CN108454715B - Cab reinforcing structure - Google Patents
Cab reinforcing structure Download PDFInfo
- Publication number
- CN108454715B CN108454715B CN201810149371.4A CN201810149371A CN108454715B CN 108454715 B CN108454715 B CN 108454715B CN 201810149371 A CN201810149371 A CN 201810149371A CN 108454715 B CN108454715 B CN 108454715B
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- frame
- vehicle
- cab
- plate portion
- roof
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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
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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 provides a cab reinforcing structure, which can prevent deformation of a cab when a roof load is applied to a roof of the cab. A cab reinforcement structure (10) is provided with: a roof (100) of the vehicle; a 1 st frame (101) extending downward from the rear end of the roof (100); a 2 nd frame (103) located at a lower end of the 1 st frame (101) and extending in a vehicle width direction of the vehicle; a 3 rd frame (104) that extends in the vehicle width direction of the vehicle at a position forward of the 2 nd frame (103) in the vehicle front-rear direction; and a reinforcement member (105) extending between the 2 nd frame (103) and the 3 rd frame (104).
Description
Technical Field
The present invention relates to a cab reinforcement structure.
Background
In a vehicle, a cab reinforcement structure is provided. Patent document 1 discloses a frame structure of a cabin provided with a floor frame, the floor frame including: 2 floor cross members connecting between the 1 pair of side frames; and 2 floor side members connecting between the cross members of the rear frame and the front frame.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 10-100945
Disclosure of Invention
Problems to be solved by the invention
Conventionally, there is a cab including: a 1 st frame extending downward from a rear end of the roof; and a 2 nd frame located at a lower end of the 1 st frame and extending in a vehicle width direction of the vehicle. In this case, when a roof load is applied to the roof from above, the load is applied downward through the 1 st frame, and therefore the 2 nd frame is deformed and falls backward, which causes a problem that the roof load cannot be supported.
The present invention has been made in view of these points, and an object thereof is to provide a cab reinforcement structure that is less likely to deform when a roof load is applied to a roof from above.
Means for solving the problems
In a 1 st aspect of the present invention, there is provided a cab reinforcement structure comprising: a roof of the vehicle; a 1 st frame extending downward from a rear end of the roof; a 2 nd frame located at a lower end of the 1 st frame and extending in a vehicle width direction of the vehicle; a 3 rd frame extending in the vehicle width direction of the vehicle forward in the vehicle front-rear direction of the vehicle relative to the 2 nd frame; and a reinforcing member extending between the 2 nd frame and the 3 rd frame.
Further, the reinforcing member may extend in the front-rear direction of the vehicle. Further, the 3 rd frame may be fixed to a rear end of a cab floor, which forms a floor of the vehicle, in a front-rear direction of the vehicle. Further, the 1 st frame and the reinforcement member may be located at the same position in the vehicle width direction of the vehicle. Further, the 1 st frame and the reinforcing member may be positioned between both ends of the 2 nd frame in the vehicle width direction of the vehicle.
Effects of the invention
According to the present invention, there is an effect that the cab is less likely to be deformed when a roof load is applied to the roof from above.
Brief description of the drawings
Fig. 1 shows a state in which a roof load is applied to a cab.
Fig. 2 shows a structure in which the cab reinforcing structure according to the present embodiment is installed in the cab.
Fig. 3 shows an enlarged view of the vicinity of the reinforcing member 105.
Fig. 4 is an enlarged view of the vicinity of the reinforcing member 105 in the structure of the cab reinforcing structure shown in fig. 2, as viewed from the X direction.
Fig. 5 shows a structure in which the upper plate portion 13 is added to fig. 4.
Detailed Description
< this embodiment > [ outer peripheral structure of cab reinforcing structure 10 ]
Fig. 1 is a diagram showing a state in which a roof load is applied to cab 1. Fig. 2 is a diagram showing a configuration in which cab reinforcing structure 10 of the present embodiment is installed in cab 1. Fig. 3 is an enlarged view of the vicinity of the reinforcing member 105. Fig. 4 is an enlarged view of the vicinity of the reinforcing member 105 in the structure of the cab reinforcing structure 10 in fig. 2 viewed from the X direction.
As shown in fig. 1, the vehicle has a cab 1, a rear bracket 2, side frames 3, and a front bracket 4. The vehicle is for example a truck. Cab 1 is a box-shaped portion in which a driver seat is located.
The rear bracket 2 is a member for fixing a rear end side portion of the cab 1 to the side frame 3. The side frames 3 are members extending in the front-rear direction of the vehicle. In the vehicle, a plurality of side frames 3 are provided in parallel with each other. The front bracket 4 is a member for fixing a portion on the front end side of the cab 1 to the side frame 3. The cab 1 has a cab reinforcement structure 10, a cab floor 11, and a floor portion 12.
The cab reinforcement structure 10 is a structure that supports a roof load applied to the roof 100 of the cab 1. The roof 100 is a panel of a ceiling of a vehicle. The roof 100 is inclined in such a manner that the rear end of the roof 100 is at a higher position than the front end of the roof 100. As shown in fig. 1, the cab 1 is provided with a 1 st frame 101, and the 1 st frame 101 is a member extending downward from the rear end of the roof 100. When a roof load is applied to roof 100 of cab 1 from above, since roof 100 is inclined, the load is concentrated on first frame 101 located on the rear surface of cab 1.
However, since the cab 1 has the cab reinforcing structure 10, even if a roof load is applied to the roof 100, it is possible to prevent the member on the rear surface side of the cab 1 from being largely deformed by the downward movement of the 1 st frame 101. The details of the cab reinforcement structure 10 will be described below.
[ detailed construction of cab reinforcing Structure 10 ]
As shown in fig. 2, the cab reinforcement structure 10 has a roof 100, a 1 st frame 101, a frame 102, a 2 nd frame 103, a 3 rd frame 104, a reinforcement member 105, and a bracket 106. The roof 100 is a panel of the ceiling of the vehicle, as described above. The 1 st frame 101 is a member extending downward from the rear end of the roof 100 as described above. Frame 102 is a member that extends in the vehicle width direction of the vehicle and is positioned on the rear surface of cab 1. The frame 102 is horizontal in the height direction of the vehicle.
The 1 st frame 101 includes a frame 1010 and a frame 1011. The frames 1010 and 1011 extend in the height direction of the vehicle. The upper end of the frame 1010 is fixed to the lower surface of the roof 100. The lower end of the frame 1010 is fixed to the upper surface of the frame 102.
The upper end of the frame 1011 is fixed to the lower surface of the frame 102. The lower end of the frame 1011 is fixed to the 2 nd frame 103 as described later. The upper end of the frame 1011 is located below the lower end of the frame 1010. Frame 1010 and frame 1011 are orthogonal to frame 102.
Between the lower end of the frame 1010 and the upper end of the frame 1011, the frame 102 is provided. A cross section of a lower end of the frame 1010 in the vehicle height direction and a cross section of an upper end of the frame 1011 in the vehicle height direction overlap at least in the vehicle front-rear direction and the vehicle width direction. In addition, although the 1 st frame 101 is provided to have the frame 1010 and the frame 1011, the 1 st frame 101 may be one member. The cross-sectional shape of the 1 st frame 101 is arbitrary.
The lower end of the 1 st frame 101 is fixed to the 2 nd frame 103 via a bracket 106. The 2 nd frame 103 is a member that is located at the lower end of the 1 st frame 101 and extends in the vehicle width direction of the vehicle. The 2 nd frame 103 is horizontal in the height direction of the vehicle.
As shown in fig. 2, the bracket 106 has an "L" shape, and has a surface extending in the height direction of the vehicle and a surface extending in the front-rear direction of the vehicle. The front surface of the 1 st frame 101 at the lower end thereof is fixed to a surface of the bracket 106 extending in the height direction of the vehicle. Further, a face of the bracket 106 extending in the front-rear direction of the vehicle is fixed on the upper surface of the 2 nd frame 103.
As shown in fig. 3 and 4, the 2 nd frame 103 includes a 1 st plate portion 1031, a 2 nd plate portion 1032, a 3 rd plate portion 1033, and a 4 th plate portion 1034. The 1 st plate portion 1031 has a region extending in the front-rear direction of the vehicle. The 2 nd plate portion 1032 has a region extending upward from a rear end of the 1 st plate portion 1031 in the vehicle front-rear direction. The 3 rd plate portion 1033 has a region extending rearward from an upper end of the 2 nd plate portion 1032 in the vehicle height direction. The 4 th plate portion 1034 has a region extending downward from a rear end of the 3 rd plate portion 1033 in the vehicle front-rear direction. Although the 2 nd frame 103 shown in fig. 3 and 4 has such a cross-sectional shape, the cross-sectional shape of the 2 nd frame 103 is arbitrary.
The 3 rd frame 104 is a member that extends in the vehicle width direction of the vehicle further forward in the vehicle front-rear direction than the 2 nd frame 103. The 3 rd frame 104 is horizontal in the height direction of the vehicle. As shown in fig. 4, specifically, the 3 rd frame 104 includes a 5 th plate portion 1041, a 6 th plate portion 1042, and a 7 th plate portion 1043.
The 5 th plate portion 1041 has a region extending in the front-rear direction of the vehicle. The 6 th plate portion 1042 has a region extending upward from an end portion of the 5 th plate portion 1041 on the front side in the vehicle front-rear direction. The 7 th plate portion 1043 has a region extending forward of the vehicle from an upper end of the 6 th plate portion 1042 in the height direction of the vehicle. Although the 3 rd frame 104 shown in fig. 4 has such a sectional shape, the sectional shape of the 3 rd frame 104 is arbitrary.
The 3 rd frame 104 is fixed to a rear end of the cab floor 11 in the front-rear direction of the vehicle. Specifically, the 3 rd frame 104 is fixed to the cab floor 11 by inserting bolts into holes formed in the 7 th plate portion 1043 and holes formed in a flat plate formed at the rear end of the cab floor 11, and tightening nuts to the inserted bolts. The cab floor 11 is a plate forming the floor of the cab 1. The cab floor 11 has a concave-convex shape. The engine of the vehicle is located below the cab floor 11. Above the cab floor 11, for example, a passenger seat is provided.
The reinforcing member 105 is a member extending between the 2 nd frame 103 and the 3 rd frame 104. The reinforcement member 105 is substantially horizontal in the height direction of the vehicle. The reinforcing member 105 is, for example, a cylindrical tube. The end portion of the reinforcement member 105 on the rear side in the vehicle front-rear direction has a flat plate-shaped portion. The rear end of the reinforcing member 105 is fastened to the 2 nd frame 103 by inserting bolts into holes formed in the flat plate-shaped portion and holes formed in the 3 rd plate portion 1033 of the 2 nd frame 103 and tightening nuts to the inserted bolts.
The end portion of the reinforcement member 105 on the front side in the vehicle front-rear direction has a flat plate-shaped portion. The front end of the reinforcing member 105 is fastened to the 3 rd frame 104 by inserting bolts into holes formed in the flat plate-shaped portion and holes formed in the 7 th plate portion 1043 of the 3 rd frame 104, and tightening nuts to the inserted bolts.
As shown in fig. 2, although the reinforcement member 105 extends in the front-rear direction of the vehicle, the reinforcement member 105 may be inclined at a predetermined angle with respect to the front-rear direction of the vehicle. The reinforcing member 105 extends in the front-rear direction of the vehicle, and means that the reinforcing member 105 extends orthogonally to the 2 nd frame 103 and the 3 rd frame 104 as shown in fig. 2. In the case where the reinforcement member 105 extends in the front-rear direction of the vehicle, the strength of the cab reinforcement structure 10 in the front-rear direction of the vehicle reaches the maximum.
The cab reinforcement structure 10 has the reinforcement member 105 extending between the 2 nd frame 103 and the 3 rd frame 104 like this. Therefore, when a roof load is applied to the roof 100 of the cab 1 from above, the distance between the lower end of the 1 st frame 101 and the 3 rd frame 104 can be prevented from increasing and the 2 nd frame 103 can be prevented from deforming due to the downward movement of the 1 st frame 101.
As shown in fig. 2, the 1 st frame 101 and the reinforcement member 105 are located at the same position in the vehicle width direction of the vehicle. By positioning the 1 st frame 101 and the reinforcement member 105 in this manner, the strength of the cab 1 can be increased. Further, the 1 st frame 101 and the reinforcing member 105 are positioned between both ends of the 2 nd frame 103 in the vehicle width direction of the vehicle. By positioning the 1 st frame 101 and the reinforcement member 105 in this manner, the strength of the cab 1 is enhanced.
As shown in fig. 4, the bottom plate portion 12 is a plate portion provided between the 2 nd frame 103 and the 3 rd frame 104. The bottom plate portion 12 has a rectangular shape, for example. The end portion of the bottom plate portion 12 on the rear side in the vehicle longitudinal direction is connected to the 1 st plate portion 1031, and the end portion of the bottom plate portion 12 on the front side in the vehicle longitudinal direction is connected to the 5 th plate portion 1041.
[ modified examples ]
Fig. 5 is a view showing a structure in which the upper plate portion 13 is added to fig. 4.
As shown in fig. 5, the upper plate portion 13 is provided above the reinforcing member 105 in a movable state. The upper plate portion 13 is a member that covers the recess formed by the 2 nd frame 103, the 3 rd frame 104, and the bottom plate portion 12 from above. The recess is used as a space for loading cargo, for example. The upper plate portion 13 has a rectangular shape, for example.
The cab reinforcement structure 10 has a reinforcement member 105. Therefore, in a state where the upper plate portion 13 covers the recess formed by the 2 nd frame 103, the 3 rd frame 104, and the bottom plate portion 12 from above, the reinforcing member 105 can support the upper plate portion 13 from below by contacting the lower surface of the upper plate portion 13. As a result, the weight of the upper plate 13 can be reduced, and therefore, the passenger can easily open and close the upper plate 13.
In the above embodiment, the reinforcing member 105 is, for example, a cylindrical pipe, but the shape of the reinforcing member 105 is arbitrary. The cross section of the reinforcing member 105 may be, for example, a concave shape or a rectangular shape. Further, as shown in fig. 2, 2 reinforcing members 105 are provided in the cab 1, but the number of the reinforcing members 105 is arbitrary. Although the 1 st frame 101 and the reinforcement member 105 are located at the same position in the vehicle width direction of the vehicle, the 1 st frame 101 and the reinforcement member 105 may be located at different positions in the vehicle width direction of the vehicle.
In the above embodiment, the reinforcing member 105 is fixed to the 3 rd plate 1033 of the 2 nd frame 103 at the rear end of the reinforcing member 105 and to the 7 th plate 1043 of the 3 rd frame 104 at the front end of the reinforcing member 105, but the fixing method of the reinforcing member 105 to the 2 nd frame 103 and the 3 rd frame 104 is arbitrary. For example, the reinforcing member 105 may be fixed to the 2 nd plate 1032 of the 2 nd frame 103 at the rear end of the reinforcing member 105 and may be fixed to the 6 th plate 1042 of the 3 rd frame 104 at the front end of the reinforcing member 105.
[ Effect of the cab reinforcing structure 10 of the present embodiment ]
The cab reinforcement structure 10 of the present embodiment includes: a roof 100 of the vehicle; a 1 st frame 101 extending downward from a rear end of the roof 100; a 2 nd frame 103 located at a lower end of the 1 st frame 101 and extending in a vehicle width direction of the vehicle; and a 3 rd frame 104 that extends in the vehicle width direction of the vehicle further forward in the vehicle front-rear direction than the 2 nd frame 103. Furthermore, the cab reinforcement structure 10 has a reinforcement member 105, and the reinforcement member 105 extends between the 2 nd frame 103 and the 3 rd frame 104.
The cab reinforcement structure 10 of the present embodiment includes the reinforcement member 105, and the reinforcement member 105 extends between the 2 nd frame 103 and the 3 rd frame 104 in this manner. Therefore, in the cab 1, when a roof load is applied to the roof 100 from above, the reinforcement member 105 blocks the downward movement of the 1 st frame 101. As a result, in cab reinforcing structure 10, when a roof load is applied to roof 100 from above, cab 1 can be prevented from being largely deformed by deformation of the frame on the rear surface of cab 1.
Although the present invention has been described above by using the embodiments, the scope of the present invention is not limited to the scope described in the above embodiments. It will be apparent to those skilled in the art that various changes and modifications can be made in the above embodiments. As is apparent from the description of the claims, the present invention can include such modifications and improvements within the scope of the present invention.
Description of the reference numerals
1 … driver's cabin
10 … cab reinforcing structure
100 … vehicle roof
101 … No. 1 frame
1010 … frame (reinforced roof rear pillar)
1011 … frame (rear reinforced column)
102 … framework (reinforced rear framework)
103 … No. 2 frame (frame floor back beam)
1031 … 1 st board part
1032 … No. 2 board part
1033 rd plate part of 1033 …
1034 … No. 4 plate part
104 … frame No. 3 (rear beam of expansion floor)
1041 … No. 5 plate part
1042 … No. 6 board part
1043 … No. 7 plate part
105 … reinforcing member
106 … bracket
11. cab floor
12 … bottom plate part
13 … upper plate part
2 … rear support
3 … side frame
4 … front bracket
Claims (5)
1. A cab reinforcing structure, comprising:
the roof of a vehicle is provided with a roof,
a 1 st frame extending downward from a rear end of the roof,
a 2 nd frame located at a lower end of the 1 st frame and extending in a vehicle width direction of the vehicle,
a 3 rd frame extending in the vehicle width direction of the vehicle forward in the vehicle front-rear direction with respect to the 2 nd frame,
a reinforcing member extending between the 2 nd frame and the 3 rd frame, an
A bottom plate portion provided between the 2 nd frame and the 3 rd frame,
the 2 nd frame is fixed to the lower end of the 1 st frame,
the 2 nd frame includes: a 1 st plate section extending in a front-rear direction of the vehicle, a 2 nd plate section extending upward from a rear end of the 1 st plate section in the front-rear direction of the vehicle, and a 3 rd plate section extending rearward in the front-rear direction of the vehicle from an upper end of the 2 nd plate section,
the 3 rd frame includes: a 5 th plate portion extending in a front-rear direction of the vehicle, a 6 th plate portion extending upward from a front end of the 5 th plate portion in the front-rear direction of the vehicle, and a 7 th plate portion extending forward from an upper end of the 6 th plate portion in the front-rear direction of the vehicle,
a rear end of the reinforcing member in the vehicle longitudinal direction is fixed to the 3 rd plate portion, a front end of the reinforcing member in the vehicle longitudinal direction is fixed to the 7 th plate portion,
the rear end of the bottom plate portion in the vehicle longitudinal direction is connected to the 1 st plate portion, and the front end of the bottom plate portion in the vehicle longitudinal direction is connected to the 5 th plate portion.
2. The cab reinforcing structure according to claim 1,
the reinforcement member extends in a front-rear direction of the vehicle.
3. Cab reinforcing structure according to claim 1 or 2,
the 3 rd frame is fixed to a rear end of a cab floor, which forms a floor of the vehicle, in a front-rear direction of the vehicle.
4. The cab reinforcing structure according to claim 1,
the 1 st frame and the reinforcement member are located at the same position in the vehicle width direction of the vehicle.
5. The cab reinforcing structure according to claim 1,
the 1 st frame and the reinforcement member are positioned between both ends of the 2 nd frame in the vehicle width direction of the vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017029128A JP6862897B2 (en) | 2017-02-20 | 2017-02-20 | Cab reinforcement structure |
| JP2017-029128 | 2017-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108454715A CN108454715A (en) | 2018-08-28 |
| CN108454715B true CN108454715B (en) | 2021-08-17 |
Family
ID=63217059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810149371.4A Active CN108454715B (en) | 2017-02-20 | 2018-02-13 | Cab reinforcing structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6862897B2 (en) |
| CN (1) | CN108454715B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7182081B2 (en) * | 2019-09-27 | 2022-12-02 | いすゞ自動車株式会社 | vehicle cab structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1134933A (en) * | 1997-07-16 | 1999-02-09 | Nissan Diesel Motor Co Ltd | Cab floor structure |
| JP2002308151A (en) * | 2001-04-17 | 2002-10-23 | Toyota Auto Body Co Ltd | Cab floor structure for cab-over type vehicle |
| JP2005255095A (en) * | 2004-03-15 | 2005-09-22 | Mitsubishi Fuso Truck & Bus Corp | Cab structure of cab-over-engine truck |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR008565A1 (en) * | 1997-02-14 | 2000-02-09 | Consorcio G Grupo Dina S A De C V | A STRUCTURE FOR A CAB APPLICABLE TO MEDIUM TRUCKS AND TRACTOR TRUCKS |
| JP3779454B2 (en) * | 1997-12-04 | 2006-05-31 | 日立建機株式会社 | Construction machine cab |
| JP2001039345A (en) * | 1999-07-27 | 2001-02-13 | Nissan Diesel Motor Co Ltd | Cab structure |
| JP4486655B2 (en) * | 2007-02-19 | 2010-06-23 | キャタピラージャパン株式会社 | Construction machine cab structure |
| KR101349536B1 (en) * | 2011-12-12 | 2014-01-09 | 현대자동차주식회사 | Cab Mounting Apparatus |
| JP5990087B2 (en) * | 2012-11-02 | 2016-09-07 | 日野自動車株式会社 | Cab reinforcement structure |
-
2017
- 2017-02-20 JP JP2017029128A patent/JP6862897B2/en active Active
-
2018
- 2018-02-13 CN CN201810149371.4A patent/CN108454715B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1134933A (en) * | 1997-07-16 | 1999-02-09 | Nissan Diesel Motor Co Ltd | Cab floor structure |
| JP2002308151A (en) * | 2001-04-17 | 2002-10-23 | Toyota Auto Body Co Ltd | Cab floor structure for cab-over type vehicle |
| JP2005255095A (en) * | 2004-03-15 | 2005-09-22 | Mitsubishi Fuso Truck & Bus Corp | Cab structure of cab-over-engine truck |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018134906A (en) | 2018-08-30 |
| CN108454715A (en) | 2018-08-28 |
| JP6862897B2 (en) | 2021-04-21 |
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