CN110154860A - Unmanned express delivery vehicle - Google Patents
Unmanned express delivery vehicle Download PDFInfo
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- CN110154860A CN110154860A CN201910150691.6A CN201910150691A CN110154860A CN 110154860 A CN110154860 A CN 110154860A CN 201910150691 A CN201910150691 A CN 201910150691A CN 110154860 A CN110154860 A CN 110154860A
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- panel
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- express delivery
- front wall
- ball bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
- B60G3/04—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of unmanned express delivery vehicles, belong to the technical field of modern logistics.Unmanned express delivery vehicle of the invention includes chassis and vehicle body, and vehicle body is made of epoxy resin composite material.Chassis includes preceding bridge, rear axle, front suspension system and rear-suspension system, and the two sides of preceding bridge and rear axle are separately connected front and back wheel；And two spacing between front-wheel, rear-wheel are less than 700mm.Front suspension system includes first three angle arm, and ball bearing is arranged at the apex angle of first three angle arm and two base angles, and apex angle is connect by ball bearing and preceding bridging, and two base angles are connect by ball bearing with lower plate；Rear-suspension system includes Vee formation arm, and ball bearing is arranged at the apex angle of Vee formation arm and two base angles, and two base angles are connect by ball bearing with rear axle, and apex angle is connect by ball bearing with lower plate.Unmanned express delivery vehicle of the invention realizes lightweight, has good structural strength and biggish memory space；And inclination of vehicle angle is improved, the driving safety of bumpy sections is effectively reduced.
Description
Technical field
The present invention relates to the technical fields of modern logistics, it is more particularly related to a kind of unmanned express delivery vehicle.
Background technique
Under the dual promotion of economic globalization and e-commerce, logistics is rapid from traditional logistics to modern logistics
Make the transition and become the trend of current Logistics Developing.Modern logistics refer to by information, transport, storage, inventory, handling with
And a kind of novel integrated management that the logistics activities such as packaging integrate, task are the assemblies for reducing logistics as far as possible
This, is with most economical expense, the process that article to demand is shifted from supply.It mainly include transport, storage, processing,
Packaging, handling, dispatching and information processing etc. are movable.In order to solve the problems, such as the last one kilometer of logistics, artificial intelligence express delivery vehicle
Concept meet the tendency of, and relevant patented technology is also constantly disclosed, and Jingdone district and only product can all have been introduced nobody and drive at home
Sail express delivery vehicle.But the prior art primarily focuses on network communication, management and intelligent operation of manipulator etc..And this hair
It is bright to be dedicated to providing the unmanned express delivery bassinet structure of a kind of light-weighted vehicle body and improved overturning-preventing.
Summary of the invention
For the above-mentioned technical problems in the prior art, the purpose of the present invention is to provide a kind of unmanned express deliveries
Vehicle.
To achieve the goals above, the first aspect of the present invention provides a kind of unmanned express delivery vehicle.
Unmanned express delivery vehicle of the invention, including chassis and the vehicle body being arranged on the chassis, it is characterised in that: institute
Vehicle body is stated to be made of epoxy resin composite material.
Wherein, the vehicle body by inner top panel, preceding inner panel, rear inner panel, inner bottom plating, outer top panel, a left side goes along with sb. to guard him panel, face is gone along with sb. to guard him on the right side
The fixed bracket of plate, lower plate, front wall fixing support assembly, back wall, front wall mask assembly and back wall mask assembly grafting and gluing
It forms.
Wherein, the inner top panel, preceding inner panel, rear inner panel and inner bottom plating form interior of body frame；Go along with sb. to guard him panel in the left side
The left and right sides that panel is separately positioned on the interior of body frame is gone along with sb. to guard him with the right side；The front wall fixing support assembly is arranged preceding
On the outside of inner panel, the front wall mask assembly is fixed in the front wall fixing support assembly；The fixed bracket setting of the back wall exists
Afterwards on the outside of inner panel, the back wall mask assembly is fixed on the fixed bracket of the back wall；The outer top panel setting is enclosed on the left side
Protection slab, it is right go along with sb. to guard him panel, front wall mask assembly and back wall mask assembly upper end and fixed by gluing, and the left side is enclosed
Protection slab, the right side are gone along with sb. to guard him panel, the lower end of front wall mask assembly and back wall mask assembly and inner bottom plating gluing and are fixed；The lower plate
It is adhesive in below the inner bottom plating.
Wherein, the inner top panel, preceding inner panel, rear inner panel, inner bottom plating, outer top panel and lower plate are sandwich type stratiform epoxy
Composite material.
Wherein, panel is gone along with sb. to guard him on the left side, panel is gone along with sb. to guard him on the right side, front wall fixing support assembly, back wall fixed bracket, front wall mask
Assembly and back wall mask assembly are fibre-reinforced epoxy resin composite material.
Wherein, the front wall fixing support assembly is by front wall fixed bracket, front wall upper bracket, front wall left side brackets, front wall
Right side bracket and the grafting of front wall lower bracket simultaneously bond.
Wherein, the chassis includes preceding bridge, rear axle, front suspension system and rear-suspension system, the two sides connection of the preceding bridge
The two sides of front-wheel, the rear axle connect rear-wheel；And the spacing between two front-wheels and two rear-wheels is less than 700mm.
Wherein, the front suspension system includes first three angle arm, is provided at the apex angle of first three angle arm and two base angles
Ball bearing, the apex angle are connect by ball bearing and the preceding bridging, and described two base angles pass through ball bearing and lower plate
Connection；The rear-suspension system includes Vee formation arm, is provided with ball bearing at the apex angle of the Vee formation arm and two base angles,
Described two base angles are connect by ball bearing with the rear axle, and the apex angle is connect by ball bearing with lower plate.
Wherein, the line of the apex angle and two base angles of first three described angle arm and Vee formation arm constitutes isosceles triangle, and
First three described angle arm and Vee formation arm are in horizontally disposed.
Wherein, the front suspension system further includes the front damper assembly and front lower pull rod for being symmetricly set on the two sides Qian Qiao
Assembly；The rear overhang system further includes being symmetricly set on the rear shock absorber assembly of rear axle two sides and descending rod assembly afterwards；It is described
Front lower rod assembly is connect with rear lower rod assembly with the lower plate, and lower plate setting is total in the front damper
At on rear shock absorber assembly.
Compared with prior art, unmanned express delivery vehicle of the invention has the advantages that
(1) vehicle body not only realizes lightweight, but also is assembled in the form of grafting, splicing, simplify technique and
Assembling process, vehicle body have good structural strength and biggish memory space.
(2) chassis structure can make to pass through spherical axis within a certain angle during Vehicular turn and car body run-off the straight
The rotation held keeps the stabilization on chassis, to improve the inclination of vehicle angle and the driving safety in bumpy sections is effectively reduced
Property.
Detailed description of the invention
Fig. 1 is the overall structure diagram of unmanned express delivery vehicle of the invention.
Fig. 2 is the side view of unmanned express delivery vehicle of the invention.
Fig. 3 is the rearview of unmanned express delivery vehicle of the invention.
Fig. 4 is the vehicle body explosive view of unmanned express delivery vehicle of the invention.
Fig. 5 is the chassis bottom view of unmanned express delivery vehicle of the invention.
Fig. 6 is the CAD simulation drawing on the chassis of unmanned express delivery vehicle of the invention.
Specific embodiment
Unmanned express delivery vehicle of the invention is further elaborated below with reference to specific embodiment, to help ability
The technical staff in domain has more complete, accurate and deep understanding to inventive concept of the invention, technical solution.
Composite material becomes the main direction of development of modern logistics with its high specific strength characteristic.It is applied on vehicle at present
Composite material is answered more and more, commonly mainly has the materials such as polyurethane and epoxy resin, it is well known, however, that polyurethane is rigid
Property it is poor, and the impact resistance of epoxy resin is not ideal enough, is also needed from structure and material as body structural member further
It improves.
Recently as the fast development of modern logistics, delivery industry is rapidly developed, at present with artificial intelligence
Unpiloted express delivery vehicle becomes a kind of new express delivery Development Technology.For this purpose, the present invention provides one kind to have lightweight fiber
The unmanned express delivery vehicle on the chassis of the vehicle body and overturning-preventing of reinforced composite material.As shown in figures 1 to 6, of the invention nobody drives
Sail the vehicle body 10 that express delivery vehicle includes chassis 30 with is arranged on chassis 30.Specifically as shown in figure 4, the vehicle body 10 is by inner top panel
11, preceding inner panel 13, rear inner panel 14, inner bottom plating 12, outer top panel 17, panel 15 is gone along with sb. to guard him on a left side, panel 16 is gone along with sb. to guard him on the right side, lower plate 18, preceding
It encloses the fixed bracket 23 of fixing support assembly, back wall, front wall mask assembly 22 and 24 grafting of back wall mask assembly and gluing forms.Institute
Front wall fixing support assembly is stated by bracket 27 on the right side of the fixed bracket 21 of front wall, front wall upper bracket 25, front wall left side brackets 28, front wall
With 26 grafting of front wall lower bracket and bond.The inner top panel 11, preceding inner panel 13, rear inner panel 12 and inner bottom plating 12 form vehicle body
Inner frame；Panel 15 is gone along with sb. to guard him on a left side and the left and right sides that panel 16 is separately positioned on interior of body frame is gone along with sb. to guard him on the right side；Front wall is fixed
Bracket assembly setting is fixed in front wall fixing support assembly in preceding 13 outside of inner panel, front wall mask assembly 22；The fixed branch of back wall
The setting of frame 23 is fixed on the fixed bracket 23 of back wall in rear 14 outside of inner panel, back wall mask assembly 24；Panel 15 is gone along with sb. to guard him on a left side, the right side is enclosed
Protection slab 16, the upper end of front wall mask assembly 22 and back wall mask assembly 24 and outer top panel 17 are fixed by gluing, and a left side is enclosed
Protection slab 15, the right side are gone along with sb. to guard him panel 16, the lower end of front wall mask assembly and back wall mask assembly and inner bottom plating gluing and are fixed；Under described
Bottom plate 18 is adhesive in 12 lower section of inner bottom plating.Inner top panel 11, preceding inner panel 13, rear inner panel 14, inner bottom plating 12, outer top panel 17 and lower plate
18 be sandwich type stratiform epoxy composite material, and the other component of vehicle body is the epoxy resin composite wood of reinforcing fiber enhancing
Material.The body structure is assembled in the form of grafting, splicing, convenient to simplify technique and assembling process, and is had good
Structural strength and biggish memory space, body material there is certain energy absorption capacity, and realize the lightweight of vehicle body.Nothing
People drives express delivery vehicle no setting is required car door, can go along with sb. to guard him panel on a left side and the right side goes along with sb. to guard him and window is arranged on panel, for picking and placing article.Such as
Shown in Fig. 5-6, the chassis 30 includes preceding bridge 30, rear axle 50, front suspension system 40 and rear-suspension system 60, the two sides of preceding bridge 30
Front-wheel 31 is connected, the two sides of rear axle 50 connect rear-wheel 51.Spacing between two front-wheels, 31, two rear-wheels 51 is respectively less than 700mm.
The front suspension system 40 includes first three angle arm 41, is provided with ball bearing 42 at the apex angle of first three angle arm 41 and two base angles,
Apex angle 42 is connect by ball bearing 42 with preceding bridge 30, and two base angles are connect by ball bearing 42 with lower plate 18.Rear suspension
System 60 includes Vee formation arm 61, and ball bearing 62 is provided at the apex angle of Vee formation arm 61 and two base angles, and two base angles are logical
It crosses ball bearing 62 to connect with rear axle 50, apex angle is connect by ball bearing 62 with lower plate 18.First three described angle arm 41 is with after
The apex angle of Triangular Arm 61 and the line at two base angles constitute isosceles triangle, and first three angle arm 41 and Vee formation arm 61 are in level
Setting.Front suspension system 40 further includes the front damper assembly 43 and front lower rod assembly of 30 two sides of bridge before being symmetricly set on
45, it further include the front arm assembly 44 being arranged on preceding bridge 30.Rear overhang system 60 further includes being symmetricly set on 50 two sides of rear axle
Rear shock absorber assembly 63 and afterwards lower rod assembly 64；Front lower rod assembly 45 connects with lower rod assembly 64 afterwards with lower plate 18
It connects, and lower plate 18 is arranged on front damper assembly and 43 rear shock absorber assemblies 63.
And in the prior art, integral bridge type suspension, such as Toyota's Prado chassis are generallyd use for unmanned express delivery vehicle
Using rear four link type dependent suspended structure, each two of pull rod or so up and down therein, main function is: 1) fixed rear axle
Longitudinal (front and back) position；2) the axial rotation of rear axle is limited；The effect of throw-out lever is to inhibit the sideshake of rear axle and vehicle body.And
In the present invention, by taking rear overhang system as an example, rear lower pull rod and Vee formation arm (being equipped with ball bearing at apex angle and base angle)
Effect be: 1) longitudinal direction (front and back) position of fixed rear axle；2) the axial rotation of rear axle is limited；And Vee formation arm also acts
The effect of throw-out lever inhibits the sideshake of rear axle and vehicle body.Therefore, Vee formation arm instead of traditional two upper drag links and
The effect of throw-out lever simplifies in structure, and cost reduces.In addition, traditional throw-out lever arrangement desired size is long as far as possible, thus
Movement interference, but unmanned express delivery vehicle of the invention can be eliminated above and below tire in jump process by the rubber bushing at throw-out lever both ends
Wheelspan very little (is less than 700mm), so that very big limits the size of throw-out lever, original rubber bushing can not be eliminated well
Because of the movement interference above and below tire in jump process, but Triangular Arm be while can play the role of throw-out lever, there is no because
The movement interference generated in jump process above and below tire.And front overhang system also plays similar effect and effect.So that of the invention
Chassis structure can make during Vehicular turn and car body run-off the straight within a certain angle by the rotation of ball bearing
The stabilization for keeping chassis, to improve the inclination of vehicle angle and the driving safety in bumpy sections is effectively reduced.
In the present invention, inner top panel, preceding inner panel, rear inner panel, inner bottom plating, outer top panel and lower plate are sandwich type stratiform ring
O compoiste material.The specific example non-limiting as one, the sandwich type stratiform epoxy composite material includes polyurethane
Core material, and the epoxy resin surface layer comprising glass fibre of polyurethane core surfaces is set.It is designed according to configuration, in advance will
The polyurethane core material of cladding glass fibre is set in advance in mold, then by injecting composition epoxy resin and solidifying
It arrives.The glass fibre of cladding is the fiberglass gridding cloth of pre-preg processing, and fiberglass gridding cloth is for example, by using alkali-free glass
Glass fiber or medium-alkali glass fibre.The treatment fluid of the pre-preg processing is, for example, by the isocyanic acid of the sealing end of 1.0~5.0wt%
Ester prepolymer, the phosphate of 0.5~3.0wt%, the silane coupling agent of 1.0~5.0wt% and surplus solvent composition processing
Liquid.The fiberglass gridding cloth is immersed in the treatment fluid and takes out in 1~20 second, can 50~120 DEG C temperature range into
Row is dried.Specifically, the isocyanate prepolymer be diisocyanate and average molecular weight be 300~1500 it is poly-
The reaction addition product of ether dihydric alcohol.Common toluene di-isocyanate(TDI) (TDI), two isocyanide of diphenyl-methane may be selected in diisocyanate
Acid esters (MDI).For toluene di-isocyanate(TDI) (TDI), there are 2,4- toluene di-isocyanate(TDI) (2,4-TDI) and 2,6- toluene two
Two kinds of isomers of isocyanates (2,6-TDI), usually used is the mixture of the two.For '-diphenylmethane diisocyanate
(MDI), there are 4,4'- '-diphenylmethane diisocyanate, 2,4'- '-diphenylmethane diisocyanate, 2,2'- diphenyl-methane, two isocyanide
The isomers such as acid esters.Polyether Glycols can use common polyoxypropyleneglycol (PPG), such as PPG-400, PPG-600,
PPG-700, PPG-1000, PPG-1500 etc..Diisocyanate after the dehydration of above-mentioned polyether Glycols with metering is heated to instead
Answer thermotonus certain time that the isocyanate prepolymer of the sealing end can be obtained.Phosphate for example can choose phosphoric acid first
A small amount of phosphate and isocyanates will be added in oxygroup ethyl ester, phosphoric acid ethoxy ethyl ester, phosphoric acid propoxy ethyl etc. in treatment fluid
Prepolymer and silane coupling agent are used cooperatively the adhesion property that can be improved between fiberglass gridding cloth and polyurethane core material
And then the mechanical property of composite material can be improved, especially improve impact resistance.The silane coupling agent can choose amino
Silane, epoxy radicals silicone hydride, hydrosulphonyl silane, vinyl silanes, methacryloxypropyl silane etc., preferably amino silane, such as
KH550, KH792 etc..The polyurethane core material is hard polyurethane foams core material, the preferably described hard polyurethane foams core material
Density is 800kg/m3~1100kg/m3, highdensity hard polyurethane foams core material hardness with higher, and chemically-resistant
Product function admirable can pass through commercially available acquisition.This hard polyurethane foams core material is different by polyether polyol, diphenyl methane two
Cyanate (also known as PAPI, thick MDI, polymeric MDI) reacts in the presence of the auxiliary agents such as foaming agent, foam stabiliser, catalyst
Prepared by.Polyether polyol can choose the polyoxypropylene polyol of high functionality, high hydroxyl value, and degree of functionality is preferably 3~
8, hydroxyl value is generally 350~650mgKOH/g.It can be played using foam stabiliser and stablize, be homogenized foam, improve foam closed pore
Rate, the foam stabiliser for hard polyurethane foams generally select the block copolymerization of dimethyl silicone polymer Yu polyoxygenated alkene
Object.Catalyst can use triethylenediamine, triethanolamine, dimethylethanolamine, tetramethylethylened, dimethylbenzyl
Amine, tetramethyl butane diamine, N, one or more of N- dimethyl cyclohexyl amine etc., it is preferred to use two or more.It can adopt
With the hard polyurethane foams core material in the conventional casting foam process preparation present invention.The thickness of polyurethane core material is preferably
5mm~100mm；In the present invention, the epoxy resin surface layer with a thickness of 0.5mm~20mm, preferably 0.5mm~10mm.
The composition epoxy resin is made of component A and B component.Component A for example can by bisphenol A type epoxy resin,
Ammonia phenolic group trifunctional epoxy resin and reactive diluent composition.For example, bisphenol type epoxy of the component A by 61~70 parts by weight
The reactive diluent of resin, the ammonia phenolic group trifunctional epoxy resin of 5~12 parts by weight and 15~25 parts by weight forms.Asphalt mixtures modified by epoxy resin
The reactive diluent of rouge means the low molecule epoxide containing epoxy group, and the solidification that can participate in epoxy resin is anti-
It answers, constitutes cross linking of epoxy resin network structure.The reactive diluent can be the activity dilution of monocycle oxygroup and bicyclic oxygroup
Agent.Monocycle oxygroup reactive diluent for example can choose phenyl glycidyl ether (PGE), allyl glycidyl ether (AGE), just
Butyl glycidyl ether (BGE), glycidyl methacrylate (GMA) etc..The bicyclic oxygroup reactive diluent for example may be used
To select diglycidylaniline (DGA), butanediol diglycidyl ether (BDGE), polyethanol diglycidyl ether
(PGEGE), diglycidyl ether (DGE) etc..The preferably mixed active diluent of monocycle oxygroup and bicyclic oxygroup.The B group
Point by ring grease amine curing agent (such as isophorone diamine IPDA), 4,4 ,-dihydroxybiphenyl (DOD) and imidazoles curing accelerator
Composition.For example, ring grease amine curing agent of the B component by 20~25 parts by weight, the 4 of 1.5~5.0 parts by weight, 4 ,-dihydroxy
The imidazoles curing accelerator of biphenyl (DOD) and 0.1~2.0 parts by weight.Imidazoles curing accelerator be contain in molecular structure there are two
The five-membered aromatic heterocyclic compounds of meta position nitrogen-atoms, a nitrogen-atoms constitute secondary amine, another nitrogen-atoms constitutes tertiary amine, thus miaow
Azole curing accelerator has the catalyst of tertiary amine and secondary amine concurrently simultaneously, can promote in amine/epoxy resin system
Curing reaction and acquisition have the epoxy resin of excellent mechanical performance at lower temperature.The imidazoles curing accelerator for example may be used
To select 2-methylimidazole (2MZ), 2- ethyl imidazol(e) (2EI), 2- phenylimidazole (2PZ), 2-ethyl-4-methylimidazole
(2E4MZ), 1- cyanoethyl -2-ethyl-4-methylimidazole (2E4MZ-CN) etc..By adding suitable ammonia phenolic group in component A
Trifunctional epoxy resin, and 4 are added in B component, 4 ,-dihydroxybiphenyl can promote to form cross-meshed structure, into one
Step improves the durability and mechanical property of composite material.Aging process under conditions of temperature is 80 DEG C, relative humidity is 90%
120 hours, the tensile strength and bending strength of each composite sample, above-mentioned Sanming City are tested referring next to GB/T2567-2008
The tensile strength for controlling type stratiform epoxy composite material is usually 70~85MPa, and bending strength is 100~125MPa.
The other component of vehicle body is the epoxy resin composite material of reinforcing fiber enhancing, is by reinforcing fiber (such as carbon
Fiber or glass fibre) it is added in composition epoxy resin, such as the component A of above-mentioned composition epoxy resin can be added to
In, for example, component A is by the bisphenol A type epoxy resin of 61~70 parts by weight, the reinforcing fiber of 5~12 parts by weight, 5~12 weight
The ammonia phenolic group trifunctional epoxy resin of part and the reactive diluent composition of 15~25 parts by weight.And B component ingredient remains unchanged.
The aging process 120 hours under conditions of temperature is 80 DEG C, relative humidity is 90% is tested referring next to GB/T2567-2008
Tensile strength, bending strength and the impact strength of each composite sample, the epoxy resin composite wood of above-mentioned reinforcing fiber enhancing
The tensile strength of material is usually 50~60MPa, and bending strength is 60~90MPa.
To those skilled in the art, embodiment is only illustratively described the present invention, of the invention
By above-mentioned example embodiment is not limited for specific implementation, as long as using the technology that claim of the invention is contained
The improvement for the various unsubstantialities that conception and technical scheme carry out, or it is not improved by technical concept and technical solution of the invention
Other occasions are directly applied to, it is within the scope of the present invention.
Claims (10)
1. a kind of unmanned express delivery vehicle, including chassis and the vehicle body being arranged on the chassis, it is characterised in that: the vehicle body
It is made of epoxy resin composite material.
2. unmanned express delivery vehicle according to claim 1, it is characterised in that: the vehicle body by inner top panel, preceding inner panel, after
Inner panel, inner bottom plating, outer top panel, panel is gone along with sb. to guard him on a left side, panel is gone along with sb. to guard him on the right side, the fixed branch of lower plate, front wall fixing support assembly, back wall
Frame, front wall mask assembly and back wall mask assembly grafting and gluing form.
3. unmanned express delivery vehicle according to claim 2, it is characterised in that: the inner top panel, preceding inner panel, rear inner panel and
Inner bottom plating forms interior of body frame；Panel is gone along with sb. to guard him on the left side and the right side goes along with sb. to guard him panel and is separately positioned on the interior of body frame
The left and right sides；The front wall fixing support assembly is arranged on the outside of preceding inner panel, and the front wall mask assembly is fixed on the front wall
In fixing support assembly；The fixed bracket of the back wall is arranged on the outside of rear inner panel, the back wall mask assembly be fixed on it is described after
It encloses on fixed bracket；Outer top panel setting is panel is gone along with sb. to guard him on the left side, panel is gone along with sb. to guard him on the right side, front wall mask assembly and back wall mask
The upper end of assembly is simultaneously fixed by gluing, and panel is gone along with sb. to guard him on the left side, panel is gone along with sb. to guard him on the right side, front wall mask assembly and back wall mask
The lower end of assembly is fixed with inner bottom plating gluing；The lower plate is adhesive in below the inner bottom plating.
4. unmanned express delivery vehicle according to claim 2, it is characterised in that: the inner top panel, preceding inner panel, rear inner panel,
Inner bottom plating, outer top panel and lower plate are sandwich type stratiform epoxy composite material.
5. unmanned express delivery vehicle according to claim 2, it is characterised in that: panel is gone along with sb. to guard him on the left side, panel is gone along with sb. to guard him on the right side,
The fixed bracket of front wall fixing support assembly, back wall, front wall mask assembly and back wall mask assembly are the epoxy of reinforcing fiber enhancing
Resin composite materials.
6. unmanned express delivery vehicle according to claim 2, it is characterised in that: wherein, the front wall fixing support assembly
By bracket and the grafting of front wall lower bracket on the right side of the fixed bracket of front wall, front wall upper bracket, front wall left side brackets, front wall and bond and
At.
7. unmanned express delivery vehicle according to claim 1, it is characterised in that: the chassis includes preceding bridge, rear axle, front overhang
Frame system and rear-suspension system, the two sides of the preceding bridge connect front-wheel, and the two sides of the rear axle connect rear-wheel；And two front-wheels
And the spacing between two rear-wheels is less than 700mm.
8. unmanned express delivery vehicle according to claim 7, it is characterised in that: the front suspension system includes front triangle
Be provided with ball bearing at arm, the apex angle of first three angle arm and two base angles, the apex angle by ball bearing and it is described before
Bridging connects, and described two base angles are connect by ball bearing with lower plate；The rear-suspension system includes Vee formation arm, after described
Ball bearing is provided at the apex angle of Triangular Arm and two base angles, described two base angles pass through ball bearing and the rear bridging
It connects, the apex angle is connect by ball bearing with lower plate.
9. unmanned express delivery vehicle according to claim 8, it is characterised in that: the top of described first three angle arm and Vee formation arm
The line at angle and two base angles constitutes isosceles triangle, and first three described angle arm and Vee formation arm are in horizontally disposed.
10. unmanned express delivery vehicle according to claim 8, it is characterised in that: the front suspension system further includes symmetrical
The front damper assembly and front lower rod assembly of the two sides Qian Qiao are set；The rear overhang system further includes being symmetricly set on rear axle
The rear shock absorber assembly of two sides and rod assembly is descended afterwards；The front lower rod assembly and afterwards lower rod assembly and the lower plate
Connection, and the lower plate is arranged on the front damper assembly and rear shock absorber assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150691.6A CN110154860A (en) | 2019-02-28 | 2019-02-28 | Unmanned express delivery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150691.6A CN110154860A (en) | 2019-02-28 | 2019-02-28 | Unmanned express delivery vehicle |
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| Publication Number | Publication Date |
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| CN110154860A true CN110154860A (en) | 2019-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150691.6A Pending CN110154860A (en) | 2019-02-28 | 2019-02-28 | Unmanned express delivery vehicle |
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