CN214112707U - Floor longitudinal beam reinforcing plate and commercial vehicle - Google Patents

Abstract

The utility model provides a floor longitudinal beam reinforcing plate and a commercial vehicle, wherein the floor longitudinal beam reinforcing plate comprises a rear suspension reinforcing plate, a floor front section and a floor rear section which are arranged in a split manner, and the rear suspension reinforcing plate has a first position state and a second position state; when the rear suspension reinforcing plate is in the first position state, the rear suspension reinforcing plate is used for connecting the whole section with the front section of the floor; when the rear suspension reinforcing plate is located at the second position state, one part of the rear suspension reinforcing plate is connected with the front floor section, and the other part of the rear suspension reinforcing plate is connected with the rear floor section. The utility model provides a drilling and workover equipment carries out the components of a whole that can function independently setting with floor anterior segment and floor back end for each equipment part of floor longeron reinforcing plate can utilize in earlier stage to process with the mould of organizing, and change the length of floor longeron reinforcing plate through getting or not installation floor back end when the equipment of later stage, in order to compromise the mutual commonality of long automobile body and short automobile body simultaneously, thereby reached low cost, high efficiency and practiced thrift the purpose in production place.

Description

Floor longitudinal beam reinforcing plate and commercial vehicle

Technical Field

The utility model relates to the field of automotive technology, particularly, relate to a floor longeron reinforcing plate and commercial car.

Background

Commercial vehicles are vehicles for transporting people and goods, and are classified into passenger cars, freight cars, semi-trailer tractors, and the like. Because the automobile body length of commercial car differs, in the design process of commercial car automobile body floor longeron reinforcing plate, need design the floor longeron reinforcing plate of long style automobile body and short style automobile body respectively, development cost is big.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be the floor longeron reinforcing plate of commercial car not of same length, development cost is big.

In order to solve at least one aspect of the above problems, the present invention provides a floor stringer stiffener, including a rear suspension stiffener, a floor front section and a floor rear section, which are separately disposed, wherein the rear suspension stiffener has a first position state and a second position state; when the rear suspension reinforcing plate is positioned in the first position state, the rear suspension reinforcing plate is used for connecting the whole section with the front section of the floor; when the rear suspension reinforcing plate is located at the second position, one part of the rear suspension reinforcing plate is connected with the front floor section, and the other part of the rear suspension reinforcing plate is connected with the rear floor section.

Compared with the prior art, the utility model provides a drilling and workover equipment carries out the components of a whole that can function independently setting with floor anterior segment and floor back end for each equipment part of floor longeron reinforcing plate can utilize in earlier stage to process with organizing the mould, and change the length of floor longeron reinforcing plate through getting or not installation floor back end when the equipment of later stage, with compromise the mutual commonality of long automobile body and short automobile body simultaneously, thereby reached low cost, high efficiency and practiced thrift the purpose in production place.

Preferably, the rear suspension reinforcing plate is located in the second position state, and the rear end of the front floor section and the front end of the rear floor section are connected through spot welding.

Compared with the prior art, the utility model provides a well drilling and repairing equipment, when the floor longeron reinforcing plate equipment of rectangular, floor anterior segment and floor back end adopt the mode of spot welding to connect, easy operation, processing is reliable for floor back end ability firm connection is in the floor anterior segment.

Preferably, the floor anterior segment with the floor back end all be equipped with back suspension reinforcing plate complex cavity, the left and right sides of the lower extreme of back suspension reinforcing plate with the both sides wall of cavity all leaves the clearance, the left and right sides of the upper end of back suspension reinforcing plate with the both sides wall of cavity all laminates the setting.

Compared with the prior art, the utility model provides a drilling and workover equipment designs the concrete structure of back suspension reinforcing plate, and will back suspension reinforcing plate and install the cavity of floor anterior segment and floor back end, can control the part resilience when making the punching press like this on the one hand, guarantees the precision of each part of floor longeron reinforcing plate, and on the other hand has guaranteed welding and workman operation convenience, and the electrophoresis liquid can pass through fast when the application once more, guarantees the electrophoresis effect.

Preferably, the rear suspension reinforcing plate is located in the first position state, and the left side and the right side of the whole section of the rear suspension reinforcing plate are connected with the front section of the floor in a welding manner; when the rear suspension reinforcing plate is located in the second position state, the left side and the right side of one part of the rear suspension reinforcing plate are in welded connection with the front floor section, and the left side and the right side of the other part of the rear suspension reinforcing plate are in welded connection with the rear floor section.

Compared with the prior art, the drilling and repairing well equipment of the utility model welds the rear suspension reinforcing plate with the front floor section and the rear floor section, thereby realizing the purpose of reinforcing the overall strength of the longitudinal floor beam reinforcing plate; and the long floor longitudinal beam reinforcing plate moves the rear suspension reinforcing plate forwards for a certain distance, and the rear section of the floor is abandoned, so that the welding position of the short floor longitudinal beam reinforcing plate can be obtained, the common use of the clamp during welding is realized, and the development cost is saved.

Preferably, the front section of the floor is connected with a front suspension reinforcing plate, and the front suspension reinforcing plate is arranged at the front part of the side edge of the front section of the floor.

Compared with the prior art, the utility model provides a drilling and workover equipment adds the front suspension reinforcing plate on the floor anterior segment, can strengthen the intensity of the anterior position of floor longeron reinforcing plate.

Preferably, the front section of the floor is connected with a reinforcing plate of a lifting device, and the reinforcing plate of the lifting device is arranged in the middle of the side edge of the front section of the floor.

Compared with the prior art, the drilling and workover equipment has the advantages that the lifting device reinforcing plate is additionally arranged on the front section of the floor, so that the strength of the part, corresponding to the lifting device, on the floor longitudinal beam reinforcing plate can be enhanced; and the reinforcing plate structure of the lifting device has strong universality, and can be subsequently and simultaneously applied to long and short left/right floor longitudinal beam reinforcing plates only by arranging the same set of mold during mold opening in the early stage, so that the development cost is saved.

Preferably, the front floor section comprises a left front floor section and a right front floor section, and the rear floor section comprises a left rear floor section and a right rear floor section; the front left floor section, the rear left floor section and the rear suspension reinforcing plate are mutually matched to form a long left floor longitudinal beam reinforcing plate, and the front right floor section, the rear right floor section and the rear suspension reinforcing plate are mutually matched to form a long right floor longitudinal beam reinforcing plate; the left floor anterior segment with the back suspension reinforcing plate is mutually supported and is formed short left floor longeron reinforcing plate, the right floor anterior segment with the back suspension reinforcing plate is mutually supported and is formed short right floor longeron reinforcing plate.

Compared with the prior art, the utility model provides a drilling and workover equipment, the commonality of back suspension reinforcing plate part is strong, only needs to set up same cover mould when the die sinking of earlier stage just can realize follow-up being applied to on long, short left/right floor longeron reinforcing plate simultaneously, has practiced thrift development cost.

Preferably, the floor system further comprises a rear suspended nut plate having a plurality of screw holes, the rear suspended reinforcement plate being stacked between the rear suspended nut plate and the floor front section.

Compared with the prior art, the utility model provides a drilling and workover equipment adds the back suspension nut plate for the back suspension reinforcing plate is connected in the floor anterior segment more firmly reliably.

Preferably, the rear suspended nut plate has a fixed position relative to the front floor section, the rear suspended reinforcement plate is provided with a first set of screw holes and a second set of screw holes, and the screw holes of the rear suspended nut plate are alternatively matched with the first set of screw holes or the second set of screw holes to realize the first position state or the second position state of the rear suspended reinforcement plate.

Compared with the prior art, the utility model provides a drilling and workover equipment sets up two sets of screw holes on rear suspension reinforcing plate, can guarantee that rear suspension reinforcing plate firm connection is on the floor anterior segment, can realize again the floor longeron reinforcing plate general of long, short money, and its simple structure realizes conveniently.

Secondly, a commercial vehicle is provided, which comprises the floor longitudinal beam reinforcing plate.

Compared with the prior art, the commercial vehicle has the same advantages as the floor longitudinal beam reinforcing plate in the prior art, and the description is omitted.

Drawings

FIG. 1 is a schematic diagram of a long left/right floor stringer stiffener according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of a short left/right floor stringer stiffener according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3;

fig. 6 is an enlarged view of a portion D in fig. 5.

Description of reference numerals:

10-floor front section, 101-left floor front section, 102-right floor front section, 20-floor rear section, 201-left floor rear section, 202-right floor rear section, 30-rear suspension stiffener, 301-first set of screw holes, 302-second set of screw holes, 40-rear suspension nut plate, 401-screw holes, 50-front suspension stiffener, 501-left front suspension stiffener, 502-right front suspension stiffener, 60-lifting device stiffener, 70-long left floor stringer stiffener, 80-long right floor stringer stiffener, 90-short left floor stringer stiffener, 100-short right floor stringer stiffener.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the words "a," "an," or "the" and similar referents in the specification and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item preceding the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. The utility model discloses a be provided with coordinate system XYZ in the drawing of embodiment, wherein the forward of X axle represents the left, and the reverse of X axle represents right-hand, and the forward of Y axle represents the place ahead, and the reverse rear that represents of Y axle, and the forward of Z axle represents the top, and the reverse below that represents of Z axle.

Furthermore, in the description of the present invention, it should be noted that the terms "first" and "second" mentioned in the embodiments of the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

In order to reduce the development cost investment and simultaneously give consideration to the universality of long-type vehicle bodies and short-type vehicle bodies, the floor longitudinal beam reinforcing plate needs to be reasonably designed, and the purposes of low cost, high efficiency and production field saving are achieved.

Therefore, the embodiment of the present invention provides a floor longitudinal beam reinforcing plate, which is shown in fig. 1 and fig. 3, and includes a rear suspension reinforcing plate 30, a floor front section 10 and a floor rear section 20 that are separately arranged, where the rear suspension reinforcing plate 30 has a first position state and a second position state; when the rear suspension strengthening plate 30 is in the first position state, the rear suspension strengthening plate 30 is used for connecting with the front floor section 10 in a whole section; when the rear suspension enhancing plate 30 is located at the second position, the rear suspension enhancing plate 30 is used to connect a portion of the rear suspension enhancing plate 30 with the front floor section 10 and another portion of the rear suspension enhancing plate 30 with the rear floor section 20.

The rear suspension reinforcing plate 30, the front floor section 10 and the rear floor section 20 are respectively formed by processing different dies, so that the floor longitudinal beam reinforcing plates of the short-range vehicle body and the long-range vehicle body of the commercial vehicle can be assembled and used in the following process. Specifically, when the rear suspension reinforcing plate 30 is in the first position, that is, the floor side rail reinforcing plate is used for a short car body, the rear floor section 20 is used for housing, and only the front floor section 10 is used; when the rear suspension reinforcing plate 30 is located in the second position state, that is, the floor longitudinal beam reinforcing plate is used for a long vehicle body, at this time, the front floor section 10 and the rear floor section 20 are all utilized, so that the rear suspension reinforcing plate 30, the front floor section 10 and the rear floor section 20 are machined by using the same set of dies in the early stage, and the floor longitudinal beam reinforcing plate of the long vehicle body and the floor longitudinal beam reinforcing plate of the short vehicle body are universal by accepting or rejecting the rear floor section 20 in the subsequent assembly and machining.

The whole section of the rear suspension reinforcing plate 30 is connected with the front floor section 10, namely the whole length of the rear suspension reinforcing plate 30 in the front-rear direction is connected with the front floor section 10, and the rear suspension reinforcing plate is used for a short-distance vehicle body, and the rear end of the rear suspension reinforcing plate 30 for the short-distance vehicle body is flush with the rear end of the front floor section 10, so that the rear suspension reinforcing plate 30 can reinforce the strength of the short-distance floor longitudinal beam reinforcing plate; one part of the rear suspension reinforcing plate 30 is connected with the front floor section 10, the other part is connected with the rear floor section 20, the rear suspension reinforcing plate 30 is divided into a front part and a rear part in the front-rear direction, the whole length in the front-rear direction of the front part is connected with the front floor section 10, the whole length in the front-rear direction of the rear part is connected with the rear floor section 20, the rear suspension reinforcing plate is used for a long vehicle body, the rearmost end of the rear suspension reinforcing plate 30 used for the long vehicle body is flush with the rear end of the rear floor section 20, and the rear suspension reinforcing plate 30 can reinforce the strength of the long floor longitudinal beam reinforcing plate.

The floor longeron reinforcing plate in this embodiment carries out the components of a whole that can function independently setting with floor anterior segment 10 and floor back end 20 for each equipment part of floor longeron reinforcing plate can utilize the mould of the same group to process in earlier stage, and change the length of floor longeron reinforcing plate through choosing or not installation floor back end 20 when the equipment of later stage, in order to compromise the mutual commonality of long style automobile body and short style automobile body simultaneously, thereby reached low cost, high efficiency and practiced thrift the purpose in production place.

Preferably, as shown in fig. 1, the rear suspension reinforcing plate 30 is located at the second position, and the rear end of the front floor section 10 and the front end of the rear floor section 20 are spot-welded to each other.

The floor longitudinal beam reinforcing plate is used as a reinforcing piece of a key part of a vehicle body, the material of the floor longitudinal beam reinforcing plate is preferably double-phase high-strength steel, the thickness of the double-phase high-strength steel is about 2mm, and spot welding is an efficient and economic connecting method and is particularly suitable for welding punched or rolled sheet lap joint components with the thickness of less than 3 mm; the welding part becomes overlap joint and compresses tightly between two electrodes during spot welding, and the heating time to the joining region is very short during spot welding, and welding speed is fast, and spot welding only consumes the electric energy, does not need filling material or solder flux, gas etc. easy operation, and mechanization, degree of automation are high, and productivity is high.

In the floor longitudinal beam reinforcing plate in the embodiment, when the long floor longitudinal beam reinforcing plate is assembled, the floor front section 10 and the floor rear section 20 are connected in a spot welding manner, the operation is simple, the processing is reliable, and the floor rear section 20 can be firmly connected to the floor front section 10.

Preferably, as shown in fig. 3, 5 and 6, the front floor section 10 and the rear floor section 20 are both provided with a cavity matched with the rear suspension reinforcing plate 30, gaps are left between the left and right sides of the lower end of the rear suspension reinforcing plate 30 and the two side walls of the cavity, and the left and right sides of the upper end of the rear suspension reinforcing plate 30 are attached to the two side walls of the cavity.

The rear suspension reinforcing plate 30 is of a U-shaped structure in the cross section perpendicular to the front-back direction, when a long floor longitudinal beam reinforcing plate is processed, the rear suspension reinforcing plate 30 needs to be installed in a cavity of the front floor section 10 and the rear floor section 20, the U-shaped structure is clamped into the cavity at the moment, a certain distance is reserved between the left side and the right side of the lower end of the U-shaped structure and the left inner side wall and the right inner side wall of the cavity at the moment, the distance at the interval is preferably 5.5mm, the clamping effect of the rear suspension reinforcing plate 30 in the cavity is optimal, the left side and the right side of the upper end of the U-shaped structure are attached to the left inner side wall and the right inner side wall of the cavity and welding operation is performed on the attaching positions, the rear suspension reinforcing plate 30 is firmly fixed on the front floor section 10 and the rear floor section 20, and the overall strength of the long floor longitudinal beam reinforcing plate is guaranteed; similarly, when processing the floor longeron reinforcing plate of short money, need install back suspension reinforcing plate 30 in the cavity of floor anterior segment 10, this kind of U type structure is blocked in the cavity this moment, this moment the left and right sides of the lower extreme of this kind of U type structure and the equal certain distance in two inside walls of the left and right sides of cavity, this spaced distance is preferred 5.5mm, make the chucking effect of back suspension reinforcing plate 30 in the cavity best, and the left and right sides of the upper end of this kind of U type structure and the laminating of two inside walls of the left and right sides of cavity set up and carry out welding operation to laminating department, make back suspension reinforcing plate 30 more firm fix on floor anterior segment 10, thereby guarantee the bulk strength of the floor longeron reinforcing plate of short money.

The floor longeron reinforcing plate in this embodiment, the concrete structure of suspension reinforcing plate 30 after the design, and install the cavity of floor anterior segment 10 and floor back end 20 with back suspension reinforcing plate 30, can control the part when making the punching press like this and kick-back, guarantee the precision of each part of floor longeron reinforcing plate, on the other hand has guaranteed welding and workman operation convenience, and the electrophoresis liquid can pass through fast when the application once more, guarantees the electrophoresis effect.

Preferably, as shown in fig. 1 and 3, the rear suspension reinforcing plate 30 is located in the first position state, and the left and right sides of the whole section of the rear suspension reinforcing plate 30 are welded to the front floor section 10; when the rear suspension reinforcing plate 30 is located at the second position, the left and right sides of one part of the rear suspension reinforcing plate 30 are welded to the front floor section 10, and the left and right sides of the other part of the rear suspension reinforcing plate 30 are welded to the rear floor section 20.

Wherein, rear suspension reinforcing plate 30 is type U type structure at the cross-section of perpendicular and fore-and-aft direction, the left and right sides of the upper end of type U type structure sets up and carries out welding operation to laminating department with the left and right sides inside wall laminating of cavity, make rear suspension reinforcing plate 30 more firm fix on floor anterior segment 10 and floor back end 20 when assembling long style floor longeron reinforcing plate and rear suspension reinforcing plate 30 more firm fix on floor anterior segment when assembling short style floor longeron reinforcing plate, thereby guarantee long style, short style floor longeron reinforcing plate's bulk strength.

In the floor longitudinal beam reinforcing plate in the embodiment, the rear suspension reinforcing plate 30 is welded with the front floor section 10 and the rear floor section 20, so that the purpose of reinforcing the overall strength of the floor longitudinal beam reinforcing plate is achieved; and the long floor longitudinal beam reinforcing plate moves the rear suspension reinforcing plate 30 forward for a certain distance, and the floor rear section 20 is abandoned, so that the short floor longitudinal beam reinforcing plate can be welded, the common use of the clamp is realized during welding, and the development cost is saved.

Preferably, as shown in fig. 1 and 3, a front suspension reinforcing plate 50 is connected to the front floor section 10, and the front suspension reinforcing plate 50 is disposed at the front side of the front floor section 10.

The floor longitudinal beam reinforcing plate comprises a left floor longitudinal beam reinforcing plate and a right floor longitudinal beam reinforcing plate, the front portion of the right side edge of the left floor longitudinal beam reinforcing plate is connected with a left front suspension reinforcing plate, and the front portion of the left side edge of the right floor longitudinal beam reinforcing plate is connected with a right front suspension reinforcing plate.

In the floor side member reinforcing plate of the present embodiment, the front suspension reinforcing plate 50 is additionally provided to the front floor section 10, and the strength of the front portion of the floor side member reinforcing plate can be enhanced.

Preferably, as shown in fig. 1 and 3, a lifting device reinforcing plate 60 is connected to the front floor section 10, and the lifting device reinforcing plate 60 is disposed in the middle of the side edge of the front floor section 10.

Wherein, the middle part of the right side of left floor longeron reinforcing plate is connected with lifting device reinforcing plate 60, and the middle part of the left side of right floor longeron reinforcing plate is connected with lifting device reinforcing plate 60, and lifting device reinforcing plate 60 is the structure of rectangular shape, is applicable to long style, short left/right floor longeron reinforcing plate.

In the floor longitudinal beam reinforcing plate in the embodiment, the lifting device reinforcing plate 60 is additionally arranged on the front section 10 of the floor, so that the strength of the part, corresponding to the lifting device, on the floor longitudinal beam reinforcing plate can be enhanced; and the reinforcing plate 60 of the lifting device has strong structural universality, and can be subsequently and simultaneously applied to long and short left/right floor longitudinal beam reinforcing plates only by arranging the same set of mold during mold opening in the early stage, so that the development cost is saved.

Preferably, as shown in fig. 1 and 3, the front floor section 10 includes a left front floor section 101 and a right front floor section 102, and the rear floor section 20 includes a left rear floor section 201 and a right rear floor section 202; the left front floor section 101, the left rear floor section 201 and the rear suspension reinforcing plate 30 are mutually matched to form a long left floor stringer reinforcing plate 70, and the right front floor section 102, the right rear floor section 202 and the rear suspension reinforcing plate 30 are mutually matched to form a long right floor stringer reinforcing plate 80; the left front floor section 101 and the rear suspension reinforcing plate 30 are mutually matched to form a short left floor longitudinal beam reinforcing plate 90, and the right front floor section 102 and the rear suspension reinforcing plate 30 are mutually matched to form a short right floor longitudinal beam reinforcing plate 100.

The rear suspension reinforcing plate 30 is a bilaterally symmetric strip-shaped structure, is suitable for long and short left/right floor longitudinal beam reinforcing plates, and is strong in universality.

The floor longitudinal beam reinforcing plate in the embodiment has strong universality of the rear suspension reinforcing plate 30 component, and can be subsequently and simultaneously applied to long and short left/right floor longitudinal beam reinforcing plates only by arranging the same set of die during mold opening in the early stage, so that the development cost is saved.

Preferably, as shown in fig. 1 to 4, a rear suspended nut plate 40 having a plurality of screw holes 401 is further included, and the rear suspended reinforcement plate 30 is stacked between the rear suspended nut plate 40 and the front floor section 10.

The rear suspension nut plate 40 is of a bilaterally symmetrical strip-shaped structure, is suitable for long and short left/right floor longitudinal beam reinforcing plates, and is strong in universality; the rear suspension nut plate 40 is provided with a screw hole 401, and the rear suspension nut plate 40, the rear suspension reinforcing plate 30 and the floor front section 10 can be fixed to each other by screws.

In the floor stringer reinforcing plate of the present embodiment, the rear suspension nut plate 40 is additionally provided, so that the rear suspension reinforcing plate 30 is more firmly and reliably connected to the front floor section 10.

Preferably, as shown in fig. 1 to 4, the rear suspension nut plate 40 has a fixed position relative to the front floor section 10, the rear suspension reinforcement plate 30 is provided with a first set of screw holes 301 and a second set of screw holes 302, and the screw holes 401 of the rear suspension nut plate 40 are alternatively matched with the first set of screw holes 301 or the second set of screw holes 302 to realize the first position state or the second position state of the rear suspension reinforcement plate 30.

When the long floor stringer reinforcing plate is assembled, the screw holes 401 of the rear suspension nut plate 40 are matched with the second group of screw holes 302, when the short floor stringer reinforcing plate is assembled, the rear suspension reinforcing plate 30 moves forwards for a certain distance, and at the moment, the screw holes 401 of the rear suspension nut plate 40 are matched with the first group of screw holes 301.

The floor longeron reinforcing plate in this embodiment sets up two sets of screw holes on rear suspension reinforcing plate 30, can guarantee that rear suspension reinforcing plate 30 firm connection is on floor anterior segment 10, can realize again the general of long, short floor longeron reinforcing plate, and its simple structure realizes the convenience.

The embodiment of the utility model provides a still provide a commercial car, include as above floor longitudinal stiffener.

The commercial car in this embodiment carries out the components of a whole that can function independently setting with floor anterior segment 10 and floor back end 20 for each equipment part of floor longeron reinforcing plate can utilize the mould of the same group to process earlier stage, and change the length of floor longeron reinforcing plate through choosing or not installation floor back end 20 when the equipment of later stage, in order to compromise the mutual commonality of long automobile body and short automobile body simultaneously, thereby reached low cost, high efficiency and practiced thrift the purpose in production place.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The floor longitudinal beam reinforcing plate is characterized by comprising a rear suspension reinforcing plate (30), a floor front section (10) and a floor rear section (20) which are arranged in a split mode, wherein the rear suspension reinforcing plate (30) has a first position state and a second position state; when the rear suspension strengthening plate (30) is in the first position state, the rear suspension strengthening plate (30) is used for being connected with the front floor section (10) in a whole section; when the rear suspension strengthening plate (30) is in the second position state, the rear suspension strengthening plate (30) is used for connecting one part with the front floor section (10) and connecting the other part with the rear floor section (20).

2. Floor stringer reinforcing plate according to claim 1, wherein said rear suspension reinforcing plate (30) is in said second position, the rear end of said front floor section (10) and the front end of said rear floor section (20) being spot welded to each other.

3. The floor stringer reinforcing plate according to claim 1, wherein the front floor section (10) and the rear floor section (20) are each provided with a cavity which is matched with the rear suspension reinforcing plate (30), the left and right sides of the lower end of the rear suspension reinforcing plate (30) are spaced from the two side walls of the cavity, and the left and right sides of the upper end of the rear suspension reinforcing plate (30) are attached to the two side walls of the cavity.

4. The floor rail reinforcement panel of claim 1, characterized in that the rear suspension reinforcement panel (30) is in the first position state, and the left and right sides of the entire section of the rear suspension reinforcement panel (30) are welded to the front floor section (10); when the rear suspension reinforcing plate (30) is located in the second position state, the left side and the right side of one part of the rear suspension reinforcing plate (30) are in welded connection with the front floor section (10), and the left side and the right side of the other part of the rear suspension reinforcing plate are in welded connection with the rear floor section (20).

5. Floor stringer reinforcing plate according to claim 1, wherein a front suspension reinforcing plate (50) is connected to the front floor section (10), said front suspension reinforcing plate (50) being provided at the front side of the front floor section (10).

6. The floor stringer reinforcing plate of claim 1 wherein a lifting device reinforcing plate (60) is attached to said front floor section (10), said lifting device reinforcing plate (60) being disposed in the middle of the side edges of said front floor section (10).

7. The floor stringer reinforcing plate of claim 1 wherein said floor front section (10) comprises a left floor front section (101) and a right floor front section (102), and said floor rear section (20) comprises a left floor rear section (201) and a right floor rear section (202); the left floor front section (101), the left floor rear section (201) and the rear suspension reinforcing plate (30) are matched with each other to form a long left floor longitudinal beam reinforcing plate (70), and the right floor front section (102), the right floor rear section (202) and the rear suspension reinforcing plate (30) are matched with each other to form a long right floor longitudinal beam reinforcing plate (80); left side floor anterior segment (101) with back suspension reinforcing plate (30) mutually support and form short left floor longeron reinforcing plate (90), right side floor anterior segment (102) with back suspension reinforcing plate (30) mutually support and form short right floor longeron reinforcing plate (100).

8. The floor rail reinforcement plate of any of claims 1-7, further comprising a rear suspended nut plate (40) having a plurality of screw holes (401), the rear suspended reinforcement plate (30) being stacked between the rear suspended nut plate (40) and the front floor section (10).

9. The floor rail reinforcement plate of claim 8, characterized in that the rear suspended nut plate (40) has a fixed position relative to the floor front section (10), the rear suspended reinforcement plate (30) being provided with a first set of screw holes (301) and a second set of screw holes (302), the screw holes (401) of the rear suspended nut plate (40) mating alternatively with the first set of screw holes (301) or the second set of screw holes (302) to achieve the rear suspended reinforcement plate (30) in the first or second position.

10. A commercial vehicle comprising a floor rail reinforcement panel as claimed in any one of claims 1 to 9.

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