CN113232728A - Novel chassis platform of mini-vehicle - Google Patents
Novel chassis platform of mini-vehicle Download PDFInfo
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- CN113232728A CN113232728A CN202110730253.4A CN202110730253A CN113232728A CN 113232728 A CN113232728 A CN 113232728A CN 202110730253 A CN202110730253 A CN 202110730253A CN 113232728 A CN113232728 A CN 113232728A
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- 238000013016 damping Methods 0.000 claims abstract description 52
- 230000035939 shock Effects 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000006096 absorbing agent Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Body Structure For Vehicles (AREA)
Abstract
The invention provides a novel chassis platform of a mini-vehicle, which comprises a chassis and a gantry frame, wherein the gantry frame is fixedly connected with two ends of the chassis in a vertical mode, the chassis comprises a square frame and auxiliary frames, the square frame is arranged along the length direction of a vehicle body, the auxiliary frames are symmetrically and fixedly arranged in the middle of two sides of the square frame, and one side, close to the square frame, of each auxiliary frame is matched with the square frame to form a seat framework. The gantry frame comprises a transversely arranged gantry beam, stand columns close to two ends of the gantry beam, U-shaped pieces which are close to the upper sides of the two ends of the gantry beam and used for stably fixing the gantry beam, a damping tower is arranged on the outer side of the upper end of each stand column, the upper end of each damping tower is fixedly connected with the gantry beam, and a damper is fixedly arranged on the lower end face of each damping tower. The chassis is matched with the auxiliary frame through the square frame, so that collision injury is relieved, and safety of passengers is effectively protected; the stand column, the gantry framework and the U-shaped part are matched to decompose and concentrate force, the chassis load is more uniform, and the stability of the vehicle body is improved.
Description
Technical Field
The invention belongs to the field of automobile chassis, and particularly relates to a novel miniature automobile chassis platform.
Background
Currently, with the rapid development of new energy vehicles, various vehicle manufacturers have increased the research pace of new energy electric vehicles, and particularly pure electric vehicles have been widely accepted by consumers, and because the required performances, arrangement and structures of fuel vehicles and electric vehicles are inconsistent, for example, the space of an oil tank cannot simply replace a battery, the traditional structure is no longer suitable for miniature electric vehicles; the current chassis platform is complex in design, a large number of stamping parts or machining parts with complex structures are used, the design is difficult, the period is long, the machining is complex, and the cost is high; the current chassis platform has a plurality of types of used parts and fewer interchangeable parts; at present, most chassis platforms are made of steel materials, so that the weight is high, the quality of the whole vehicle is affected, and the requirement of light weight is difficult to realize; the current shock tower structure is complicated, and processing is complicated and the welding degree of difficulty is high.
Disclosure of Invention
In view of the above, the invention aims to provide a novel chassis platform for a mini-type vehicle, so as to solve the problems that the structure of a workpiece on a fuel vehicle does not meet the requirement of the mini-type new energy vehicle, and the chassis and a damping tower have complicated structures and are inconvenient to process and manufacture.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a novel chassis platform of a miniature vehicle comprises a chassis and a gantry frame, wherein the gantry frame is vertically and fixedly connected with two ends of the chassis in a close mode, the chassis comprises a square frame and auxiliary frames, the square frame is arranged along the length direction of a vehicle body, the auxiliary frames are symmetrically and fixedly arranged in the middle of two sides of the square frame, and one side, close to the square frame, of each auxiliary frame is matched with the square frame to form a seat framework. The gantry frame comprises a transversely arranged gantry beam, stand columns close to two ends of the gantry beam, U-shaped pieces which are close to the upper sides of the two ends of the gantry beam and used for stably fixing the gantry beam, a damping tower is arranged on the outer side of the upper end of each stand column, the upper end of each damping tower is fixedly connected with the gantry beam, and a damper is fixedly arranged on the lower end face of each damping tower.
Furthermore, the damping tower inclines towards the lower part of the inner side of the chassis and comprises an upper damping tower piece and a lower damping tower piece, and the upper damping tower piece and the lower damping tower piece are provided with avoidance square grooves corresponding to the stand columns;
the lower sides of the gantry beams close to the two ends are provided with inclined planes corresponding to the upper surfaces of the damping towers.
Furthermore, the other side edges of the lower damping tower piece far away from the square groove extend outwards to form long strip plates, the long strip plates are turned upwards, the upper damping tower piece is arranged corresponding to the lower damping tower piece, and the upper sides of the long strip plates are flush and fixedly connected with the lower surface of the upper damping tower piece;
the pieces on two sides of the lower piece of the damping tower, which are close to the square groove, extend a certain length towards the direction of the upright column and extend to one side, which is close to the upright column and is far away from the damping tower;
the damping tower lower plate is provided with a large round hole corresponding to the upper end of the damper, a small round hole corresponding to the damper fixing bolt is used for the bolt to pass through, and the damping tower upper plate is provided with a mounting hole corresponding to the round hole and used for mounting the damper bolt.
Furthermore, the opening of the U-shaped part faces the gantry beam, U-shaped grooves are formed in the vertical walls on the two sides of the U-shaped part and correspond to the width of the gantry beam, avoidance grooves are formed in the gantry beam and correspond to the width of the U-shaped part, the U-shaped grooves and the avoidance grooves are correspondingly clamped and fixed, the upper surface of the U-shaped part is fixedly connected with the instrument desk, and the upper surface of the U-shaped part is flush with the upper surface of the gantry beam.
Furthermore, the square frame and the auxiliary frame are both composed of aluminum alloy rectangular tubes, the square frame is symmetrically provided with a pair of main longitudinal beams along the vehicle running direction, a front cross beam, a seat main cross beam and a rear cross beam are sequentially and vertically fixed between the pair of main longitudinal beams from the front end to the rear end of the chassis, the auxiliary frame is arranged corresponding to the middle of the main longitudinal beams and fixedly connected to the outer sides of the main longitudinal beams, a side seat short cross beam is vertically and fixedly arranged in the auxiliary frame perpendicular to the main longitudinal beams, the seat frame is a square three-dimensional frame, and the positions of the lower ends of the seat frame, which face the two ends close to the transverse direction, are fixedly connected to the seat main cross beam and the side seat short cross beam respectively.
Furthermore, a pair of main longitudinal beams are also vertically and fixedly connected with two battery cross beams, the rear cross beams are arranged in parallel, the battery cross beams comprise a first battery cross beam and a second battery cross beam, the first battery cross beam is transversely arranged between the seat main cross beam and the rear cross beam, the second battery cross beam is parallelly arranged between the pair of rear cross beams, and the battery installation position on the chassis is fixedly arranged on the first battery cross beam and the second battery cross beam.
Furthermore, the front cross beam comprises a first front cross beam, a second front cross beam and a third front cross beam, the first front cross beam is vertically arranged at the front end of the main longitudinal beam, the second front cross beam and the third front cross beam are arranged on the rear side of the first front cross beam in parallel, a plurality of power-assisted steering longitudinal beams are vertically arranged between the second front cross beam and the third front cross beam, and the second front cross beam, the third front cross beam and the power-assisted steering longitudinal beams are matched and fixedly connected with one another for power-assisted steering.
Furthermore, the upright column comprises a vertical column and an inclined column fixedly connected to the upper side of the vertical column, the inclined column inclines towards the inner side of the chassis, and the upper end of the inclined column is fixedly arranged on the lower surface of the gantry beam close to the two ends;
the lower ends of the vertical columns are arranged on the upper side of the main longitudinal beam and correspond to the position between the second front cross beam and the third front cross beam, the outer side faces, close to the lower ends, of the vertical columns are fixedly provided with enclosing plates, the enclosing plates are in an isosceles trapezoid shape, the lower sides of the enclosing plates are turned towards the inner side direction of the chassis to form flange plates, and the flange plates are provided with screw through holes corresponding to the main longitudinal beam; the middle of the enclosing plate is provided with a screw through hole corresponding to the vertical column, and the enclosing plate is symmetrically arranged to enable the vacant positions to be used for avoiding power-assisted steering.
Furthermore, the two sides of the enclosing plate are turned over to the outer side far away from the chassis to form a first reinforcing plate, the upper side of the enclosing plate is turned over to the outer side far away from the chassis to form a second reinforcing plate, and the two ends of the second reinforcing plate after the upper side of the enclosing plate is turned over extend to the two sides and are turned over downwards to be attached and fixedly connected with the outer side face of the first reinforcing plate.
Compared with the prior art, the novel chassis platform for the mini-car has the following beneficial effects:
(1) the chassis is matched with the auxiliary frame through the square frame, and a plurality of sectional materials are arranged at the front, the back, the left and the right, so that collision injury is relieved, and safety of passengers is effectively protected; the stand column, the gantry framework and the U-shaped part are matched to decompose and concentrate force, the chassis load is more uniform, and the stability of the vehicle body is improved.
(2) The chassis does not adopt the traditional processing technology of a stamping die, adopts the aluminum alloy rectangular tube for welding, has convenient processing, simple structure, simple welding path and low cost, and can obviously reduce the quality so as to meet the requirement of light weight; in addition, the front gantry framework and the rear gantry framework are optimized, so that the front gantry framework and the rear gantry framework can be interchanged.
(3) The damping tower is not formed by traditional casting, so that the structure of the damping tower is optimized, the strength is ensured, and the processing and welding are convenient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a novel chassis platform of the mini-car in the embodiment of the invention;
FIG. 2 is a schematic view of a chassis structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a shock absorbing support assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a shock tower according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a shroud according to an embodiment of the present invention.
Description of reference numerals:
1-square frame; 11-a main stringer; 12-a front cross beam; 121-front beam one; 122-front beam two; 123-front beam III; 124-power steering longitudinal beam; 125-power steering; 13-a seat main beam; 14-rear cross member; 15-cell beam; 151-cell beam one; 152-cell beam two; 2-an auxiliary frame; 21-side seat short beam; 3-a seat frame; 4-gantry beam; 41-avoidance groove; 5-upright column; 51-vertical columns; 52-inclined column; 53-coaming; 531-flange plate; 532-letting room; 533-stiffener one; 534-reinforcing plate two; 6-a shock absorption tower; 61-damping tower upper plate; 62-damping tower lower plate; 621-long strip board; 622-small round hole; 623-mounting holes; 624-big round hole; 625-one slice; 63-square groove; 7-a shock absorber; 8-U-shaped piece; 81-U-shaped groove; 9-battery mounting box.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, a novel chassis platform of a miniature vehicle comprises a chassis and a gantry frame vertically and fixedly connected with two ends of the chassis, wherein the chassis comprises a square frame 1 arranged along the length direction of a vehicle body and auxiliary frames 2 symmetrically and fixedly arranged in the middle parts of two sides of the square frame 1, and one side of the auxiliary frame 2 close to the square frame 1 is matched with the square frame 1 to form a seat framework 3.
The gantry frame comprises a transversely arranged gantry beam 4, stand columns 5 arranged at two ends of the gantry beam 4, U-shaped parts 8 arranged at the upper sides of the two ends of the gantry beam 4 and used for stably fixing the gantry beam, a damping tower 6 is arranged on the outer side of the upper end of each stand column 5, the upper end of the damping tower is fixedly connected with the gantry beam 4, and a damper 7 is fixedly arranged on the lower end face of the damping tower.
As shown in fig. 1, 3 and 4, the shock absorption tower 6 inclines downwards towards the inner side of the chassis, and comprises a shock absorption tower upper plate 61 and a shock absorption tower lower plate 62, and the shock absorption tower upper plate 61 and the shock absorption tower lower plate 62 are both provided with an avoidance square groove 63 corresponding to the upright post 5;
the lower sides of the gantry beam 4 close to the two ends are provided with inclined surfaces corresponding to the upper surfaces of the damping towers 6.
As shown in fig. 1, 3 and 4, the other side edges of the lower damping tower piece 62 far away from the square groove 63 are extended with long strips 621 outwards, a plurality of the long strips 621 are turned upwards, the upper damping tower piece 61 is arranged corresponding to the lower damping tower piece 62, and the upper sides of the long strips 621 are flush with and fixedly connected with the lower surface of the upper damping tower piece 61;
the shock absorption tower lower plate 62 is provided with a large round hole 624 corresponding to the upper end of the shock absorber 7, a small round hole 622 corresponding to the fixing bolt of the shock absorber 7 is provided for the bolt to pass through, and the shock absorption tower upper plate 61 is provided with a mounting hole 623 corresponding to the round hole 622 and used for mounting the shock absorber bolt.
The existing damping tower 6 generally adopts a casting process, the manufacturing process is relatively complex, the damping tower 6 is formed by welding an upper damping tower sheet 61 and a lower damping tower sheet 62, and the lower damping tower sheet 62 is formed by blanking and turning over a plate material, so that the processing steps are simple, and the strength requirement is met;
As shown in fig. 1, 3 and 4, the opening 8 of the U-shaped part faces the gantry beam 4, U-shaped grooves 81 are formed in the vertical walls on the two sides of the U-shaped part 8 corresponding to the width of the gantry beam 4, avoidance grooves 41 are formed in the gantry beam 4 corresponding to the width of the U-shaped part 8, the U-shaped grooves 81 are clamped and fixed corresponding to the avoidance grooves 41, the upper surface of the U-shaped part 8 is fixedly connected with the instrument desk, and the upper surface of the U-shaped part 8 is flush with the upper surface of the gantry beam 4.
The force generated by vibration and support can be transmitted to two sides through the crossed gantry beam 4 and the upright post 5 when being transmitted upwards through the damping tower 6 or the upright post 5, so that the generation of concentrated force is reduced, and the stability of the whole structure is ensured.
As shown in fig. 1 and 2, the square frame and the auxiliary frame are both composed of aluminum alloy rectangular tubes, the square frame 1 is provided with a pair of main longitudinal beams 11 symmetrically arranged along the vehicle traveling direction, a front cross beam 12, a seat main cross beam 13 and a rear cross beam 14 are sequentially and vertically fixed between the pair of main longitudinal beams 11 from the front end to the rear end of the chassis, the auxiliary frame 2 is arranged corresponding to the middle of the main longitudinal beams 11 and is fixedly connected to the outer sides of the main longitudinal beams 11, a side seat short cross beam 21 is vertically fixed in the auxiliary frame 2 perpendicular to the main longitudinal beams 11, the seat frame 3 is a three-dimensional frame, and the positions of the lower ends of the seat frame 3 facing the two transverse ends are respectively and fixedly connected to the seat main cross beam 13 and the side seat short cross beam 21.
The chassis adopts the aluminum alloy rectangular pipe, can show the reduction quality to satisfy the requirement of lightweight, through the auxiliary frame 2 of 1 bilateral symmetry setting at square frame, can strengthen the anti side impact performance of automobile body, when the automobile body front side received the impact, auxiliary frame 2 also can play certain support stabilizing effect to seat bone 3.
As shown in fig. 1 and 2, a pair of main longitudinal beams 11 are further vertically and fixedly connected with two battery cross beams 15, the two rear cross beams are arranged in parallel, each battery cross beam 15 comprises a first battery cross beam 151 transversely arranged between the seat main cross beam 13 and the rear cross beam 14 and a second battery cross beam 152 parallelly arranged between the pair of rear cross beams 14, and the battery mounting position 9 on the chassis is fixedly arranged on the first battery cross beam 151 and the second battery cross beam 152.
The battery cross beams 15 can be arranged on the lower end face of the battery mounting position according to the length of the battery mounting position 9, and the stability of battery mounting is guaranteed.
As shown in fig. 1 and 2, the front cross beam 12 includes a first front cross beam 121, a second front cross beam 122, and a third front cross beam 123, the first front cross beam 121 is vertically disposed at a front end of the main longitudinal beam 11, the second front cross beam 122 and the third front cross beam 123 are disposed at a rear side of the first front cross beam 121 in parallel, a plurality of power steering longitudinal beams 124 are vertically disposed between the second front cross beam 122 and the third front cross beam 123, and the second front cross beam 122, the third front cross beam 123, and the power steering longitudinal beams 124 are cooperatively and fixedly connected to a power steering column 125.
As shown in fig. 1 and 2, the upright column 5 includes a vertical column 51 and an inclined column 52 fixedly connected to the upper side of the vertical column, the inclined column 52 is inclined towards the inner side of the chassis, and the upper end of the inclined column 52 is fixedly arranged on the lower surface of the gantry beam 4 near two ends;
the lower end of the vertical column 51 is arranged on the upper side of the main longitudinal beam 11 and corresponds to the position between the second front cross beam 122 and the third front cross beam 123, a coaming 53 is fixedly arranged on the outer side surface of the vertical column close to the lower end, the coaming is in an isosceles trapezoid shape, the lower side of the coaming 53 is turned towards the inner side direction of the chassis to form a flange plate 531, and the flange plate 531 is provided with screw through holes corresponding to the main longitudinal beam 11; the middle of the coaming is provided with a screw through hole corresponding to the vertical column 51, and the coaming 53 is symmetrically provided with a vacancy 532 for avoiding the power-assisted steering 125.
The vacant sites can be square or U-shaped openings, the positions of the gantry beam 4 close to the two ends are provided with vertical columns 5, the positions of the lower ends of the vertical columns 5, corresponding to the positions between the beam II and the beam III, are fixedly arranged on the upper surface of the main longitudinal beam 11 through isosceles trapezoid enclosing plates, and the upper ends of the vertical columns 5 are folded inwards, so that the structure of the gantry frame is more stable; the coaming can disperse the force of the upright post 5 to the main beam, the second beam and the third beam, so that the overall stability is improved.
As shown in fig. 1, 2 and 5, two sides of the enclosing plate 53 are folded towards the outside far away from the chassis to form a first reinforcing plate 533, the upper side of the enclosing plate is folded towards the outside far away from the chassis to form a second reinforcing plate 534, and two ends of the second reinforcing plate 534 turned over at the upper side of the enclosing plate 53 extend towards two sides and are turned over downwards to be attached and fixedly connected with the outer side face of the first reinforcing plate 533.
Both sides and upper portion of bounding wall 53 set up the reinforcing plate to form and surround the rigid coupling structure, compare the monoblock flat board, anti external force performance is more reliable, improves bounding wall 53's stability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a novel miniature car chassis platform which characterized in that: the vehicle seat comprises a chassis and a gantry frame, wherein the gantry frame is vertically and fixedly connected with two ends of the chassis, the chassis comprises a square frame (1) arranged along the length direction of a vehicle body and auxiliary frames (2) symmetrically and fixedly arranged in the middles of two sides of the square frame (1), and one side of each auxiliary frame (2) close to the square frame (1) is matched with the square frame (1) to be provided with a seat framework (3);
the gantry frame comprises a transversely arranged gantry beam (4), stand columns (5) which are close to two ends of the gantry beam (4), and U-shaped pieces (8) which are close to the upper sides of two ends of the gantry beam (4) and are used for stably fixing the gantry beam, wherein a damping tower (6) is arranged on the outer side of the upper end of each stand column (5), the upper end of each damping tower (6) is fixedly connected with the gantry beam (4), and a damper (7) is fixedly arranged on the lower end face of each damping tower.
2. A novel miniature vehicle chassis platform as set forth in claim 1, wherein: the damping tower (6) inclines towards the lower part of the inner side of the chassis and comprises an upper damping tower piece (61) and a lower damping tower piece (62), and the upper damping tower piece (61) and the lower damping tower piece (62) are respectively provided with an avoidance square groove (63) corresponding to the upright post (5);
the lower sides of the gantry beam (4) close to the two ends are provided with inclined planes corresponding to the upper surfaces of the damping towers (6).
3. A novel miniature vehicle chassis platform as set forth in claim 2, wherein: the damping tower lower piece (62) is provided with long strips (621) which extend outwards on the other side edges far away from the square groove (63), the long strips (621) are turned upwards, the damping tower upper piece (61) is arranged corresponding to the damping tower lower piece (62), and the upper sides of the long strips (621) are flush and fixedly connected with the lower surface of the damping tower upper piece (61);
the first pieces (625) of the lower piece (62) of the shock absorption tower, which are close to the two sides of the square groove (63), extend to a certain length towards the direction of the upright column and extend to one side, which is close to the upright column (5) and is far away from the shock absorption tower (6);
the shock absorber lower plate (62) is provided with a large round hole (624) corresponding to the upper end of the shock absorber (7), a small round hole (622) used for a bolt to pass through is arranged corresponding to a fixing bolt of the shock absorber (7), and the shock absorber upper plate (61) is provided with a mounting hole (623) used for mounting a shock absorber bolt corresponding to the round hole (622).
4. A novel miniature vehicle chassis platform as set forth in claim 1, wherein: u type spare opening (8) are towards gantry beam (4), U type groove (81) is seted up to the width that U type spare (8) both sides found the wall and correspond gantry beam (4), gantry beam (4) are corresponding the width of U type spare (8) and are seted up and dodge groove (41), U type groove (81) with dodge groove (41) and correspond the joint fixed, U type spare (8) upper surface and instrument desk rigid coupling, the upper surface parallel and level of U type spare (8) upper surface and gantry beam (4).
5. A novel miniature vehicle chassis platform as set forth in claim 1, wherein: the square frame and the auxiliary frame are both composed of aluminum alloy rectangular pipes, the square frame (1) is provided with a pair of main longitudinal beams (11) symmetrically arranged along the vehicle running direction, a front cross beam (12), a seat main cross beam (13) and a rear cross beam (14) are sequentially and vertically fixedly arranged between the pair of main longitudinal beams (11) from the front end to the rear end of a chassis, the auxiliary frame (2) is arranged corresponding to the middle of the main longitudinal beams (11) and fixedly connected to the outer sides of the main longitudinal beams (11), a side seat short cross beam (21) is vertically and fixedly arranged in the auxiliary frame (2) perpendicular to the main longitudinal beams (11), the seat framework (3) is a square three-dimensional frame, and the positions of the lower end of the seat framework (3) facing to the two near transverse ends are fixedly connected to the seat main cross beam (13) and the side seat short cross beam (21) respectively.
6. A novel miniature vehicle chassis platform as set forth in claim 5, wherein: a pair of main longitudinal beams (11) are further perpendicularly and fixedly connected with battery cross beams (15), the rear cross beams are arranged in parallel, the battery cross beams (15) comprise a battery cross beam I (151) transversely arranged between the seat main cross beam (13) and the rear cross beam (14) and a battery cross beam II (152) parallelly arranged between the pair of rear cross beams (14), and a battery mounting position (9) on the chassis is fixedly arranged on the battery cross beam I (151) and the battery cross beam II (152).
7. A novel miniature vehicle chassis platform as set forth in claim 5, wherein: the front cross beam (12) comprises a first front cross beam (121), a second front cross beam (122) and a third front cross beam (123), the first front cross beam (121) is vertically arranged at the front end of the main longitudinal beam (11), the second front cross beam (122) and the third front cross beam (123) are arranged on the rear side of the first front cross beam (121) in parallel, a plurality of power-assisted steering longitudinal beams (124) are vertically arranged between the second front cross beam (122) and the third front cross beam (123), and the second front cross beam (122) and the power-assisted steering longitudinal beams (124) are fixedly connected with the power-assisted steering longitudinal beams (125) in a matched mode.
8. A novel miniature vehicle chassis platform as set forth in claim 6, wherein: the upright post (5) comprises a vertical post (51) and an inclined post (52) fixedly connected to the upper side of the vertical post, the inclined post (52) inclines towards the inner side of the chassis, and the upper end of the inclined post (52) is fixedly arranged on the lower surface of the gantry beam (4) close to the two ends;
the lower ends of the vertical columns (51) are arranged on the upper side of the main longitudinal beam (11) and correspond to the position between the second front cross beam (122) and the third front cross beam (123), the outer side faces, close to the lower ends, of the vertical columns are fixedly provided with enclosing plates (53), the enclosing plates are isosceles trapezoids, the lower sides of the enclosing plates (53) are turned towards the inner side direction of the chassis to form flange plates (531), and the flange plates (531) are provided with screw through holes corresponding to the main longitudinal beam (11); the middle part of the enclosing plate is provided with a screw through hole corresponding to the vertical column (51), and the enclosing plate (53) is symmetrically provided with a vacancy (532) for avoiding power-assisted steering (125).
9. A novel miniature vehicle chassis platform as set forth in claim 8, wherein: two sides of the enclosing plate (53) are turned over towards the outer side far away from the chassis to form a first reinforcing plate (533), the upper side of the enclosing plate is turned over towards the outer side far away from the chassis to form a second reinforcing plate (534), and two ends of the second reinforcing plate (534) turned over at the upper side of the enclosing plate (53) extend towards two sides and are turned over downwards to be attached and fixedly connected with the outer side face of the first reinforcing plate (533).
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| CN212047585U (en) * | 2020-01-10 | 2020-12-01 | 浙江智莱科技有限公司 | Frame of four-wheel kart |
| CN217320503U (en) * | 2021-06-29 | 2022-08-30 | 上海卓迅汽车科技有限公司 | Novel chassis platform of mini-vehicle |
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| US20170129546A1 (en) * | 2014-04-01 | 2017-05-11 | Shenzhen Zhilun Driving Technology for Electric Vehicle Co., Ltd. | Electric vehicle frame system |
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