CN213292436U - Novel shock wave resistant frame type body in white - Google Patents

Abstract

The utility model discloses a novel white automobile body of shock wave resistant frame-type, belong to the vehicle technology field, enclose frame and top cap frame constitute by yield strength more than or equal to 700 MPa's side pipe after white automobile body, and enclose frame and top cap frame attach after and be formed with the big gun muzzle and fall to adorn groove frame, the position that the corresponding big gun muzzle of top cap planking falls to adorn groove frame is equipped with the breach, novel white automobile body of shock wave resistant frame-type still includes recessed groove type platelike structure and second additional strengthening, recessed groove type platelike structure connects in the top cap planking, after enclose planking and big gun muzzle and fall to adorn groove frame, and form the big gun muzzle and fall to adorn the recess, recessed groove type platelike structure and top cap planking and after enclose planking junction all be provided with the second additional strengthening, the top cap planking, after enclose, second additional strengthening and left. The structure is safe and reliable, can resist the blast hole shock wave and destroy, and the weight is lighter, can promote the mobility of vehicle.

Description

Novel shock wave resistant frame type body in white

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a novel shock wave resistant frame-type body in white.

Background

At present, a crawler-type or wheel-type armored vehicle is mostly used as a large-caliber artillery carrier maneuvering platform in China. The cab of the crawler-type or wheel-type armored vehicle adopts a bulletproof steel plate skin, has good shock wave resistance and cross-country performance, can adapt to complex road conditions, but has heavy weight and poor maneuvering performance.

Therefore, a new blast-resistant frame-type body in white that is lightweight, resistant to blast-hole blast damage, and safe for the occupants is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel white automobile body of shock wave resistant frame-type realizes alleviateing the weight of white automobile body and improving the structural strength of white automobile body, can keep the structural integrity under muzzle shock wave malleation, negative pressure alternating load effect.

As the conception, the utility model adopts the technical proposal that:

a novel shock wave resistant frame type white car body comprises a lower car body assembly, a front wall assembly and a rear wall outer plate which are respectively arranged at the front side and the rear side of the lower car body assembly, a left side wall assembly and a right side wall assembly which are respectively arranged at the left side and the right side of the lower car body assembly and a top cover assembly arranged at the top of the lower car body assembly, wherein the lower car body assembly comprises a lower car body and a rear wall frame arranged at the rear side of the lower car body, the rear wall outer plate is connected with the rear wall frame, the top cover assembly comprises a top cover frame and a top cover outer plate which are connected, the top cover frame is connected with the rear wall frame, the top cover outer plate is connected with the rear wall outer plate, the left side wall assembly comprises a left side wall frame assembly and a left side wall outer plate assembly which are connected, the left side wall frame assembly is connected with the lower car body, the rear, the left side wall outer plate assembly is connected to the top cover outer plate and the rear wall outer plate, and first reinforcing structures are arranged at the joints of the rear wall outer plate and the left side wall outer plate assembly and the joints of the rear wall outer plate and the right side wall assembly;

enclose the frame after with the top cap frame constitutes by yield strength more than or equal to 700 MPa's square pipe, just enclose the frame after with top cap frame attach and is formed with the muzzle and fall to adorn the recess frame, the top cap planking corresponds the position that the muzzle falls to adorn the recess frame is equipped with the breach, novel shock wave resistant frame formula white automobile body still includes fluted body platelike structure, fluted body platelike structure connect in the top cap planking after enclose the planking with the muzzle falls to adorn the recess frame to form the muzzle and fall to adorn the recess, fluted body platelike structure with the top cap planking with enclose the planking junction after all be provided with the second additional strengthening, the top cap planking after enclose the planking the second additional strengthening with left side wall planking assembly is made by yield strength more than or equal to 500 MPa's steel sheet.

Further, enclose frame after include along two first roof beams that left right direction extends and the interval sets up, connect respectively in two first roof beam and all follow two second roof beams that vertical direction extends and connect in two between the second roof beam and along the third roof beam that left right direction extends, every first roof beam with be connected with a plurality of fourth roof beams that extend along vertical direction between the third roof beam, adjacent two between the fourth roof beam and every second roof beam and adjacent all be connected with the fifth roof beam that extends along left right direction between the fourth roof beam, every first roof beam and corresponding be connected with first frame between the second roof beam, first frame is formed by a plurality of first vertical roof beams that extend along vertical direction and a plurality of first left right beams that extend along left right direction connect.

Further, the first frame further comprises a plurality of first reinforcing beams and a plurality of second reinforcing beams, each of the first reinforcing beams being connected between one of the first vertical beams and one of the first left and right beams; each of the second reinforcement beams is connected between one of the first left and right beams and the left side enclosure frame assembly; or between one of the first left and right beams and the right skirt assembly.

Further, the top cover frame comprises an outer frame and a second frame, the outer frame comprises two sixth beams extending along the front-back direction, a seventh beam extending along the left-right direction, and two eighth beams extending along the left-right direction, the seventh beam is connected between the two sixth beams, and the two eighth beams are respectively connected with the two sixth beams with a gap therebetween; the second frame comprises a ninth beam connected between the two sixth beams, a plurality of tenth beams are connected between the ninth beam and the seventh beam, an eleventh beam is connected between each eighth beam and the ninth beam, a twelfth beam is connected between the two eleventh beams, and a thirteenth beam is connected between one end of each eighth beam, which is far away from the other eighth beam, and the twelfth beam.

Further, the roof frame further comprises a third frame located below the second frame, the third frame comprises a plurality of second vertical beams connected to the twelfth beam, a third vertical beam connected to one of the thirteenth beams, a fourth vertical beam connected to the other thirteenth beam, first front and rear beams connected to the second vertical beam and the third vertical beam, second front and rear beams connected to the second vertical beam and the fourth vertical beam, and a plurality of second left and right beams connected between the first front and rear beams and the second front and rear beams, the first front and rear beams and the second front and rear beams are both connected to the rear enclosure frame, and the third frame and the rear enclosure frame are connected to form the muzzle drop mount groove frame.

Further, a plurality of fourteenth beams are connected between each sixth beam and the corresponding eleventh beam.

Further, the roof frame further includes a third reinforcing beam, and the third reinforcing beam is connected between the seventh beam and the tenth beam, between the ninth beam and the eleventh beam, between the eleventh beam and the fourteenth beam, and between the eleventh beam and the twelfth beam.

Further, the lower vehicle body comprises a lower vehicle body frame, a floor assembly arranged on the lower vehicle body frame and a front wall inner plate assembly arranged on the front side of the lower vehicle body frame, and the rear wall frame is arranged on the rear side of the lower vehicle body frame.

Further, the floor assembly comprises a middle channel panel, the middle channel panel comprises a first panel, a second panel and a third panel which are sequentially connected, a cavity avoiding an engine is formed among the first panel, the second panel and the third panel, and the middle channel panel is made of a steel plate with the yield strength of more than or equal to 500 MPa.

The utility model has the advantages that:

the utility model provides a novel shock wave resistant frame type white automobile body, enclose frame and top cap frame after and constitute by yield strength more than or equal to 700 MPa's side pipe, and enclose frame and top cap frame attach after and be formed with the big gun muzzle and fall to adorn groove frame, recess type platelike structure connects and falls to adorn groove frame in the big gun muzzle, enclose the top cap after and enclose the planking after, and recess type platelike structure all is provided with the second additional strengthening with the junction that encloses the top cap after with, the planking assembly is enclosed in the left side, enclose the top cap after, enclose planking and recess type platelike structure and second additional strengthening after and make by yield strength more than or equal to 500 MPa's steel sheet, enclose the planking after and the junction that the assembly was enclosed on left side and right side all is provided with first additional strengthening, structure safe and reliable, can resist the destruction of big gun muzzle shock wave, and light in.

Drawings

Fig. 1 is a schematic structural diagram of a novel shock wave resistant frame type body in white provided by the present invention;

FIG. 2 is a schematic structural view of a lower body assembly provided by the present invention;

fig. 3 is a schematic structural view of the rear wall frame provided by the present invention;

fig. 4 is a schematic structural diagram of a top cover frame provided by the present invention;

FIG. 5 is a schematic view of the connection between the back frame and the top frame of the present invention;

fig. 6 is a schematic view of the connection between the back wall outer plate and the top cover outer plate of the present invention.

In the figure:

1. a lower body assembly; 11. a lower body frame; 12. a floor assembly; 13. the front wall inner plate assembly; 14. a back frame; 141. a first beam; 142. a second beam; 143. a third beam; 144. a fourth beam; 145. a fifth beam; 146. a first frame; 1461. a first vertical beam; 1462. a first left and right beam; 1463. a first reinforcement beam; 1464. a second reinforcement beam;

2. a front wall assembly; 21. a front wall outer plate assembly; 22. a front windshield frame outer plate assembly; 23. a front windshield frame assembly;

3. a rear wall outer plate;

4. a left side enclosure assembly; 41. a left side enclosure frame assembly; 42. a left side wall outer plate assembly;

5. a right side wall assembly; 51. a right side enclosure frame assembly; 52. a right side wall outer plate assembly;

6. a top cover assembly; 61. a top cover frame; 611. a sixth beam; 612. a seventh beam; 613. an eighth beam; 614. a ninth beam; 615. a tenth beam; 616. an eleventh beam; 617. a twelfth beam; 618. a thirteenth beam; 619. a fourteenth beam; 620. a third reinforcing beam; 621. a second vertical beam; 622. a third vertical beam; 623. a fourth vertical beam; 624. a first front-rear beam; 625. a second front-rear beam; 626. a second left and right beam; 62. a top cover outer plate;

7. a first reinforcing structure; 8. a second reinforcing structure; 9. a draw bead;

10. a groove frame is arranged at the muzzle; 20. a groove-shaped plate structure.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 6, the present embodiment provides a novel shock wave resistant frame-type body-in-white, which includes a lower body assembly 1, a first reinforcing structure 7, a front wall assembly 2 and a rear wall outer plate 3 respectively disposed at the front and rear sides of the lower body assembly 1, a left side wall assembly 4 and a right side wall assembly 5 respectively disposed at the left and right sides of the lower body assembly 1, and a top cover assembly 6 disposed at the top of the lower body assembly 1. The lower body assembly 1 includes a lower body and a rear wall frame 14 disposed at the rear side of the lower body, and the rear wall frame 14 is connected to the rear wall outer panel 3. The roof assembly 6 comprises a roof frame 61 and a roof outer panel 62 which are connected, wherein the roof frame 61 is connected to the back frame 14, and the roof outer panel 62 is connected to the back outer panel 3. The left side encloses assembly 4 and encloses planking assembly 42 including the left side that connects and enclose frame assembly 41 and left side, and the left side encloses frame assembly 41 and connects in lower automobile body, after enclose frame 14 and top cap frame 61, and the left side encloses planking assembly 42 and connects in top cap planking 62 and after enclose planking 3, encloses planking 3 and the left side after enclose and enclose the planking assembly 42, after enclose the planking 3 and the right side and enclose the junction of assembly 5 and all be provided with first additional strengthening 7.

The rear surrounding frame 14 and the top cover frame 61 are both formed by square pipes with the yield strength of more than or equal to 700MPa, the rear surrounding frame 14 and the top cover frame 61 are connected to form a muzzle dropping groove frame 10, and a gap is formed in the position, corresponding to the muzzle dropping groove frame 10, of the top cover outer plate 62. This novel shock wave resistant frame-type white automobile body still includes recess type platelike structure 20 and second additional strengthening 8, recess type platelike structure 20 is connected in top cap planking 62, enclose planking 3 and the muzzle and fall dress groove frame 10 after, and be formed with the muzzle and fall dress recess, recess type platelike structure 20 all is provided with second additional strengthening 8 with top cap planking 62 and the junction that encloses planking 3 after with, top cap planking 62, enclose planking 3 after, second additional strengthening 8, the left side is enclosed planking assembly 42 and recess type platelike structure 20 and is made by the steel sheet that yield strength is greater than 500 MPa. Preferably, in the present embodiment, the roof outer panel 62 is made of a steel plate with a thickness of 1.5mm, and the rear wall outer panel 3, the second reinforcing structure 8, the left side wall outer panel assembly 42 and the channel plate-shaped structure 20 are all made of a steel plate with a thickness of 2 mm.

Further, a plurality of draw beads 9 are arranged on the outer sides of the top cover outer plate 62 and the rear wall outer plate 3. Preferably, the draw bead 9 is formed by drawing, which is beneficial to improving the rigidity of the roof outer plate 62 and the rear wall outer plate 3, and can not generate obvious plastic deformation under the action of shock wave.

Further, as shown in fig. 1 and 2, the cowl assembly 2 includes a cowl outer panel assembly 21, a front windshield outer panel assembly 22, and a front windshield frame assembly 23, and the cowl outer panel assembly 22 is connected to the front windshield frame assembly 23. The lower body comprises a lower body frame 11, a floor assembly 12 arranged on the lower body frame 11 and a front wall inner plate assembly 13 arranged on the front side of the lower body frame 11, and the rear wall frame 14 is arranged on the rear side of the lower body frame 11. The cowl outer panel assembly 21 is detachably connected to the cowl inner panel assembly 13, the cowl inner panel assembly 13 is connected to the left-side surrounding frame assembly 41, the cowl outer panel assembly 21 is connected to the left-side surrounding outer panel assembly 42, and the front windshield frame assembly 23 is connected to the cowl inner panel assembly 13, the roof frame 61, and the left-side surrounding frame assembly 41. The floor assembly 12 comprises a middle channel panel, the middle channel panel comprises a first panel, a second panel and a third panel which are sequentially connected, a cavity avoiding the engine is formed among the first panel, the second panel and the third panel, and the middle channel panel is made of a steel plate with the yield strength of more than or equal to 500 MPa. Preferably, in this embodiment, the first panel, the second panel and the third panel forming the middle channel panel are integrally formed by bending, and in other embodiments, the first panel, the second panel and the third panel may be separately provided.

In addition, the right side wall assembly 5 includes a right side wall frame assembly 51 and a right side wall outer plate assembly 52 which are connected, the right side wall frame assembly 51 is connected to the roof frame 61, the rear wall frame 14, the front windshield frame assembly 23 and the cowl inner plate assembly 13, and the right side wall outer plate assembly 52 is connected to the rear wall outer plate 3, the roof outer plate 62 and the cowl outer plate assembly 21. The first reinforcing structure 7 is arranged at the joint of the right side wall outer plate assembly 52 and the rear wall outer plate 3.

In the present embodiment, the cowl outer panel assembly 21 is made of a common steel plate. The front wall outer plate assembly 21 is connected to the front wall inner plate assembly 13 through bolts, so that the vehicle can be maintained conveniently. In addition, the lower body frame 11, the front windshield frame assembly 23, the left side surrounding frame assembly 41 and the right side surrounding frame assembly 51 are all made of common steel pipes, so that the manufacturing is convenient and the cost is low. In addition, the front windshield frame outer plate assembly 22 and the right side wall outer plate assembly 52 are both formed by bending common steel plates.

As shown in fig. 2 and 3, the back frame 14 includes first beams 141 extending in the left-right direction and disposed at intervals, two second beams 142 connected to the two first beams 141, respectively, and each extending in the vertical direction, and a third beam 143 connected between the two second beams 142 and extending in the left-right direction, a plurality of fourth beams 144 extending in the vertical direction are connected between each of the first beams 141 and the third beam 143, and one end of each first beam 141 close to another first beam 141 is connected with a fourth beam 144, a fifth beam 145 extending in the left-right direction is connected between two adjacent fourth beams 144 and between each second beam 142 and the fourth beam 144 adjacent thereto, a first frame 146 is connected between each first beam 141 and the corresponding second beam 142, and the first frame 146 is formed by connecting a plurality of first vertical beams 1461 extending in the vertical direction and a plurality of first left-right beams 1462 extending in the left-right direction. It will be appreciated that each second beam 142 has attached to it on its left and right sides a first frame 146 and a third beam 143, respectively.

Further, in order to further improve the structural strength of the rear wall frame 14, the first frame 146 further includes a plurality of first reinforcing beams 1463 and a plurality of second reinforcing beams 1464, and each of the first reinforcing beams 1463 is connected to one of the first vertical beams 1461 and one of the first left and right beams 1462. Each second stiffening beam 1464 is connected between one of the first left and right beams 1462 and the left side enclosure frame assembly 41; or between a first left and right rail 1462 and the right skirt assembly 5.

As shown in fig. 4, the top cover frame 61 includes an outer frame and a second frame, the outer frame includes two sixth beams 611 extending in the front-rear direction, a seventh beam 612 extending in the left-right direction, and two eighth beams 613 both extending in the left-right direction, the seventh beam 612 is connected between the two sixth beams 611, and the two eighth beams 613 are connected to the two sixth beams 611, respectively, with a gap therebetween; the second frame includes a ninth beam 614 connected between two sixth beams 611, a plurality of tenth beams 615 connected between the ninth beam 614 and the seventh beam 612, an eleventh beam 616 connected between each eighth beam 613 and the ninth beam 614, a twelfth beam 617 connected between the two eleventh beams 616, and a thirteenth beam 618 connected between one end of each eighth beam 613 away from the other eighth beam 613 and the twelfth beam 617.

Further, a plurality of fourteenth beams 619 are connected between each sixth beam 611 and the corresponding tenth beam 615. In addition, the top cover frame 61 further includes a third reinforcing beam 620, and the third reinforcing beam 620 is connected between the seventh beam 612 and the tenth beam 615, between the ninth beam 614 and the eleventh beam 616, between the eleventh beam 616 and the fourteenth beam 619, and between the eleventh beam 616 and the twelfth beam 617.

Further, the roof frame 61 further includes a third frame located below the second frame, the third frame including a plurality of second vertical beams 621 connected to the twelfth beam 617, a third vertical beam 622 connected to one of the thirteenth beams 618, a fourth vertical beam 623 connected to the other twelfth beam 618, a first front-rear beam 624 connected to the second vertical beam 621 and the third vertical beam 622, a second front-rear beam 625 connected to the second vertical beam 621 and the third vertical beam 622, and a plurality of second left-right beams 626 connected between the first front-rear beam 624 and the second front-rear beam 625, the first front-rear beam 624 and the second front-rear beam 625 both being connected to the rear frame 14, and the third frame and the rear frame 14 being connected to form the muzzle mount chute frame 10.

Specifically, the two eighth beams 613 of the roof frame 61 are respectively connected to the two first beams 141, the gap between the two eighth beams 613 is the same as the gap between the two first beams 141, and the first front-rear beam 624 and the second front-rear beam 625 are both connected to the same fifth beam 145, so that the third frame and the rear surrounding frame 14 are connected to form the muzzle mount groove frame 10.

Further, in the present embodiment, a first connecting beam is connected between the eleventh beam 616 and the adjacent thirteenth beam 618, three second connecting beams arranged side by side are connected between the ninth beam 614 and the twelfth beam 617, and two second connecting beams located at the outer side of the three second connecting beams are respectively connected to the corresponding eleventh beam 616 through the third connecting beam. In addition, a third stiffening beam 620 is connected between the first connecting beam and the eleventh and thirteenth beams 616 and 618, a third stiffening beam 620 is connected between the second connecting beam and the ninth and twelfth beams 614 and 617, and a third stiffening beam 620 is connected between the third connecting beam and the corresponding second and eleventh beams 616.

In conclusion, in the novel anti-shock wave frame type body-in-white provided by the embodiment, the rear surrounding frame 14 and the top cover frame 61 are both formed by square pipes with the yield strength of more than or equal to 700MPa, the muzzle dropping groove frame 10 is formed by connecting the rear surrounding frame 14 and the top cover frame 61, the groove-shaped plate structure 20 is connected to the muzzle dropping groove frame 10, the rear surrounding top cover 62 and the rear surrounding outer plate 3, the second reinforcing structures 8 are arranged at the joints of the groove-shaped plate structure 20, the rear surrounding top cover 62 and the rear surrounding outer plate 3, the left side surrounding outer plate assembly 42, the rear surrounding top cover 62, the rear surrounding outer plate 3, the groove-shaped plate structure 20 and the second reinforcing structures 8 are all made of steel plates with the yield strength of more than or equal to 500MPa, the first reinforcing structures 7 are arranged at the joints of the rear surrounding outer plate 3, the left side surrounding outer plate assembly 42 and the right side surrounding assembly 5, and the weight is lighter, and the maneuverability of the vehicle can be improved.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The novel shock wave resistant frame type body in white is characterized by comprising a lower body assembly (1), a front wall assembly (2) and a rear wall outer plate (3) which are respectively arranged at the front side and the rear side of the lower body assembly (1), a left side wall assembly (4) and a right side wall assembly (5) which are respectively arranged at the left side and the right side of the lower body assembly (1), and a top cover assembly (6) arranged at the top of the lower body assembly (1), wherein the lower body assembly (1) comprises a lower body and a rear wall frame (14) arranged at the rear side of the lower body, the rear wall outer plate (3) is connected with the rear wall frame (14), the top cover assembly (6) comprises a top cover frame (61) and a top cover outer plate (62) which are connected, the top cover frame (61) is connected with the rear wall frame (14), and the top cover outer plate (62) is connected with the rear wall outer plate (3), the left side wall assembly (4) comprises a left side wall frame assembly (41) and a left side wall outer plate assembly (42) which are connected, the left side wall frame assembly (41) is connected with the lower vehicle body, the rear wall frame (14) and the top cover frame (61), the left side wall outer plate assembly (42) is connected with the top cover outer plate (62) and the rear wall outer plate (3), and first reinforcing structures (7) are arranged at the joints of the rear wall outer plate (3) and the left side wall outer plate assembly (42) and the rear wall outer plate (3) and the right side wall assembly (5);

enclose frame (14) after with top cap frame (61) constitute by yield strength more than or equal to 700 MPa's square pipe, just enclose frame (14) after with top cap frame (61) are connected and are formed with the muzzle and fall to adorn recess frame (10), top cap planking (62) correspond the position that the muzzle fell to adorn recess frame (10) is equipped with the breach, novel shock wave resistant frame-type white automobile body still includes recess type platelike structure (20), recess type platelike structure (20) connect in top cap planking (62) after enclose planking (3) with the muzzle falls to adorn recess frame (10) to form the muzzle and fall to adorn the recess, recess type platelike structure (20) with top cap planking (62) after enclose planking (3) junction all be provided with second additional strengthening (8), top cap planking (62) after enclose planking (3), The second reinforcing structure (8) and the left side wall outer plate assembly (42) are both made of steel plates with yield strength of more than or equal to 500 MPa.

2. The novel blast-resistant frame-in-white vehicle body according to claim 1, wherein said rear surrounding frame (14) comprises two first beams (141) extending in a left-right direction and spaced apart from each other, two second beams (142) connected to said two first beams (141) respectively and extending in a vertical direction, and a third beam (143) connected between said two second beams (142) and extending in a left-right direction, a plurality of fourth beams (144) extending in a vertical direction are connected between each of said first beams (141) and said third beams (143), a fifth beam (145) extending in a left-right direction is connected between adjacent two of said fourth beams (144) and between each of said second beams (142) and adjacent said fourth beams (144), and a first frame (146) is connected between each of said first beams (141) and corresponding said second beams (142), the first frame (146) is formed by connecting a plurality of first vertical beams (1461) extending in the vertical direction and a plurality of first left and right beams (1462) extending in the left and right direction.

3. The new blast resistant frame-in-white body according to claim 2, characterized in that said first frame (146) further comprises a plurality of first stiffening beams (1463) and a plurality of second stiffening beams (1464), each of said first stiffening beams (1463) being connected between one of said first vertical beams (1461) and one of said first left and right beams (1462); each of the second reinforcing beams (1464) is connected between one of the first left and right beams (1462) and the left side surrounding frame assembly (41); or between one of the first left and right beams (1462) and the right skirt assembly (5).

4. The new blast-resistant frame-in-white vehicle body according to claim 1, wherein said roof frame (61) comprises an outer frame and a second frame, said outer frame comprising two sixth beams (611) extending in a front-rear direction, a seventh beam (612) extending in a left-right direction, and two eighth beams (613) each extending in a left-right direction, said seventh beam (612) being connected between said two sixth beams (611), said two eighth beams (613) being connected to said two sixth beams (611), respectively, with a gap therebetween; the second frame comprises a ninth beam (614) connected between two sixth beams (611), a plurality of tenth beams (615) are connected between the ninth beam (614) and the seventh beam (612), an eleventh beam (616) is connected between each eighth beam (613) and the ninth beam (614), a twelfth beam (617) is connected between the two eleventh beams (616), and a thirteenth beam (618) is connected between one end of each eighth beam (613) far away from the other eighth beam (613) and the twelfth beam (617).

5. The new blast resistant framed body-in-white of claim 4, characterized in that said roof frame (61) further comprises a third frame located below said second frame, said third frame comprising a plurality of second vertical beams (621) connected to said twelfth beam (617), a third vertical beam (622) connected to one of said thirteenth beams (618), a fourth vertical beam (623) connected to the other of said twelfth beams (618), a first front-to-back beam (624) connected to said second vertical beam (621) and said third vertical beam (622), a second front-to-back beam (625) connected to said second vertical beam (621) and said fourth vertical beam (623), and a plurality of second left-to-right beams (626) connected between said first front-to-back beam (624) and said second front-to-back beam (625), said first front-to-back beam (624) and said second front-to-back beam (625) both connected to said rear perimeter frame (14), the third frame and the back frame (14) are connected to form the muzzle drop groove frame (10).

6. A new type of blast-resistant frame-in-white body according to claim 4, characterized in that between each of said sixth beams (611) and the corresponding eleventh beam (616) there is connected a plurality of fourteenth beams (619).

7. The new blast-resistant frame-in-white body according to claim 6, wherein said roof frame (61) further comprises a third reinforcing beam (620), said third reinforcing beam (620) being connected between said seventh beam (612) and said tenth beam (615), between said ninth beam (614) and said eleventh beam (616), between said eleventh beam (616) and said fourteenth beam (619), and between said eleventh beam (616) and said twelfth beam (617).

8. The new blast-resistant frame-in-white body according to claim 1, wherein said lower body includes a lower body frame (11), a floor assembly (12) provided on said lower body frame (11), and a cowl inner panel assembly (13) provided on a front side of said lower body frame (11), said rear wall frame (14) being provided on a rear side of said lower body frame (11).

9. The new blast resistant frame body in white in accordance with claim 8, wherein said floor assembly (12) comprises a center tunnel panel comprising a first panel, a second panel and a third panel connected in series, said first panel, said second panel and said third panel forming a chamber therebetween for avoiding an engine, said center tunnel panel being made of a steel plate having a yield strength of 500MPa or more.

10. The new blast-resistant frame-in-white body according to claim 1, characterized in that the outside of said roof outer panel (62) and said rear wall outer panel (3) are provided with a plurality of draw beads (9).

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