CN110001787B - Front wall anti-collision buffer reinforcing structure of passenger car - Google Patents
Front wall anti-collision buffer reinforcing structure of passenger car Download PDFInfo
- Publication number
- CN110001787B CN110001787B CN201910359181.XA CN201910359181A CN110001787B CN 110001787 B CN110001787 B CN 110001787B CN 201910359181 A CN201910359181 A CN 201910359181A CN 110001787 B CN110001787 B CN 110001787B
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- Prior art keywords
- honeycomb
- plates
- passenger car
- plate
- buffer
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 20
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a front wall anti-collision buffer reinforcing structure of a passenger car, which comprises the following components: the buffer unit comprises buffer baffle plates and corrugated plates, wherein the buffer baffle plates and the corrugated plates are alternately arranged to form a multilayer structure; the reinforcing unit comprises a plurality of honeycomb plates, wherein the honeycomb plates are arranged in parallel at intervals and are connected in an inserting mode through an inserting structure; and a connection bracket including an upper connection beam and a lower connection beam welded to an inner side of the front wall skeleton of the passenger car for fixedly connecting the plurality of honeycomb panels together, wherein the buffer unit is positioned in front of the reinforcement unit and welded to the reinforcement unit through a plurality of springs. The invention can quickly absorb collision energy when the passenger car collides with the front surface, and reduce the deformation degree of the car body structure, thereby improving the safety performance of the passenger car.
Description
Technical Field
The invention relates to the field of passenger car manufacturing, in particular to a passenger car front wall anti-collision buffer reinforcing structure.
Background
With the rapid development of society, public transportation is developed faster and faster, buses occupy dominant position in urban public transportation, and accordingly, the following safety problem is also valued, and in order to reduce the casualty rate and the damage degree of buses when traffic accidents occur, higher requirements are also put forward on the structure of the buses.
When a passenger car collides with the front surface, the impact quantity is large, the car body is often severely deformed and dangerous, and therefore, a structure which can absorb energy and strengthen the front surface of the passenger car during collision needs to be designed.
Disclosure of Invention
The invention aims to provide a front wall anti-collision buffer reinforcing structure of a passenger car, which can quickly absorb collision energy during front collision of the passenger car and reduce the deformation degree of a car body structure so as to improve the safety performance of the passenger car.
For this purpose, the invention adopts the following technical scheme:
an anti-collision buffer reinforcing structure for a front wall of a passenger car, comprising: the buffer unit comprises buffer baffle plates and corrugated plates, wherein the buffer baffle plates and the corrugated plates are alternately arranged to form a multilayer structure; a reinforcing unit comprising a plurality of honeycomb plates, wherein a plurality of the honeycomb plates are arranged in parallel at intervals; and a connection bracket including an upper connection beam and a lower connection beam welded to an inner side of the front wall skeleton of the passenger car for fixedly connecting the plurality of honeycomb panels together, wherein the buffer unit is positioned in front of the reinforcement unit and welded to the reinforcement unit through a plurality of springs.
Further, a plurality of bending plates are arranged between the adjacent honeycomb plates, wherein the cross sections of the bending plates are in a zigzag shape.
Further, the honeycomb plate is provided with a slot matched with the bending plate, and the bending plate is inserted into the slot.
Further, a plug structure is arranged between two adjacent honeycomb plates of the honeycomb plates, the plug structure comprises a connecting seat arranged on one of the two adjacent honeycomb plates and a plug pin arranged on the other one of the two adjacent honeycomb plates, and the plug pin is in plug fit with a plug pin hole on the connecting seat.
Further, a rubber ring is arranged in the bolt hole of the connecting seat, and an inner ring of the rubber ring is plum blossom-shaped.
Further, the wave plate is a galvanized plate, and the whole shape of the wave plate is formed by tangentially connecting a plurality of semicircular cambered surfaces with equal radiuses.
Further, the upper connecting beam is provided with two connecting beams which are respectively positioned at two ends of the tops of the buffer unit and the reinforcing unit, and the lower connecting beam is provided with two connecting beams which are respectively positioned at two ends of the bottoms of the buffer unit and the reinforcing unit.
The invention has the following technical effects:
(1) The invention is applied to the front wall skeleton of the passenger car, has the functions of energy absorption and reinforcement, and can deform both the corrugated plate in the buffer unit and the spring arranged between the buffer unit and the reinforcement unit when the front collision occurs, so that the energy brought by the collision can be quickly absorbed, the reinforcement unit is arranged behind the buffer unit and is connected with the buffer unit, the anti-collision strength of the front wall of the passenger car can be enhanced, the deformation degree of the car body can be reduced, the buffer unit can be prevented from being disassembled and loosened after collision, the powerful guarantee is provided for the energy absorption of the buffer unit, in addition, the honeycomb plates in the reinforcement unit are connected together through the plug-in fit, the honeycomb plates can be mutually supported, the stability is better, and the strength is higher.
(2) The bending plates arranged between the honeycomb plates can collapse when the passenger car collides with the front surface, so that the energy absorption effect can be achieved, and the safety performance of the passenger car is further improved.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and 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. In the drawings:
FIG. 1 is a schematic view of a passenger car front wall crash-proof buffer reinforcement structure according to an embodiment of the invention;
FIG. 2a is a front view of the passenger car front wall crash cushion reinforcement structure shown in FIG. 1;
FIG. 2b is a top view of the front wall crash cushion reinforcement structure of the passenger car shown in FIG. 1;
FIG. 2c is a side view of the passenger car front wall crash cushion reinforcement structure shown in FIG. 1;
FIG. 3a shows a front view of a buffer unit according to the present invention;
FIG. 3b shows a top view of the buffer unit of the present invention;
FIG. 3c shows a side view of the buffer unit of the present invention;
FIG. 3d is an enlarged view of a portion of FIG. 3b at A;
FIG. 4a shows a front view of the front honeycomb panel of the present invention;
FIG. 4b shows a top view of the front honeycomb panel of the present invention;
FIG. 4c illustrates a side view of the front honeycomb panel of the present invention;
FIG. 4d is an enlarged view of a portion of FIG. 4c at B;
FIG. 5a shows a front view of a honeycomb panel of the present invention;
FIG. 5b shows a top view of the honeycomb panel of the present invention;
FIG. 5c shows a side view of a honeycomb panel in the present invention;
FIG. 5d is an enlarged view of a portion of FIG. 5C at C;
FIG. 6a shows a front view of the rear honeycomb panel of the present invention;
FIG. 6b shows a top view of the rear honeycomb panel of the present invention;
FIG. 6c illustrates a side view of the rear honeycomb panel of the present invention;
FIG. 6D is an enlarged view of a portion of FIG. 6c at D;
FIG. 7a shows a front view of the connecting base of the present invention;
FIG. 7b shows a side view of the connection block of the present invention; and
fig. 8 is a schematic view showing a state in which the front wall anti-collision buffer reinforcing structure of the passenger car is connected to the front wall skeleton of the passenger car.
Description of the reference numerals
1. A buffer unit; 11. A buffer baffle;
12. a corrugated plate; 2. A reinforcement unit;
21. a honeycomb panel; 21a, a front honeycomb panel;
21b, middle honeycomb plate; 21c, a rear honeycomb panel;
211. honeycomb holes; 212. A slot;
3. a connecting bracket; 31. An upper connecting beam;
32. a lower connection beam; 4. A spring;
5. a bending plate; 6. A connecting seat;
7. a plug pin; 8. A rubber ring;
100. front wall skeleton of passenger car; 101. A column;
102. and a lower frame.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2a to 2c, the passenger car front wall anti-collision buffer reinforcing structure of the present invention includes a buffer unit 1, a reinforcing unit 2, and a connection bracket 3.
As shown in fig. 1 and fig. 2a to 2c and fig. 3a to 3d, the buffer unit 1 includes three buffer baffle plates 11 and two wave plates 12, wherein three buffer baffle plates 11 are stacked, the wave plates 12 are disposed between two adjacent buffer baffle plates 11 and are connected with the buffer baffle plates 11 together by electric welding, the buffer baffle plates 11 are steel plates with a diameter of 1330mm x 160mm x 2mm and are made of 20# steel, the wave plates 12 are galvanized plates with a length of 1310mm and a plate thickness of 0.5mm, and the whole shape is formed by tangentially connecting a plurality of semicircular cambered surfaces with a radius of 2.5 mm.
As shown in fig. 1 and 2a to 2c, the reinforcing unit 2 is disposed right behind the buffer unit 1, and the reinforcing unit 2 includes a plurality of honeycomb plates 21, wherein the honeycomb plates 21 are rectangular steel plates on which honeycomb holes 211 are arranged, the shape and size of the honeycomb holes 211 are regular hexagons with inscribed circle diameters of 14mm, and the plurality of honeycomb plates 21 are disposed in parallel at intervals and are connected together by plug-in fitting.
As shown in fig. 1 and fig. 2a to 2c and fig. 3a to 3c, fifteen springs 4 are connected between the buffer partition plates 11 adjacent to the reinforcing unit 2 in the buffer unit 1 and the honeycomb plates 21 adjacent to the buffer unit 1 in the reinforcing unit 2, two ends of each spring 4 are welded to the adjacent buffer partition plates 11 and the honeycomb plates 21 respectively, and the springs 4 are arranged in a rectangular array.
As shown in fig. 1 and fig. 2a to 2c, the connection bracket 3 includes two upper connection beams 31 and two lower connection beams 32, wherein the two upper connection beams 31 are respectively disposed at two ends of the tops of the buffer unit 1 and the reinforcement unit 2, and the two upper connection beams 31 are respectively connected with the plurality of honeycomb panels 21 through bolts, the two lower connection beams 32 are respectively disposed at two ends of the bottoms of the buffer unit 1 and the reinforcement unit 2, and the two lower connection beams 32 are respectively connected with the plurality of honeycomb panels 21 through bolts. When the passenger car front wall anti-collision buffer reinforcing structure is practically applied, the connecting bracket 3 is welded on the inner side of the passenger car front wall framework 100, as shown in fig. 8.
Specifically, the upper connecting beam 31 and the lower connecting beam 32 are rectangular steel pipes, the cross section size of each rectangular steel pipe is 40mm 30mm 2mm, and the welding positions of the upper connecting beam 31 and the lower connecting beam 32 are profiled according to the actual modeling of the front wall skeleton of the passenger car so as to be convenient for welding and fixing.
The invention is applied to the front wall skeleton of the passenger car, has the functions of energy absorption and reinforcement, and can deform both the corrugated plate in the buffer unit and the spring arranged between the buffer unit and the reinforcement unit when the front collision occurs, so that the energy brought by the collision can be quickly absorbed, and the reinforcement unit is arranged right behind the buffer unit and connected with the buffer unit, thereby not only enhancing the anti-collision strength of the front wall of the passenger car, reducing the deformation degree of the car body, but also avoiding the buffer unit from being disassembled and loosened after the collision and providing powerful guarantee for energy absorption of the buffer unit.
In addition, the thickness of the buffer baffle plates is thinner, so that the corrugated plates clamped between the buffer baffle plates can absorb energy caused by collision more easily, and the buffer baffle plates can also play a role in energy absorption.
The honeycomb plate 21 is provided with the honeycomb holes 211, which can play a role in greatly reducing weight under the condition of not influencing the rigidity and strength of frontal collision, and can play a role in absorbing energy to a certain extent when side collision or side turning occurs.
In an embodiment, as shown in fig. 1 and fig. 2a to 2c and fig. 4d, fig. 5d, fig. 6d, three bending plates 5 are disposed between two adjacent honeycomb plates 21, the three bending plates 5 are divided into upper, middle and lower three layers, the cross sections of the bending plates 5 are in a zigzag shape, the bending plates 5 are arranged along the plate length direction of the honeycomb plates 21, slots 212 are disposed on the honeycomb plates 21, the bending plates 5 are inserted into the slots 212, and the slots 212 are obliquely disposed and are adapted to the bending parts on two sides of the bending plates 5.
In this embodiment, the bending plates arranged between the honeycomb plates can generate crumple when the passenger car collides with the front surface, so that the energy absorption function can be achieved, the anti-collision buffer performance of the invention is improved, the safety performance of the passenger car can be further improved, in addition, the bending plates are installed in an inserting mode, so that the bending plates are quite convenient to assemble, disassemble and replace, and crumple and energy absorption are not affected.
As shown in fig. 1, fig. 4a to 4d, fig. 5a to 5d, and fig. 6a to 6d, the multiple honeycomb plates 21 in the present invention are divided into a front honeycomb plate 21a, a middle honeycomb plate 21b, and a rear honeycomb plate 21c, wherein three middle honeycomb plates 21b are provided, multiple connection seats 6 are provided on the inner side plate surface of the front honeycomb plate 21a, multiple connection seats 6 and multiple bolts 7 are provided on the two side plate surfaces of the middle honeycomb plate 21b, multiple bolts 7 are provided on the inner side plate surface of the rear honeycomb plate 21c, the multiple connection seats 6 and the multiple bolts 7 are all arranged in a rectangular array and are correspondingly arranged, and the bolts 7 are inserted into the bolt holes of the corresponding connection seats 6 so that the front honeycomb plate 21a, the middle honeycomb plate 21b, and the rear honeycomb plate 21c are connected together in a plug-in-and-fit manner.
The honeycomb plates 21 are connected together in the plugging matching mode, so that the structure is simple, the manufacture is easy, the assembly and disassembly are convenient, the honeycomb plates 21 can be mutually supported, the overall stability is better, the strength is higher, and the reinforcing effect is improved.
In one embodiment, the front honeycomb panel 21a has a size of 1330mm by 160mm by 10mm, the middle honeycomb panel 21b has a size of 1330mm by 160mm by 20mm, and the rear honeycomb panel 21c has a size of 1330mm by 160mm by 20mm.
In an embodiment, as shown in fig. 7a and 7b, a rubber ring 8 for reinforcing the plug connection strength is disposed in the pin hole of the connection seat 6, two rubber rings 8 are disposed in the pin hole, and an inner ring of the rubber ring 8 is plum blossom-shaped, so that the friction force to the plug pin can be increased after the plug pin 7 is inserted, the plug pin 7 is not easy to pull out, and the effect of reinforcing the connection is achieved.
The front end of the bolt 7 is provided with a chamfer to make the bolt easier to pass through the rubber ring when being inserted into the connecting seat.
Each of the pins 7 is provided with a spacer which can play a role in cushioning protection.
In one embodiment, the lower connecting beam 32 is welded at a front end to the passenger car front wall skeleton 100 and at a rear end to the vehicle frame, and the lower connecting beam 32 is supported by the pillar 101 welded to the lower frame 102 of the passenger car front wall skeleton 100.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Enclose anticollision buffering additional strengthening before passenger train, its characterized in that includes:
a buffer unit (1) comprising buffer spacers (11) and corrugated plates (12), wherein the buffer spacers (11) and the corrugated plates (12) are alternately arranged to form a multi-layer structure;
a reinforcement unit (2) comprising a plurality of honeycomb panels (21), wherein a plurality of the honeycomb panels (21) are arranged in parallel at intervals; the honeycomb plate (21) is divided into a front honeycomb plate (21 a), a middle honeycomb plate (21 b) and a rear honeycomb plate (21 c), wherein the middle honeycomb plate (21 b) is provided with three, a plurality of connecting seats (6) are arranged on the inner side plate surface of the front honeycomb plate (21 a), a plurality of connecting seats (6) and a plurality of bolts (7) are respectively arranged on the two side plate surfaces of the middle honeycomb plate (21 b), a plurality of bolts (7) are arranged on the inner side plate surface of the rear honeycomb plate (21 c), the connecting seats (6) and the bolts (7) are arranged in a rectangular array and are correspondingly arranged, and the bolts (7) are inserted into bolt holes of the corresponding connecting seats (6) so that the front honeycomb plate (21 a), the middle honeycomb plate (21 b) and the rear honeycomb plate (21 c) are in plug-in fit connection;
a connecting bracket (3) comprising an upper connecting beam (31) and a lower connecting beam (32), welded to the inner side of the front wall skeleton (100) of the passenger car, used for fixedly connecting a plurality of honeycomb plates (21) together,
wherein the buffer unit (1) is located in front of the reinforcement unit (2) and welded to the reinforcement unit (2) by means of a plurality of springs (4).
2. The passenger car front wall anti-collision buffer reinforcing structure according to claim 1, wherein a plurality of bending plates (5) are arranged between adjacent honeycomb plates (21), and the cross sections of the bending plates (5) are in a zigzag shape.
3. The passenger car front wall anti-collision buffer reinforcing structure according to claim 2, wherein the honeycomb plate (21) is provided with a slot (212) matched with the bending plate (5), and the bending plate (5) is inserted into the slot (212).
4. The passenger car front wall anti-collision buffer reinforcing structure according to claim 1, wherein a plug structure is arranged between two adjacent honeycomb plates (21) of the honeycomb plates (21), the plug structure comprises a connecting seat (6) arranged on one of the two adjacent honeycomb plates (21) and a plug pin (7) arranged on the other, and the plug pin (7) is in plug fit with a plug pin hole on the connecting seat (6).
5. The front wall anti-collision buffer reinforcing structure of the passenger car according to claim 4, wherein a rubber ring (8) is arranged in a bolt hole of the connecting seat (6), and an inner ring of the rubber ring (8) is plum blossom-shaped.
6. The passenger car front wall anti-collision buffer reinforcing structure according to claim 1, wherein the corrugated plate (12) is a galvanized plate, and the integral shape of the corrugated plate (12) is formed by tangentially connecting a plurality of semicircular cambered surfaces with equal radius.
7. The front wall anti-collision buffer reinforcing structure of a passenger car according to claim 1, wherein two upper connecting beams (31) are arranged and are respectively positioned at two ends of the tops of the buffer unit (1) and the reinforcing unit (2), and two lower connecting beams (32) are arranged and are respectively positioned at two ends of the bottoms of the buffer unit (1) and the reinforcing unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359181.XA CN110001787B (en) | 2019-04-30 | 2019-04-30 | Front wall anti-collision buffer reinforcing structure of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359181.XA CN110001787B (en) | 2019-04-30 | 2019-04-30 | Front wall anti-collision buffer reinforcing structure of passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110001787A CN110001787A (en) | 2019-07-12 |
| CN110001787B true CN110001787B (en) | 2024-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359181.XA Active CN110001787B (en) | 2019-04-30 | 2019-04-30 | Front wall anti-collision buffer reinforcing structure of passenger car |
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| Country | Link |
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| CN (1) | CN110001787B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381995Y (en) * | 1997-06-20 | 2000-06-07 | 余利军 | Modular solid-liquid-explosive composite additive armour |
| JP2012219512A (en) * | 2011-04-08 | 2012-11-12 | Tsuda Chiharu | Frame unit |
| CN206781128U (en) * | 2017-04-24 | 2017-12-22 | 福建金诺建材有限公司 | A kind of MULTILAYER COMPOSITE cellular board |
| CN207079843U (en) * | 2017-07-07 | 2018-03-09 | 广州科莱思诚铝业有限公司 | Novel honeycomb plate profile structure |
| CN109322957A (en) * | 2018-11-01 | 2019-02-12 | 北京航空航天大学 | A kind of axial corrugated honeycomb sandwich panel impact resistance energy absorption device |
| CN209938740U (en) * | 2019-04-30 | 2020-01-14 | 安徽安凯汽车股份有限公司 | Enclose crashproof buffering additional strengthening before passenger train |
-
2019
- 2019-04-30 CN CN201910359181.XA patent/CN110001787B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381995Y (en) * | 1997-06-20 | 2000-06-07 | 余利军 | Modular solid-liquid-explosive composite additive armour |
| JP2012219512A (en) * | 2011-04-08 | 2012-11-12 | Tsuda Chiharu | Frame unit |
| CN206781128U (en) * | 2017-04-24 | 2017-12-22 | 福建金诺建材有限公司 | A kind of MULTILAYER COMPOSITE cellular board |
| CN207079843U (en) * | 2017-07-07 | 2018-03-09 | 广州科莱思诚铝业有限公司 | Novel honeycomb plate profile structure |
| CN109322957A (en) * | 2018-11-01 | 2019-02-12 | 北京航空航天大学 | A kind of axial corrugated honeycomb sandwich panel impact resistance energy absorption device |
| CN209938740U (en) * | 2019-04-30 | 2020-01-14 | 安徽安凯汽车股份有限公司 | Enclose crashproof buffering additional strengthening before passenger train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110001787A (en) | 2019-07-12 |
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