CN210235095U - Frame of cargo truck and cargo truck - Google Patents
Frame of cargo truck and cargo truck Download PDFInfo
- Publication number
- CN210235095U CN210235095U CN201920595093.5U CN201920595093U CN210235095U CN 210235095 U CN210235095 U CN 210235095U CN 201920595093 U CN201920595093 U CN 201920595093U CN 210235095 U CN210235095 U CN 210235095U
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- frame
- connecting plate
- cross
- cross beam
- fastener mounting
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- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a frame and freight train of freight train, freight train's frame includes: the two longitudinal beams are transversely arranged at intervals; the transverse beams are sequentially distributed at intervals in the longitudinal direction, and the two transverse ends of each transverse beam are connected to the two longitudinal beams on the two sides through connecting plates, wherein the thickness of at least one transverse beam is larger than or equal to 6mm, and the thickness of at least one connecting plate is larger than or equal to 8 mm. Therefore, through the increase of the thickness of the cross beam and the connecting plate of the freight truck frame, the stress concentration can be effectively reduced, so that the effective matching of the frame and the air suspension is realized, the reliability of the frame is guaranteed on the one hand, the safety and the service life of the whole truck are guaranteed on the other hand, and the development cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the freight train and specifically relates to a frame and freight train of freight train carry cargo.
Background
The frame is a very key part on a cargo truck, and the quality of the structure and the strength of the frame directly determines the quality and the service life of the whole truck. If the strength of the frame is not enough, the frame can crack and parts can fall off in the using process, so that the frame can not be used continuously, and even the vehicle can be damaged in serious cases.
In the related art, the frame of a cargo truck mostly adopts a structure of a leaf spring and a barrel type shock absorber, the air suspension technology is gradually mature along with the development of the technology, and in recent years, a large amount of air suspension systems are started for trucks. Because the difference between the leaf spring suspension system and the air suspension system is large, the acting force and the acting point on the frame are also changed greatly, and the prior frame structure is continued to be used, so that the frame is easy to crack and generate other failure modes, and the quality and the service life of the truck are even influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a freight train's frame carries cargo, this freight train's frame not only simple structure, low in manufacturing cost can also guarantee the security and the life of whole car.
The utility model discloses a freight train has still been provided further.
According to the utility model discloses a freight truck's frame, include: the two longitudinal beams are transversely arranged at intervals; the transverse beams are sequentially distributed at intervals in the longitudinal direction, and the two transverse ends of each transverse beam are connected to the two longitudinal beams on the two sides through connecting plates, wherein the thickness of at least one transverse beam is larger than or equal to 6mm, and the thickness of at least one connecting plate is larger than or equal to 8 mm.
Therefore, through the increase of the thickness of the cross beam and the connecting plate of the freight truck frame, the stress concentration can be effectively reduced, so that the effective matching of the frame and the air suspension is realized, the reliability of the frame is guaranteed on the one hand, the safety and the service life of the whole truck are guaranteed on the other hand, and the development cost is reduced.
In some examples of the invention, the plurality of beams comprises at least: the first cross beam, the second cross beam, the third cross beam and the fourth cross beam are sequentially arranged from front to back, and the thicknesses of the first cross beam, the third cross beam and the fourth cross beam are larger than or equal to 6 mm.
In some examples of the invention, the plate thickness of the first beam, the third beam and the fourth beam is the same.
In some examples of the present invention, the first beam, the third beam and the fourth beam correspond to a plate thickness of the connecting plate is equal to or greater than 8 mm.
In some examples of the present invention, the plate thickness of the connecting plate to which the first beam, the third beam and the fourth beam correspond is the same.
In some examples of the present invention, two connecting plates are corresponding to one transverse end of each cross beam, and the two connecting plates are respectively an upper connecting plate and a lower connecting plate which are arranged at an interval from top to bottom; the upper junction plate with the lower connecting plate all includes: the connecting part of the longitudinal beam is provided with a plurality of fastener mounting holes which are sequentially arranged from front to back; the position of the fastener mounting hole of the lower connecting plate corresponding to the first cross beam is at least one more than that of the fastener mounting hole of the upper connecting plate; the number of the fastener mounting holes of the upper connecting plate and the number of the fastener mounting holes of the lower connecting plate, which correspond to the third cross beam and the fourth cross beam, are the same.
In some examples of the present invention, the number of the fastener mounting holes of the upper connecting plate corresponding to the first beam is 7 and the number of the fastener mounting holes of the lower connecting plate is 8; the number of the fastener mounting holes of the upper connecting plate and the lower connecting plate corresponding to the third cross beam is 11; the number of the fastener mounting holes of the upper connecting plate and the lower connecting plate corresponding to the fourth cross beam is 11.
The utility model discloses an in some examples, the third crossbeam corresponds down the connecting plate the longeron connecting portion with the fourth crossbeam corresponds down the connecting plate the longeron connecting portion all correspond in the inboard and are provided with the reinforcement backing plate, the reinforcement backing plate be provided with the corresponding perforation of fastener mounting hole.
In some examples of the present invention, a plate thickness of the reinforcing mat plate is 4mm or more.
According to the utility model discloses a cargo truck, it includes cargo truck's frame.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a frame of a cargo truck according to an embodiment of the present invention;
fig. 2 is a schematic view of a first cross member according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a longitudinal beam connecting portion of a first cross member according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a third cross member according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a fourth cross member according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the side member connecting portions of the third and fourth cross members.
Reference numerals:
a frame 100 of a cargo truck;
a longitudinal beam 10;
a cross member 20; a first cross member 21; a second cross member 22; a third cross member 23; a fourth cross member 24;
the backing plate 40 is reinforced.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
The frame 100 of the cargo truck according to the embodiment of the present invention is described below with reference to fig. 1 to 6, the frame 100 of the cargo truck is a very critical part of the cargo truck, most parts of the truck are arranged on the frame 100, and the quality of the structure and the strength of the frame 100 directly determines the quality and the service life of the whole truck.
As shown in fig. 1, a frame 100 of a cargo truck according to an embodiment of the present invention includes: two longitudinal beams 10, a plurality of cross beams 20 and a connecting plate 30.
As shown in fig. 1, the two longitudinal beams 10 are arranged transversely and head-to-tail oppositely, the length of the two longitudinal beams 10 is the same, the length is determined by the weight of the loaded goods, the goods wagon is divided into different types according to the weight of the loaded goods, and the length of the longitudinal beam 10 of the goods wagon in different types is different. A certain distance is left between the two longitudinal beams 10, the distance of the distance determines the width of the frame 100, and a component for reinforcing the strength of the frame 100 can be arranged between the two longitudinal beams 10 to improve the stability of the frame 100. The longitudinal member 10 is an important component of the frame 100 of a utility truck, which determines the stability of the frame 100 and thus the mass and life of the entire truck.
As shown in fig. 1, a plurality of cross beams 20 are disposed between two longitudinal beams 10, the plurality of cross beams 20 are sequentially arranged in the longitudinal direction, four cross beams 20 may be disposed between the two longitudinal beams 10, of course, other numbers of cross beams 20 may be provided, the number of the cross beams 20 may be determined according to the types of trucks, and the number of the cross beams 20 of trucks of different types is different. The plurality of cross beams 20 are arranged at intervals, and the distances between each cross beam 20 are different, and the distances between the cross beams can be the same or different.
The plate thickness of at least one beam 20 among the plurality of beams 20 should be set to be 6mm or more, and since the difference between the plate spring suspension system and the air suspension system is large, the endurance test and the CAE three-dimensional simulation calculation are performed. Through carrying out endurance test, the crossbeam in air suspension front portion has the fracture phenomenon to through CAE three-dimensional simulation calculation, find that several crossbeams have the local stress too big phenomenon. Therefore, the structure is optimized through CAE analysis, the thickness of the cross beam 20 is increased, wherein the plate thickness of at least one cross beam 20 in the plurality of cross beams 20 is set to be greater than or equal to 6mm, so that the local stress of the cross beam 20 can be prevented from being too large, and the frame 100 is prevented from cracking.
The connecting plates 30 connect the two transverse ends of each cross beam 20 to the longitudinal beams 10 on the two sides of the cross beam 20, the connecting plates 30 are arranged at the two ends of the cross beam 20, and each end of the cross beam 20 is respectively provided with an upper connecting plate 30 and a lower connecting plate 30. Through carrying out endurance test, the phenomenon of cracking of the connecting plate is found, and through CAE three-dimensional simulation calculation, the phenomenon of overlarge local stress of the connecting plate is found. Therefore, structural optimization is carried out through CAE analysis, the thickness of the connecting plates 30 is increased, wherein the thickness of at least one connecting plate 30 is larger than or equal to 8mm, the phenomenon that local stress of dangerous parts is overlarge can be effectively improved, and the overall strength of the frame 100 is increased.
Therefore, through increasing the thicknesses of the cross beam 20 and the connecting plate 30 of the freight truck frame 100, stress concentration can be effectively reduced, and therefore the effective matching of the frame 100 and the air suspension is achieved, the reliability of the frame 100 is guaranteed on the one hand, the safety and the service life of the whole truck are guaranteed on the other hand, and the development cost is reduced.
According to a specific embodiment of the present invention, as shown in fig. 1, the plurality of beams 20 at least include: the first beam 21, the second beam 22, the third beam 23 and the fourth beam 24 are arranged from front to back in sequence, and more beams 20 can be provided. Because the first cross beam 21, the third cross beam 23 and the fourth cross beam 24 are prone to cracking caused by excessive local stress, the plate thicknesses of the first cross beam 21, the third cross beam 23 and the fourth cross beam 24 are increased to be equal to or greater than 6mm by adopting a mode of increasing the plate thicknesses of the first cross beam 21, the third cross beam 23 and the fourth cross beam 24, and the plate thicknesses of other cross beams 20 can also be increased to be equal to or greater than 6mm except the first cross beam 21, the third cross beam 23 and the fourth cross beam 24. By increasing the plate thickness of the first cross member 21, the third cross member 23, and the fourth cross member 24, excessive local stress thereof can be avoided, thereby increasing the overall strength of the vehicle frame 100.
According to an embodiment of the present invention, the plate thicknesses of the first beam 21, the third beam 23 and the fourth beam 24 are the same, and of course, the plate thicknesses of the first beam 21, the third beam 23 and the fourth beam 24 may be different from each other; the plate thicknesses of the partial cross members 20 may be the same, and the plate thicknesses of the partial cross members 20 may be different. The plate thicknesses of the first cross beam 21, the third cross beam 23 and the fourth cross beam 24 are set to be the same, so that the production and the manufacture are more convenient.
According to the present invention, the thickness of the connecting plates 30 corresponding to the first beam 21, the third beam 23 and the fourth beam 24 is equal to or greater than 8mm, and the thickness of the other connecting plates 30 can be set to be equal to or greater than 8mm except the connecting plates 30 corresponding to the first beam 21, the third beam 23 and the fourth beam 24. By adopting the mode of increasing the thickness of the connecting plates 30 corresponding to the first cross beam 21, the third cross beam 23 and the fourth cross beam 24, the phenomenon that the local stress of the connecting plates 30 corresponding to the first cross beam 21, the third cross beam 23 and the fourth cross beam 24 is overlarge can be effectively improved, so that the stability of the frame 100 can be increased.
According to an embodiment of the present invention, the thicknesses of the connecting plates 30 corresponding to the first beam 21, the third beam 23 and the fourth beam 24 are the same, and of course, the thicknesses of the connecting plates 30 corresponding to the first beam 21, the third beam 23 and the fourth beam 24 may be different; the thicknesses of part of the connecting plates 30 can be the same, and the thicknesses of part of the connecting plates 30 can be different; of course, the plate thickness of the connecting plates 30 corresponding to the other cross members 20 may be set to be the same as the plate thickness of the connecting plates 30 corresponding to the first cross member 21, the third cross member 23, and the fourth cross member 24, in addition to the connecting plates 30 corresponding to the first cross member 21, the third cross member 23, and the fourth cross member 24. The plate thicknesses of the first cross beam 21, the third cross beam 23 and the fourth cross beam 24 are set to be the same, so that the production and the manufacture are more convenient.
According to a specific embodiment of the present invention, as shown in fig. 2-6, two connecting plates 30 are respectively corresponding to one transverse end of each cross beam 20, the two connecting plates 30 are respectively an upper connecting plate 31 and a lower connecting plate 32 which are arranged at an interval from top to bottom, and the upper connecting plate 31 and the lower connecting plate 32 are arranged oppositely; the upper connecting plate 31 and the lower connecting plate 32 each include: the transverse beam connecting part and the longitudinal beam connecting part are connected, and the transverse beam connecting part and the longitudinal beam connecting part are vertically connected; the beam connecting part is in an isosceles trapezoid shape, the upper half part of the beam connecting part is provided with mounting holes, and the mounting holes can be arranged in two rows or multiple rows; the cross member connecting portion may be provided with a plurality of rows of mounting holes having the same number, or a plurality of rows of mounting holes having different numbers, and the cross member 20 and the upper connecting plate 31 may be fixed together by using a fastener. The longitudinal beam connecting part is in a long rectangular shape, a plurality of fastener mounting holes which are sequentially arranged front and back are formed in the longitudinal beam connecting part, the front position of the fastener mounting hole of the longitudinal beam connecting part of the lower connecting plate 32 corresponding to the first cross beam 21 is at least one more than that of the fastener mounting hole of the longitudinal beam connecting part of the upper connecting plate 31, and at least one additional fastener is used for connection; the number of the fastener mounting holes of the longitudinal beam connecting part of the upper connecting plate 31 and the number of the fastener mounting holes of the longitudinal beam connecting part of the lower connecting plate 32 corresponding to the third cross beam 23 and the fourth cross beam 24 are the same.
According to a specific embodiment of the present invention, as shown in fig. 2 to fig. 6, the number of the fastener mounting holes provided in the longitudinal beam connecting portion of the upper connecting plate 31 corresponding to the first cross beam 21 is 7, and the number of the fastener mounting holes provided in the longitudinal beam connecting portion of the lower connecting plate 32 is 8, compared with the related art, the number of the fastener mounting holes provided in the longitudinal beam connecting portion of the upper connecting plate 31 is not changed, and the number of the fastener mounting holes provided in the longitudinal beam connecting portion of the lower connecting plate 32 is one more than the number of the fastener mounting holes provided in the longitudinal beam connecting portion of the upper connecting plate 31. The number of the fastener mounting holes of the longitudinal beam connecting part of the upper connecting plate 31 and the longitudinal beam connecting part of the lower connecting plate 32 corresponding to the third cross beam 23 is 11; the number of the fastener mounting holes of the longitudinal beam connecting portion of the upper connecting plate 31 and the longitudinal beam connecting portion of the lower connecting plate 32 corresponding to the fourth cross beam 24 is 11, and the number of the fastener mounting holes of the longitudinal beam connecting portions of the upper connecting plate 31 and the lower connecting plate 32 of the third cross beam 23 and the fourth cross beam 24 is the same as that of the fastener mounting holes of the longitudinal beam connecting portions.
According to a specific embodiment of the present invention, as shown in fig. 3-6, the longitudinal beam connecting portion of the lower connecting plate 32 corresponding to the third beam 23 and the longitudinal beam connecting portion of the lower connecting plate 32 corresponding to the fourth beam 24 are both provided with the reinforcing pad 40 in the inner side, the reinforcing pad 40 is provided with a through hole corresponding to the fastener mounting hole, the reinforcing pad 40 can be disposed at the middle position inside the longitudinal beam connecting portions of the two lower connecting plates 32, and of course, it can be disposed at other positions inside the longitudinal beam connecting portions of the two lower connecting plates 32. The reinforcing mat 40 can be made of high-strength steel or other materials with high strength, and stress concentration points can be eliminated by arranging the reinforcing mat 40, so that the stability of the frame 100 is enhanced.
According to the utility model discloses a concrete embodiment, the board of reinforcing backing plate 40 should be thick and set up to more than or equal to 4mm, and the reinforcing backing plate adopts the material that intensity satisfies the demand such as high-strength steel, and the reinforcing backing plate 40 that sets up thickness more than or equal to 4mm in the inboard of the longeron connecting portion of the lower junction plate 32 that third crossbeam 23 corresponds and the longeron connecting portion of the lower junction plate 32 that fourth crossbeam 24 corresponds helps the stress concentration point of elimination.
According to the utility model discloses a cargo truck, its frame 100 that includes the cargo truck of above-mentioned embodiment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A frame for a cargo truck, comprising:
the two longitudinal beams are transversely arranged at intervals;
a plurality of cross beams which are sequentially distributed at intervals in the longitudinal direction, and the two transverse ends of each cross beam are connected with the two longitudinal beams at the two sides through connecting plates, wherein,
the plate thickness of at least one beam is greater than or equal to 6mm, and the plate thickness of at least one connecting plate is greater than or equal to 8 mm.
2. The frame of a cargo truck according to claim 1, characterized in that said plurality of cross-members comprises at least: the first cross beam, the second cross beam, the third cross beam and the fourth cross beam are sequentially arranged from front to back, and the thicknesses of the first cross beam, the third cross beam and the fourth cross beam are larger than or equal to 6 mm.
3. The cargo truck frame of claim 2, wherein the first cross member, the third cross member and the fourth cross member are of the same sheet thickness.
4. The frame of a cargo truck according to claim 2, characterized in that the plate thicknesses of the connecting plates corresponding to the first cross member, the third cross member and the fourth cross member are each equal to or greater than 8 mm.
5. The truck frame of claim 4, wherein the webs of the first, third and fourth cross members are of the same thickness.
6. The frame of a cargo truck as defined in claim 2, wherein each of said cross members has two of said connecting plates at a lateral end thereof, said two connecting plates being respectively an upper connecting plate and a lower connecting plate spaced apart from each other in an up-down direction;
the upper junction plate with the lower connecting plate all includes: the connecting part of the longitudinal beam is provided with a plurality of fastener mounting holes which are sequentially arranged from front to back;
the position of the fastener mounting hole of the lower connecting plate corresponding to the first cross beam is at least one more than that of the fastener mounting hole of the upper connecting plate;
the number of the fastener mounting holes of the upper connecting plate and the number of the fastener mounting holes of the lower connecting plate, which correspond to the third cross beam and the fourth cross beam, are the same.
7. A frame for a cargo truck according to claim 6,
the number of the fastener mounting holes of the upper connecting plate corresponding to the first cross beam is 7, and the number of the fastener mounting holes of the lower connecting plate is 8;
the number of the fastener mounting holes of the upper connecting plate and the lower connecting plate corresponding to the third cross beam is 11;
the number of the fastener mounting holes of the upper connecting plate and the lower connecting plate corresponding to the fourth cross beam is 11.
8. The cargo truck frame of claim 6, wherein said rail connecting portion of said lower web corresponding to said third cross member and said rail connecting portion of said lower web corresponding to said fourth cross member are each provided with a reinforcing pad corresponding to an inner side, said reinforcing pad being provided with a through hole corresponding to said fastener mounting hole.
9. The frame of a cargo truck according to claim 8, characterized in that the plate thickness of the reinforcement mat is 4mm or more.
10. A cargo truck comprising a frame of a cargo truck according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595093.5U CN210235095U (en) | 2019-04-26 | 2019-04-26 | Frame of cargo truck and cargo truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595093.5U CN210235095U (en) | 2019-04-26 | 2019-04-26 | Frame of cargo truck and cargo truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210235095U true CN210235095U (en) | 2020-04-03 |
Family
ID=69969140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595093.5U Expired - Fee Related CN210235095U (en) | 2019-04-26 | 2019-04-26 | Frame of cargo truck and cargo truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210235095U (en) |
-
2019
- 2019-04-26 CN CN201920595093.5U patent/CN210235095U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |