CN111688811A - Frame assembly and sanitation car - Google Patents
Frame assembly and sanitation car Download PDFInfo
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- CN111688811A CN111688811A CN202010543218.7A CN202010543218A CN111688811A CN 111688811 A CN111688811 A CN 111688811A CN 202010543218 A CN202010543218 A CN 202010543218A CN 111688811 A CN111688811 A CN 111688811A
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- frame assembly
- longitudinal beam
- bearing structure
- longitudinal beams
- longitudinal
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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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a frame assembly and an environmental sanitation vehicle, relating to the technical field of automobile structures, wherein the frame assembly comprises: a first load bearing structure and a second load bearing structure; the first bearing structure is positioned at the front part of the frame assembly and comprises two first longitudinal beams which are arranged symmetrically left and right and connected with each other; the second bearing structure is positioned at the rear part of the frame assembly and comprises two second longitudinal beams which are arranged symmetrically left and right and connected; the lower part of the front end of one second longitudinal beam is correspondingly connected with the upper part of the rear end of one first longitudinal beam to form a ladder structure. The invention can effectively reduce the height of the floor of the cab and the height of the step of the cab, so that the operator can conveniently go up and down, the gravity center of the whole vehicle is reduced, the driving stability is improved, and the minimum steering radius of the whole vehicle is reduced.
Description
Technical Field
The invention relates to the technical field of automobile structures, in particular to a frame assembly and an environmental sanitation vehicle.
Background
With the continuous deepening of the urbanization process, the sanitation vehicle becomes an indispensable important public device as a special vehicle for tidying and cleaning urban appearance. Sanitation trucks are mainly classified into sprinkler trains and garbage truck trains.
The existing urban sanitation vehicle is generally formed by modifying a second-class vehicle, the frame is usually of a straight-through structure, the upper wing surface of the front end of the frame is higher than the ground, and a cab is installed at the front end of the frame, so that the ground clearance of the cab floor is at least more than 1 meter, 3-4 stages of steps are required to be arranged, and a driver and an operator can reach the cab floor through a plurality of stages of vertical steps.
Although most garbage trucks for recycling household garbage are generally provided with side mechanical arms, driving and cleaning operators of sanitation trucks still need to frequently get on and off the truck to complete garbage recycling operation, and since urban garbage collection points are generally close to each other, the driving and the cleaning operators need to get on and off the truck for 50-100 times in a working day, the working strength of the driving and the cleaning operators is increased, and the working efficiency of the driving and the cleaning operators is affected. In addition, the straight-through structure frame makes the vehicle focus too high, causes the stationarity of going poor, and whole car minimum steering radius is great.
Disclosure of Invention
The embodiment of the invention provides a frame assembly and an environmental sanitation vehicle, and aims to solve the technical problems that in the related technology, the ground clearance of the front end of a frame is high, on one hand, the efficiency of getting on and off a vehicle by workers is influenced, and on the other hand, the running stability of the vehicle is poor.
In a first aspect, a vehicle frame assembly is provided, comprising:
the first bearing structure is positioned at the front part of the frame assembly and comprises two first longitudinal beams which are arranged in a bilateral symmetry mode and connected with each other;
the second bearing structure is positioned at the rear part of the frame assembly and comprises two second longitudinal beams which are arranged symmetrically left and right and are connected; the lower part of the front end of one second longitudinal beam is correspondingly connected with the upper part of the rear end of one first longitudinal beam to form a ladder structure.
In some embodiments, each of the first stringers comprises a first upper airfoil surface, a first web, and a first lower airfoil surface, and each of the second stringers comprises a second web and a second lower airfoil surface; the second lower wing surface of one second longitudinal beam is correspondingly connected with the first upper wing surface of one first longitudinal beam to form the ladder structure;
the first breadth of each first longitudinal beam and the second breadth of the corresponding second longitudinal beam are vertically arranged in parallel at intervals, and the distance between the first breadths of the two first longitudinal beams is smaller than the distance between the second breadths of the two second longitudinal beams.
In some embodiments, the first upper airfoil surface of the first longitudinal beam is an outwardly bent airfoil surface, and the first lower airfoil surface is an inwardly bent airfoil surface.
In some embodiments, the first panel has a height that is less than a height of the second panel.
In some embodiments, a cab connecting front bracket and a cab connecting rear bracket are arranged on the outer sides of the two first longitudinal beams, the two cab connecting front brackets are arranged in a bilateral symmetry mode, and the two cab connecting rear brackets are arranged in an asymmetric mode.
In some embodiments, a front leaf spring front lifting lug and a front leaf spring rear lifting lug are arranged on the outer sides of the two first longitudinal beams, and the two front leaf spring front lifting lugs and the two front leaf spring rear lifting lugs are arranged in a left-right symmetrical mode.
In some embodiments, the rear ends of the inner sides of the two first longitudinal beams are provided with an engine front suspension bracket and an engine rear suspension bracket for mounting an engine, and the intersection point of the cross connecting line of the engine front suspension bracket and the engine rear suspension bracket is at the rear part of the frame zero line.
In some embodiments, the two first longitudinal beams are provided with a gearbox suspension bracket for mounting a gearbox at the inner rear end, and the gearbox suspension bracket is positioned at the rear part of the engine rear suspension bracket.
In some embodiments, a left front end of the first longitudinal beam on the left side of the first bearing structure is provided with a transition bracket for mounting a steering gear.
In a second aspect, a sanitation vehicle is provided, including the frame assembly of the above embodiments.
The embodiment of the invention provides a frame assembly and a sanitation vehicle, wherein a special-shaped frame with a stepped structure is adopted, a first bearing structure is lower than a second bearing structure, the floor height and the step height of a cab are effectively reduced, and workers can get on and off conveniently. Meanwhile, the special-shaped frame with the stepped structure is adopted, the gravity center of the whole vehicle is reduced after the whole vehicle is assembled, the running stability is improved, and the minimum steering radius of the whole vehicle is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a vehicle frame assembly provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a connection of two first stringers and a second stringer provided by an embodiment of the present invention;
FIG. 3 is a top view of FIG. 1;
in the figure: 1. a first load bearing structure; 11. a first stringer; 111. a first upper airfoil surface; 112. a first panel; 113. a first lower airfoil surface; 12. the cab is connected with the front bracket; 13. the cab is connected with the rear bracket; 14. a front lifting lug of the front plate spring; 15. a front plate spring rear lifting lug; 16. an engine front suspension bracket; 17. an engine rear suspension bracket; 18. a gearbox suspension bracket; 19. a traversing mechanism transition support; 2. a second load bearing structure; 21. a second stringer; 212. a second panel; 213. a second lower airfoil surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The embodiment of the invention provides a frame assembly, which can solve the technical problems that the ground clearance of the front end of the existing frame is high, on one hand, the getting-on and getting-off efficiency of workers is influenced, and on the other hand, the running stability of a vehicle is poor.
Referring to fig. 1 and 2, a frame assembly includes: a first load bearing structure 1 and a second load bearing structure 2.
The first bearing structure 1 is located at the front part of the frame assembly, and the first bearing structure 1 comprises two first longitudinal beams 11 which are arranged in a bilateral symmetry mode and are connected.
The second bearing structure 2 is positioned at the rear part of the frame assembly, and the second bearing structure 2 comprises two second longitudinal beams 21 which are arranged symmetrically left and right and are connected; the lower part of the front end of one second longitudinal beam 21 is correspondingly connected with the upper part of the rear end of one first longitudinal beam 11 to form a ladder structure. Wherein, the two first longitudinal beams 11 and the two second longitudinal beams 21 are connected through a plurality of cross beams.
Compared with the prior art, the frame assembly in the embodiment of the invention adopts the special-shaped frame with the ladder structure, the first bearing structure 1 is lower than the second bearing structure 2, the floor height and the step height of the cab are effectively reduced, and the operator can get on and off conveniently. Meanwhile, the special-shaped frame with the stepped structure is adopted, the gravity center of the whole vehicle is reduced after the whole vehicle is assembled, the running stability is improved, and the minimum steering radius of the whole vehicle is reduced.
Example 2
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 2, each first longitudinal beam 11 comprises a first upper airfoil surface 111, a first web 112 and a first lower airfoil surface 113, and each second longitudinal beam 21 comprises a second web 212 and a second lower airfoil surface 213; the second lower airfoil surface 213 of one second longitudinal beam 21 is correspondingly connected to the first upper airfoil surface 111 of one first longitudinal beam 11 to form a step structure. The first longitudinal beam 11 is lower than the second longitudinal beam 21 by the height of the end face of the cross beam, so that the height of the first bearing structure 1, namely the height of the bottom plate after the cab is installed, can be greatly reduced.
Further, the first breadth 112 of each first longitudinal beam 11 is vertically and parallelly arranged at a distance from the second breadth 212 of the corresponding second longitudinal beam 21, and the distance between the first breadth 112 of two first longitudinal beams 11 is smaller than the distance between the second breadth 212 of two second longitudinal beams 21. The first breadth 112 of each first longitudinal beam 11 is not in the same plane with the second breadth 212 of the corresponding second longitudinal beam 21, which is beneficial to realizing the low-entrance arrangement of the cab and reducing the minimum steering radius of the whole vehicle.
Example 3
On the basis of the embodiment 2, as an optional implementation mode: referring to fig. 2, the first upper airfoil surface 111 of the first longitudinal beam 11 is an outwardly bent airfoil surface, and the first lower airfoil surface 113 is an inwardly bent airfoil surface. The connecting strength of the frame assembly is guaranteed, the width of the front end of the frame assembly can be reduced, and the minimum steering radius of the whole vehicle is reduced.
Example 4
On the basis of the embodiment 2, as an optional implementation mode: referring to fig. 2, the height of the first panel 112 is less than the height of the second panel 212. The height of the first bearing structure 1 can be further reduced while the strength of the frame is ensured, namely the height of the bottom plate after the cab is installed is further reduced.
Example 5
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 3, the outer sides of the two first longitudinal beams 11 are respectively provided with a cab connecting front support 12 and a cab connecting rear support 13, the two cab connecting front supports 12 are arranged in a bilateral symmetry manner, and the two cab connecting rear supports 13 are arranged in an asymmetric manner, so that the mounting arrangement of the cabs is facilitated.
Example 6
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 3, a front leaf spring front lifting lug 14 and a front leaf spring rear lifting lug 15 are arranged on the outer sides of the two first longitudinal beams 11, and the two front leaf spring front lifting lugs 14 and the two front leaf spring rear lifting lugs 15 are arranged in bilateral symmetry. By adopting the lifting lug type structure, the front plate spring can be arranged outside the first longitudinal beam 11, and the height of the cab mounting rear bottom plate can be further reduced.
Example 7
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 3, the rear ends of the inner sides of the two first longitudinal beams 11 are respectively provided with an engine front suspension bracket 16 and an engine rear suspension bracket 17 for mounting an engine, and the intersection point of the cross connecting line of the engine front suspension bracket 16 and the engine rear suspension bracket 17 is arranged at the rear part of the frame zero line, so that the engine is arranged in a central mode, and the minimum steering radius of the whole vehicle is reduced.
Example 8
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 3, a gearbox suspension bracket 18 for mounting a gearbox is arranged at the rear end of the inner side of each of the two first longitudinal beams 11, and the gearbox suspension bracket 18 is positioned at the rear part of the rear engine suspension bracket 17, so that the central arrangement of the gearbox is ensured, and the minimum steering radius of the whole vehicle is favorably reduced.
Example 9
On the basis of the embodiment 1, as an optional implementation mode: referring to fig. 3, a transition bracket 19 for mounting a steering gear is arranged at the left front end of the first longitudinal beam 11 on the left side of the first load-bearing structure 1, so that the horizontal arrangement of the steering gear is ensured, and the minimum steering radius of the whole vehicle is reduced.
Example 10
The embodiment of the invention provides a sanitation vehicle, which comprises the vehicle frame assembly of the embodiment, wherein the vehicle frame assembly adopts a special-shaped vehicle frame with a stepped structure, the first bearing structure 1 is lower than the second bearing structure 2, the floor height and the step height of a cab are effectively reduced, and workers can conveniently go up and down. Meanwhile, the special-shaped frame with the stepped structure is adopted, the gravity center of the whole vehicle is reduced after the whole vehicle is assembled, the running stability is improved, and the minimum steering radius of the whole vehicle is reduced.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A frame assembly, comprising:
the first bearing structure (1) is positioned at the front part of the frame assembly, and the first bearing structure (1) comprises two first longitudinal beams (11) which are arranged in a bilateral symmetry mode and are connected;
the second bearing structure (2) is positioned at the rear part of the frame assembly, and the second bearing structure (2) comprises two second longitudinal beams (21) which are arranged in a bilateral symmetry mode and are connected; the lower part of the front end of one second longitudinal beam (21) is correspondingly connected with the upper part of the rear end of one first longitudinal beam (11) to form a ladder structure.
2. A frame assembly according to claim 1, wherein:
each first longitudinal beam (11) comprises a first upper airfoil surface (111), a first web surface (112) and a first lower airfoil surface (113), each second longitudinal beam (21) comprises a second web surface (212) and a second lower airfoil surface (213); the second lower wing surface (213) of one second longitudinal beam (21) is correspondingly connected with the first upper wing surface (111) of one first longitudinal beam (11) to form the step structure;
the first breadth (112) of each first longitudinal beam (11) and the second breadth (212) of the corresponding second longitudinal beam (21) are arranged in a vertically parallel and spaced mode, and the distance between the first breadth (112) of the two first longitudinal beams (11) is smaller than the distance between the second breadth (212) of the two second longitudinal beams (21).
3. A frame assembly according to claim 2, wherein:
the first upper wing surface (111) of the first longitudinal beam (11) is a wing surface bent outwards, and the first lower wing surface (113) is a wing surface bent inwards.
4. A frame assembly according to claim 2, wherein:
the height of the first surface (112) is smaller than the height of the second surface (212).
5. A frame assembly according to claim 1, wherein:
the outer sides of the first longitudinal beams (11) are provided with a cab connecting front support (12) and a cab connecting rear support (13), the cab connecting front support (12) is arranged in a bilateral symmetry mode, and the cab connecting rear support (13) is arranged in an asymmetric mode.
6. A frame assembly according to claim 1, wherein:
the outer sides of the two first longitudinal beams (11) are respectively provided with a front plate spring front lifting lug (14) and a front plate spring rear lifting lug (15), and the two front plate spring front lifting lugs (14) and the two front plate spring rear lifting lugs (15) are arranged in a bilateral symmetry mode.
7. A frame assembly according to claim 1, wherein:
the rear ends of the inner sides of the two first longitudinal beams (11) are respectively provided with an engine front suspension bracket (16) and an engine rear suspension bracket (17) for mounting an engine, and the intersection point of the cross connecting line of the engine front suspension bracket (16) and the engine rear suspension bracket (17) is arranged at the rear part of a frame zero line.
8. A frame assembly according to claim 7, wherein:
the rear ends of the inner sides of the two first longitudinal beams (11) are respectively provided with a gearbox suspension bracket (18) used for mounting a gearbox, and the gearbox suspension brackets (18) are positioned at the rear part of the engine rear suspension bracket (17).
9. A frame assembly according to claim 1, wherein:
the left front end of the first longitudinal beam (11) on the left side of the first bearing structure (1) is provided with a transition bracket (19) for mounting a steering gear.
10. A sanitation vehicle including a frame assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010543218.7A CN111688811A (en) | 2020-06-15 | 2020-06-15 | Frame assembly and sanitation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010543218.7A CN111688811A (en) | 2020-06-15 | 2020-06-15 | Frame assembly and sanitation car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111688811A true CN111688811A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010543218.7A Pending CN111688811A (en) | 2020-06-15 | 2020-06-15 | Frame assembly and sanitation car |
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| Country | Link |
|---|---|
| CN (1) | CN111688811A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070971A1 (en) * | 2021-10-26 | 2023-05-04 | 三一专用汽车有限责任公司 | Engineering vehicle chassis and engineering vehicle |
-
2020
- 2020-06-15 CN CN202010543218.7A patent/CN111688811A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070971A1 (en) * | 2021-10-26 | 2023-05-04 | 三一专用汽车有限责任公司 | Engineering vehicle chassis and engineering vehicle |
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