CN119058816B - Frame cross beam and frame - Google Patents

Frame cross beam and frame

Info

Publication number
CN119058816B
CN119058816B CN202411374106.8A CN202411374106A CN119058816B CN 119058816 B CN119058816 B CN 119058816B CN 202411374106 A CN202411374106 A CN 202411374106A CN 119058816 B CN119058816 B CN 119058816B
Authority
CN
China
Prior art keywords
frame
longitudinal beam
cross beam
crossbeam
mounting hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202411374106.8A
Other languages
Chinese (zh)
Other versions
CN119058816A (en
Inventor
丁惟云
郎华
苏亚运
许敬杰
王凯
谢双双
马圣龙
冯启飞
孙延迪
王哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Heavy Duty Truck Group Jinan Power Co Ltd
Original Assignee
China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Heavy Duty Truck Group Jinan Power Co Ltd filed Critical China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority to CN202411374106.8A priority Critical patent/CN119058816B/en
Publication of CN119058816A publication Critical patent/CN119058816A/en
Application granted granted Critical
Publication of CN119058816B publication Critical patent/CN119058816B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B62D21/03—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members transverse members providing body support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/09—Means for mounting load bearing surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention provides a frame cross beam, which belongs to the technical field of vehicle part devices and comprises a cross beam body, end beams and longitudinal beam connecting parts, wherein two ends of the cross beam body are respectively connected with one end beam, the end part of each end beam, which is away from the cross beam body, is connected with one longitudinal beam connecting part, the lower surface of the cross beam body and the lower surfaces of the two end beams are curved surfaces, and the purpose that the longitudinal beam connecting parts are perpendicular to the upper surface of the cross beam body is to solve the problems of the prior art that the deformation area frame cross beam has a plurality of assembled parts, heavy weight, poor reliability and occupies a large chassis space. The cross beam has the technical effects that the cross beam is simple in structure, fewer assembly parts are assembled, and the cross beam of the vehicle frame is subjected to treatment of changing the position and the size of each position and is matched with the arrangement that the lower surface is a curved surface, so that the space occupation of the chassis is small, and more installation space is reserved for other parts.

Description

Frame cross beam and frame
Technical Field
The invention relates to the technical field of vehicle part devices, in particular to a vehicle frame cross beam and a vehicle frame.
Background
The frame is the mounting base body of each assembly part of the automobile, and the engine, the automobile body and other assemblies are connected into an organic whole to form a complete automobile. Sufficient strength is required to ensure that under various complex stress conditions, the assemblies on the frame and chassis are not damaged early or lose normal working capacity due to deformation or fatigue. The automobile has proper torsional rigidity, and when the automobile runs on uneven road, the smoothness and the passing capacity of the automobile are improved in order to ensure the adaptability of the automobile to the unevenness of the road. The main function of the frame cross beam as a key part cross beam of the frame is to connect the longitudinal beams to form a complete frame, so that the bearing performance of the frame is ensured, and the frame has enough strength and torsional rigidity.
The existing heavy commercial vehicle frame mostly adopts a wide frame for meeting the requirements of light weight, cost reduction and the like. However, the cross beam at the deformation area of the frame with the variable width still has the problems of uneven stress, poor structural stability and the like, and in order to solve the problems of poor structural stability and uneven stress, the structure of the cross beam is generally complicated, so that the cross beam at the prior deformation area mostly has the problems of various assembly parts, heavy weight, poor reliability, large occupied chassis space and the like.
Disclosure of Invention
The invention provides a frame cross beam, which is used for solving the problems of multiple assembly parts, heavy weight, poor reliability, large occupied chassis space and the like of a deformation area frame cross beam in the prior art, and has the advantages of simple structure, fewer assembly parts, small occupied chassis space and good strength and stability.
The invention provides a vehicle frame cross beam which comprises a cross beam body, end beams and longitudinal beam connecting parts, wherein two ends of the cross beam body are respectively connected with one end beam, the end part of each end beam, which is away from the cross beam body, is connected with one longitudinal beam connecting part, the lower surface of the cross beam body and the lower surfaces of the two end beams are curved surfaces, and the angle between the longitudinal beam connecting part and the upper surface of the cross beam body is an obtuse angle.
According to the invention, the lower surfaces of the cross beam body and the lower surfaces of the two end beams are curved surfaces, and the arrangement of the connecting parts of the matched longitudinal beams and the end beams realizes that the frame is transversely of an arch structure so as to ensure the strength, the rigidity and the stability of the cross beam of the frame, and the reliable connection of the cross beam of the frame and the longitudinal beam of the frame is ensured through the arrangement of the connecting parts of the longitudinal beams and the upper surfaces of the cross beam body.
In addition, a frame cross member according to the present invention may further have the following additional technical features:
In some embodiments of the present invention, each end beam includes an end connector and a side support plate, two ends of the cross beam body are respectively connected with one end connector, two sides of each end connector are respectively connected with one side support plate, and each end connector is connected with the longitudinal beam connecting part through the side support plate;
In the side support plate and the side member connecting portion that are connected to each other, the width of the side support plate gradually increases from one end away from the side member connecting portion to one end close to the side member connecting portion.
By adopting the above embodiment, the arrangement that the width of the side support plate gradually increases from the end far away from the longitudinal beam connecting portion to the end near the longitudinal beam connecting portion can increase the strength and stability of the frame cross beam.
In some embodiments of the invention, the width of both end connectors increases gradually from top to bottom and the width of each end connector increases gradually from the end near the beam body to the end far from the beam body.
By adopting the embodiment, the strength and stability of the frame cross beam can be further increased through the arrangement of the width of the connecting piece.
In some embodiments of the invention, the width of the beam body increases gradually from the middle to the two ends.
Through adopting above-mentioned embodiment, the setting that the width of crossbeam body increases gradually from the centre to both ends can decompose the atress of crossbeam, and then realizes that this crossbeam can bear great power.
In some embodiments of the invention, the cross beam body, end beam and stringer attachment are integrally formed.
Through adopting above-mentioned embodiment, integrated into one piece's setting can make this crossbeam carry out mould injection moulding, realizes the comparatively simple structure of this crossbeam when having increased the convenience of this crossbeam processing.
In some embodiments of the present invention, each of the stringer connecting portions includes a stringer connecting plate, a first connecting lug, a second connecting lug, and a third connecting lug, an upper end of each of the stringer connecting plates is connected to the end beam, and a side surface of each of the stringer connecting plates is provided with the first connecting lug, the second connecting lug, and the third connecting lug.
Through adopting above-mentioned embodiment, the convenience that this frame cross member was connected with the longeron has been increased in the setting of first engaging lug, second engaging lug and third engaging lug.
In some embodiments of the present invention, each end connector includes a top connecting portion and a vertical connecting plate, two sides of the top connecting portion are respectively connected with one vertical connecting plate, the top connecting portion and the two vertical connecting plates are connected with the beam body, and one side of each vertical connecting plate far from the top connecting portion is connected with one side supporting plate.
By adopting the above embodiment, the strength and stability of the end connector are ensured by the arrangement that the end connector comprises the top connecting part and the vertical connecting part.
In some embodiments of the invention, the lower surface of the beam body is provided with a bottom mounting portion, one side of the beam body is provided with a first side mounting portion, and the other side of the beam body is provided with a second side mounting portion.
By adopting the above embodiment, the first side mounting part and the second side mounting part provide mounting environments for the valve body bracket, the pipeline fixing bracket, the transmission shaft supporting angle plate and the bottom wire harness bracket, and provide convenience for mounting the valve body bracket, the pipeline fixing bracket, the transmission shaft supporting angle plate and the bottom wire harness bracket.
In some embodiments of the present invention, the bottom mounting portion is provided with a first mounting hole, the first side mounting portion is provided with a second mounting hole, the second side mounting portion is provided with a third mounting hole, and the top connecting portion is provided with a fourth mounting hole.
Through adopting above-mentioned embodiment, through the setting of first mounting hole, second mounting hole, third mounting hole and fourth mounting hole, realized valve body support, pipeline fixed bolster, transmission shaft support scute and bottom pencil support all can adopt the mode of spiro union to be connected with this frame crossbeam, it is comparatively convenient to connect.
According to the vehicle frame, all technical characteristics of the vehicle frame cross beam are adopted, the vehicle frame cross beam further comprises a vehicle frame left longitudinal beam, a vehicle frame right longitudinal beam and connecting plates, the vehicle frame cross beam is arranged between the vehicle frame left longitudinal beam and the vehicle frame right longitudinal beam, one connecting plate is arranged on the side face of the vehicle frame left longitudinal beam and the side face of the vehicle frame right longitudinal beam, and the two connecting plates are respectively connected with the two top connecting parts in a one-to-one correspondence mode.
Through adopting above-mentioned embodiment, the setting of connecting plate cooperation frame left side rail and frame left side rail all are connected with the frame crossbeam, can ensure the stability that frame crossbeam and longeron are connected.
In summary, the application has the beneficial technical effects that the transverse arch structure of the frame is realized through the arrangement of the curved lower surface of the cross beam body and the curved lower surfaces of the two end beams and the arrangement of the connecting parts of the longitudinal beams and the end beams, so that the strength, the rigidity and the stability of the cross beam of the frame are ensured.
And secondly, the reliable connection of the frame cross beam and the frame longitudinal beam is ensured through the arrangement that the angle between the longitudinal beam connecting part and the upper surface of the cross beam body is obtuse, and meanwhile, stress decomposition is further carried out, so that stress concentration is relieved, and the stability of the frame cross beam is further increased.
Thirdly, this crossbeam simple structure, the equipment part is less, because carry out the processing that each position size was changed to the frame crossbeam and cooperate the lower surface to be the setting of curved surface, realized occupying less to the chassis space, leave more installation space for other parts.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 schematically illustrates a first view of a perspective view of a frame rail according to some embodiments of the invention.
Fig. 2 schematically illustrates a second view of a perspective view of a frame rail according to some embodiments of the invention.
Fig. 3 schematically illustrates a third view of a perspective view of a frame rail according to some embodiments of the invention.
Fig. 4 schematically illustrates a fourth view of a perspective view of a frame rail according to some embodiments of the invention.
Fig. 5 schematically illustrates a first view of a partial block diagram of a frame according to some embodiments of the invention.
Fig. 6 schematically illustrates a second view of a partial block diagram of a frame according to some embodiments of the invention.
Fig. 7 schematically illustrates a third view of a partial block diagram of a frame according to some embodiments of the invention.
Reference numerals:
1. The cross member body, 11, the middle connection top plate, 12, the middle connection bottom plate, 13, the bottom mounting portion, 131, the first mounting hole, 14, the first side mounting portion, 141, the second mounting hole, 15, the second side mounting portion, 151, the third mounting hole, 16, the middle connection side plate, 2, the end beam, 21, the top connection portion, 211, the fourth mounting hole, 22, the side support plate, 23, the vertical connection plate, 24, the collar hole, 25, the transition portion, 26, the bottom connection portion, 3, the longitudinal beam connection portion, 31, the first connection lug, 311, the fifth mounting hole, 32, the second connection lug, 321, the sixth mounting hole, 33, the third connection lug, 331, the seventh mounting hole, 34, the longitudinal beam connection plate, 4, the frame deformation region, 41, the frame right longitudinal beam, 42, the frame left longitudinal beam, 43, the connection plate, 50, the transmission shaft, 51, the ABS control valve bracket, 52, the heating water pipe, 53, the transmission shaft, 54, the bottom bracket, 55, and the brake pipe.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below" may include both upper and lower orientations. The device may be rotated another 90 degrees or in other orientations and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 4, according to an embodiment of the first aspect of the present invention, a vehicle frame cross member is provided, which includes a cross member body 1, end beams 2 and a longitudinal beam connecting portion 3, wherein two ends of the cross member body 1 are respectively connected with one end beam 2, an end portion of each end beam 2, which faces away from the cross member body 1, is connected with one longitudinal beam connecting portion 3, the lower surface of the cross member body 1 and the lower surfaces of the two end beams 2 are curved surfaces, and an angle between the longitudinal beam connecting portion 3 and the upper surface of the cross member body 1 is an obtuse angle.
In the above embodiment, the beam body 1, the end beam 2 and the longitudinal beam connecting portion 3 are integrally formed, the beam body 1 includes a middle connecting top plate 11, a middle connecting bottom plate 12 and two middle connecting side plates 16, the middle connecting top plate 11, the middle connecting bottom plate 12 and the two middle connecting side plates 16 enclose a hollow tubular structure forming a quadrilateral, the widths of the middle connecting top plate 11 and the middle connecting bottom plate 12 gradually increase from the middle to the two ends, the middle connecting top plate 11 is flat, the cross section of the middle connecting bottom plate 12 is arc-shaped to form the lower surface of the beam body 1 as a curved surface, the widths of the two middle connecting plates 16 sequentially increase from top to bottom, and the front, the rear, the left and the right of the beam body 1 are provided with flash structures.
The technical effect achieved by the embodiment is that the cross beam body 1 is of a tubular structure through the hollow tubular structure formed by enclosing the middle connecting top plate 11, the middle connecting bottom plate 12 and the two middle connecting side plates 16, so that the frame can be ensured to be light to the greatest extent while the stability and the strength are ensured.
The width of the middle connecting top plate 11 and the width of the middle connecting bottom plate 12 are gradually increased from the middle to the two ends, so that the transverse beam body 1 can bear larger forces from the left and right directions of the vehicle and the front and rear directions of the vehicle, and the transverse beam body 1 can further decompose the forces from the up and down directions of the vehicle, the left and right directions and the front and rear directions of the vehicle by matching the arrangement that the lower surface of the transverse beam body 1 is a curved surface and the arrangement that the widths of the two middle side connecting plates 16 are sequentially increased from top to bottom, so that the transverse beam body 1 can bear larger forces from the up and down directions of the vehicle and the bearable forces from the front and rear directions of the vehicle are further increased.
The force from the left and right directions and the force from the up and down directions of the vehicle can be decomposed through the arrangement that the lower surfaces of the two end beams 2 are curved surfaces, and the force is primarily decomposed before the force enters the beam body 1, so that the bearing capacity of the frame beam is guaranteed to the greatest extent.
In summary, the arrangement of the middle connecting top plate 11, the middle connecting bottom plate 12 and the two middle connecting side plates 16 in cooperation with the end beams 2 can maximally decompose the forces from all directions of the vehicle received by the frame cross beam so as to increase the torsional strength and bending strength of the frame cross beam, thereby increasing the reliability and stability of the frame cross beam.
The provision of curved surfaces through the lower surface of the cross beam body 1 and the lower surfaces of the two end beams 2 also provides sufficient installation space for the arrangement of the bottom drive shaft 53.
The width of the middle connecting top plate 11 and the width of the middle connecting bottom plate 12 are gradually increased from the middle to the two ends, so that the weight of the vehicle frame cross beam can be further reduced, and the purpose of light weight is achieved.
The widths of the top plate 11 and the bottom plate 12 are gradually increased from the middle to the two ends, the lower surface of the beam body 1 and the lower surfaces of the two end beams 2 are curved surfaces, and the flash structures are arranged on the front, the back, the left and the right of the beam body 1, so that the problem of stress concentration at the two ends of the beam assembly is effectively solved.
In addition, this crossbeam simple structure, the equipment part is less, because carry out the processing that each position size was changed to the frame crossbeam and cooperate the lower surface to be the setting of curved surface, realized occupying less to the chassis space, leave more installation space for other parts.
Alternatively, as shown in fig. 2 and 3, each end beam 2 includes an end connector and side support plates 22, two ends of the cross beam body 1 are respectively connected with one end connector, two sides of each end connector are respectively connected with one side support plate 22, and each end connector is connected with the longitudinal beam connecting part 3 through the side support plate 22;
In the side support plate 22 and the side member connecting portion 3 that are connected to each other, the width of the side support plate 22 gradually increases from one end away from the side member connecting portion 3 to one end close to the side member connecting portion 3.
The width of the two end connectors gradually increases from top to bottom, and the width of each end connector gradually increases from one end close to the beam body 1 to one end far away from the beam body 1.
Each end connecting piece comprises a top connecting portion 21 and vertical connecting plates 23, two sides of the top connecting portion 21 are respectively connected with one vertical connecting plate 23, the top connecting portion 21 and the two vertical connecting plates 23 are connected with the beam body 1, and one side, far away from the top connecting portion 21, of each vertical connecting plate 23 is connected with one side supporting plate 22.
In the above alternative embodiment, it should be noted that each end connector further includes a bottom connecting portion 26, and the two vertical connecting plates 23, the top connecting portion 21, and the bottom connecting portion 26 enclose a quadrangular tubular structure.
The top connecting portion 21 is connected with the intermediate connecting top plate 11, the bottom connecting portion 26 is connected with the intermediate connecting bottom plate 12, and the vertical connecting plates 23 are connected with the intermediate connecting side plates 16 in a one-to-one correspondence.
The width of the top connecting portion 21 and the width of the bottom connecting portion 26 are gradually increased from the end close to the beam body 1 to the end far from the beam body 1, the distance between the two vertical connecting plates 23 is gradually increased from top to bottom, and the distance between the two vertical connecting plates 23 is gradually increased from the end close to the beam body 1 to the end far from the beam body 1.
The novel clothes hanger further comprises a collar hole 24, one part of the collar hole 24 is formed in the middle connecting bottom plate 12, the other part of the collar hole 24 is formed in the bottom connecting portion 26, the collar hole 24 is irregularly round, the aperture of the part of the collar hole 24 located in the middle connecting bottom plate 12 is gradually increased from one side close to the middle of the middle connecting bottom plate 12 to one side far away from the middle connecting bottom plate 12, and an arc-shaped transition portion 25 is arranged on the outer Zhou Chengxing of the collar hole 24.
The top connecting part 21, the middle connecting top plate 11, the bottom connecting part 26, the middle connecting bottom plate 12, the vertical connecting plate 23 and the middle connecting side plate 16 are integrally cast by 1 high-strength ductile iron material, and the side supporting plates 22 and the vertical connecting plate 23 and the side supporting plates 22 and the longitudinal beam connecting parts 3 are welded and connected.
The alternative embodiment has the advantages that stress concentration can be effectively reduced through the arrangement of the collar holes 24 and the transition parts 25, meanwhile, weight of the cross beam bracket can be further reduced, in addition, enough operation space can be provided for assembling the cross beam of the vehicle frame on the vehicle frame through the arrangement of the collar holes 24, the disassembly and assembly of the cross beam of the vehicle frame are convenient, and maintenance convenience is improved.
The rectangular tubular structure is formed by enclosing the two vertical connecting plates 23, the top connecting part 21 and the bottom connecting part 26, the middle connecting top plate 11, the middle connecting bottom plate 12 and the two middle connecting side plates 16, and the rectangular hollow tubular structure is formed by enclosing the two middle connecting side plates 16, so that the whole frame beam is of a variable-size tubular structure, the strength and the stability are ensured, the stress concentration is reduced to the greatest extent, and the requirement of light weight is met.
The width through the side support board 22 gradually increases from the one end that keeps away from longeron connecting portion 3 to the one end that is close to longeron connecting portion 3 and the width of two end connection spare all from top to bottom gradually increases and the width of every end connection spare all from the one end that is close to crossbeam body 1 to the one end that keeps away from crossbeam body 1 gradually increases set up can be further carry out the decomposition of all directions to the power from the vehicle to realize this frame crossbeam can bear very big impact force, satisfy the performance requirement.
The stress concentration of the frame cross member is further relieved by the provision of the side support plates 22.
Alternatively, as shown in fig. 1 to 4, the width of the beam body 1 gradually increases from the middle toward both ends.
Alternatively, as shown in fig. 1 to 7, each of the side member connecting parts 3 includes a side member connecting plate 34, a first connecting lug 31, a second connecting lug 32, and a third connecting lug 33, the upper end of each of the side member connecting plates 34 is connected with the end beam 2, and the side surface of each of the side member connecting plates 34 is provided with the first connecting lug 31, the second connecting lug 32, and the third connecting lug 33.
The lower surface of the beam body 1 is provided with a bottom mounting portion 13, one side of the beam body 1 is provided with a first side mounting portion 14, and the other side of the beam body 1 is provided with a second side mounting portion 15.
In the above-mentioned alternative embodiment, it should be noted that, the first connecting lug 31 is provided with a plurality of fifth mounting holes 311, the second connecting lug 32 is provided with a plurality of sixth mounting holes 321, the third connecting lug 33 is provided with a plurality of seventh mounting holes 331, the number of the second connecting lugs 32 of each longitudinal beam connecting portion 3 is two, the first connecting lug 31 and one of the second connecting lugs 32 are arranged in a step shape, the third connecting lug 33 and the other second connecting lug 32 are arranged in a step shape, each first connecting lug 31 is provided with two fifth mounting holes 311, the second connecting lug 32 is provided with three sixth mounting holes 321, and the third connecting lug 33 is provided with four seventh mounting holes 331.
The surfaces of the first, second and third connection lugs 31, 32 and 33 can be machined, and casting accuracy can be improved without machining, so that assembly errors can be reduced.
The fifth mounting hole 311, the sixth mounting hole 321 and the seventh mounting hole 331 are all threaded holes to increase the convenience of connecting the present beam with the frame.
The alternative embodiment has the beneficial effects that the first connecting lug 31 and one of the second connecting lugs 32 are arranged in a step shape, the third connecting lug 33 and the other second connecting lug 32 are arranged in a step shape, and the trapezoid arrangement of the fifth mounting holes 311 and the sixth mounting holes 321 and the fifth mounting holes 311 and the seventh mounting holes 331 is realized, so that the frame cross beam and the frame can occupy a smaller space when being connected, and meanwhile, higher connecting force can be achieved, and the connection reliability of the frame cross beam is further ensured.
Alternatively, as shown in fig. 1 to 7, the bottom mounting portion 13 is provided with a first mounting hole 131, the first side mounting portion 14 is provided with a second mounting hole 141, the second side mounting portion 15 is provided with a third mounting hole 151, and the top connecting portion 21 is provided with a fourth mounting hole 211.
In the above alternative embodiment, it should be noted that, the bottom mounting portion 13, the first side mounting portion 14 and the second side mounting portion 15 are all boss structures to reduce the machining area and save the manufacturing cost.
The first mounting hole 131, the second mounting hole 141, the third mounting hole 151, and the fourth mounting hole 211 are screw holes.
Six fourth mounting holes 211 are formed in each top connecting portion 21, three fourth mounting holes 211 in the six fourth mounting holes 211 are arranged in a triangular mode in each group of fourth mounting holes 211, the other three fourth mounting holes 211 are arranged in a linear mode on the outer sides of the three fourth mounting holes 211 in the triangular mode, and the fourth mounting holes 211 are also used for connecting the frame cross beam with a frame.
The second mounting hole 141 is used for connecting the ABS control valve bracket 51 through the bolt, the ABS control valve bracket 51 is used for installing the ABS control valve, the third mounting hole 151 is used for connecting the supporting angle plate of the transmission shaft 50 and the heating water pipe 52 through the bolt, the first mounting hole 131 is used for connecting the bottom wire harness bracket 54 through the bolt, the brake pipeline 55 and the whole wire harness are all bound on the bottom wire harness bracket 54 through the rolling belt, the crossing of the brake pipeline 55 and the whole wire harness on the frame right longitudinal beam 41 and the frame left longitudinal beam 42 is realized, the communication of the left and right bottom coil wire harnesses is ensured, the management line is smooth, the potential safety hazard of wire harness grinding and bumping is effectively solved, and the quality of the whole vehicle is improved.
The ABS control valve bracket 51, the transmission shaft 50, the heating water pipe 52, the brake pipe 55 and the whole wire harness are all arranged on the cavity formed by the curved surface of the lower surface of the beam body 1 in a penetrating way, so that the space utilization is maximized.
The beneficial effects of the alternative embodiment are that the combination of six fourth mounting holes 211 to form four triangles is realized by the arrangement of the triangle combination linear shape of each group of six fourth mounting holes 211, and the stability of the connection between the frame cross beam and the frame is ensured by utilizing the stability of the triangles.
Through the cooperation setting of first mounting hole 131, second mounting hole 141, third mounting hole 151, fourth mounting hole 211, fifth mounting hole 311, sixth mounting hole 321 and seventh mounting hole 331, reliable stable connection between this frame crossbeam and the frame has been realized simultaneously that transmission shaft 50, the installation of ABS control valve, heating water pipe 52, braking pipeline 55 and whole car pencil, for transmission shaft 50, the ABS control valve, heating water pipe 52, braking pipeline 55 and whole car pencil provide the convenient regulation of installation space and installation, this kind of integrated design has both solved the single drawback of current product function, the last multiunit mounting hole of frame crossbeam can realize transmission shaft 50 simultaneously, the ABS control valve, heating water pipe 52, multiple part line subassemblies such as braking pipeline 55, promote assembly efficiency. Therefore, the number of parts of the whole vehicle is reduced, the production cost is saved, the production efficiency is improved, and the problem that rivets are loose and the assembly size is out of tolerance is effectively solved.
To sum up, this frame crossbeam realizes high quality, lightweight, reduce cost through high strength and toughness ductile iron material integrative cast molding, adopts arch structure to improve whole car arrangement space, improves frame deformation zone atress situation, guarantees frame security and life, and the multiunit mounting hole on the frame crossbeam can realize multiple part assembly under the line, promotes assembly efficiency, possesses aesthetic property and maintainability simultaneously, and the structure is more optimized, is fit for promoting.
According to a second aspect of the present invention, as shown in fig. 5 to 7, a vehicle frame is provided, and the vehicle frame according to the first aspect of the present invention includes a left side member 42, a right side member 41 and a connecting plate 43, wherein the vehicle frame is disposed between the left side member 42 and the right side member 41, one connecting plate 43 is disposed on each of the side surface of the left side member 42 and the side surface of the right side member 41, and the two connecting plates 43 are respectively connected to the two top connecting portions 21 in a one-to-one correspondence.
In the above alternative embodiment, the connection plate 43 is connected to the fourth mounting hole 211 by a bolt, the frame left side member 42 and the frame right side member 41 are connected to the fifth mounting hole 311, the sixth mounting hole 321 and the seventh mounting hole 331 of the corresponding side member connection portion 3 by bolts, respectively, and the frame cross member is disposed at the position of the frame deformation region 4.
The above-mentioned optional embodiment has the beneficial effects that when the frame cross beam is connected with the frame left longitudinal beam 42 and the frame right longitudinal beam 41 through the arrangement of the connecting plates 43, the positioning is performed on both sides below and above the frame cross beam, and the fourth mounting hole 211, the fifth mounting hole 311, the sixth mounting hole 321 and the seventh mounting hole 331 are matched to form a triangular mounting and positioning structure, so that the frame cross beam is reliably and stably connected with the frame left longitudinal beam 42 and the frame right longitudinal beam 41.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (7)

1.一种车架横梁,其特征在于,包括横梁本体(1)、端部梁(2)和纵梁连接部(3),所述横梁本体(1)的两端分别连接有一个所述端部梁(2),每个所述端部梁(2)背离所述横梁本体(1)的端部均连接有一个所述纵梁连接部(3),所述横梁本体(1)的下表面及两个所述端部梁(2)的下表面均为曲面,所述纵梁连接部(3)与所述横梁本体(1)的上表面之间的角度为钝角,每个所述端部梁(2)均包括端部连接件和侧支撑板(22),所述横梁本体(1)的两端分别连接有一个所述端部连接件,每个所述端部连接件的两侧分别连接有一个所述侧支撑板(22),每个所述端部连接件均通过所述侧支撑板(22)与所述纵梁连接部(3)连接;1. A crossbeam for a vehicle frame, characterized in that it comprises a crossbeam body (1), end beams (2) and longitudinal beam connecting parts (3), wherein the two ends of the crossbeam body (1) are respectively connected to an end beam (2), and the end of each end beam (2) facing away from the crossbeam body (1) is connected to a longitudinal beam connecting part (3), the lower surface of the crossbeam body (1) and the lower surfaces of the two end beams (2) are both curved surfaces, the angle between the longitudinal beam connecting part (3) and the upper surface of the crossbeam body (1) is an obtuse angle, each end beam (2) includes an end connector and a side support plate (22), the two ends of the crossbeam body (1) are respectively connected to an end connector, and the two sides of each end connector are respectively connected to a side support plate (22), and each end connector is connected to the longitudinal beam connecting part (3) through the side support plate (22); 在相互连接的所述侧支撑板(22)与所述纵梁连接部(3)中,所述侧支撑板(22)的宽度自远离所述纵梁连接部(3)的一端至靠近所述纵梁连接部(3)的一端逐渐增加,两个所述端部连接件的宽度均自上至下逐渐增加且每个所述端部连接件的宽度均自靠近所述横梁本体(1)的一端至远离所述横梁本体(1)的一端逐渐增加,所述横梁本体(1)的宽度自中间向两端逐渐增加。In the interconnected side support plate (22) and the longitudinal beam connection (3), the width of the side support plate (22) gradually increases from the end away from the longitudinal beam connection (3) to the end close to the longitudinal beam connection (3), the width of the two end connectors gradually increases from top to bottom, and the width of each end connector gradually increases from the end close to the crossbeam body (1) to the end away from the crossbeam body (1), and the width of the crossbeam body (1) gradually increases from the middle to both ends. 2.根据权利要求1所述的车架横梁,其特征在于,所述横梁本体(1)、所述端部梁(2)和所述纵梁连接部(3)一体成型。2. The frame crossbeam according to claim 1, characterized in that the crossbeam body (1), the end beam (2) and the longitudinal beam connecting part (3) are integrally formed. 3.根据权利要求1所述的车架横梁,其特征在于,每个所述纵梁连接部(3)均包括纵梁连接板(34)、第一连接耳(31)、第二连接耳(32)和第三连接耳(33),每个所述纵梁连接板(34)的上端均与所述端部梁(2)连接,所述每个所述纵梁连接板(34)的侧面均设置有所述第一连接耳(31)、所述第二连接耳(32)和第三连接耳(33)。3. The frame crossbeam according to claim 1, characterized in that each of the longitudinal beam connecting parts (3) includes a longitudinal beam connecting plate (34), a first connecting ear (31), a second connecting ear (32) and a third connecting ear (33), the upper end of each of the longitudinal beam connecting plates (34) is connected to the end beam (2), and the side of each of the longitudinal beam connecting plates (34) is provided with the first connecting ear (31), the second connecting ear (32) and the third connecting ear (33). 4.根据权利要求1所述的车架横梁,其特征在于,每个所述端部连接件均包括顶连接部(21)和竖连接板(23),所述顶连接部(21)的两侧分别连接有一个所述竖连接板(23),所述顶连接部(21)和两个所述竖连接板(23)均与所述横梁本体(1)连接,每个所述竖连接板(23)远离所述顶连接部(21)的一侧均与连接有一个所述侧支撑板(22)。4. The frame crossbeam according to claim 1, characterized in that each of the end connectors includes a top connecting part (21) and a vertical connecting plate (23), and a vertical connecting plate (23) is connected to each side of the top connecting part (21), the top connecting part (21) and the two vertical connecting plates (23) are connected to the crossbeam body (1), and a side support plate (22) is connected to the side of each vertical connecting plate (23) away from the top connecting part (21). 5.根据权利要求4所述的车架横梁,其特征在于,所述横梁本体(1)的下表面设置有底安装部(13),所述横梁本体(1)的一侧设置有第一侧安装部(14),所述横梁本体(1)的另一侧设置有第二侧安装部(15)。5. The frame crossbeam according to claim 4, characterized in that a bottom mounting part (13) is provided on the lower surface of the crossbeam body (1), a first side mounting part (14) is provided on one side of the crossbeam body (1), and a second side mounting part (15) is provided on the other side of the crossbeam body (1). 6.根据权利要求5所述的车架横梁,其特征在于,所述底安装部(13)上开设有第一安装孔(131),所述第一侧安装部(14)上开设有第二安装孔(141),所述第二侧安装部(15)上开设有第三安装孔(151),所述顶连接部(21)上开设有第四安装孔(211)。6. The frame crossbeam according to claim 5, characterized in that a first mounting hole (131) is provided on the bottom mounting part (13), a second mounting hole (141) is provided on the first side mounting part (14), a third mounting hole (151) is provided on the second side mounting part (15), and a fourth mounting hole (211) is provided on the top connecting part (21). 7.一种车架,其特征在于,使用如权利要求1至6中任一项所述的车架横梁,除此之外,还包括车架左纵梁(42)、车架右纵梁(41)及连接板(43),车架横梁设置于所述车架左纵梁(42)与所述车架右纵梁(41)之间,所述车架左纵梁(42)的侧面和所述车架右纵梁(41)的侧面均设置有一个所述连接板(43),两个所述连接板(43)分别与两个所述顶连接部(21)一一对应连接。7. A frame, characterized in that it uses a frame crossbeam as described in any one of claims 1 to 6, and further includes a left longitudinal beam (42), a right longitudinal beam (41), and a connecting plate (43), wherein the frame crossbeam is disposed between the left longitudinal beam (42) and the right longitudinal beam (41), and a connecting plate (43) is provided on the side of the left longitudinal beam (42) and the side of the right longitudinal beam (41), and the two connecting plates (43) are respectively connected to the two top connecting parts (21) one by one.
CN202411374106.8A 2024-09-29 2024-09-29 Frame cross beam and frame Active CN119058816B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411374106.8A CN119058816B (en) 2024-09-29 2024-09-29 Frame cross beam and frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411374106.8A CN119058816B (en) 2024-09-29 2024-09-29 Frame cross beam and frame

Publications (2)

Publication Number Publication Date
CN119058816A CN119058816A (en) 2024-12-03
CN119058816B true CN119058816B (en) 2025-12-16

Family

ID=93636866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411374106.8A Active CN119058816B (en) 2024-09-29 2024-09-29 Frame cross beam and frame

Country Status (1)

Country Link
CN (1) CN119058816B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114655312A (en) * 2022-03-28 2022-06-24 东风柳州汽车有限公司 Frame cross beam and automobile with same
CN219312862U (en) * 2022-12-30 2023-07-07 中国重汽集团济南动力有限公司 Frame cast aluminum cross beam for commercial vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020096692A2 (en) * 2018-09-05 2020-05-14 Magnesium Products of America, Inc. Cross-car beam structure with pencil brace for cowl attachment
CN209305661U (en) * 2018-12-21 2019-08-27 中国重汽集团济南动力有限公司 A kind of long wheelbase frame distortion area crossbeam assembly
CN114506389A (en) * 2020-11-16 2022-05-17 北汽福田汽车股份有限公司 Frame cross member and vehicle
CN214874089U (en) * 2021-03-15 2021-11-26 中国重汽集团济南动力有限公司 A composite structure of a leaf spring bracket and a tubular beam for a truck
CN115257929A (en) * 2022-08-01 2022-11-01 中国重汽集团济南动力有限公司 Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure
CN221698825U (en) * 2023-09-20 2024-09-13 重庆瑞驰汽车实业有限公司 A front crossbeam structure of a vehicle frame and a vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114655312A (en) * 2022-03-28 2022-06-24 东风柳州汽车有限公司 Frame cross beam and automobile with same
CN219312862U (en) * 2022-12-30 2023-07-07 中国重汽集团济南动力有限公司 Frame cast aluminum cross beam for commercial vehicle

Also Published As

Publication number Publication date
CN119058816A (en) 2024-12-03

Similar Documents

Publication Publication Date Title
CN203093657U (en) Novel combined bracket
CN221214219U (en) Subframe of a vehicle, body component of a vehicle, and vehicle
CN223864958U (en) Beam assembly, frame and wide body vehicle
CN104590375A (en) Front-end bracket for frame of heavy-duty commercial vehicle
CN121448521A (en) Cabin beam structure, cabin assembly and car
CN215475353U (en) Frame cross beam and car
CN119058816A (en) Frame beams and frames
CN222408369U (en) Rear subframe structure and automobile
CN222432250U (en) Combined bracket and vehicle electrical system thereof
CN221162996U (en) Chassis and new energy commercial vehicle
CN217917832U (en) Electric control combined bracket of pure electric heavy truck
CN215475134U (en) Main and auxiliary air supply unit integrated module hanger structure
CN217944888U (en) Split type cross suspension
CN120057109B (en) Frame support structure and vehicle with same
CN220180933U (en) Cabin bracket for vehicle and vehicle
CN209972449U (en) Bogie coupling device, bogie and monorail operation vehicle
CN113799875A (en) Frame front end bearing device and vehicle
CN224045273U (en) Front connecting beam of heavy truck
CN220031884U (en) Battery mounting bracket, mounting structure and automobile
CN223934800U (en) Frame integrated support, frame assembly and vehicle
CN215794030U (en) Lightweight tail cross beam and frame mounting structure thereof
CN119928993A (en) Mounting device for truck fender and vehicle having the same
CN223104652U (en) An engine lubrication system for an automobile
CN112061234A (en) Cross-country vehicle and combined cross beam device thereof
CN223161591U (en) Torsion beam rear suspension structure and automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant