CN211308733U - Chassis and commodity circulation delivery car - Google Patents
Chassis and commodity circulation delivery car Download PDFInfo
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- CN211308733U CN211308733U CN201922407199.0U CN201922407199U CN211308733U CN 211308733 U CN211308733 U CN 211308733U CN 201922407199 U CN201922407199 U CN 201922407199U CN 211308733 U CN211308733 U CN 211308733U
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Abstract
The utility model relates to a logistics distribution technical field discloses a chassis and logistics distribution car. The chassis comprises a frame and a front suspension, the front suspension comprises a front axle and a connecting arm, the connecting arm is connected with the frame and is connected with the front axle, the connecting arm comprises a first arm, a second arm, a third arm and a fourth arm which are sequentially connected, and the first arm, the second arm, the third arm and the fourth arm form an M-shaped structure together. The logistics distribution vehicle comprises the chassis. The utility model provides a chassis and commodity circulation delivery car has improved and has turned to the performance, and whole bearing capacity is strong, uses the durability strong, and simple structure is nimble, and is with low costs, and structural strength is big, simultaneously, possesses a plurality of tie points with the frame, has strengthened the joint strength of front axle and frame, has guaranteed driving safety, has reduced commodity circulation delivery loss risk, accords with the requirement of new generation commodity circulation delivery car.
Description
Technical Field
The utility model relates to a logistics distribution technical field especially relates to a chassis and logistics distribution car.
Background
With the rise of electronic commerce, the proportion of online shopping in shopping modes of people is getting larger and larger, and the traditional logistics distribution vehicle cannot adapt to the gradually increased delivery amount to a certain extent, so that the driverless logistics distribution vehicle appears in the market for improving the distribution efficiency and relieving the distribution pressure of couriers.
However, most of the existing unmanned logistics distribution vehicles are agvs (automated Guided vehicles), which are composed of batteries, controllers and motors, and have single function. The chassis of current unmanned commodity circulation delivery car does not possess front suspension and rear suspension usually, even if possess, the front suspension is mostly double swing arm structure or leaf spring structure, and the structure of front suspension and rear suspension is complicated heavy, and is with high costs. In addition, the chassis has weak integral bearing capacity, poor use durability, single function, narrow application range and poor operation safety, and cannot meet the requirements of new generation logistics distribution vehicles.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, the utility model aims to provide a chassis and commodity circulation delivery car, simple structure is nimble, and is with low costs, and whole bearing capacity is strong, uses the strong durability.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a chassis, includes frame and front suspension, front suspension includes front axle and linking arm, the linking arm with connected to the frame, and with the front axle is connected, the linking arm is including the first arm, second arm, third arm and the fourth arm that connect gradually, first arm the second arm the third arm with the fourth arm forms M column structure jointly.
As the utility model discloses a preferred scheme on chassis, M column structure includes two first links and three second link, two first link is located the front end of M column structure, it is three the second link is located the rear end of M column structure, first link with the second link all with connected to the frame.
As the utility model discloses a preferred scheme on chassis, the frame includes the electrical apparatus storehouse, be provided with first mount pad on the preceding lateral wall in electrical apparatus storehouse, the second link with first mount pad is connected.
As the utility model discloses a preferred scheme on chassis, be connected with the installation sleeve on the second connecting end, first mount pad includes two otic placodes, the installation sleeve clamp is located two between the otic placode to through pivot through connection in two on the otic placode.
As the utility model discloses a preferred scheme on chassis, first arm with the front end of fourth arm all is provided with the extension of buckling downwards, the free end of extension does first link, preceding suspension still includes preceding bumper shock absorber, the extension passes through preceding bumper shock absorber with frame connection, the one end of preceding bumper shock absorber with first link is articulated, the other end with frame connection.
As the utility model discloses a preferred scheme on chassis, the chassis still includes the rear suspension, the rear suspension includes rear axle and many link assembly, many link assembly includes first pole, second pole, third pole and fourth pole, first pole the second pole the third pole with the one end of fourth pole all with connected to the frame, the other end all with the rear axle rotates to be connected, first pole the second pole the third pole with the fourth pole with the tie point of frame is four summits of isosceles trapezoid.
As the utility model discloses an optimal scheme on chassis, the length of second pole does 1.5 of the length of first pole is doubly, the length of fourth pole does 1.5 of the length of third pole is doubly, first pole with the third pole with the axial contained angle of rear axle is 110, the second pole with the fourth pole with the axial contained angle of rear axle is 55.
As the preferred scheme of the utility model discloses a chassis, the rear suspension still includes the stabilizer bar, the stabilizer bar one end with the rear axle connects, the other end be configured into with the frame connection.
As the utility model discloses a preferred scheme on chassis, the frame is including bearing the frame, the rear portion that bears the frame is provided with the hanging beam, be provided with the third mount pad on the hanging beam, the third mount pad is configured to the installation the stabilizer bar of back suspension.
A logistics distribution vehicle comprises the chassis.
The utility model has the advantages that:
the chassis and the logistics distribution vehicle provided by the utility model comprise a frame and a front suspension, compared with the chassis of the logistics distribution vehicle without the front suspension in the prior art, the steering performance is improved, the whole bearing capacity is strong, the durability in use is strong, the front suspension comprises a front axle and a connecting arm, the connecting arm is connected with the frame, and is connected with the front axle, the connecting arm comprises a first arm, a second arm, a third arm and a fourth arm which are connected in sequence, the first arm, the second arm, the third arm and the fourth arm form an M-shaped structure together, compared with the double-swing arm structure or the steel plate spring structure in the prior art, the M-shaped structure has strong bearing capacity, simple and flexible structure, low cost and large structural strength, meanwhile, the front axle has a plurality of connection points with the frame, so that the connection strength between the front axle and the frame is enhanced, the driving safety is ensured, the logistics distribution loss risk is reduced, and the requirements of a new generation of logistics distribution vehicle are met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a top view of a chassis provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a chassis according to an embodiment of the present invention;
FIG. 3 is a first isometric view of a vehicle frame provided in accordance with an embodiment of the present invention;
FIG. 4 is a second isometric view of the vehicle frame provided by an embodiment of the present invention;
FIG. 5 is a third isometric view of a vehicle frame provided in accordance with an embodiment of the present invention;
fig. 6 is a first isometric view of a front suspension provided in accordance with an embodiment of the present invention;
fig. 7 is a bottom view of a front suspension according to an embodiment of the present invention;
FIG. 8 is a second isometric view of a front suspension provided in accordance with an embodiment of the present invention;
fig. 9 is a schematic structural view of a rear suspension according to an embodiment of the present invention;
figure 10 is a top view of a rear suspension provided in an embodiment of the present invention.
In the figure:
1-a vehicle frame; 2-front suspension; 3-rear suspension;
11-an electrical appliance cabin; 12-a carrier; 13-an anti-collision protection structure;
111-a first mount; 112-a second mount; 113-a steering gear mount; 1131-installation of inclined plane;
121-cantilever beam; 1211-third mount; 122-a mounting plate; 123-installing a lifting lug; 124-a mounting bracket; 125-reinforcing oblique beams.
21-front axle; 22-a linker arm; 23-a front shock absorber; 24-ball pair; 25-a first link; 26-a second link; 211-a guide;
221-a first arm; 222-a second arm; 223-third arm; 224-a fourth arm; 225-an extension; 226-mounting the sleeve; 227-U-shaped bolt; 228-a reinforcement plate; 229-a reinforcing cross arm;
31-rear axle; 32-a multi-link assembly; 33-a stabilizer bar; 34-a rear shock absorber; 35-a connecting sleeve;
311-fourth mount; 312-a fifth mount; 313-a sixth mount; 314-seventh mount;
321-a first rod; 322-a second rod; 323-third bar; 324-fourth bar;
100-a front wheel hub; 200-a steering gear; 300-rear wheel hub.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to 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 or a removable 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 in specific cases to those skilled in the art.
The embodiment provides a chassis, can be arranged in unmanned logistics distribution car, can be applicable to commodity circulation, express delivery, the selling goods under scenes such as factory, garden, school district, be applicable to the short distance logistics transportation of closed scene, and the goods of transportation has little, light characteristics, and the service object is masses resident. As shown in fig. 1 to 10, the chassis includes a frame 1, a front suspension 2 and a rear suspension 3, and further includes a power system, an electronic steering system, an electronic braking system and an electric control system.
As shown in fig. 3-5, the frame 1 includes an electrical compartment 11, a carrier frame 12 and two crash protection structures 13. The electrical cabinet 11 is configured to accommodate electrical components, a first mounting seat 111 (shown in fig. 3) is disposed on a front side wall of the electrical cabinet 11, the first mounting seat 111 is configured to mount the front suspension 2, a second mounting seat 112 (shown in fig. 4) is disposed on a rear side wall of the electrical cabinet 11, and the second mounting seat 112 is configured to mount the rear suspension 3. The carrier 12 is connected to the electric compartment 11 and configured to carry a vehicle compartment, and the two crash protection structures 13 are respectively connected to front and rear ends of the carrier 12.
In this embodiment, the electrical cabin 11 may be made of a steel plate, and a steel pipe is reinforced on the side wall, and the bearing frame 12 may be made of a steel pipe, so that the weight is light and the bearing capacity is strong. Can set up pressure sensor on the anticollision protective structure 13, touch the pressure signal of barrier through pressure sensor perception to send to the controller, and time control carries out the brake.
In order to enhance the connection strength of the front suspension 2, optionally, as shown in fig. 3, three first mounting seats 111 are provided, and the three first mounting seats 111 are arranged side by side and at intervals on the front side wall of the electrical cabinet 11. In the present embodiment, the first mounting seat 111 adopts two spaced ear plate structures, and the front suspension 2 can be hinged with the two ear plate structures through a sleeve.
In order to enhance the connection strength of the rear suspension 3, optionally, as shown in fig. 4, four second mounting seats 112 are provided, and four second mounting seats 112 are distributed on the rear side wall of the electrical cabinet 11 along four vertexes of an isosceles trapezoid. In the present embodiment, the second mounting seat 112 adopts two spaced ear plate structures, and the rear suspension 3 can be hinged with the two ear plate structures through a sleeve. Because four second mount pads 112 distribute along four summits of isosceles trapezoid, the structural atress is reasonable, and it is good to use the durability.
To facilitate mounting of the stabilizer bar 33 of the rear suspension 3, optionally, a rear portion of the carrier 12 is provided with a suspension beam 121, the suspension beam 121 is provided with a third mounting seat 1211, and the third mounting seat 1211 is configured to mount the stabilizer bar 33 of the rear suspension 3. In this embodiment, the third mount 1211 has two spaced ear plate structures, and the stabilizer bar 33 of the rear suspension 3 can be hinged to the two ear plate structures through a sleeve.
To facilitate the arrangement of the electric steering system, optionally, the front portion of the carrier 12 is provided obliquely with a mounting plate 122, the mounting plate 122 being configured to mount the electric steering system. The mounting plate 122 is provided with a hole for penetrating through a transmission arm of the electronic steering system. To facilitate the arrangement of the steering gear 200, optionally, the frame 1 further includes a steering gear mounting seat 113, the steering gear mounting seat 113 is disposed at the bottom of the front side wall of the electrical cabin 11 and configured to mount the steering gear 200 of the front suspension 2, and a mounting inclined surface 1131 is disposed on the steering gear mounting seat 113, and the mounting inclined surface 1131 is disposed opposite to the mounting plate 122. The mounting plate 122 and the steering mount 113 diversify the functions to which the vehicle frame 1 can be applied, and have a wide range of applications.
To facilitate the arrangement of the shock absorbers of the front and rear suspensions 2, 3, the loading ledge 12 is optionally provided with a plurality of mounting ears 123 (shown in fig. 5), the mounting ears 123 being configured to mount the shock absorbers of the front and rear suspensions 2, 3. The applicable functions of the frame 1 are diversified, and the application range is wide. To facilitate mounting of the shell, optionally, the front and rear ends of the carrier 12 are provided with mounting brackets 124, respectively, the mounting brackets 124 being configured to mount the shell. To enhance the carrying capacity of the loading frame 12, the frame 1 optionally further comprises a reinforcement beam 125, one end of the reinforcement beam 125 is connected to the side wall of the electrical cabinet 11, and the other end is connected to the loading frame 12.
As shown in fig. 6 to 8, the front suspension 2 includes a front axle 21 and a connecting arm 22. Wherein the end of the front axle 21 is configured to be hinged to the front wheel hub 100, the connecting arm 22 is configured to be connected to the frame 1 and to the front axle 21, the connecting arm 22 includes a first arm 221, a second arm 222, a third arm 223 and a fourth arm 224 connected in sequence, and the first arm 221, the second arm 222, the third arm 223 and the fourth arm 224 together form an M-shaped structure.
Compared with a double-swing-arm structure or a leaf spring structure in the prior art, the double-swing-arm structure has the advantages of strong bearing capacity, simple and flexible structure, low cost and high structural strength, and meanwhile, the double-swing-arm structure has a plurality of connection points with the frame 1, so that the connection strength of the front axle 21 and the frame 1 is enhanced, the driving safety is ensured, the logistics distribution loss risk is reduced, and the requirements of a new generation of logistics distribution vehicle are met.
To enhance the connection strength of the front axle 21 and the frame 1, optionally, the M-shaped structure includes two first connection ends and three second connection ends, the two first connection ends are located at the front end of the M-shaped structure, the three second connection ends are located at the rear end of the M-shaped structure, and the first connection ends and the second connection ends are both configured to be connected with the frame 1. Through setting up two first link and three second link five tie points altogether, strengthened front axle 21 and frame 1's joint strength, guaranteed driving safety, reduced logistics distribution loss risk.
To facilitate the arrangement of the front shock absorber 23, optionally, the front ends of the first arm 221 and the fourth arm 224 are each provided with an extension portion 225 bent downward, and the free end of the extension portion 225 is a first connection end. Optionally, the front suspension 2 further comprises a front shock absorber 23, the extension portion 225 is connected to the frame 1 through the front shock absorber 23, one end of the front shock absorber 23 is hinged to the first connection end, and the other end is connected to the frame 1. Specifically, the extension 225 is connected to the mounting lug 123 of the frame 1 through the front shock absorber 23. Through the cushioning effect of front shock absorber 23, can effectively cushion the impact force of front axle 21 between to frame 1 to the complicated road conditions of adaptation have reduced logistics distribution loss risk.
In order to conveniently connect the second connection end with the vehicle frame 1, optionally, a mounting sleeve 226 is connected to the second connection end, a first mounting seat 111 is provided on the vehicle frame 1, the first mounting seat 111 includes two ear plates, and the mounting sleeve 226 is clamped between the two ear plates and is connected to the two ear plates through a shaft pin.
In order to accommodate the compression deformation of front shock absorber 23, first arm 221 and fourth arm 224 need to be rotatably connected to front axle 21, and optionally, front axle 21 is provided with guide 211, guide 211 is provided with an arc-shaped groove matched with the outer peripheral wall of front axle 21, and first arm 221 and fourth arm 224 are rotatably connected to front axle 21 through guide 211. The guide 211 may be in a structural form that two side plates of the channel steel are provided with arc-shaped grooves by penetrating and connecting the guide 211 and the first arm 221 (or the fourth arm 224) through bolts.
In order to press the first arm 221 (or the fourth arm 224) against the guide 211, optionally, the first arm 221 and the fourth arm 224 are further connected to the front axle 21 by a U-bolt 227, the front axle 21 penetrates through the bent portion of the U-bolt 227, a reinforcing plate 228 is connected to the first arm 221 and the fourth arm 224, and the end portion of the U-bolt 227 is connected to the reinforcing plate 228. The reinforcing plate is located on the side (or the fourth arm 224) facing away from the guide 211, and two U-bolts 227 are provided on both sides of the guide 211.
To facilitate steering, the front suspension 2 further comprises a first link 25 and a second link 26 connected by a ball pair 24, the first link 25 is configured to drive the front wheel hub 100 to rotate relative to the front axle 21 to achieve steering, and the second link 26 is configured to be connected with an output shaft of the steering gear 200 to provide a driving force for the first link 25.
To reinforce the structural strength of the linking arm 22 itself, the linking arm 22 optionally further comprises two strengthening cross-arms 229, one of the strengthening cross-arms 229 fixedly connecting the first arm 221 and the second arm 222, and the other strengthening cross-arm 229 fixedly connecting the third arm 223 and the fourth arm 224. Of course, in other embodiments, the first arm 221, the second arm 222, the third arm 223 and the fourth arm 224 may be fixedly connected in sequence by an entire reinforcing crossbar 229.
As shown in fig. 9 and 10, the rear suspension 3 includes a rear axle 31 and a multi-link assembly 32. Wherein, the end of the rear axle 31 is configured to be connected with the rear wheel hub 300, the multi-link assembly 32 includes a first rod 321, a second rod 322, a third rod 323 and a fourth rod 324, one end of each of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 is configured to be connected with the frame 1, and the connection of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 with the frame 1 can be implemented by using a connection sleeve 35 and a shaft pin. Specifically, one end of each of the first rod 321, the second rod 322, the third rod 323, and the fourth rod 324 is connected to the second mounting seat 112 of the frame 1. The other ends of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 are rotatably connected with the rear axle 31, the connection points of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 and the frame 1 are four vertexes of an isosceles trapezoid, the structure is symmetrical, the stress is uniform, the bearing capacity is strong, the structure is simple and flexible, the cost is low, the structural strength is high, meanwhile, the connection points of the plurality of connection points with the frame 1 are provided, the connection strength of the rear axle 31 and the frame 1 is enhanced, the driving safety is ensured, the logistics distribution loss risk is reduced, and the requirements of a new generation of logistics distribution vehicle are met.
To ensure optimal stressing of the multi-link assembly 32, optionally, the length of the second rod 322 is 1.5 times the length of the first rod 321, and the length of the fourth rod 324 is 1.5 times the length of the third rod 323. To further ensure optimal stress of the multi-link assembly 32, the first rod 321 and the third rod 323 may optionally have an axial angle of 110 ° with the rear axle 31, and the second rod 322 and the fourth rod 324 may optionally have an axial angle of 55 ° with the rear axle 31.
To facilitate the installation of the first rod 321 and the second rod 322, optionally, a fourth installation seat 311 is provided on the rear axle 31, and the first rod 321 and the second rod 322 are respectively rotatably installed on the fourth installation seat 311. In this embodiment, the fourth mounting seat 311 is a channel steel, two side plates of the channel steel are provided with a total of four holes, and one end of the first rod 321 or the second rod 322 is rotatably connected to the fourth mounting seat 311 through the connecting sleeve 35 and the shaft pin. Fourth mounting seat 311 may be fixedly connected to rear axle 31 by a bolt, or may be welded to rear axle 31.
To facilitate mounting of the third rod 323 and the fourth rod 324, optionally, a fifth mounting seat 312 is disposed on the rear axle 31, the fifth mounting seat 312 is spaced from the fourth mounting seat 311, and the third rod 323 and the fourth rod 324 are respectively rotatably mounted on the fourth mounting seat 311. In the present embodiment, the fifth mount 312 is similar in structure to the fourth mount 311.
To improve the stability of the rear axle 31, the rear suspension 3 optionally further comprises a stabilizer bar 33, one end of the stabilizer bar 33 being connected with the rear axle 31 and the other end being configured to be connected with the frame 1. Specifically, the other end of the stabilizer bar 33 is connected to the third mount 1211 of the suspension member 121 of the vehicle frame 1. To facilitate mounting of the stabilizer bar 33, a sixth mounting seat 313 is optionally vertically disposed on the rear axle 31, and one end of the stabilizer bar 33 is rotatably mounted on the sixth mounting seat 313. Sixth mounting seat 313 may be fixedly connected to rear axle 31 by bolts, or may be welded to rear axle 31.
To improve the shock absorbing performance, the rear suspension 3 further includes two rear shock absorbers 34 disposed at an interval, and one end of the rear shock absorber 34 is connected to the rear axle 31 and the other end is configured to be connected to the frame 1. Specifically, the other end of the rear shock absorber 34 is connected to the mounting lug 123 of the frame 1. To facilitate the installation of the rear shock absorber 34, a seventh mounting seat 314 is optionally provided on the rear axle 31, and one end of the rear shock absorber 34 is rotatably mounted on the seventh mounting seat 314.
The chassis provided by the embodiment comprises a frame 1, a front suspension 2 and a rear suspension 3. Frame 1 includes electrical apparatus storehouse 11, bear frame 12 and two anti-collision protection structures 13, electrical apparatus storehouse 11 is used for holding electrical apparatus spare part, can provide the environmental guarantee to electrical apparatus spare part's safety and stability operation, be provided with first mount pad 111 on electrical apparatus storehouse 11's the preceding lateral wall, first mount pad 111 is used for installing front suspension 2, be provided with second mount pad 112 on electrical apparatus storehouse 11's the rear side wall, second mount pad 112 is used for installing rear suspension 3, can install before, rear suspension 3, satisfy higher road conditions requirement, and the function is various, and application scope is wide. The bearing frame 12 is connected to the electrical cabinet 11 and used for bearing the carriage, so that the bearing capacity of the frame 1 is enhanced, and the service durability is good. Two anti-collision protection structures 13 are connected respectively in the front and back both ends of bearing frame 12, have improved the safety and stability of operation.
The rear suspension 3 comprises a rear axle 31 and a multi-link assembly 32, the end of the rear axle 31 is used for being connected with a rear wheel hub 300, the multi-link assembly 32 comprises a first rod 321, a second rod 322, a third rod 323 and a fourth rod 324, one ends of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 are all used for being connected with the frame 1, the other ends of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 are rotatably connected with the rear axle 31, the connection points of the first rod 321, the second rod 322, the third rod 323 and the fourth rod 324 and the frame 1 are four vertexes of an isosceles trapezoid, the structure is symmetrical, the stress is uniform, the bearing capacity is strong, the structure is simple and flexible, the cost is low, the structural strength is high, meanwhile, the connection points of the rear axle 31 and the frame 1 are provided, the connection strength of the rear axle 31 and the frame 1 is enhanced, the driving.
The embodiment also provides a logistics distribution vehicle, which comprises the chassis, and has the advantages of strong bearing capacity, simple and flexible structure, low cost and high structural strength, the driving safety is ensured, the logistics distribution loss risk is reduced, and the requirements of a new generation of logistics distribution vehicles are met.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A chassis is characterized by comprising a frame (1) and a front suspension (2), wherein the front suspension (2) comprises a front axle (21) and a connecting arm (22), the connecting arm (22) is connected with the frame (1) and is connected with the front axle (21), the connecting arm (22) comprises a first arm (221), a second arm (222), a third arm (223) and a fourth arm (224) which are sequentially connected, and the first arm (221), the second arm (222), the third arm (223) and the fourth arm (224) jointly form an M-shaped structure.
2. The chassis according to claim 1, wherein the M-shaped structure comprises two first connection ends and three second connection ends, the two first connection ends being located at a front end of the M-shaped structure and the three second connection ends being located at a rear end of the M-shaped structure, the first connection ends and the second connection ends being connected to the frame (1).
3. The chassis of claim 2, characterized in that the frame (1) comprises an electrical cabinet (11), a first mounting seat (111) is arranged on a front side wall of the electrical cabinet (11), and the second connecting end is connected with the first mounting seat (111).
4. The chassis of claim 3, wherein a mounting sleeve (226) is connected to the second connecting end, the first mounting seat (111) comprises two lug plates, and the mounting sleeve (226) is sandwiched between the two lug plates and is connected to the two lug plates through a shaft pin.
5. The chassis according to claim 2, wherein the front ends of the first arm (221) and the fourth arm (224) are provided with downward bent extension portions (225), the free ends of the extension portions (225) are the first connection ends, the front suspension (2) further comprises front shock absorbers (23), the extension portions (225) are connected with the frame (1) through the front shock absorbers (23), one ends of the front shock absorbers (23) are hinged with the first connection ends, and the other ends of the front shock absorbers are connected with the frame (1).
6. Chassis according to any of claims 1 to 5, characterized in that it further comprises a rear suspension (3), said rear suspension (3) comprising a rear axle (31) and a multi-link assembly (32), said multi-link assembly (32) comprising a first rod (321), a second rod (322), a third rod (323) and a fourth rod (324), said first rod (321), said second rod (322), said third rod (323) and said fourth rod (324) being connected at one end to a frame (1) and at the other end to said rear axle (31) in a rotating manner, the connection points of said first rod (321), said second rod (322), said third rod (323) and said fourth rod (324) to said frame (1) being the four vertices of an isosceles trapezoid.
7. Chassis according to claim 6, characterized in that the length of the second bar (322) is 1.5 times the length of the first bar (321), the length of the fourth bar (324) is 1.5 times the length of the third bar (323), the axial angle between the first bar (321) and the third bar (323) and the rear axle (31) is 110 °, and the axial angle between the second bar (322) and the fourth bar (324) and the rear axle (31) is 55 °.
8. Chassis according to claim 6, characterized in that the rear suspension (3) further comprises a stabilizer bar (33), the stabilizer bar (33) being connected at one end with the rear axle (31) and at the other end configured to be connected with the frame (1).
9. Chassis according to claim 8, characterized in that the frame (1) comprises a carrier (12), the rear part of the carrier (12) being provided with a suspension beam (121), the suspension beam (121) being provided with a third mounting (1211), the third mounting (1211) being configured to mount a stabilizer bar (33) of the rear suspension (3).
10. A logistics distribution vehicle comprising a chassis according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922407199.0U CN211308733U (en) | 2019-12-27 | 2019-12-27 | Chassis and commodity circulation delivery car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922407199.0U CN211308733U (en) | 2019-12-27 | 2019-12-27 | Chassis and commodity circulation delivery car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211308733U true CN211308733U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922407199.0U Active CN211308733U (en) | 2019-12-27 | 2019-12-27 | Chassis and commodity circulation delivery car |
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| CN (1) | CN211308733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071563A (en) * | 2021-05-08 | 2021-07-06 | 上海济驭科技有限公司 | Frame for unmanned drive-by-wire chassis |
-
2019
- 2019-12-27 CN CN201922407199.0U patent/CN211308733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071563A (en) * | 2021-05-08 | 2021-07-06 | 上海济驭科技有限公司 | Frame for unmanned drive-by-wire chassis |
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