阅读说明：本技术 一种全承载式纯电动商务客车结构 (Full-bearing type pure electric business passenger car structure ) 是由 李余格 金波 汪阳 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种全承载式纯电动商务客车结构,包括全冲压件前围、全冲压件顶盖、矩形管侧围、全冲压件后围和桁架式底架总成,全冲压件前围及全冲压件后围骨架通过其上方设置的全冲压件顶盖、两侧设置的矩形管侧围车身及下方设置的桁架式底架总成连成一体,形成整车的盒式骨架车身总成。本发明的有益效果是：本发明为全承载车身,整体强度相比于半承载车身,强度更高；本发明为全冲压件车身结构,质量轻、强度好；桁架式底架总成上的底架前段、底架中段、底架后段、底架尾段同时制作,底架各段拼接完成后与侧围焊接固定形成车身骨架整体,避免扣装工序带来的精度不高,安装困难等问题。该客车结构中侧围无需开设舱门,不破坏车体结构完整性。(The invention discloses a full-bearing type pure electric business bus structure which comprises a full-stamping part front wall, a full-stamping part top cover, a rectangular pipe side wall, a full-stamping part rear wall and a truss type chassis assembly, wherein a full-stamping part front wall framework and a full-stamping part rear wall framework are connected into a whole through the full-stamping part top cover arranged above the full-stamping part front wall framework, the rectangular pipe side wall bus bodies arranged on two sides of the full-stamping part rear wall framework and the truss type chassis assembly arranged below the full-stamping part front wall framework and the full-stamping part rear wall framework. The invention has the beneficial effects that: the invention is a full-bearing vehicle body, and the overall strength is higher than that of a half-bearing vehicle body; the invention is a full stamping part vehicle body structure, and has light weight and good strength; the front section of the underframe, the middle section of the underframe, the rear section of the underframe and the tail section of the underframe on the truss type underframe assembly are manufactured simultaneously, and the sections of the underframe are spliced and fixed with the side wall to form the whole body framework, so that the problems of low precision, difficult installation and the like caused by a buckling process are solved. The side wall in the passenger car structure does not need to be provided with a cabin door, and the integrity of the car body structure is not damaged.)

1. The utility model provides a pure electric business passenger train structure of formula of bearing entirely, its characterized in that: the all-stamped part front wall assembly comprises an all-stamped part front wall (1), an all-stamped part top cover (2), an all-stamped part rear wall (3), rectangular pipe side walls (4) and a truss type chassis assembly (5), wherein the all-stamped part front wall (1) and the all-stamped part rear wall (3) are connected into a whole through the all-stamped part top cover (2) arranged at the top, the rectangular pipe side walls (4) arranged at two sides and the truss type chassis assembly (5) to form a passenger car body structure assembly;

the truss type underframe assembly (5) is arranged into four sections, namely an underframe front section (7), an underframe middle section (8), an underframe rear section (9) and an underframe tail section (11), which are connected into an integral underframe assembly in a welding mode in sequence, namely the underframe middle section (8) is arranged on one side of the underframe front section (7), the underframe rear section (9) is arranged on one side of the underframe middle section (8), and the underframe tail section (11) is arranged on one side of the underframe rear section (9);

the inner part of the underframe middle section (8) is embedded with hoisting grooves (13) at equal intervals, and the inner part of the hoisting grooves (13) is provided with a battery mounting area (12).

2. The structure of claim 1, wherein the full-bearing full-electric-commercial passenger car is characterized in that the full-stamped front wall (1) is a full-stamped front wall with a large curved surface shape.

3. A full-carrying type pure electric business passenger car structure as claimed in claim 1, wherein one end of the chassis tail section (11) close to the full-stamped rear enclosure (3) is provided with a high-voltage electrical apparatus mounting area (6).

4. A full-bearing type pure electric business passenger car structure as claimed in claim 1, wherein the hoisting groove (13) is a hollow rectangular structure, and four anti-blocking bars (14) are circumferentially arranged on the hoisting groove (13).

5. The structure of claim 1, wherein the front chassis section (7), the middle chassis section (8), the rear chassis section (9) and the rear chassis section (11) are welded and fixed to the bottom of the rectangular tube side wall (4).

6. The structure of claim 1, wherein the method for using the structure of a fully-loaded pure electric business bus specifically comprises the following steps:

the method comprises the following steps: respectively manufacturing four sections of a front section (7) of the underframe, a middle section (8) of the underframe, a rear section (9) of the underframe and a tail section (11) of the underframe, and then splicing the four sections into a whole;

step two: welding the whole formed by splicing the front chassis section (7), the middle chassis section (8), the rear chassis section (9) and the tail chassis section (11) with the side wall (4) of the rectangular pipe;

step three: the battery is installed in a hoisting groove (13) of a battery installation area (12) in the middle section (8) of the underframe in a hoisting mode, and the battery is clamped and blocked through a blocking prevention frame rod (14) and is firmly fixed.

Technical Field

The invention relates to a passenger car structure, in particular to a full-bearing type pure electric business passenger car structure, and belongs to the technical field of application of pure electric business passenger car structures.

Background

At present, a commercial passenger car basically adopts a half-bearing structure, and has the following problems:

1. due to the semi-bearing structure, the limitation of the bottom space is obvious and the arrangement of chassis parts is difficult due to the problem of mold parts; when pure electric power is converted, the power battery is often difficult to arrange and install;

2. the semi-bearing structure has the advantages that when the vehicle body is buckled and connected with the chassis, the size cannot be accurately measured, and the error is large;

3. in a semi-bearing structure, a power battery is difficult to install, and a cabin door needs to be arranged on the side wall of a stamping part body, so that the strength of the body is influenced;

4. the semi-bearing structure, the body frame does not form a 'birdcage' closed space, and the strength is poor compared with the full bearing.

Disclosure of Invention

The invention aims to solve the problems that the arrangement of chassis parts is difficult, side wall cabin doors are required to be arranged for installing power batteries, the attractiveness and the strength of a vehicle body are influenced and the like in the design and manufacturing processes of the current pure electric business passenger vehicle, and provides a full-bearing type pure electric business passenger vehicle underframe structure. The invention is a full-load vehicle body, the overall strength is higher than that of a half-load vehicle body, the invention is a full-stamping part vehicle body structure, the weight is light, the strength is good, the front section of the underframe, the middle section of the underframe, the rear section of the underframe and the rear section of the underframe on the truss type underframe assembly are simultaneously manufactured, the underframe is welded and fixed with the side wall to form a vehicle body framework whole after the sections of the underframe are spliced, and the problems of low precision, difficult installation and the like caused by a buckling procedure are avoided.

The purpose of the invention can be realized by the following technical scheme: a full-load type pure electric business bus structure comprises a full-stamping part front wall, a full-stamping part top cover, a rectangular pipe side wall, a full-stamping part rear wall and a truss type underframe assembly, wherein the full-stamping part front wall and full-stamping part rear wall frameworks are connected into a whole through the full-stamping part top cover arranged above the full-stamping part front wall and the full-stamping part rear wall frameworks, the rectangular pipe side wall bodies arranged on two sides of the full-stamping part front wall and the full-stamping part rear wall frameworks and the truss type underframe assembly arranged below the full-stamping part front;

the truss type underframe assembly comprises four sections, namely an underframe front section, an underframe middle section, an underframe rear section and an underframe rear section, which are connected into an integral underframe assembly in a welding mode in sequence, wherein one end of the integral underframe assembly is provided with the underframe front section, one side of the underframe front section is provided with the underframe middle section, one side of the underframe middle section is provided with the underframe rear section, and one side of the underframe rear section is provided with the underframe rear section;

the battery installing device comprises an underframe and a battery installing region, wherein the battery installing region is arranged in the middle section of the underframe, the battery installing region is arranged in the hoisting groove, the battery is installed in the hoisting groove of the battery installing region in the middle section of the underframe in a hoisting mode, and the battery is clamped and blocked by a blocking-preventing frame rod and is fixed and firm.

The invention has further technical improvements that: enclose before full stamping workpiece for big curved surface molding, be favorable to promoting before enclose the driving field of vision.

The invention has further technical improvements that: and one end of the tail section of the underframe, which is close to the rear wall of the full stamping part, is provided with a high-voltage electrical appliance mounting area, and a high-voltage electrical appliance is loaded in the high-voltage electrical appliance mounting area.

The invention has further technical improvements that: the hoisting groove is of a hollow rectangular structure, four anti-blocking frame rods are circumferentially arranged in the hoisting groove, the battery clamping is fixed through the anti-blocking frame rods, and the firmness and the safety of the battery installed in the hoisting groove are guaranteed to be higher.

The invention has further technical improvements that: chassis anterior segment, chassis middle section, chassis back end and chassis back end all with rectangular pipe side wall bottom welded fastening, the chassis is makeed simultaneously, and the concatenation is accomplished back and is formed the automobile body skeleton wholly with side wall welded fastening, and the precision that avoids the spiral-lock process to bring is not high, installation difficulty scheduling problem.

The using method of the passenger car structure specifically comprises the following steps:

the method comprises the following steps: respectively manufacturing four sections of a front section of the underframe, a middle section of the underframe, a rear section of the underframe and a tail section of the underframe, and then splicing the four sections into a whole;

step two: welding the whole formed by splicing the front section of the underframe, the middle section of the underframe, the rear section of the underframe and the tail section of the underframe with the body of the rectangular pipe side wall stamping part;

step three: the battery is installed in a hoisting groove of a battery installation area in the middle section of the underframe in a hoisting mode, and the battery is clamped and blocked by the blocking prevention frame rod and is firmly fixed.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is a full-bearing vehicle body, and the overall strength is higher than that of a half-bearing vehicle body;

2. the invention is a full stamping part vehicle body structure, and has light weight and good strength;

3. the front section of the underframe, the middle section of the underframe, the rear section of the underframe and the tail section of the underframe on the truss type underframe assembly are manufactured simultaneously, and the sections of the underframe are spliced and fixed with the side wall to form the whole body framework, so that the problems of low precision, difficult installation and the like caused by a buckling process are solved.

4. The side wall in the passenger car structure does not need to be provided with a cabin door, so that the structural integrity of the car body is not damaged;

5. this passenger train structure has avoided half to bear stamping workpiece mould chassis restriction, encloses behind enclosing, the setting of rectangular pipe side wall cooperation truss-like chassis assembly before enclosing, full stamping workpiece top cap, the full stamping workpiece through full stamping workpiece, and chassis wheel base and girder width homoenergetic realize adjusting, and chassis parts installation will not receive the engine supporting legs, restriction such as gearbox supporting legs, therefore can realize arranging in a flexible way, and the convenience is good, and chassis parts arranges in a flexible way, has good social, is fit for using widely.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a perspective view of the overall structure of the present invention.

FIG. 2 is a top view of the truss undercarriage assembly of the present invention.

Fig. 3 is a front perspective view of a middle chassis section and a rear chassis section of the present invention.

Fig. 4 is a top perspective view of a middle chassis section and a rear chassis section of the present invention.

In the figure: 1. a front wall of a full stamping part; 2. a full stamping top cover; 3. the rear wall of the full stamping part; 4. a rectangular pipe side wall; 5. a truss-like underframe assembly; 6. a high-voltage electrical installation area; 7. a chassis front section; 8. a chassis middle section; 9. a rear section of the chassis; 10. a rear section of the chassis; 11. a chassis tail section; 12. a battery mounting region; 13. hoisting the groove; 14. prevent fender hack lever.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a full-load type pure electric business bus structure comprises a full-stamping part front wall 1, a full-stamping part top cover 2, a full-stamping part rear wall 3 and a truss type chassis assembly 5, wherein the full-stamping part top cover 2 is arranged above one end of the full-stamping part front wall 1, the full-stamping part rear wall 3 is arranged at the tail part of one end of the full-stamping part top cover 2, rectangular pipe side walls 4 are vertically arranged at two ends of the full-stamping part top cover 2, the truss type chassis assembly 5 is arranged right below the full-stamping part top cover 2, and the full-stamping part front wall and the full-stamping part rear wall framework are connected into a whole through the full-stamping part top cover arranged above the full-stamping part, the rectangular pipe side wall bodies arranged at two sides of the full-stamping part front wall;

wherein, one end of the truss type underframe assembly 5 is provided with an underframe front section 7, one side of the underframe front section 7 is provided with an underframe middle section 8, one side of the underframe middle section 8 is provided with an underframe rear section 9, one side of the underframe rear section 9 is provided with an underframe rear section 11, the truss type underframe assembly 5 is directly welded with the side wall of the stamping part body without buckling installation, the middle underframe 8 in the truss type underframe assembly 5 is specially designed for hoisting a battery, the battery can be quickly and reliably installed, the side wall opening is avoided, the integrity of the vehicle body is ensured, the truss type underframe assembly 5 comprises an underframe front section 7, an underframe middle section 8, an underframe rear section 9 and an underframe rear section 11 which are connected into an integral underframe assembly in a welding mode in sequence, namely, one end is provided with the underframe front section 7, one side of the underframe front section is provided with the underframe, and one side of the rear section of the underframe is provided with a tail section 11 of the tail frame of the underframe;

wherein, the inside equidistant embedding of chassis middle section 8 establishes hoist and mount groove 13, and the inside battery installing zone 12 that is provided with of hoist and mount groove 13 through the hoist and mount form with the battery installation in the hoist and mount groove 13 of the battery installing zone 12 in chassis middle section 8, presss from both sides the fender to the battery through preventing fender hack lever 14, and is fixed firm to the battery.

One end of the front wall 1 of the full stamping part, which is close to the upper part of the front section 7 of the underframe, is of a circular arc structure.

One end of the underframe tail section 11, which is close to the rear wall 3 of the full stamping part, is provided with a high-voltage electric appliance mounting area 6, and a high-voltage electric appliance is loaded through the high-voltage electric appliance mounting area 6.

Hoisting groove 13 is hollow rectangle structure, and hoisting groove 13 circumference is provided with four and prevents fender hack levers 14, and is fixed the battery clamping through preventing fender hack lever 14, guarantees that the battery is higher by the fastness and the security of installation in hoisting groove 13.

Chassis anterior segment 7, chassis middle section 8, chassis back end 9 and chassis back end 11 all with rectangular pipe side wall 4 bottom welded fastening, the chassis is makeed simultaneously, and the concatenation is accomplished the back and is formed the automobile body skeleton wholly with side wall welded fastening, and the precision of avoiding the spiral-lock process to bring is not high, installation difficulty scheduling problem.

The using method of the passenger car structure specifically comprises the following steps:

the method comprises the following steps: referring to fig. 2-3, four sections, namely, a front section 7 of the chassis, a middle section 8 of the chassis, a rear section 9 of the chassis, and a rear section 11 of the chassis, are manufactured separately and then spliced into a whole;

step two: welding the whole formed by splicing the front underframe section 7, the middle underframe section 8, the rear underframe section 9 and the rear underframe section 11 with the rectangular tube side wall 4 stamping part body;

step three: referring to fig. 3-4, the battery is installed in the hoisting groove 13 of the battery installation area 12 in the middle section 8 of the underframe by means of hoisting, and the battery is clamped and blocked by the blocking prevention frame rod 14, so that the battery is firmly fixed.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.