CN214356260U - Vehicle frame and vehicle - Google Patents

Abstract

The utility model provides a frame and vehicle, this frame include longeron, tail crossbeam and rotation axis, and the longeron is including arranging relatively and first longeron and the second longeron that the interval set up. The two ends of the tail cross beam are respectively connected to the first longitudinal beam and the second longitudinal beam, and the tail cross beam is connected with the first longitudinal beam and the second longitudinal beam through connecting faces. The rotating shaft comprises a first rotating shaft connected to the first longitudinal beam and a second rotating shaft connected to the second longitudinal beam, and the first rotating shaft and the second rotating shaft are connected through a through shaft. The utility model provides a vehicle includes this frame. The utility model discloses increased holistic rigidity of frame and intensity, improved the structural stability of frame, prolonged the life of frame.

Description

Vehicle frame and vehicle

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a frame and vehicle.

Background

The mining dump truck is mainly applied to the fields of mining, quarrying, water conservancy, constructional engineering and the like, wherein the frame is one of the most key parts of the mining truck.

At present, the frame of the mining vehicle comprises two groups of frame longitudinal beams, at least one group of frame cross beams, a frame tail cross beam and a rotating shaft support. The frame longitudinal beam is of a groove-shaped beam structure, the two ends of the frame cross beam are abutted to the grooves of the frame longitudinal beam, the frame tail cross beam is of a square tube structure, the frame tail cross beam is arranged at the end part of the frame longitudinal beam and penetrates through the grooves of the frame longitudinal beam, the two sides of the frame tail cross beam are provided with extending parts, and the two sets of rotating shaft supports are respectively arranged on the extending parts of the two sides. Fig. 1 is a schematic structural diagram of a frame tail cross beam in the related art, and referring to fig. 1, a tubular tail cross beam 110 is arranged at an end of a frame longitudinal beam 120, two sets of rotating shaft supports 130 are respectively arranged on extensions of the tail cross beam 110, a rotating shaft 131 is arranged on the rotating shaft supports 130, and the rotating shaft 131 is connected with a mining car carriage.

However, the stress at the joint of the longitudinal beam and the tail cross beam in the frame is concentrated, the rotating shaft supports on two sides of the tail cross beam are prone to stress unevenness, the frame stability is poor, and the service life of the frame is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one problem mentioned in the background art, the utility model provides a frame and vehicle has increased the holistic rigidity of frame and intensity, has improved the structural stability of frame, has prolonged the life of frame.

In order to realize the above-mentioned purpose, first aspect, the utility model provides a frame is used on the vehicle, and this frame includes longeron, tail crossbeam and rotation axis, and the longeron is including arranging relatively and first longeron and the second longeron that the interval set up. The two ends of the tail cross beam are respectively connected to the first longitudinal beam and the second longitudinal beam, and the tail cross beam is connected with the first longitudinal beam and the second longitudinal beam through connecting faces. The rotating shaft comprises a first rotating shaft connected to the first longitudinal beam and a second rotating shaft connected to the second longitudinal beam, and the first rotating shaft and the second rotating shaft are connected through a through shaft.

The utility model provides a frame, through setting up the face between tail crossbeam and first longeron, the second longeron and connecting, improved the area of contact between tail crossbeam and the longeron, reduced the stress of junction. Through setting up between first rotation axis and the second rotation axis through-connection, the rotation axis atress of solebar both sides is even, has improved the stability of frame in the use to the life of frame has been prolonged.

In the above vehicle frame, optionally, the vehicle frame includes a main frame and an auxiliary frame, and the main frame and the auxiliary frame are connected by a first connecting assembly; the longitudinal beam and the tail cross beam are positioned on the main frame, and the rotating shaft and the through shaft are positioned on the auxiliary frame.

Such an arrangement may improve the overall stiffness and strength of the vehicle frame.

In the frame, optionally, the first longitudinal beam and the second longitudinal beam are channel beams, and the channel opening of the first longitudinal beam is opposite to the channel opening of the second longitudinal beam.

Such an arrangement is advantageous in increasing the supporting force of the side member.

In the above vehicle frame, optionally, the tail cross beam and the longitudinal beam are connected by a second connection assembly, a first connection surface is provided between the second connection assembly and the tail cross beam, and a second connection surface is provided between the second connection assembly and the tail cross beam.

Through setting up and adopting the connection face to be connected between tail crossbeam and the second coupling assembling, reduce between tail crossbeam and the second coupling assembling at connecting piece department stress, further improve the area of the connection face between tail crossbeam and the longeron to increase the joint strength of tail crossbeam and longeron.

In the above vehicle frame, optionally, a support portion is provided in the tail cross beam, the tail cross beam is a channel beam, the tail cross beam includes a first tail cross beam and a second tail cross beam, and the bottom wall of the first tail cross beam and the bottom wall of the second tail cross beam are connected to form the support portion. The first side wall surface of the first tail cross beam and the first side wall surface of the second tail cross beam are abutted to form a first side wall surface of the tail cross beam, and the second side wall surface of the first tail cross beam and the second side wall surface of the second tail cross beam are abutted to form a second side wall surface of the tail cross beam; the first side wall surface of the tail cross beam is opposite to the second side wall surface of the tail cross beam. The second connecting assembly is a channel-shaped piece, and the first side wall surface of the tail cross beam and the second side wall surface of the tail cross beam are respectively connected with two opposite side wall surfaces of the second connecting assembly.

The arrangement can improve the connection strength of the tail cross beam and the second connecting assembly, so that the support strength of the frame is improved.

In the above vehicle frame, optionally, the bottom wall of the second connecting assembly is connected to the bottom wall of the side member, and at least a part of the side wall surface of the second connecting assembly is attached to the side wall surface of the side member.

The area of the connecting surface between the second connecting component and the longitudinal beam can be further increased through the arrangement, so that the connecting area between the tail cross beam and the longitudinal beam is increased, the connecting stress of the connecting part is reduced, and the overall rigidity and the strength of the frame are improved.

In the above vehicle frame, optionally, the first side member and the first rotating shaft, and the second side member and the second rotating shaft are connected by a third connecting assembly. The third connecting assembly comprises a first connecting bracket for connecting the first longitudinal beam and the first rotating shaft, and a second connecting bracket for connecting the second longitudinal beam and the second rotating shaft. The first connecting bracket is connected to one side, away from the groove-shaped opening, of the first longitudinal beam, and the first rotating shaft is connected to the first connecting bracket; the second connecting bracket is connected to one side, far away from the groove-shaped opening, of the second longitudinal beam, and the second rotating shaft is connected to the second connecting bracket.

Such an arrangement can increase the through length of the through shaft, thereby improving the stability between the vehicle body frame and the vehicle compartment in the vehicle.

In the above vehicle frame, optionally, the subframe includes two opposite sub-longitudinal beams, the first rotating shaft and the second rotating shaft are respectively connected to the sides of the two sub-longitudinal beams, which are far away from each other, in a one-to-one correspondence manner, through holes are respectively formed in the two sub-longitudinal beams, and two ends of the through shaft respectively penetrate through the through holes in the two sub-longitudinal beams and are connected to the first rotating shaft and the second rotating shaft.

The arrangement can reduce the structural arrangement of parts at the tail cross beam of the main frame and reduce various stresses generated by connecting the parts at the tail cross beam of the main frame. The rigidity and the strength of the frame which can be further improved by additionally arranging the auxiliary longitudinal beam are beneficial to the penetration of the penetration shaft through the auxiliary longitudinal beam and the rotating shaft by arranging the through hole on the auxiliary longitudinal beam, the length of the penetration shaft is further improved, and the stability of the frame is improved.

In the above vehicle frame, optionally, the main frame includes a main cross member, and the sub-frame includes a sub-cross member. The main beam is provided with a plurality of beams, and the auxiliary beam is provided with a plurality of beams. A plurality of main beam parallel arrangement, and all parallel with the tail crossbeam. A plurality of vice crossbeams parallel arrangement, and all be parallel with the through shaft, a plurality of vice crossbeams are arranged along the extending direction of vice longeron equidistant interval. And a reinforcing piece is arranged between the through shaft and the auxiliary cross beam close to the through shaft.

Such an arrangement may further improve the strength of the vehicle frame.

In a second aspect, the present invention provides a vehicle, including the above vehicle frame.

The utility model provides a through setting up the face between tail crossbeam and first longeron, the second longeron and connecting in the frame of vehicle, improved the area of contact between tail crossbeam and the longeron, reduced the stress of junction. Through setting up between first rotation axis and the second rotation axis through the through-connection axle, it is even to have guaranteed that the rotation axis atress of solebar both sides is even, has improved the stability of frame in the use to improve the life of frame, the vehicle is through installing above-mentioned frame, and the uneven phenomenon of both sides atress when having reduced the carriage lifting has reduced the possibility that the carriage heeled, has improved the performance of vehicle.

The frame and vehicle construction and other objects and advantages of the invention will be apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a rear cross member of a frame in the related art;

fig. 2 is a schematic structural view of a vehicle frame provided in an embodiment of the present invention;

fig. 3 is a top view of a vehicle frame provided by an embodiment of the present invention;

fig. 4 is a schematic structural view of a main frame of a vehicle frame according to an embodiment of the present invention;

fig. 5 is a top view of a main frame of a vehicle frame according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a subframe of a vehicle frame according to an embodiment of the present invention;

fig. 7 is a plan view of a subframe of a vehicle frame according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a tail cross member of a vehicle frame provided in an embodiment of the present invention.

Description of reference numerals:

110-tubular tail boom;

120-frame rail;

130-a rotating shaft support;

131-a rotating shaft;

200-a main frame;

210-a stringer;

211-a first stringer;

211 a-bottom wall of stringer;

211 b-side wall faces of stringers;

212-a second stringer;

220-tail beam;

221-a first tail boom;

221 a-a bottom wall of the first tail rail;

221 b-a first side wall of a first tail rail;

222-a second tail boom;

231-a first connecting bracket;

232-a second connecting bracket;

240-a second connection assembly;

241-a bottom wall of the second connection assembly;

242 — a side wall face of the second connection assembly;

250-a main beam;

300-an auxiliary frame;

310-a rotation axis;

311-a first rotation axis;

312-a second axis of rotation;

320-through shaft;

330-secondary longitudinal beam;

331-through holes;

340-secondary beam;

350-a reinforcement;

351-reinforcing connecting piece;

400-first connection assembly.

Detailed Description

The frame of the conventional mining vehicle comprises at least two frame longitudinal beams, a frame tail cross beam, a rotating shaft and at least one frame cross beam. The frame longitudinal beam is of a groove-shaped beam structure, two ends of the frame cross beam are abutted to grooves of the frame longitudinal beam, the frame tail cross beam is of a square tube structure and is arranged at the tail of the frame longitudinal beam, the frame tail cross beam penetrates through the grooves of the frame longitudinal beam and extends to the outside to form extending portions, two sets of rotating shaft supports are respectively arranged on the extending portions of two sides, and fig. 1 is a schematic structural diagram of the frame tail cross beam in the related art. Referring to fig. 1, a tubular tail cross beam 110 is arranged at one section of a frame longitudinal beam 120, two sets of rotating shaft supports 130 are respectively arranged on the extending parts of the tubular tail cross beam 110, a rotating shaft 131 is arranged on the rotating shaft supports 130, and the rotating shaft 131 is connected with a carriage of a mining vehicle. However, in the frame arranged in this way, because the connecting surface of the connecting part between the frame longitudinal beam 120 and the tubular tail cross beam 110 is small, and the connecting part is mostly connected by welding, the welding stress at the positions of the longitudinal beam and the tubular tail cross beam 110 is large, and the carriage is easy to break in the lifting and unloading process, which affects the performance of the frame. In addition, in the related art, the rotating shaft 131 is designed in a split manner, the coaxiality of the two rotating shafts 131 is not easy to guarantee in the rotating process, and the pressure born by the two rotating shaft supports 130 is different when the carriage is turned over, so that the rigidity and the strength of the frame are influenced, and the service life of the frame is shortened.

Based on the technical problem, the utility model provides a frame and vehicle is connected the face through setting up at longeron and tail crossbeam and is connected, has reduced the stress of being connected of the junction of longeron and tail crossbeam. Through setting up two rotation axes and setting up between the two through-connection shaft, improved the axiality of first rotation axis and second rotation axis in the rotation process, work as the utility model provides a when the frame is used on the tipper, when the carriage lifts, the pressure that two rotation axes received is the same, has improved the bulk rigidity and the intensity of frame, has improved the structural stability of frame to the life of frame has been prolonged.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 2 is the structural schematic diagram of the frame that the embodiment of the utility model provides, fig. 3 is the utility model provides a top view of frame, fig. 4 is the structural schematic diagram of the main frame of frame that the embodiment of the utility model provides, fig. 5 is the utility model provides a top view of the main frame of frame, fig. 6 is the utility model provides a structural schematic diagram of the sub vehicle frame of frame, fig. 7 is the utility model provides a top view of the sub vehicle frame of frame, fig. 8 is the utility model provides a tail beam's of frame structural schematic diagram.

Referring to fig. 2 to 8, the vehicle frame provided by the embodiment of the present invention includes a longitudinal beam 210, a tail cross beam 220 and a rotation shaft 310, wherein the longitudinal beam 210 includes a first longitudinal beam 211 and a second longitudinal beam 212 which are arranged relatively and arranged at an interval. Two ends of the tail cross beam 220 are respectively connected to the first longitudinal beam 211 and the second longitudinal beam 212, and the tail cross beam 220 is connected with the first longitudinal beam 211 and the second longitudinal beam 212 through connecting surfaces. The rotation shaft 310 includes a first rotation shaft 311 connected to the first longitudinal member 211 and a second rotation shaft 312 connected to the second longitudinal member 212, and the first rotation shaft 311 and the second rotation shaft 312 are connected to each other by a through shaft 320. In such an arrangement, the tail cross beam 220 and the longitudinal beam 210 are connected through the connecting surface, so that the connecting area between the two is enlarged, and the connecting stress at the connecting position between the two is reduced. The first rotating shaft 311 and the second rotating shaft 312 are connected through the through shaft 320, in the rotating process, the first rotating shaft 311 and the second rotating shaft 312 always keep coaxial rotation, and the pressure between the first rotating shaft 311 and the second rotating shaft 312 is equal, so that the mechanical strength of the whole frame is improved, the structural stability of the frame is improved, and the service life of the frame is prolonged.

It should be noted that, in order to ensure the connection strength between the main frame 200 and the sub frame 300, the connection area of the main frame 200 and the sub frame 300 at a position close to the tail cross member 220, that is, the area of the connection surface of the first connection member 400 with the main frame 200 and the sub frame 300 at this position, should be large to achieve tight connection of the main frame 200 and the sub frame 300. The embodiment of the utility model provides a frame can be applied to on the tipper, when the carriage of tipper lifts up, the position that the frame is close to tail crossbeam 220 is the position of mainly accepting pressure, and the area volume of being close to the connection face between first connecting piece 400 of tail crossbeam 220 one end and main frame 200 and the sub vehicle frame 300 is great can improve the intensity of here frame to improve the structural stability of frame. The pressure applied to the side of the frame away from the rear cross member 220 is small, and the area of the connection surface between the first connection member 400 and the main frame 200 and the sub frame 300 may be smaller than the area of the connection surface near the rear cross member 220. Of course, the area of the connection surface of the first connection member 400 between the main frame 200 and the sub frame 300 may also be equal to the area of the connection surface near the side of the tail cross member 220, which is not limited by the present invention.

As an achievable embodiment, referring to fig. 2 and 3, the frame includes a main frame 200 and a sub frame 300, the main frame 200 and the sub frame 300 are connected by a first connection assembly 400; the side member 210 and the tail cross member 220 are positioned on the main frame 200, and the rotary shaft 310 and the through shaft 320 are positioned on the sub frame 300. The embodiment of the utility model provides a frame comprises main frame 200 and sub vehicle frame 300 jointly, and such setting has increaseed the intensity and the rigidity of frame, works as the utility model discloses when using on the tipper, the carriage of tipper is at the in-process of lifting, and main frame 200 and sub vehicle frame 300 provide the holding power for the carriage jointly, and the frame has better stability.

Preferably, the height of the subframe 300 can be set to 170mm-190mm, such an arrangement can effectively improve the overall strength of the frame, when the height of the subframe is less than 170mm, the diameter of the through shaft is slightly small, the pressure bearing capacity of the through shaft is small, when the carriage of the dump truck is lifted, the through shaft is easy to break, and other problems, when the height of the subframe is greater than 190mm, because the frame is too high, the distance between the carriage of the dump truck and the vehicle floor is too large during the running of the vehicle, the bearing gravity center of the carriage is unstable, and when the vehicle runs, the carriage is easy to roll when bumping. In a preferred embodiment, the height of the subframe 300 is 180 mm. In specific implementation application, the height of the auxiliary frame 300 or the overall height of the frame can be set according to the specific conditions of the vehicle, and the embodiment of the present invention does not limit this.

Referring to fig. 4, as an achievable embodiment, the first longitudinal beam 211 and the second longitudinal beam 212 are channel beams, and the channel openings of the first longitudinal beam 211 are arranged opposite to the channel openings of the second longitudinal beam 212. The groove-shaped openings arranged oppositely are beneficial to enlarging the connection area between the tail cross beam 220 and the longitudinal beam 210, the reliable connection between the tail cross beam 220 and the longitudinal shaft 210 is realized, the stress at the connection position between the longitudinal shaft 210 and the tail cross beam 220 is reduced, and therefore the mechanical strength of the frame is increased.

Referring to fig. 8, as an implementation mode, the tail cross beam 220 is connected to the longitudinal beam 210 through a second connecting assembly 240, the second connecting assembly 240 has a first connecting surface with the tail cross beam 220, and the second connecting assembly 240 has a second connecting surface with the tail cross beam 220. Longeron 210 and tail crossbeam 220 are connected through first connection face and second connection face, the stress of being connected between tail crossbeam 220 and the longeron 210 all is located first connection face and second connection face, then transmit to first longeron 211 and second longeron 212 on first connection face and second connection face, such setting up makes the distribution of stress on axis of ordinates 210 more even, the condition of stress concentration has been avoided appearing on axis of ordinates 210, the joint strength of tail crossbeam 220 and longeron 210 has been improved, and then the intensity of frame has been improved.

It should be noted that, in the embodiment of the present invention, the second connecting assembly 240 is connected to the tail beam 220 by a bolt. The second connecting assembly 240 is connected with the longitudinal beam 210 by a bolt connection. In practical application, the materials of the tail cross beam 220 and the longitudinal beams 210 are not necessarily completely the same, so that the rigidity between the tail cross beam 220 and the longitudinal beams 210 on two sides has a certain difference, and the rigidity between the tail cross beam 220 and the longitudinal beams 210 on two sides can be stably transited by adopting a bolt connection mode, so that the connection strength among the second connecting assembly 240, the longitudinal beams 210 and the tail cross beam 220 is improved, and the problem of welding stress concentration caused by adopting a welding connection mode in the related technology is avoided.

In an implementation manner, a support portion is disposed in the tail beam 220, the tail beam 220 is a channel beam, the tail beam 220 includes a first tail beam 221 and a second tail beam 222, and a bottom wall 221a of the first tail beam and a bottom wall of the second tail beam 222 are connected to form the support portion. The first side wall surface 221b of the first tail beam and the first side wall surface of the second tail beam 222 are abutted to form a first side wall surface of the tail beam 220, and the second side wall surface of the first tail beam 221 and the second side wall surface of the second tail beam 222 are abutted to form a second side wall surface of the tail beam 220; the first sidewall surface of the tail boom 220 is disposed opposite to the second sidewall surface of the tail boom 220. The second connecting assembly 240 is a groove-shaped member, and a first side wall surface of the tail beam 220 and a second side wall surface of the tail beam 220 are connected to two opposite side wall surfaces of the second connecting assembly 240, respectively.

The embodiment of the utility model provides a include first tail crossbeam 221 and second tail crossbeam 222 through setting up tail crossbeam 220, be favorable to improving tail crossbeam 220's holding power in main frame 200, the first side wall and the second side wall of first tail crossbeam 221 form the first side wall and the second side wall of tail crossbeam in first side wall and the second side wall on second tail crossbeam 222 respectively, such setting can further strengthen tail crossbeam 220's support intensity, increase tail crossbeam 220 and second coupling assembling 240's joint strength, thereby improve the holistic intensity and the rigidity of frame.

With continued reference to fig. 8, as an implementation example, the second connecting members 240 have two and are of a groove-shaped structure, the bottom wall 241 of the second connecting member is connected to the bottom wall 211a of the longitudinal beam, and at least a portion of the side wall surface 242 of the second connecting member is attached to the side wall surface 211b of the longitudinal beam. Due to the arrangement, the connection area between the second connecting assembly 240 and the longitudinal beam 210 can be enlarged, stress existing between the tail cross beam 220 and the second connecting assembly 240 can be transmitted to the longitudinal beam 210 through a larger area, and the problems of breakage and the like caused by stress concentration are avoided.

As an implementable embodiment, as shown with reference to fig. 2 and 3, the first longitudinal beam 211 and the first rotation shaft 311, and the second longitudinal beam 212 and the second rotation shaft 311 are connected by a third connection assembly. The third connecting assembly includes a first connecting bracket 231 connecting the first longitudinal beam 211 and the first rotating shaft 311, and a second connecting bracket 232 connecting the second longitudinal beam 212 and the second rotating shaft 312. The first connecting bracket 231 is connected to one side of the first longitudinal beam 211 far away from the groove-shaped opening, and the first rotating shaft 311 is connected to the first connecting bracket 231; a second connecting bracket 232 is connected to the second longitudinal beam 212 on the side remote from the slot opening, and a second pivot shaft 312 is connected to the second connecting bracket 232. In the embodiment of the present invention, the third component plays a role of connecting the main frame 200 and the sub frame 300, and the third component is disposed on the side of the longitudinal beam 210 away from the slot opening, so that the arrangement is convenient for arranging the position relationship between the main frame 200 and the sub frame 300. Preferably, the first and second connection brackets 231 and 232 are triangular brackets having high stability.

It should be noted that, in order to ensure the connection strength and avoid welding deformation, in the embodiment of the present invention, the connection mode between the first connecting bracket 231 and the first rotating shaft 311 and the connection mode between the second connecting bracket 232 and the second rotating shaft 312 are bolt connections.

In one embodiment, the subframe 300 includes two sub-side members 330 disposed opposite to each other, the first and second rotation shafts 311 and 312 are respectively connected to the sides of the two sub-side members 330, which are away from each other, in a one-to-one correspondence, the two sub-side members 330 are respectively provided with through holes 331, both ends of the through shaft 320 are respectively inserted into the through holes 331 of the two sub-side members 330, and are connected to the first and second rotation shafts 311 and 312. The through shaft 320 is connected to the first rotating shaft 311 and the second rotating shaft 312 of the subframe, so that the structure of the tail cross beam 220 in the main frame 200 can be simplified, and the situation that a plurality of connecting holes are formed in the longitudinal beam 210 connected with the tail cross beam 220 is avoided, so that the strength of the tail cross beam of the main frame is improved. The through shaft 320 is used for penetrating the through hole 331, the first rotating shaft 311 and the second rotating shaft 312 can be coaxially arranged, and bear the pressure from the carriage of the dump truck, the pressure borne by the first rotating shaft 311 and the pressure borne by the second rotating shaft 312 are equal, and the stability of the frame is improved.

Referring to fig. 4 to 7, as an achievable embodiment, the main frame 200 includes a main cross member 250, and the sub-frame 300 includes a sub cross member 340. There are a plurality of main beams 250 and a plurality of sub beams 340. The plurality of main beams 250 are arranged in parallel and are all parallel to the tail beam 220. The plurality of sub cross beams 340 are arranged in parallel and are all parallel to the through shaft 320, and the plurality of sub cross beams 340 are arranged at equal intervals along the extending direction of the sub longitudinal beams 330. A reinforcement 350 is provided between the through shaft 320 and the sub cross beam 340 adjacent to the through shaft 320. Both ends of the main cross member 250 abut against both sides of the side member 210, both ends of the sub cross member 340 abut against both sides of the sub side member 330, and the main cross member 250 and the sub cross member 340 respectively function to increase the strength of the main frame 200 and the strength of the sub frame 200. The number of the auxiliary beams 340 and the number of the main beams 250 may be equal or unequal, and the embodiment of the present invention does not specifically limit this. Referring to fig. 3 and 5, the main frame 200 has a region in which the partial side member 210 extends, and the region is not provided with the main frame rear cross member 250, and such an arrangement can provide a space for mounting other components in the vehicle, for example, a space for mounting an engine. When the embodiment of the utility model provides a when the frame is applied to the dump truck, when the carriage lifted, the pressure that the position that the frame was close to tail crossbeam 220 bore will be greater than the frame and follow the pressure that the position of keeping away from tail crossbeam 220 on longeron 210 extending direction bore. Referring to fig. 4 and 5, the main cross member 250 adjacent to the rear cross member 220 is preferably adhesively attached to the side members 210 by the first connecting members 400, so that the mechanical strength of the frame adjacent to the rear cross member 220 can be enhanced to accommodate a greater compressive force.

Further, as shown in fig. 6 and 7, the reinforcement 350 is disposed between the sub-cross member 340 near the through shaft 320 and the through shaft, and plays a role of reinforcing the torsion of the sub-frame 300 and the vehicle frame, so as to prevent the vehicle from rolling due to insufficient torsion at the position of the vehicle frame near the rear cross member 220 and the through shaft 320 when the vehicle is lifted, and thus, the performance of the vehicle is not affected. Preferably, the reinforcement 350 is formed in an "X" shape, that is, the reinforcement 350 has a structure in which two metal rods are arranged to intersect each other, four ends of the reinforcement 350 are welded to the sub-side member 330, and the reinforcement 350 is further provided with a reinforcement connector 351, and the reinforcement connector 351 serves to fix the two metal rods to each other. Alternatively, the structure of the reinforcing member 351 is two cross-arranged groove-shaped metal members, which is not limited by the present invention.

The embodiment of the utility model provides a still provide a vehicle, including the frame that this embodiment provided, in this frame, connect the face through setting up between tail crossbeam 220 and longeron 210 and be connected, improved the area of contact between tail crossbeam 220 and the longeron 210, reduced the stress of junction. The first rotating shaft 311 and the second rotating shaft 312 are connected through the through shaft 320, so that the compartments on the vehicle are coaxially mounted on two sides of the frame, the rotating shafts on two sides of the auxiliary longitudinal beam 310 are uniformly stressed, and the structural stability of the frame is improved. The utility model discloses the vehicle can be for the tipper, and when the carriage of tipper lifted, the frame can provide strong holding power for the carriage, and the rotation axis coaxial operation all the time of frame both sides, and the pressure of frame both sides equals, has improved the stability of frame, and the uneven phenomenon of through shaft both sides atress that appears when having avoided the carriage lifting simultaneously has improved the performance of vehicle. Of course, the embodiment of the utility model provides a vehicle also can be loading truck, other vehicles such as crane, the embodiment of the utility model provides a do not do the restriction to specific vehicle type and applied scene thereof.

In the description of the present invention, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through an intermediary, a connection between two elements, or an interactive relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A frame is characterized by comprising longitudinal beams, a tail cross beam and a rotating shaft, wherein the longitudinal beams comprise a first longitudinal beam and a second longitudinal beam which are oppositely arranged and arranged at intervals;

two ends of the tail cross beam are respectively connected to the first longitudinal beam and the second longitudinal beam, and the tail cross beam is connected with the first longitudinal beam and the second longitudinal beam through connecting surfaces;

the rotating shaft comprises a first rotating shaft connected to the first longitudinal beam and a second rotating shaft connected to the second longitudinal beam, and the first rotating shaft and the second rotating shaft are connected through a through shaft.

2. The frame of claim 1, wherein the frame comprises a main frame and a subframe, the main frame and the subframe connected by a first connection assembly;

the longitudinal beam and the tail cross beam are positioned on the main frame, and the rotating shaft and the through shaft are positioned on the auxiliary frame.

3. The vehicle frame of claim 2 wherein said first and second side members are channel beams, said channel opening of said first side member being disposed opposite said channel opening of said second side member.

4. The vehicle frame of claim 3, wherein the tail rail and the side rail are connected by a second connection assembly, the second connection assembly having a first connection face with the tail rail and a second connection face with the tail rail.

5. The frame according to claim 4, wherein the tail cross beam is provided with a support part, the tail cross beam is a channel beam, the tail cross beam comprises a first tail cross beam and a second tail cross beam, and the bottom wall of the first tail cross beam and the bottom wall of the second tail cross beam are connected to form the support part;

the first side wall surface of the first tail cross beam and the first side wall surface of the second tail cross beam are abutted to form a first side wall surface of the tail cross beam, and the second side wall surface of the first tail cross beam and the second side wall surface of the second tail cross beam are abutted to form a second side wall surface of the tail cross beam; the first side wall surface of the tail cross beam is opposite to the second side wall surface of the tail cross beam;

the second coupling assembling is channel type spare, the first lateral wall face of tail crossbeam with the second lateral wall face of tail crossbeam respectively with two lateral wall face connections that the second coupling assembling is relative.

6. The vehicle frame of claim 5, wherein the bottom wall of the second connection assembly is connected to the bottom wall of the side rail, and at least a portion of the sidewall surface of the second connection assembly abuts the sidewall surface of the side rail.

7. The vehicle frame of claim 6, wherein said first side member and said first pivot axle, and said second side member and said second pivot axle are each connected by a third connection assembly;

the third connecting assembly comprises a first connecting bracket for connecting the first longitudinal beam and the first rotating shaft, and a second connecting bracket for connecting the second longitudinal beam and the second rotating shaft;

the first connecting bracket is connected to one side, away from the groove-shaped opening, of the first longitudinal beam, and the first rotating shaft is connected to the first connecting bracket; the second connecting support is connected to one side, far away from the groove-shaped opening, of the second longitudinal beam, and the second rotating shaft is connected to the second connecting support.

8. The vehicle frame according to claim 7, wherein the subframe comprises two oppositely disposed sub-longitudinal beams, the first rotating shaft and the second rotating shaft are respectively connected to the sides of the two sub-longitudinal beams, which are far away from each other, in a one-to-one correspondence manner, through holes are respectively formed in the two sub-longitudinal beams, and both ends of the through shaft respectively penetrate through the through holes in the two sub-longitudinal beams and are connected with the first rotating shaft and the second rotating shaft.

9. The frame of claim 8, wherein said main frame includes a main cross member and said sub-frame includes a sub-cross member;

the number of the main cross beams is multiple, and the number of the auxiliary cross beams is multiple;

the main cross beams are arranged in parallel and are all parallel to the tail cross beam;

the auxiliary cross beams are arranged in parallel and are parallel to the through shaft, and the auxiliary cross beams are arranged at equal intervals along the extending direction of the auxiliary longitudinal beam;

and a reinforcing piece is arranged between the through shaft and the auxiliary cross beam close to the through shaft.

10. A vehicle comprising a frame as claimed in any one of claims 1 to 9.

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