrated cross beam assembly in the X direction so as to enable the rear wall cross beam assembly to be installed in a threaded connection mode, first positioning holes are further designed at the left end and the right end of the rear wall integrated cross beam assembly, and a second positioning hole is designed at the top of the rear wall integrated cross beam assembly so as to be beneficial to installation of an upper vehicle body.
The invention also provides a truck comprising a floor frame structure as described above, which is arranged at the rear end of the floor frame of the truck.
The floor frame structure for the truck and the truck provided by the invention have the beneficial effects that:
through the optimized design of the floor frame structure, the longitudinal beam is designed into a structure with the same left and right, and a support frame is added in the longitudinal beam to strengthen the rigidity of the longitudinal beam; meanwhile, the highly integrated cross beam is arranged between the longitudinal beams, so that the integrated cross beam can be horizontally adjusted in the X direction of the floor frame, and the universality of the floor frame structure is improved; the integrated cross beam is overlapped on the cross beam joint and is connected with the longitudinal beam through the cross beam joint, so that the floor frame structure can be expanded along the Y direction, different vehicle width, different wheel base, different vehicle body parameters such as Liang Ju and the like can be matched, and vehicle type updating and modularized expansion are facilitated; the integrated design of the floor frame structure integrated cross beam, the simplified design of the beam frame mounting bracket and the plate spring mounting bracket assembly enable the parts of the floor frame structure to be highly integrated, and the number of the parts and the development cost are reduced.
Other advantages and features of the present invention are further described in the following detailed description.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an overall structural view of a floor frame structure exemplarily provided in an embodiment of the present invention;
fig. 2 is a plan view of an exemplary floor frame structure provided in an embodiment of the present invention;
fig. 3 is a bottom view of an exemplary floor frame structure provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of any integrated beam connection that is exemplary provided in embodiments of the present invention;
fig. 5 is a schematic overall structure diagram of an exemplary supporting frame provided in the embodiment of the present invention;
fig. 6 is a partial structural view of a floor frame structure exemplarily provided in an embodiment of the present invention;
FIGS. 7 a-7 c are schematic structural views of a leaf spring front mounting bracket assembly provided in an exemplary embodiment of the invention;
FIG. 8 is a schematic structural view of a leaf spring rear mounting bracket assembly illustratively provided in embodiments of the invention;
fig. 9 is an overall structural schematic view of an integrated beam exemplarily provided in the embodiment of the present invention;
fig. 10 is a block diagram of an exemplary cargo vehicle provided in an embodiment of the present invention.
In the above figures, the list of parts represented by the various reference numerals is as follows:
10. a floor frame structure; 100. A stringer;
101. a support frame; 200. The rear wall is integrated with a beam assembly;
300. integrating the cross beam; 301. A first integrated cross beam;
302. a second integrated cross beam; 303. A third integrated cross beam;
310. a beam joint; 400. A beam frame mounting bracket;
500. a plate spring mounting bracket assembly; 401. A bracket is arranged on the front side of the beam frame;
402. a support is arranged at the rear side of the beam frame; 510. A bracket assembly is arranged in front of the plate spring;
520. a support assembly is arranged behind the plate spring; 511. A plate spring front reinforcing plate assembly;
512. a support sub-assembly is arranged in front of the plate spring; 102. A functional hole;
201. installing an interface; 202. A first positioning hole;
203. a second positioning hole; 1000. A cargo vehicle.
The specific implementation mode is as follows:
in order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
A general inventive concept of this embodiment is to provide a floor frame structure 10 for a cargo vehicle 1000 and a cargo vehicle 1000, wherein the floor frame structure 10 is symmetrically designed along an X0 axis, left and right longitudinal beams 100 in the floor frame structure 10 are designed to be the same structure, mounting points in the X direction of each mounting bracket of an integrated cross beam 300 in the conventional technology are integrated into an integrated cross beam 300 of the floor frame structure 10, and a standardized cross beam joint 310 is adopted to connect with the longitudinal beams 100 of the floor frame structure 10, so that the integrated cross beam 300 can be adjusted in the floor frame structure 10 in the X direction in a translational manner due to the same design of the left and right longitudinal beams 100, so as to meet the mounting requirements of the original vehicle systems, and improve the universality and expansibility of the floor frame structure 10; meanwhile, a support frame 101 is designed inside the longitudinal beam 100 to enhance the rigidity of the longitudinal beam 100; the integrated beam 300 is overlapped on the beam joint 310, so that the floor frame structure 10 can obtain Y-direction expansion function to adapt to different vehicle width, wheel base, liang Ju and other vehicle body parameters; due to the symmetrical design of the floor frame structure 10, the beam frame mounting bracket 400 and the plate spring mounting bracket assembly 500 are designed to be the same structure from left to right, so that the parts of the floor frame structure 10 are simplified, the integration level is improved, the development cost is further reduced, and the vehicle type derivative development is facilitated.
The invention provides a floor frame structure 10 and a truck 1000, and aims to solve the problems that in the prior art, the floor frame structure 10 of the truck 1000 is low in part integration level, poor in interchangeability and universality and poor in expansibility of the floor frame structure 10.
It should be noted that the coordinate descriptions in the "X direction, Y direction, Z direction" and the like mentioned in the description of the present invention are explained with reference to the coordinate system of the entire vehicle, that is, the straight line where the direction of the vehicle head is located is the X direction, the axial direction of the front wheel is the Y direction, and the direction perpendicular to the ground is the Z direction.
Referring to fig. 1 to 10, an alternative of an example of an embodiment of the present invention is shown, in which fig. 1 is a schematic overall structural diagram of a floor frame structure 10 provided in an example of the present invention. The floor frame structure 10, arranged axially symmetrically along a vehicle coordinate system X0, includes:
the longitudinal beam 100 is a groove body with a Z-direction opening, a plurality of support frames 101 are designed inside the longitudinal beam 100, and one end of the longitudinal beam 100 is connected with a rear wall integrated cross beam assembly 200;
the integrated cross beam 300 comprises a first integrated cross beam 301, a second integrated cross beam 302 and a third integrated cross beam 303, the first integrated cross beam, the second integrated cross beam and the third integrated cross beam are sequentially arranged among the longitudinal beams 100 in parallel along the X direction, and the integrated cross beam 300 is a groove body with an opening in the Z direction;
the beam joint 310 is designed to be groove-shaped, one end of the beam joint 310 is connected with the inner side of the longitudinal beam 100, and the other end of the beam joint 310 is used for arranging the integrated beam 300;
the beam frame mounting bracket 400 is connected with the outer side of the longitudinal beam 100 and is used for mounting and fixing an automobile beam frame;
a leaf spring mounting bracket assembly 500 arranged at the outer bottom of the longitudinal beam 100 for mounting a leaf spring of an automobile;
wherein, the end of the integrated cross beam 300 is overlapped on the cross beam joint 310 to facilitate the Y-direction expansion of the floor frame, and the support frame 101 inside the longitudinal beam 100 is aligned with the Y-direction of the integrated cross beam 300 to facilitate the local rigidity improvement.
Each structure is specifically described below.
In the optional scheme of the embodiment of the invention, the floor frame structure 10 is symmetrical along an X0 axis, the structures of the left longitudinal beam 100 and the right longitudinal beam 100 are the same, the longitudinal beams 100 and the integrated cross beam 300 are designed to be groove body structures with openings in the Z direction, the integrated cross beam 300 comprises a first integrated cross beam 301, a second integrated cross beam 302 and a third integrated cross beam 303, the integrated cross beam 300 is sequentially arranged on the inner sides of the left longitudinal beam 100 and the right longitudinal beam 100 along the X direction and is connected between the longitudinal beams 100 through a cross beam connector 310, the cross beam connector 310 adopts a groove body with an opening in the Z direction, the groove body of the cross beam connector 310 is matched with the end part of the integrated cross beam 300, the integrated cross beam 300 is overlapped on the cross beam connector 310, the floor frame can obtain an expansion allowance in the Y direction by adjusting the overlapping distance between the integrated cross beam 300 and the cross beam connector 310, so that the distance between the beam frames in the Y direction of the vehicle body is adjustable, that the width direction of the vehicle body beam frame and the vehicle body are adjustable, and the universality of the floor frame structure 10 is improved; three support frames 101 are respectively designed in the groove bodies of the left longitudinal beam 100 and the right longitudinal beam 100, wherein two pairs of support frames 101 are arranged in the groove bodies of the longitudinal beams 100 at the Y-direction alignment positions of the first integrated cross beam 301, so that the local rigidity of the floor frame structure 10 at the connection position of the first integrated cross beam 301 is improved; first integrated crossbeam 301, the structure of second integrated crossbeam 302 and third integrated crossbeam 303 is the same, integrated crossbeam 300's cell wall design has a plurality of first mounting holes (not reference numeral) and mounting groove (not reference numeral), in order to improve integrated crossbeam 300's commonality, because the same design of symmetry of controlling longeron 100, make integrated crossbeam 300 adjustable in floor frame structure 10's X to the interval, support frame 101 can be along with integrated crossbeam 300's X to horizontal adjustment corresponding adjustment, with the installation demand of the adjacent automobile body system of adaptation floor frame structure 10. Through the symmetrical design to longeron 100, the design of integrated crossbeam 300's universalization design and beam joint 310 for floor frame structure 10's commonality obtains improving, is favorable to reducing development cost, improves floor frame structure 10's expansibility.
Specifically, referring to fig. 4, fig. 4 is a partial cross-sectional view of a connection portion between an integrated cross beam 300 and a longitudinal beam 100 according to an exemplary embodiment of the present invention, which illustrates an embodiment of Y-direction adjustment of the integrated cross beam 300, where Δ Y is an adjustment margin of the floor frame structure 10Y.
Further, the longitudinal beam 100 is self-symmetrical along the Z-direction neutral plane of the longitudinal beam 100, the support frame 101 is self-symmetrical along the Z-direction neutral plane of the longitudinal beam 100, and the mounting position of the support frame 101 on the longitudinal beam 100 can be adjusted in a translation manner along the X direction.
In an optional scheme of the embodiment of the invention, the longitudinal beam 100 is self-symmetric along a Z-direction neutral plane of the longitudinal beam 100, angles of groove walls of the longitudinal beam 100 in a central plane are kept the same, and the support frame 101 is self-symmetric along the Z-direction neutral plane of the longitudinal beam 100, so that the position of the support frame 101 in the groove body of the longitudinal beam 100 can be adjusted in a translation manner along the X direction, and local rigidity of a required part is enhanced.
It can be understood that the support frames 101 are arranged in the groove bodies of the longitudinal beams 100, the Y-direction width of the groove bodies of the longitudinal beams 100 is kept consistent, and the three pairs of support frames 101 can be translated in the groove bodies of the longitudinal beams 100 in the X direction or arranged in a front-to-back direction in the X direction. As shown in fig. 5, in an alternative embodiment of the present invention, the supporting frame 101 is a plate, a through hole is designed in the center of the supporting frame, and the periphery of the plate extends in the X direction to fit the inner wall of the groove body of the longitudinal beam 100.
With reference to fig. 6, in an alternative embodiment of the present invention, the beam mount mounting bracket 400 is further connected to the outer sides of the left and right longitudinal beams 100, the beam mount mounting bracket 400 located at the left end has the same structure as the beam mount mounting bracket 400 located at the right end, so as to simplify the design of the beam mount mounting bracket 400, and the beam mount mounting bracket 400 is used for welding and matching the floor and side wall assembly of the truck 1000.
Further, the beam mounting bracket 400 comprises a beam front mounting bracket 401 and a beam rear mounting bracket 402, the beam front mounting bracket 401 is arranged outside the first integrated cross beam 301Y-direction aligned longitudinal beam 100 and connected with the longitudinal beam 100 and the side wall of the plate spring front mounting bracket assembly 510, the beam front mounting bracket 401 is a groove body with a Z-direction opening, and the top of the beam front mounting bracket is horizontal to the longitudinal beam 100Z direction, so that the floor frame structure 10Z direction can be kept flat.
In the optional scheme of the embodiment of the invention, the beam frame mounting bracket 400 comprises a beam frame front side mounting bracket 401 and a beam frame rear side mounting bracket 402, wherein the beam frame front side mounting bracket 401 is designed into a groove body with a Z-direction opening, the top of the wall of the groove body extends towards the outer side and is horizontal to the Z direction of the top surface of the longitudinal beam 100; one side of the beam frame front side mounting bracket 401 is connected with the side wall of the longitudinal beam 100 and the plate spring front mounting bracket assembly 510 and is aligned with the first integrated cross beam 301 in the Y direction, the bottom of the other side of the beam frame front side mounting bracket 401 is designed with a Y-direction extension plate, and meanwhile, the bottom of the beam frame mounting bracket 400 and the extension plate are designed with welding positioning holes (not numbered) for matching with the beam frame rear side mounting bracket 402 to weld the floor and side wall assembly of the truck 1000. Further, the beam mounting bracket 400 comprises a beam front mounting bracket 401 and a beam rear mounting bracket 402, the beam rear mounting bracket 402 is arranged outside the third integrated cross beam 303Y adjacent to the longitudinal beam 100, the beam rear mounting bracket 402 is a groove body with a Z-direction opening, and a welding positioning hole (not numbered) is designed at the bottom of the groove body to weld the floor and side wall assembly of the truck 1000.
In an optional scheme of the embodiment of the invention, the beam frame mounting bracket 400 comprises a beam frame front side mounting bracket 401 and a beam frame rear side mounting bracket 402, the beam frame rear side mounting bracket 402 is designed into a groove body with a Z-direction opening, one side of the groove body is connected with the outer side of the longitudinal beam 100 adjacent to the Y direction of the third integrated cross beam 303, the wall of the groove body on the other side extends towards the outer side of the beam frame rear side mounting bracket 402, the extending part is provided with a welding positioning hole, the bottom of the beam frame rear side mounting bracket 402 is provided with a welding positioning hole, and the welding positioning hole of the extending part and the bottom welding positioning hole of the beam frame rear side mounting bracket 402 are matched with the beam frame front side mounting bracket 401 to weld the floor and side wall assembly of the truck 1000.
With continuing reference to fig. 7-8, fig. 7-8 are schematic structural views of a leaf spring mounting bracket assembly 500 according to an exemplary embodiment of the present invention; the plate spring mounting bracket assembly 500 comprises a plate spring front mounting bracket assembly 510 and a plate spring rear mounting bracket assembly 520, wherein the plate spring front mounting bracket assembly 510 is connected to the outer bottom of the longitudinal beam 100 aligned with the Y direction of the first integrated cross beam 301, and the plate spring rear mounting bracket assembly 520 is connected to the outer bottom of the longitudinal beam 100 aligned with the Y direction of the third integrated cross beam 303; the front mounting bracket assembly 510 and the rear mounting bracket assembly 520 are connected to the leaf spring assembly of the truck 1000 in a matching manner.
In an optional scheme of the embodiment of the invention, the plate spring front mounting bracket assembly 510 comprises a plate spring front reinforcing plate assembly 511 and a plate spring front mounting bracket sub-assembly 512, wherein a groove is designed at the top of the plate spring front reinforcing plate assembly 511, and the groove is matched with the bottom profile of the longitudinal beam 100 so as to be beneficial to embedding and connecting the bottom and the outer side wall of the groove body of the longitudinal beam 100 to the plate spring front reinforcing plate assembly 511; a support groove is designed at the top of the plate spring front mounting bracket subassembly 512, and the support groove is connected with the bottom of the beam joint 310 at the joint of the first integrated beam 301 so as to strengthen the local strength of the beam joint 310 connected with the first integrated beam 301 and improve the local rigidity of the front end of the floor frame structure 10; the leaf spring front mounting bracket sub-assembly 512 is welded to the side wall of the leaf spring front reinforcement plate assembly 511, inside the floor frame structure 10.
In an optional scheme of the embodiment of the invention, the structures of the plate spring rear mounting bracket assembly 520 and the plate spring front mounting bracket assembly 510 are designed in the same way, so that the plate spring mounting bracket assembly 500 is modularized, and the plate spring front mounting bracket sub-assemblies 512 are only required to be respectively welded to the inner side and the outer side of the plate spring front reinforcing plate assembly 511 and connected with the outer side bottoms of the longitudinal beams 100 aligned in the Y direction of the first integrated cross beam 301 and the third integrated cross beam 303, so that the mounting requirements of the plate spring assembly of the truck 1000 can be met.
In the modified embodiment of the present invention, the rear leaf spring mounting bracket assembly 520 has a groove at the top for mounting, and is engaged with the bottom of the longitudinal beam 100, and is adjacent to the third integrated transverse beam 303 in the Y direction, and a plurality of second mounting holes (not numbered) are designed at the bottom of the rear leaf spring mounting bracket assembly 520, so as to meet the mounting requirements of the leaf spring assembly of the truck 1000.
With continuing reference to fig. 9, fig. 9 illustrates an overall structure of the integrated cross beam 300 in an alternative embodiment of the present invention, the top of the tank wall of the integrated cross beam 300 extends toward the outer side of the integrated cross beam 300 itself, the top is provided with a plurality of notches, and the bottom and the tank wall of the integrated cross beam 300 are designed with a plurality of first mounting holes (not numbered), so that the integrated cross beam 300 highly integrates the mounting function of the original integrated cross beam 300. Through the unified design to the structure of first integrated crossbeam 301, the integrated crossbeam 302 of second and the integrated crossbeam 303 of third, high integration for floor frame structure 10's part quantity obtains reducing, need not redesign again to the integrated crossbeam 300 of difference, in order to do benefit to the improvement of integrated crossbeam 300 commonality, and simultaneously, integrated crossbeam 300 is when the installation demand that faces the difference, can satisfy different installation demands through in X to the translation adjustment that does the correspondence, improves floor frame structure 10's commonality.
Further, the side walls and the bottom of the longitudinal beams 100 are designed with a plurality of functional holes 102 for connecting chassis components of the truck 1000, and the arrangement of the supporting frames 101 and the integrated cross beam 300 does not block the functional holes 102, so as to reduce the influence on the connecting function of the floor frame structure 10.
In an optional solution of the embodiment of the present invention, the side walls and the bottom of the longitudinal beam 100 are designed with a plurality of functional holes 102 to connect chassis components of the truck 1000, and the supporting frame 101 and the integrated cross beam 300 can perform X-direction translation during arrangement, so as to avoid shielding the functional holes 102 on the side walls and the bottom of the longitudinal beam 100.
It can be understood that the functional holes 102 mentioned in the embodiments of the present invention may be designed to be expanded according to the installation requirements of the truck 1000, the specific hole arrangement is not affected by the arrangement of the support frame 101 and the integrated cross beam 300, and since the support frame 101 and the integrated cross beam 300 may be arranged in the X-direction translation manner, when the position of the functional hole 102 conflicts with the arrangement position of the support frame 101 and the integrated cross beam 300, the arrangement requirements of the functional hole 102 may be satisfied by the X-direction translation of the support frame 101 and the integrated cross beam 300.
Further, the floor frame structure 10 further comprises a rear wall integrated cross beam assembly 200, the rear wall integrated cross beam assembly 200 is connected with one end of the longitudinal beam 100 far away from the first integrated cross beam 301, an X-direction mounting interface 201 is designed at the position of the rear wall integrated cross beam assembly 200 aligned with the left and right longitudinal beams 100 in the X direction, and the mounting interface 201 is used for screwing the longitudinal beam 100 and the rear wall integrated cross beam assembly 200; the left end and the right end of the rear wall integrated cross beam assembly 200 are also provided with a first positioning hole 202, and the top surface is provided with a second positioning hole 203, so that the welding of an upper vehicle body is facilitated.
In an optional scheme of the embodiment of the present invention, the floor frame structure 10 further includes a rear wall integrated cross beam assembly 200, and the rear wall integrated cross beam assembly 200 is disposed at the tail of the floor frame structure 10 and connected to the X-direction end portions of the two longitudinal beams 100; the rear wall integrated cross beam assembly 200 is plate-shaped, a vertical mounting plate is designed at the joint of the rear wall integrated cross beam assembly 200 and the longitudinal beam 100, and an X-direction mounting interface 201 is designed on the plane of the vertical mounting plate far away from the longitudinal beam 100; the mounting interface 201 is aligned with the groove body groove X direction of the longitudinal beam 100 so as to screw the rear wall integrated cross beam assembly 200 with the end part of the longitudinal beam 100, so that the local strength of the end part of the longitudinal beam 100 is improved; the left end and the right end of the rear wall integrated beam assembly 200 are further provided with a first positioning hole 202, the top of the rear wall integrated beam assembly 200 is provided with a second positioning hole 203, and the floor frame structure 10 can be matched and connected with the upper body of the truck 1000 through the design of the installation interface 201, the first positioning hole 202 and the second positioning hole 203.
The invention also provides a truck 1000 comprising a floor frame structure 10 as described above, the floor frame structure 10 being arranged at a rear end of the floor frame of the truck 1000.
It should be understood by those skilled in the art that, if the floor frame structure 10 for the cargo vehicle 1000 and the cargo vehicle 1000 provided by the embodiment of the present invention are provided, all or part of the sub-modules involved therein are combined and replaced by simple changes, mutual changes, etc., such as the moving positions of the components; or the product formed by the composite material is designed integrally; or a detachable design; it is within the scope of the present disclosure that any combination of components may be combined into a device/apparatus/system having the specified functionality, and it is within the scope of the present disclosure to replace the corresponding components of the present disclosure with such a device/apparatus/system.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In summary, the floor frame structure 10 and the cargo vehicle 1000 provided by the embodiment of the present invention have the following beneficial effects: through the optimized design of the floor frame structure 10, the longitudinal beam 100 is designed into a structure which is the same from left to right, and a support frame 101 is added in the longitudinal beam 100 to strengthen the rigidity of the longitudinal beam 100; meanwhile, the highly integrated cross beam 300 is arranged between the longitudinal beams 100, so that the integrated cross beam 300 can be horizontally adjusted in the X direction of the floor frame, and the universality of the floor frame structure 10 is improved; the integrated cross beam 300 is overlapped on the cross beam joint 310 and is connected with the longitudinal beam 100 through the cross beam joint 310, so that the floor frame structure 10 can be expanded along the Y direction, different vehicle widths, different wheel bases, different vehicle body parameters such as Liang Ju and the like can be matched, and vehicle type updating and modularized expansion are facilitated; the integrated design of the floor frame structure 10 integrated cross beam 300, the simplified design of the beam frame mounting bracket 400 and the plate spring mounting bracket assembly 500 enable the high integration of the parts of the floor frame structure 10, and reduce the number of the parts and the development cost.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A floor frame structure for a truck, arranged axially symmetrically along a full vehicle coordinate system X0, comprising:
the supporting frame comprises a longitudinal beam and a supporting frame, wherein the longitudinal beam is a groove body with a Z-direction opening, a plurality of supporting frames are arranged inside the longitudinal beam, and one end of the longitudinal beam is connected with a rear wall integrated cross beam assembly;
the integrated cross beam comprises a first integrated cross beam, a second integrated cross beam and a third integrated cross beam, and is sequentially arranged between the longitudinal beams in parallel along the X direction, and the integrated cross beam is a groove body with an opening in the Z direction;
the transverse beam joint is groove-shaped, one end of the transverse beam joint is connected with the inner side of the longitudinal beam, and the other end of the transverse beam joint is used for arranging the integrated transverse beam;
the beam frame mounting bracket is connected with the outer side of the longitudinal beam and is used for mounting and fixing an automobile beam frame;
the plate spring mounting bracket assembly is arranged at the bottom of the outer side of the longitudinal beam and used for mounting a plate spring of an automobile;
the end parts of the integrated cross beams are overlapped on the cross beam joints to facilitate Y-direction expansion of the floor frame, and the support frames inside the longitudinal beams are aligned with the integrated cross beams in the Y direction to facilitate local rigidity improvement.
2. The floor frame structure of claim 1, wherein the stringers are self-symmetric along a Z-neutral plane of the stringers, the support brackets are self-symmetric along the Z-neutral plane of the stringers, and the mounting positions of the support brackets to the stringers are translationally adjustable along the X-direction.
3. The floor frame structure of claim 1, wherein said leaf spring mounting bracket assembly includes a leaf spring front mounting bracket assembly and a leaf spring rear mounting bracket assembly, wherein said leaf spring front mounting bracket assembly is attached to said rail outboard bottom portion aligned with said first integrated cross member Y-direction, and wherein said leaf spring rear mounting bracket assembly is attached to said rail outboard bottom portion aligned with said third integrated cross member Y-direction.
4. The floor frame structure of claim 3, wherein the front leaf spring mounting bracket assembly comprises a front leaf spring reinforcing plate assembly and a front leaf spring mounting bracket sub-assembly, the top of the front leaf spring reinforcing plate assembly is provided with a groove, and the groove is matched with the bottom of the longitudinal beam to facilitate the bottom of the longitudinal beam to be embedded and connected with the front leaf spring reinforcing plate assembly; the plate spring front mounting bracket subassembly is welded to the side wall of the plate spring front reinforcing plate subassembly and is located on the inner side of the floor frame structure, and a support groove is formed in the top of the plate spring front mounting bracket subassembly to reinforce the local strength of the beam joint connected with the first integrated beam.
5. The floor frame structure of claim 3, wherein the beam mounting bracket comprises a beam mounting front mounting bracket and a beam mounting rear mounting bracket, the beam mounting front mounting bracket is arranged on the outer side of the longitudinal beam aligned with the Y direction of the first integrated cross beam and connected with the longitudinal beam and the side wall of the plate spring front mounting bracket assembly, the beam mounting front mounting bracket is a groove body with an opening in the Z direction, and the top of the beam mounting front mounting bracket is aligned with the Z direction of the longitudinal beam so as to be beneficial to leveling the Z direction of the floor frame structure.
6. The floor frame structure of claim 1, wherein the beam mounting bracket comprises a beam mounting front side mounting bracket and a beam mounting rear side mounting bracket, the beam mounting rear side mounting bracket is arranged on the outer side of the Y-direction adjacent longitudinal beam of the third integrated cross beam, the beam mounting rear side mounting bracket is a groove body with a Z-direction opening, and a welding positioning hole is formed in the bottom of the groove body so as to weld a floor and side wall assembly of a truck.
7. The floor frame structure of claim 1, wherein the top of the trough wall of the integrated beam is provided with a notch, and the bottom and the trough wall are provided with a plurality of first mounting holes, so as to facilitate the improvement of the universality of the integrated beam and the expansion of the integrated beam in X-direction translation.
8. The floor frame structure of claim 1, wherein the side walls and bottom of the longitudinal beams are provided with a plurality of functional holes for connecting chassis members of a truck, and the arrangement of the supporting frame and the integrated cross beam does not shield the functional holes to reduce the influence on the connecting function of the floor frame structure.
9. The floor frame structure of claim 1, further comprising a rear wall integrated cross beam assembly, wherein the rear wall integrated cross beam assembly is connected with one end of the longitudinal beam far away from the first integrated cross beam, an X-direction installation interface is arranged at a position of the rear wall integrated cross beam assembly, which is aligned with the left and right longitudinal beams in the X direction, first positioning holes are further formed in the left and right ends of the rear wall integrated cross beam assembly, and a second positioning hole is formed in the top of the rear wall integrated cross beam assembly, so that welding of an upper vehicle body is facilitated.
10. A truck comprising the floor frame structure according to any one of claims 1 to 9, the floor frame structure being disposed at a rear end of a floor frame of the truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385406.7A CN115649285A (en) | 2022-11-07 | 2022-11-07 | Floor frame structure for truck and truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385406.7A CN115649285A (en) | 2022-11-07 | 2022-11-07 | Floor frame structure for truck and truck |
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| Publication Number | Publication Date |
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| CN115649285A true CN115649285A (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211385406.7A Pending CN115649285A (en) | 2022-11-07 | 2022-11-07 | Floor frame structure for truck and truck |
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| CN110696924A (en) * | 2019-11-14 | 2020-01-17 | 扬州中集通华专用车有限公司 | Semitrailer and frame assembly thereof |
| DE102019006444A1 (en) * | 2019-09-12 | 2020-03-12 | Daimler Ag | Modular support frame for a commercial vehicle, in particular trucks, and commercial vehicle, in particular trucks |
| CN112429082A (en) * | 2020-10-28 | 2021-03-02 | 东风越野车有限公司 | Variable-axle-distance multi-axle off-road vehicle frame structure |
| CN114750839A (en) * | 2022-05-09 | 2022-07-15 | 一汽解放汽车有限公司 | Body-in-white and commercial vehicle |
| CN115257929A (en) * | 2022-08-01 | 2022-11-01 | 中国重汽集团济南动力有限公司 | Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998008728A1 (en) * | 1996-08-30 | 1998-03-05 | Scania Cv Aktiebolag (Publ) | Vehicle chassis |
| CN110550108A (en) * | 2019-07-26 | 2019-12-10 | 浙江飞碟汽车制造有限公司 | Underbody structure for a load-bearing vehicle body |
| DE102019006444A1 (en) * | 2019-09-12 | 2020-03-12 | Daimler Ag | Modular support frame for a commercial vehicle, in particular trucks, and commercial vehicle, in particular trucks |
| CN110696924A (en) * | 2019-11-14 | 2020-01-17 | 扬州中集通华专用车有限公司 | Semitrailer and frame assembly thereof |
| CN112429082A (en) * | 2020-10-28 | 2021-03-02 | 东风越野车有限公司 | Variable-axle-distance multi-axle off-road vehicle frame structure |
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| CN115257929A (en) * | 2022-08-01 | 2022-11-01 | 中国重汽集团济南动力有限公司 | Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure |
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