CN113415347B - A-column-free anti-rolling anti-falling cab with energy absorption structure and mining dump truck - Google Patents
A-column-free anti-rolling anti-falling cab with energy absorption structure and mining dump truck Download PDFInfo
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- CN113415347B CN113415347B CN202110777747.8A CN202110777747A CN113415347B CN 113415347 B CN113415347 B CN 113415347B CN 202110777747 A CN202110777747 A CN 202110777747A CN 113415347 B CN113415347 B CN 113415347B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0604—Cabs insulated against vibrations or noise, e.g. with elastic suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0617—Drivers' cabs for tractors or off-the-road vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an A-pillar-free anti-rolling and anti-falling object cab with an energy absorption structure and a mining dump truck, which mainly comprise a cab framework assembly, a skin assembly, an interior assembly and a vehicle door; the cab framework assembly adopts a structure without an A column and mainly comprises a top frame, a bottom frame, two front upright columns, two middle upright columns and two rear upright columns which are symmetrically arranged left and right; and energy absorption structures are respectively arranged on the outer sides of the left longitudinal beam and the right longitudinal beam in the top frame. The cab has the advantages of simple structure, wide visual field and anti-rolling and anti-falling functions, and can fully ensure the personal safety of a driver under the conditions of rolling and falling of the vehicle.
Description
Technical Field
The invention relates to an A-column-free anti-rolling and anti-falling cab with an energy absorption structure, and belongs to the field of engineering vehicle cabs.
Background
The mining dump truck is mainly applied to surface mines with poor road conditions, the working environment is severe, the working strength is high, the requirement of a driver on safety is higher and higher, and the strength of a cab framework and the effective front view are main influence factors for ensuring the safety of the driver. In order to ensure the safety of drivers, the cab of the mining dump truck is clearly required to meet the performance requirements of rolling prevention, overturning prevention and falling prevention at foreign countries, and the requirement on the safety is gradually strengthened at home. In order to meet market demands, the cab of the mining dump truck without the A column, the rolling and falling objects is designed to meet the main requirements of the existing mining dump truck for the cab.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an A-pillar-free anti-rolling and anti-falling object cab with an energy absorption structure, which can effectively meet the requirements of a driver on safety.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention discloses an A-pillar-free anti-rolling and anti-falling cab with an energy absorption structure, which mainly comprises a cab framework assembly, a skin assembly, an interior assembly and a vehicle door; the cab framework assembly adopts a structure without an A column and mainly comprises a top frame, a bottom frame, two front upright columns, two middle upright columns and two rear upright columns which are symmetrically arranged left and right; and energy absorption structures are respectively arranged on the outer sides of the left longitudinal beam and the right longitudinal beam in the top frame.
The preferable scheme is as follows: the whole energy-absorbing structure is of a U-shaped plate structure, and the structural strength of the U-shaped plate is lower than that of a plate used for the cab framework assembly.
Further preferred embodiments are as follows: a plurality of partition plate structures are arranged in the U-shaped plate structure, and the strength of the partition plate structures is lower than that of a plate used for the cab framework assembly.
The preferable scheme is as follows: the top frame mainly comprises a front cross beam, a middle cross beam, a rear cross beam, a left longitudinal beam and a right longitudinal beam.
The preferable scheme is as follows: the bottom frame mainly comprises a lower middle cross beam, a lower rear cross beam, a left mounting bottom plate and a right mounting bottom plate.
The preferable scheme is as follows: the front upright posts, the middle upright posts and the rear upright posts on the left side and the right side are respectively connected with the left mounting bottom plate and the right mounting bottom plate; and the left mounting bottom plate and the right mounting bottom plate are respectively provided with a plurality of mounting holes and are rigidly connected with the frame structure through a plurality of bolts.
Further preferred embodiments are as follows: oblique stiffening beams are connected between the two rear uprights and the lower rear cross beam, and the oblique stiffening beams, the rear uprights and the lower rear cross beam form a triangular structure.
Further preferred embodiments are as follows: the front upright posts on the left side and the right side are welded with a front half ring beam used for mounting front glass and an instrument desk.
The preferable scheme is as follows: the skin assembly is arranged outside the cab framework assembly; front windshield, left front glass and right front glass are installed to covering assembly front portion, the left door is installed on covering assembly left side, and the right door is installed to covering assembly right side, and rear windshield is installed at covering assembly rear portion.
Further preferred embodiments are as follows: and a bottom guard plate assembly is welded at the bottom of the driving cabin framework assembly.
The invention also discloses a mining dump truck which is provided with the A-column-free anti-rolling anti-falling object cab with the energy absorption structure.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the cab has the advantages of simple structure, wide visual field and anti-rolling and anti-falling functions, and can fully ensure the personal safety of a driver under the conditions of rolling and falling of the vehicle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic view of the exterior of the cab of the present invention;
FIG. 2 is a schematic view of a cab frame assembly of the present invention;
FIG. 3 is a schematic view of the top frame of the present invention;
FIG. 4 is a schematic view of an energy absorbing structure of the present invention;
the attached drawings are as follows: the energy-absorbing structure comprises a cab framework assembly, a skin assembly, a bottom guard plate assembly, a trim assembly, a right door, a front upright post, a middle upright post, a rear upright post, a top frame 9, a front cross beam 10, a middle cross beam 11, a rear cross beam 12, a left longitudinal beam 13, a bottom frame 14, a middle cross beam 15, a rear cross beam 16, a right mounting bottom plate 17, an angle reinforcing rib 18, an oblique reinforcing beam 19, an energy-absorbing structure 20, a bolt 21, a front half ring beam 22, a front windshield 23, a front windshield 24, a rear windshield 25 and a partition plate 26.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
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 will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 3 and 4, the a-pillar-free anti-roll and anti-falling object cab with the energy absorption structure mainly comprises a cab framework assembly 1, a skin assembly 2, an interior assembly 4 and a vehicle door; the cab framework assembly 1 adopts an A-column-free structural form and mainly comprises a top frame 9, a bottom frame 14, two front upright columns 6, two middle upright columns 7 and two rear upright columns 8 which are symmetrically arranged in the left-right direction; energy absorption structures 20 are respectively arranged on the outer sides of the left longitudinal beam and the right longitudinal beam in the top frame 9.
With continued reference to fig. 2 and 4, the energy absorbing structure 20 is generally a U-shaped panel structure having a lower strength than the panel used for the cab skeleton assembly 1. A plurality of partition plate structures 26 are arranged in the U-shaped plate structure, and the strength of the partition plate structures 26 is lower than that of a plate used for the cab framework assembly 1. The energy absorbing structure 20 ensures that the energy absorbing structure preferentially deforms when the vehicle rolls over, thereby reducing the amount of deformation of the main body frame and ensuring that the cab structure does not intrude into the body of the driver.
With continued reference to fig. 2 and 3, the roof frame 9 is mainly composed of a front cross member 10, a middle cross member 11, a rear cross member 12, a left side member 13, and a right side member. The bottom frame 14 is mainly composed of a lower middle cross member 15, a lower rear cross member 16, a left mounting base plate, and a right mounting base plate 17. The front upright post 6, the middle upright post 7 and the rear upright post 8 on the left side and the right side are respectively connected with a left mounting bottom plate and a right mounting bottom plate 17; and a plurality of mounting holes are formed in the left mounting bottom plate and the right mounting bottom plate 17 and are rigidly connected with the frame structure through sixteen M33 type bolts 21.
As an optimization scheme of the invention: inclined reinforcing beams 19 are connected between the two rear uprights 8 and the lower rear cross beam 16, and the inclined reinforcing beams 19, the rear uprights 8 and the lower rear cross beam 16 form a triangular structure, so that the stability of the cab is further improved.
As an optimization scheme of the invention: the front upright post 6, the middle upright post 7, the rear upright post 8, the top frame 9 and the bottom frame 14 are all provided with angle reinforcing ribs 18 at the connecting points, so that the connecting strength is ensured, and the welding seam is prevented from cracking.
As shown in fig. 2, the front pillars 6 on the left and right sides are welded with front half-ring beams 22 for fixing the front glass and the instrument desk, and providing sufficient space for installing the front electric components.
With continued reference to FIG. 1, skin assembly 2 is disposed exterior to cab skeleton assembly 1; the front part of the skin assembly 2 is provided with a front windshield 23, a left front glass and a right front glass 24, so that the front view of a driver is fully ensured; the left vehicle door is installed on the left side of the skin assembly 2, the right vehicle door 5 is installed on the right side of the skin assembly 2, and the rear windshield 25 is installed on the rear portion of the skin assembly 2, so that the state of the cargo compartment can be observed conveniently.
The preferable scheme is as follows: the skin assembly 2 is formed by welding steel plates with the thickness of 3 mm.
As an optimization scheme of the invention: with continued reference to fig. 1, a bottom guard plate assembly 3 is welded to the bottom of the cab framework assembly 1, so that not only can the lower electro-hydraulic pipelines be protected, but also the safety of a driver can be ensured when the vehicle is punctured.
It should be noted that: the interior trim assembly 4 is mounted inside the cab skeleton assembly 1 by fastening screws.
In conclusion, the cab disclosed by the invention has the advantages of simple structure, wide visual field and rolling and falling prevention functions, and can fully ensure the personal safety of a driver under the conditions of rolling and falling of a vehicle.
The invention also discloses a mining dump truck which is provided with the A-column-free anti-rolling and anti-falling cab with the energy absorption structure.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Moreover, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments, not others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The A-column-free anti-rolling and anti-falling object cab with the energy absorption structure mainly comprises a cab framework assembly (1), a skin assembly (2), an interior trim assembly (4) and a vehicle door;
the method is characterized in that:
the cab framework assembly (1) adopts an A-column-free structural form and mainly comprises a top frame (9), a bottom frame (14), two front upright columns (6), two middle upright columns (7) and two rear upright columns (8), wherein the two front upright columns, the two middle upright columns and the two rear upright columns are symmetrically arranged in the left-right direction;
energy absorption structures (20) are respectively arranged on the outer sides of the left longitudinal beam and the right longitudinal beam in the top frame (9);
the whole energy absorption structure (20) is of a U-shaped plate structure, and the strength of the U-shaped plate structure is lower than that of a plate used by the cab framework assembly (1);
a plurality of partition plate structures (26) are arranged in the U-shaped plate structure, and the strength of each partition plate structure (26) is lower than that of a plate used by the cab framework assembly (1);
the front upright post (6), the middle upright post (7) and the rear upright post (8) on the left side and the right side are respectively connected with a left mounting bottom plate and a right mounting bottom plate (17);
the left mounting bottom plate and the right mounting bottom plate (17) are respectively provided with a plurality of mounting holes and are rigidly connected with the frame structure through a plurality of bolts (21);
oblique reinforcing beams (19) are connected between the two rear columns (8) and the lower rear cross beam (16), and the oblique reinforcing beams (19), the rear columns (8) and the lower rear cross beam (16) form a triangular structure.
2. The a-pillar-free rollover and fall protection cab with energy absorption structure according to claim 1, wherein:
the top frame (9) mainly comprises a front cross beam (10), a middle cross beam (11), a rear cross beam (12), a left longitudinal beam (13) and a right longitudinal beam.
3. The a-pillar-free anti-roll-over and anti-fall cab with an energy absorbing structure of claim 1, wherein:
the bottom frame (14) mainly comprises a lower middle cross beam (15), a lower rear cross beam (16), a left mounting bottom plate and a right mounting bottom plate (17).
4. The a-pillar-free anti-roll-over and anti-fall cab with an energy absorbing structure of claim 1, wherein:
front half ring beams (22) used for mounting front glass and an instrument desk are welded on the front upright posts (6) on the left side and the right side.
5. The a-pillar-free anti-roll-over and anti-fall cab with an energy absorbing structure of claim 1, wherein:
the skin assembly (2) is arranged outside the cab framework assembly (1);
front windshield (23), left front glass and right front glass (24) are installed to covering assembly (2) front portion, the left door is installed on covering assembly (2) left side, and right door (5) are installed on covering assembly (2) right side, and rear windshield (25) are installed at covering assembly (2) rear portion.
6. The a-pillar-free anti-roll-over and anti-fall cab with an energy absorbing structure according to any one of claims 1 to 5, wherein:
and a bottom guard plate assembly (3) is welded at the bottom of the cab framework assembly (1).
7. Mining dump truck, its characterized in that:
an a-pillar-free rollover and fall protection cab equipped with the energy absorbing structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777747.8A CN113415347B (en) | 2021-07-09 | 2021-07-09 | A-column-free anti-rolling anti-falling cab with energy absorption structure and mining dump truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777747.8A CN113415347B (en) | 2021-07-09 | 2021-07-09 | A-column-free anti-rolling anti-falling cab with energy absorption structure and mining dump truck |
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| Publication Number | Publication Date |
|---|---|
| CN113415347A CN113415347A (en) | 2021-09-21 |
| CN113415347B true CN113415347B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110777747.8A Active CN113415347B (en) | 2021-07-09 | 2021-07-09 | A-column-free anti-rolling anti-falling cab with energy absorption structure and mining dump truck |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115081140A (en) * | 2022-06-29 | 2022-09-20 | 江苏徐工工程机械研究院有限公司 | ROPS framework design method and engineering machinery cab |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201597652U (en) * | 2009-12-17 | 2010-10-06 | 三一重机有限公司 | Machineshop truck cab frame structure |
| CN202180864U (en) * | 2011-07-01 | 2012-04-04 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Rolling-preventing cab structure of mine dumper |
| CN204279319U (en) * | 2014-11-12 | 2015-04-22 | 西南石油大学 | A kind of rear-mounted controlled source rollover fender guard |
| CN105946987A (en) * | 2016-06-30 | 2016-09-21 | 徐州徐工矿山机械有限公司 | Cab of 300-ton-level electric-drive mining dump truck |
| CN107176214A (en) * | 2017-06-27 | 2017-09-19 | 徐州徐工矿山机械有限公司 | Articulated truck driver's cabin safety frame structure |
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Inventor after: Zhang Chao Inventor after: Li Hai Inventor after: Feng Linlin Inventor after: Zhang Xiumei Inventor after: Wang Jian Inventor after: Zhang Duanliao Inventor after: Gong Dingding Inventor after: Dai Zhenhuan Inventor after: Gu Chengpeng Inventor after: Li Zong Inventor after: Li Guojuan Inventor after: Xie Heping Inventor after: Ren Lisheng Inventor after: Yang Xuhui Inventor after: Wang Zhixing Inventor after: Hu Yuqing Inventor after: Sun Lei Inventor after: Tong Wenhao Inventor before: Li Zong Inventor before: Tong Wenhao Inventor before: Li Hai Inventor before: Feng Linlin Inventor before: Zhang Xiumei Inventor before: Wang Jian Inventor before: Zhang Duanliao Inventor before: Gong Dingding Inventor before: Dai Zhenhuan Inventor before: Gu Chengpeng Inventor before: Zhang Chao Inventor before: Li Guojuan Inventor before: Xie Heping Inventor before: Ren Lisheng Inventor before: Yang Xuhui Inventor before: Wang Zhixing Inventor before: Hu Yuqing Inventor before: Sun Lei |