CN213768717U - Cross beam for frame and truck frame comprising cross beam - Google Patents
Cross beam for frame and truck frame comprising cross beam Download PDFInfo
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- CN213768717U CN213768717U CN202022929377.9U CN202022929377U CN213768717U CN 213768717 U CN213768717 U CN 213768717U CN 202022929377 U CN202022929377 U CN 202022929377U CN 213768717 U CN213768717 U CN 213768717U
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Abstract
The utility model provides a crossbeam for frame, include: the beam comprises a beam body, a first side and a second side which are arranged oppositely, and a third side and a fourth side which are vertical to the first side and the second side; the second surface is provided with an arc groove, and the center line of the arc groove is superposed with the center line of the second surface; and a second reinforcing layer is arranged on the second surface, and a gap is formed in the middle of the reinforcing layer. Compared with the prior art, the utility model discloses an effect lies in: the cross beam surface is arranged into an arc shape, so that enough avoiding space can be reserved for the transmission shaft, pressure can be dispersed, and the anti-bending and anti-twisting capability is good; the reinforcing layer is arranged to further improve the strength of the reinforcing layer, and the gap is formed to avoid deformation caused by product errors during installation.
Description
Technical Field
The utility model relates to a freight train frame technical field, concretely relates to a frame for freight train that is used for crossbeam of frame and includes this crossbeam.
Background
The commercial truck frame, the crossbeam of controlling the connection play important supporting role, support about longeron, the installation of important transmission shaft gallows in addition, the installation of the thrust bar support of bridge all needs to be installed on the crossbeam. The traditional shaft cross beam is various, the cross beam is formed by punching a die, the transmission shaft cross beam meets the important conditions and supports the longitudinal beam left and right; installing a transmission shaft hanger; a large avoiding space is arranged for the transmission shaft.
The existing cross beam is insufficient in avoiding space of the transmission shaft, cannot bear certain pressure and buffer in installation and use processes, is damaged, and is high in pressure resistance due to the fact that certain errors exist in the machining process, and is extruded and deformed when being installed, and the cross beam with stable structure is very important when being installed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, the utility model provides a frame for freight train that is used for the crossbeam of frame and includes this crossbeam.
The specific technical scheme is as follows:
a cross member for a vehicle frame, characterized in that it comprises: the beam comprises a beam body, a first side and a second side which are arranged oppositely, and a third side and a fourth side which are vertical to the first side and the second side; the second surface is provided with an arc, and the center line of the arc is superposed with the center line of the second surface;
and a second reinforcing layer is arranged on the second surface, and a gap is formed in the middle of the second reinforcing layer.
Compared with the prior art, the utility model discloses an effect lies in: the cross beam surface is arranged into an arc shape, so that enough avoiding space can be reserved for the transmission shaft, pressure can be dispersed, and the anti-bending and anti-twisting capability is good; the reinforcing layer is arranged to further improve the strength of the reinforcing layer, and the gap is formed to avoid deformation caused by product errors during installation.
Furthermore, the distance ratio of the connecting line of the arc end points to the connecting line midpoint to the arc midpoint is (4.5-6): 1.
The beneficial effect of adopting the further technical scheme is that: the ratio is too big, can be because the radian is not enough, and pressure dispersion effect is poor, and the ratio undersize, the radian is too big, and during machining, the processing degree of difficulty is great, takes this proportion, and pressure dispersion is effectual processing of being convenient for again.
Furthermore, the third surface and the short side of the fourth surface comprise symmetrically arranged arc sections.
The beneficial effect of adopting the further technical scheme is that: in the whole vehicle assembly process, the cable can be avoided.
Furthermore, two avoidance holes are formed in the first surface and the second surface, and a plurality of small holes are distributed around the avoidance holes.
The beneficial effect of adopting the further technical scheme is that: the avoiding hole can avoid parts in the installation process, and the small hole facilitates the subsequent installation of parts such as a transmission shaft hanging bracket, an electric appliance support and the like.
Further, a first reinforcing layer is mounted on the first surface.
A truck frame for a truck comprises a left longitudinal beam and a right longitudinal beam, wherein a plurality of cross beams are arranged between the two longitudinal beams, each longitudinal beam comprises a longitudinal beam front section, a longitudinal beam middle section, a longitudinal beam rear section and two longitudinal beam connecting sections, and two end parts of the longitudinal beam middle section are sequentially connected with the longitudinal beam front section and the longitudinal beam rear section through the two longitudinal beam connecting sections respectively; the arrangement height of the longitudinal beam middle section is lower than that of the longitudinal beam front section and the longitudinal beam rear section.
Furthermore, the distance between the front sections of the two opposite longitudinal beams is larger than the distance between the middle sections of the two opposite longitudinal beams and the rear sections of the two opposite longitudinal beams; the distance between the end parts of the front sections of the two opposite longitudinal beams far away from the middle section of the longitudinal beam is larger than that between the end parts of the front sections of the two opposite longitudinal beams close to the middle section of the longitudinal beam.
Furthermore, the longitudinal beam front section, the longitudinal beam middle section, the longitudinal beam rear section and the two longitudinal beam connecting sections are of an integral stamping structure.
Further, the section of the longitudinal beam is U-shaped; and an inner beam is arranged on the inner side of the longitudinal beam.
Furthermore, the outer side of the longitudinal beam is also provided with an outer wrapping beam wrapping the longitudinal beam connecting section.
Further, a plurality of the crossbeam is including setting up preceding automobile body crossbeam, the joist behind the relative two longeron anterior segments and first transmission shaft crossbeam.
Further, the plurality of cross beams comprise a plurality of first connecting section reinforcing beams arranged between two opposite longitudinal beam connecting sections close to the front sections of the longitudinal beams; the plurality of cross beams further comprise a second transmission shaft cross beam and a plurality of second connecting section reinforcing beams, wherein the second transmission shaft cross beam is arranged between two opposite longitudinal beam connecting sections far away from the front longitudinal beam section.
Further, the plurality of cross beams comprise a plurality of middle section stiffening beams and a plurality of transmission shaft loose joint mounting beams which are arranged between the middle sections of the two opposite longitudinal beams.
Further, a plurality of the crossbeam is including setting up tail crossbeam, rear axle crossbeam and a plurality of back end stiffening beam between two relative longeron back ends.
The utility model has the advantages that:
1. this frame for freight train adopts longeron middle section to load the goods, has effectively reduced whole car mass focus, avoids the in-process of transportation goods, and the goods surpasss the restriction of traditional height.
2. The truck frame breaks through the fact that the load distribution of the traditional commercial truck frame is mainly vertical, the stress distribution of the whole truck frame is distributed by adopting the stress rings, the strength of the truck frame is improved, the vibration amplitude of the whole truck movement is reduced, and the stability of the truck in the running process is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a partial structural schematic view of the front section of the longitudinal beam of the present invention;
fig. 5 is a schematic partial structure diagram of one of the longitudinal beam connecting sections of the present invention;
fig. 6 is a partial structural schematic view of another longitudinal beam connecting section of the present invention;
fig. 7 is a schematic view of a partial structure of the middle section of the longitudinal beam of the present invention;
fig. 8 is a partial structural schematic view of the rear section of the longitudinal beam of the present invention;
fig. 9 is a partial structural schematic diagram of another view angle of the present invention.
FIG. 10 is a schematic view of the cross beam;
FIG. 11 is a schematic view of a second reinforcement layer construction;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the automobile body comprises a left longitudinal beam, a right longitudinal beam, 101, a longitudinal beam front section, 102, a longitudinal beam middle section, 103, a longitudinal beam rear section, 104, a longitudinal beam connecting section, 2, a cross beam, 3, an inner beam, 4, an outer wrapping beam, 5, a front automobile body cross beam, 6, an engine rear joist, 7, a cross beam, 701, a first surface, 702, a second surface, 703, a third surface, 7031, a relief hole, 7032, a small hole, 704, a second reinforcing layer, 7041, a connecting hole, 705, a gap, 706, an arc section, 7a, a second transmission shaft cross beam, 8, a first connecting section reinforcing beam, 9, a second connecting section reinforcing beam, 10, a middle section reinforcing beam, 11, a transmission shaft movable connection mounting beam, 12, a tail cross beam, 13, a rear axle cross beam, 14 and a rear section reinforcing beam.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a truck frame for a truck, including two longitudinal beams 1 on the left and right sides, two are provided with a plurality of crossbeams 2 between the longitudinal beams 1, the longitudinal beam 1 includes a longitudinal beam front section 101, a longitudinal beam middle section 102, a longitudinal beam rear section 103 and two longitudinal beam connecting sections 104, the two ends of the longitudinal beam middle section 102 are connected with the longitudinal beam front section 101 and the longitudinal beam rear section 103 in turn through the two longitudinal beam connecting sections 104 respectively; the arrangement height of the longitudinal beam middle section 102 is lower than that of the longitudinal beam front section 101 and the longitudinal beam rear section 103. The longitudinal beam middle section 102 is adopted for loading the cargos, so that the mass center of gravity of the whole vehicle is effectively reduced, and the cargos are prevented from exceeding the limit of the traditional height in the process of transporting the cargos.
The girder of present traditional freight train commercial frame generally adopts along the equal altitude distribution of horizontal direction, whole frame structure single itself, and the load that whole frame bore generally is vertical distribution, leads to the intensity of each frame lower, and whole frame focus is on the high side, and the in-process of loading goods behind the frame installation carriage leads to the goods superelevation very easily and influences the stability of goods. The utility model discloses a frame improves into the dysmorphism roof beam with the punching press of traditional linear type girder, and whole longeron 1 can be seen as an "nearly" font of invering to effectively reduced the focus of whole frame, born the carriage through longeron middle section 102, effectively reduced the height of whole car, also difficult superelevation after loading the goods, promoted the trafficability characteristic of road, its stability of vehicle that adopts this frame also can be promoted by a wide margin.
The utility model discloses in, this truck is with frame's difficult point mainly lies in solebar 1, for the production process of the special-shaped longeron of big cross-section that further explains, still provides the manufacturing approach of following longeron.
The manufacturing method of the longitudinal beam comprises the following steps:
and 3, punching the steel beam punched in the step 2 by using a 5000T oil press, wherein the punching process is carried out in a rotary superposition hedging mode, one end of the steel beam is punched and then turned around in the punching process, the other end of the steel beam is punched, and the middle part of the steel beam is simultaneously superposed and punched in the process of punching two ends of the steel beam so as to prepare the large-section special-shaped longitudinal beam 1.
The utility model also provides an embodiment as follows
As shown in fig. 1, 2 and 3, a truck frame for a truck comprises a left longitudinal beam 1 and a right longitudinal beam 1, wherein the total length of the longitudinal beams is 11.5 meters, a plurality of cross beams 2 are arranged between the two longitudinal beams 1, each longitudinal beam 1 comprises a longitudinal beam front section 101, a longitudinal beam middle section 102, a longitudinal beam rear section 103 and two longitudinal beam connecting sections 104, and two end parts of the longitudinal beam middle section 102 are sequentially connected with the longitudinal beam front section 101 and the longitudinal beam rear section 103 through the two longitudinal beam connecting sections 104; the arrangement height of the longitudinal beam middle section 102 is lower than that of the longitudinal beam front section 101 and the longitudinal beam rear section 103, the longitudinal beam middle section 102 is 4 meters long, and the height difference between the longitudinal beam middle section 102 and the longitudinal beam front section 101 as well as the longitudinal beam rear section 103 is 0.23-0.33 meter (in the embodiment, 0.28 meter is preferred); the whole longitudinal beam 1 is in an inverted 'n' -shaped, the longitudinal beam middle section 102 is used for bearing main load of the whole vehicle, and stress ring distribution is applied in the whole stress distribution process, so that the limitation that the load distribution of the frame of the traditional commercial truck is mainly vertically distributed is broken through, the strength of the frame is improved, and the amplitude of the motion of the whole vehicle is reduced.
In the embodiment, in order to install the engine and the axle, the position of the whole vehicle frame for installing the engine and the axle needs to be wide and shifted; meanwhile, for better road trafficability of the automobile in practice, narrow opening is needed at the position where the carriage is installed on the frame; in order to simultaneously meet the conditions, the distance between the two front longitudinal beam sections 101 is larger than the distance between the two middle longitudinal beam sections 102 and the two rear longitudinal beam sections 103, so that the front longitudinal beam sections 101 are provided with an engine and a bridge, and the middle longitudinal beam sections 102 are provided with a cargo box; because the cab needs to be installed on the front sections 101 of the longitudinal beams of the frame, the frame needs to be further widened, the distance between the end parts of the two front sections 101 of the longitudinal beams far away from the middle sections 102 of the longitudinal beams is larger than that between the end parts of the two front sections of the longitudinal beams close to the middle sections 102 of the longitudinal beams, and a local extending mode is adopted so as to install the cab.
It should be noted that, the longitudinal beam front section 101, the longitudinal beam middle section 102, the longitudinal beam rear section 103 and the two longitudinal beam connecting sections 104 are an integral stamping structure, and an integral stamping mode is adopted, so that the whole longitudinal beam 1 not only generates a variable cross section in the vertical direction, but also generates a variable cross section in the horizontal direction, so as to ensure the strength of the whole frame, reduce the center of gravity of the whole vehicle, and simultaneously meet the installation requirements of various vehicle components.
As shown in fig. 9, in order to improve the torsion resistance of the cross section of the longitudinal beam 1, the cross section of the longitudinal beam 1 is in a U shape; the inner side of the longitudinal beam 1 is provided with an inner beam 3 to distribute the structural stress of the whole longitudinal beam 1.
In addition, the outer side of the longitudinal beam 1 is also provided with an outer wrapping beam 4 wrapping the longitudinal beam connecting section 104, the outer wrapping beam 4 is tightly attached to the longitudinal beam connecting section 104 and is riveted with the longitudinal beam connecting section 104, and therefore the anti-twisting capacity of the longitudinal beam connecting section 104 is improved.
As shown in fig. 4, in the present embodiment, the plurality of cross members 2 includes a front body cross member 5, an engine rear joist 6, and a first transmission shaft cross member 7, which are disposed between two opposing side member front sections 101.
The front car body cross beam 5 is welded by adopting a circular steel tube as a base body, two ends of the circular steel tube support the inner sides of the longitudinal beams 1 and are connected with the longitudinal beams 1 through bolts, the main auxiliary longitudinal beams 1 bear the load of a front car body, and a front trailer hook can be arranged on the main auxiliary longitudinal beams 1; meanwhile, the engine and the auxiliary element of the vehicle body part can be arranged on the engine and the auxiliary element of the vehicle body part.
The rear joist 6 of the engine is a punching and welding assembly, is fixed on the two longitudinal beams 1 through bolts, is used for supporting the bottom of the engine and plays a role in installation and bearing; two longitudinal beam foreparts 101 are respectively provided with an engine front suspension 1a formed by casting a steel casting, and the two engine front suspensions are symmetrically arranged for bearing an engine.
As shown in fig. 10 and 11, the cross beam 7 is a punching tool, and is connected with the two longitudinal beam front sections 101 through a bracket and a bolt on the left and right; the crossbeam includes the crossbeam body, the crossbeam body including relative first face 701 and the second face 702 that sets up, with first face 701 and second face 702 vertically third face 703 and fourth face (not shown in the figure), circular arc groove 7021 has been seted up to second face 702, the central line of circular arc groove with the coincidence of the central line of second face, install second enhancement layer 704 on the second face 702, gap 705 has been seted up in the middle of second enhancement layer 704, and the second enhancement layer welds on the second face, still is equipped with a plurality of connecting holes 7041 all around for connect spare part.
The distance ratio of the connecting line of the arc end points to the connecting line midpoint to the arc midpoint is (4.5-6): 1, and in the embodiment, the ratio is 5.5: 1.
The short sides of the third surface 703 and the fourth surface (not shown in the figure) comprise symmetrically arranged circular arc segments 706.
The first surface 701 and the second surface 702 are provided with two avoidance holes 7031, a plurality of small holes 7032 are distributed around the avoidance holes 7031, and the first surface 701 is provided with a first reinforcing layer 707.
In addition, a urea tank transition support 1b is further mounted on one longitudinal beam front section 101 and used for containing a urea tank, a urea solution is contained in a urea pipe, and harmful gases in automobile exhaust can reach the emission standard through the urea solution. The outer sides of the two longitudinal beam front sections 101 are respectively provided with a plurality of symmetrically distributed plate spring seats 1c for mounting front plate springs.
As shown in fig. 5 and 6, in the present embodiment, the plurality of cross members 2 include a plurality of first-link reinforcing members 8 disposed between two opposing side member links 104 adjacent to the side member front sections 101; the plurality of cross members 2 further include a second transmission shaft cross member 7a provided between two opposite side member connecting sections 104 remote from the side member front sections 101, and a plurality of second connecting section reinforcing members 9.
The first connecting section reinforcing beam 8 and the second connecting section reinforcing beam 9 are stamping die cross beams and are riveted with the longitudinal beam connecting section 104 through bolts, so that the functions of bearing, pressure resistance and torsion resistance are achieved.
The second transmission shaft cross beam 7a is a stamping tooling part, and is connected with the two longitudinal beam connecting sections 104 through a bracket and a bolt on the left and right; the lower part of the first transmission shaft beam 7 is provided with a large semicircular arc for installing a transmission shaft, and the upper part of the first transmission shaft beam is used for supporting a carriage, so that the transmission shaft is reversely fixed, and the first transmission shaft beam is safer and more reliable.
As shown in fig. 7, in the present embodiment, the plurality of cross members 2 includes a plurality of middle-section reinforcing members 10 and a plurality of propeller shaft articulated mounting members 11 disposed between two opposing side member middle sections 102.
The middle section reinforcing beam 10 is a stamping die cross beam and is riveted with the longitudinal beam middle section 102 through a bolt, so that the effects of bearing, pressure resistance and torsion resistance are achieved.
The transmission shaft loose joint mounting beam 11 is a stamping part formed by stamping through a stamping die and used for mounting the transmission shaft loose joint.
As shown in fig. 8, in the present embodiment, the plurality of cross members 2 includes a rear cross member 12, a rear axle cross member 13, and a plurality of rear-section reinforcing members 14, which are disposed between the two opposing side member rear sections 103.
The tail beam 12 is a channel-shaped piece, is riveted with the rear section 103 of the longitudinal beam through a bolt, plays a role in bearing, can be provided with a trailer hook, and plays a role in rear protection.
The rear axle beam 13 comprises an upper butterfly-shaped mounting plate and a lower butterfly-shaped mounting plate, and the two mounting plates are riveted with the longitudinal beam rear section 103 and used for mounting a rear axle.
The rear reinforcing beam 14 is a stamping die cross beam, and is riveted with the longitudinal beam rear section 103 through a bolt, so that the effects of bearing, pressure resistance and torsion resistance are achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A cross member for a vehicle frame, the cross member comprising: the beam comprises a beam body, a first side and a second side which are arranged oppositely, and a third side and a fourth side which are vertical to the first side and the second side; the second surface is provided with an arc groove, and the center line of the arc groove is superposed with the center line of the second surface;
and a second reinforcing layer is arranged on the second surface, and a gap is formed in the middle of the reinforcing layer.
2. The cross beam for the vehicle frame according to claim 1, wherein the distance ratio of a connecting line of the arc groove end points to the distance from the middle point of the connecting line to the middle point of the arc groove is (4.5-6): 1.
3. The cross-member for a vehicle frame according to claim 1, wherein the side edges of the third face and the fourth face comprise symmetrically arranged circular arc segments.
4. The cross beam for the vehicle frame according to claim 1, wherein the first surface and the second surface are provided with two avoidance holes, and a plurality of small holes are distributed around the avoidance holes.
5. A truck frame for a truck comprises a left longitudinal beam and a right longitudinal beam, wherein a plurality of cross beams are arranged between the two longitudinal beams, and the truck frame is characterized in that each longitudinal beam comprises a longitudinal beam front section, a longitudinal beam middle section, a longitudinal beam rear section and two longitudinal beam connecting sections, and two end parts of the longitudinal beam middle section are sequentially connected with the longitudinal beam front section and the longitudinal beam rear section through the two longitudinal beam connecting sections respectively; the arrangement height of the longitudinal beam middle section is lower than that of the longitudinal beam front section and that of the longitudinal beam rear section, and the plurality of cross beams comprise a front vehicle body cross beam arranged between two opposite longitudinal beam front sections, an engine rear joist and the cross beam in any one of claims 1 to 4.
6. A frame for a freight car according to claim 5, wherein the distance between the front sections of two opposite longitudinal beams is greater than the distance between the middle sections of two opposite longitudinal beams and the distance between the rear sections of two opposite longitudinal beams; the distance between the end parts of the front sections of the two opposite longitudinal beams far away from the middle section of the longitudinal beam is larger than that between the end parts of the front sections of the two opposite longitudinal beams close to the middle section of the longitudinal beam.
7. A frame for a truck as claimed in claim 5, wherein said front side member section, said middle side member section, said rear side member section and said two side member connecting sections are of an integral stamped construction.
8. A frame for a truck as claimed in claim 5, wherein said stringers are "U" shaped in cross-section; and an inner beam is arranged on the inner side of the longitudinal beam.
9. A frame for a truck as claimed in claim 5, wherein the outer side of said side member is further provided with an outer wrap member covering the side member connecting section.
10. A truck frame according to claim 5, characterized in that said plurality of cross members comprises a plurality of first joint-section reinforcing beams disposed between opposing longitudinal-member joint sections adjacent the longitudinal-member front sections; the plurality of cross beams further comprise a second transmission shaft cross beam and a plurality of second connecting section reinforcing beams, wherein the second transmission shaft cross beam is arranged between two opposite longitudinal beam connecting sections far away from the front longitudinal beam section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929377.9U CN213768717U (en) | 2020-12-07 | 2020-12-07 | Cross beam for frame and truck frame comprising cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929377.9U CN213768717U (en) | 2020-12-07 | 2020-12-07 | Cross beam for frame and truck frame comprising cross beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213768717U true CN213768717U (en) | 2021-07-23 |
Family
ID=76897690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022929377.9U Active CN213768717U (en) | 2020-12-07 | 2020-12-07 | Cross beam for frame and truck frame comprising cross beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213768717U (en) |
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2020
- 2020-12-07 CN CN202022929377.9U patent/CN213768717U/en active Active
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