CN211943208U - Buffer type front lower protection device for truck - Google Patents
Buffer type front lower protection device for truck Download PDFInfo
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- CN211943208U CN211943208U CN202020198972.7U CN202020198972U CN211943208U CN 211943208 U CN211943208 U CN 211943208U CN 202020198972 U CN202020198972 U CN 202020198972U CN 211943208 U CN211943208 U CN 211943208U
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- front lower
- assembly
- energy absorption
- bracket
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Abstract
The utility model belongs to the technical field of medium and heavy duty truck chassis, in particular to a buffer type front and lower protection device for a truck; the energy absorption box comprises a front lower protection bracket, an energy absorption box assembly, a front lower protection beam assembly and plugs, wherein the front lower protection bracket is connected in front of the energy absorption box assembly through bolts; the front lower protection installation requirement and the performance requirement are met, the buffering energy absorption device is additionally arranged, a car driver in collision is effectively protected, and the automobile collision protection device is simple in structure, high in reliability and low in cost.
Description
Technical Field
The utility model belongs to the technical field of well heavy duty truck chassis, in particular to protector under before buffer type for truck.
Background
At present, the number of trucks in China is more than 1900, which accounts for 7.8% of the total number of the motor vehicle, but the number of deaths caused by truck accidents accounts for about 28% of the total number of deaths caused by traffic accidents. Truck accidents in the country cause 18000 deaths of many people each year, and almost every hour two people die from truck accidents. In the face of such severe truck traffic accidents, the national standards committee sets up the protection requirement for the front lower part of the commercial vehicle, which is suitable for China, GB26511-2011 the protection requirement for the front lower part of the commercial vehicle.
However, the following problems mainly exist for the front lower protection of the existing medium-sized heavy-duty truck:
(1) most front lower protective devices do not have the function of buffering energy absorption, and the protection for car drivers is insufficient when collision occurs.
(2) And the front lower protection structure of the part is complex in design and high in cost.
Disclosure of Invention
In order to overcome the problem, the utility model provides a protector under before with buffering formula of truck has satisfied preceding protection installation requirement and performance requirement down to install buffering energy-absorbing device additional, effectively protect the car driver in the collision, and simple structure, reliability height, with low costs.
The utility model provides a protector under before buffer type for truck, includes preceding protective bracket 1, energy-absorbing box assembly 2, preceding protection crossbeam assembly 3 and end cap 4 down, wherein preceding protection bracket 1 bolted connection is in energy-absorbing box assembly 2 the place ahead down, and 2 bolted connections of energy-absorbing box assembly are on preceding protection crossbeam assembly 3 down, and preceding protection crossbeam assembly 3 both ends all imbed end cap 4 down.
The front lower protective bracket 1 comprises a bracket 101 and a connecting plate 102, wherein the bracket 101 is welded on the connecting plate 102, and the connecting plate 102 is provided with a plurality of bolt holes 103.
The energy absorption box assembly 2 comprises a first steel plate 201, an energy absorption box 202 and a second steel plate 203, wherein the first steel plate 201 and the second steel plate 203 are respectively welded at the front end and the rear end of the energy absorption box 202, and a plurality of collapse holes are formed in the energy absorption box 202.
The front lower protective beam assembly 3 comprises a front lower protective beam 301 and a projection welding nut 302, wherein the projection welding nut 302 is welded at the front end of the front lower protective beam 301.
The utility model has the advantages that:
(1) the utility model has the advantages of simple structure, easily assembly, processing is simple, and is with low costs.
(2) The utility model discloses whole firm in connection is reliable, and life is high.
(3) The utility model discloses a preceding lower protection crossbeam adopts high strength steel sheet, light in weight.
(4) The utility model discloses a preceding lower protection energy-absorbing box simple structure, easily production.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front lower protective bracket of the present invention;
FIG. 3 is a schematic structural view of the energy-absorbing box assembly of the present invention;
FIG. 4 is a schematic structural view of the energy-absorbing box of the present invention;
FIG. 5 is a schematic structural view of a front lower protective beam assembly of the present invention;
fig. 6 is a schematic view of the plug structure of the present invention.
Wherein: 1, a front lower protective bracket; 101, a bracket; 102 a connecting plate; 103 bolt holes; 2, an energy absorption box assembly; 201, a first steel plate; 202 an energy absorption box; 203 steel plate II; 3, a front lower protection beam assembly; 301 front lower guard beam; 302 projection welding of nuts; and 4, plugging the plug.
Detailed Description
As shown in fig. 1, a truck uses protection device under buffering formula, including preceding lower protective bracket 1, energy-absorbing box assembly 2, preceding lower protection crossbeam assembly 3 and end cap 4, wherein preceding lower protective bracket 1 bolted connection is in energy-absorbing box assembly 2 the place ahead, energy-absorbing box assembly 2 bolted connection is on preceding lower protection crossbeam assembly 3, and end cap 4 has all been inlayed at preceding lower protection crossbeam assembly 3 both ends.
As shown in fig. 2, the lower front protection bracket 1 includes a bracket 101 and a connecting plate 102, wherein the bracket 11 is welded to the connecting plate 102, and the connecting plate 102 is provided with a plurality of bolt holes 103.
As shown in fig. 3 and 4, the energy absorption box assembly 2 includes a first steel plate 201, an energy absorption box 202, and a second steel plate 203, wherein the first steel plate 201 and the second steel plate 203 are respectively welded at front and rear ends of the energy absorption box 202, and a plurality of collapse holes are formed in the energy absorption box 202.
As shown in fig. 5, the front lower protective beam assembly 3 includes a front lower protective beam 301 and a projection nut 302, wherein the projection nut 302 is welded to the front end of the front lower protective beam 301.
Bolts penetrate through bolt holes 103 in the front lower protective support 1 and are fastened on a second steel plate 203 of the energy absorption box assembly 2, and a first steel plate 201 of the energy absorption box assembly 2 and projection welding nuts 302 on the front lower protective beam assembly 3 are fastened together through the bolts.
The utility model discloses a preceding one end bolted connection of lower protective bracket 1 is on the frame, and preceding lower protective bracket 1's the other end passes through bolt assembly to be connected on energy-absorbing box assembly 2, 2 one ends of energy-absorbing box assembly are passed through bolt assembly and are connected on preceding lower protective bracket 1, and the other end passes through bolt assembly to be connected on preceding lower protection crossbeam 3.
The utility model discloses control complete symmetry, be equipped with two energy-absorbing box assemblies 2 on the preceding lower protection crossbeam assembly 3, all be connected with preceding lower protective bracket 1 on every energy-absorbing box assembly 2.
Fig. 2 shows a front lower protective bracket 1, wherein one end of a bracket 101 of the front lower protective bracket is connected with an energy absorption box assembly 2 through a bolt component, and the other end of the bracket 101 is connected with a frame longitudinal beam through a bolt component. The front lower protective bracket 1 is made of QT450-10 and is formed by adopting a casting process. And energy absorption box assembly2, four bolt holes 103 are arranged on the connecting plate 102 connected with each other, and the diameters of the bolt holes are all
15。
FIG. 3 shows the crash box assembly 2. The energy absorption box assembly 2 comprises a first steel plate 201, an energy absorption box 202 and a second steel plate 203 which are welded. The first steel plate 201 and the second steel plate 203 are made of 500L. The energy-absorbing box assembly 2 is collapsed when stressed to absorb impact energy, so that the safety of members colliding with the car is protected.
FIG. 4 shows a crash box 202, which is formed by bending and welding a 6mm thick steel plate. Its main function is to absorb the energy generated upon impact. The length of the energy absorption box 202 is 195mm, the section of the connecting end of the energy absorption box and the second steel plate 203 is rectangular, the size of the rectangular section is 130mm multiplied by 90mm, the section of the connecting end of the energy absorption box and the first steel plate 201 is rectangular, and the size of the rectangular section is 95mm multiplied by 70 mm. The energy absorption box 202 is provided with collapse holes, and through the arrangement of the collapse holes, the energy absorption box 202 can collapse in a certain direction when being impacted, so as to absorb energy.
Fig. 5 shows a front lower protective beam assembly 3, which is formed by welding a front lower protective beam 301 and a projection welding nut 302; the thickness of the front lower guard beam 301 is 3mm, the front lower guard beam is formed by rolling 700L high-strength steel plates, and the section size of the front lower guard beam is 120mm multiplied by 90 mm. On the basis of meeting the requirements of regulations, the weight of the front lower protective crossbeam 301 is lower than that of a common steel plate, and lightweight design is achieved.
Fig. 6 is end caps 4 at two ends of the front lower protective beam assembly 3, so that the front lower protective beam assembly 3 is prevented from being corroded by rainwater, and the overall attractiveness of the rear protective device is improved.
The utility model discloses be used in on the heavy truck car, mainly used satisfies the installation requirement and the protection requirement of GB 26511-2011. The utility model discloses preceding protector simple structure down, simple to operate, life is high, buffering energy-absorbing effect when can realizing the collision. The above is the preferred case of the present invention, but the present invention is not limited to the limited range shown in the drawings, and all the changes made according to the concept of the present invention or the equivalent embodiment modified to the equivalent change should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a protector under before buffer type for truck, its characterized in that is including preceding protective bracket (1) down, energy-absorbing box assembly (2), preceding protection crossbeam assembly (3) and end cap (4) down, wherein preceding protective bracket (1) bolted connection is in energy-absorbing box assembly (2) the place ahead down, and energy-absorbing box assembly (2) bolted connection is in preceding protection crossbeam assembly (3) down, and preceding protection crossbeam assembly (3) both ends all are embedded into end cap (4) down.
2. The buffer type front lower protection device for the truck as claimed in claim 1, wherein the front lower protection bracket (1) comprises a bracket (101) and a connecting plate (102), wherein the bracket (101) is welded on the connecting plate (102), and the connecting plate (102) is provided with a plurality of bolt holes (103).
3. The buffer type front lower protection device for the truck according to claim 2, wherein the energy absorption box assembly (2) comprises a first steel plate (201), an energy absorption box (202) and a second steel plate (203), wherein the first steel plate (201) and the second steel plate (203) are respectively welded at the front end and the rear end of the energy absorption box (202), and a plurality of collapse holes are formed in the energy absorption box (202).
4. The front lower bumper of claim 3, wherein said front lower bumper assembly (3) comprises a front lower bumper beam (301) and a projection nut (302), wherein said projection nut (302) is welded to the front end of said front lower bumper beam (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198972.7U CN211943208U (en) | 2020-02-24 | 2020-02-24 | Buffer type front lower protection device for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198972.7U CN211943208U (en) | 2020-02-24 | 2020-02-24 | Buffer type front lower protection device for truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211943208U true CN211943208U (en) | 2020-11-17 |
Family
ID=73196174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020198972.7U Active CN211943208U (en) | 2020-02-24 | 2020-02-24 | Buffer type front lower protection device for truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211943208U (en) |
-
2020
- 2020-02-24 CN CN202020198972.7U patent/CN211943208U/en active Active
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