CN-117184297-B - All-terrain vehicle

CN117184297BCN 117184297 BCN117184297 BCN 117184297BCN-117184297-B

Abstract

The invention discloses an all-terrain vehicle which comprises a vehicle frame, wherein the vehicle frame comprises an upper main beam, an auxiliary main beam, a support column, a first supporting position and a second supporting position, wherein the upper main beam is arranged on the upper side of the vehicle frame, the auxiliary main beam is at least partially attached to and connected with the upper main beam, at least partially in line contact or surface contact with the upper main beam, the support column is used for supporting the upper main beam, the connection position of the support column and the upper main beam is the first supporting position, the connection position of the auxiliary main beam and the upper main beam is the second supporting position, and the support column supports the upper main beam through the first supporting position and the auxiliary main beam through the second supporting position. The invention has the beneficial effects that the third support column and the auxiliary main beam can simultaneously support the upper main beam, so that the support of the upper main beam is changed from the point support of the third support column to the common support of the third support column and the auxiliary main beam, the strength and the rigidity of the upper main beam are further improved, and the cracking of the upper main beam caused by insufficient strength is prevented.

Inventors

LIU WANRU
LIN ZHIPENG
LUO LONGPING
LI CHANGJIANG
RUI SHIXIAN

Assignees

浙江春风动力股份有限公司

Dates

Publication Date: 20260508
Application Date: 20220530

Claims (8)

1. An all-terrain vehicle comprising: A frame; the walking assembly is at least partially arranged on the frame and comprises a first walking wheel and a second walking wheel; the suspension assembly comprises a front suspension and a rear suspension, the first travelling wheel is connected with the frame through the front suspension, and the second travelling wheel is connected with the frame through the rear suspension; A power assembly at least partially disposed on the frame; It is characterized in that the method comprises the steps of, The frame comprises: The upper main beam is arranged on the upper side of the frame; The auxiliary girder is at least partially attached to and connected with the upper girder, and at least partially in line contact or surface contact with the upper girder; a third strut for supporting the upper main beam; A fourth strut for supporting the upper main beam, the fourth strut being located rearward of the third strut; The joint of the third support column and the upper main beam is a first supporting position, and the joint of the auxiliary main beam and the upper main beam is a second supporting position; the third support post supports the upper main beam through the first support position, and the auxiliary main beam supports the upper main beam through the second support position; The front section of the auxiliary girder is connected with the third support column, forms a triangular frame together with the third support column and the upper girder and is used for supporting the upper girder, and the rear section of the auxiliary girder is connected with the upper end of the fourth support column.
2. The all-terrain vehicle of claim 1, characterized in that the frame further comprises: The lower girder is arranged at the lower side of the upper girder; One end of the third support is connected with the upper main beam, and the other end of the third support is connected with the lower main beam; one end of the auxiliary girder is connected with the third support column, and the other end of the auxiliary girder is attached to and connected with the upper girder.
3. The all-terrain vehicle of claim 1, wherein the auxiliary girder comprises a first branch pipe and a second branch pipe, one end of the first branch pipe is connected with the third support, the other end of the first branch pipe is connected with one end of the second branch pipe, and the second branch pipe is attached to and connected with the upper girder.
4. The all-terrain vehicle of claim 3, characterized in that the second branch and the upper main beam are in line contact or in surface contact.
5. The all-terrain vehicle of claim 3, characterized in that the first branch pipe and the second branch pipe are integrally formed.
6. The all-terrain vehicle of claim 3, characterized in that one end of the first branch pipe is connected to a middle portion of the third pillar.
7. The all-terrain vehicle of claim 1, characterized in that the first support position is disposed on a front side of the second support position.
8. The all-terrain vehicle of claim 1, wherein a maximum bending moment of the upper main beam is a first bending moment when the support of the upper main beam is a point support of the third mast, and a second bending moment when the support of the upper main beam is a common support of the third mast and the auxiliary main beam, wherein the first bending moment is greater than the second bending moment.

Description

All-terrain vehicle Technical Field The invention relates to the field of vehicles, in particular to an all-terrain vehicle. Background Currently, the upper main beam of an all-terrain vehicle is basically formed by a single main beam pipe. The rear side of the upper main beam of the all-terrain vehicle bears larger weight, and the rear side of the upper main beam is mainly supported by the C column of the frame, namely, the supporting point of the rear side of the upper main beam is only the C column of the frame. According to the stress analysis, the C column of the frame provides the support of the upper main beam as a point support, so that the support force of the upper main beam, which is supported by the C column of the frame, is mainly concentrated on one point of the upper main beam. The strength of the single main beam tube does not meet the stress requirement of the upper main beam, so that the frame is at risk of cracking. Disclosure of Invention In order to solve the defects in the prior art, the invention aims to provide the all-terrain vehicle capable of improving the strength of the upper main beam of the vehicle frame. In order to achieve the above purpose, the present invention adopts the following technical scheme: The all-terrain vehicle comprises a vehicle frame, a traveling assembly, a suspension assembly and a power assembly, wherein the traveling assembly is at least partially arranged on the vehicle frame and comprises a first traveling wheel and a second traveling wheel, the suspension assembly comprises a front suspension and a rear suspension, the first traveling wheel is connected with the vehicle frame through the front suspension, the second traveling wheel is connected with the vehicle frame through the rear suspension, the power assembly is at least partially arranged on the vehicle frame, the vehicle frame comprises an upper main beam, an auxiliary main beam is arranged on the upper side of the vehicle frame, at least part of the auxiliary main beam is attached and connected with the upper main beam, at least part of the auxiliary main beam is in line contact or surface contact with the upper main beam, a strut is used for supporting the upper main beam, the joint of the strut and the upper main beam is a first supporting position, the joint of the auxiliary main beam and the upper main beam is a second supporting position, and the auxiliary main beam supports the upper main beam through the second supporting position. The frame further comprises a lower girder, wherein the lower girder is arranged at the lower side of the upper girder, one end of the strut is connected with the upper girder, the other end of the strut is connected with the lower girder, one end of the auxiliary girder is connected with the strut, and the other end of the auxiliary girder is attached to and connected with the upper girder. Further, the struts, the lower main beams and the auxiliary main beams are formed with a frame structure. Further, the frame structure is substantially triangular in shape. Further, the auxiliary girder comprises a first branch pipe and a second branch pipe, one end of the first branch pipe is connected with the supporting column, the other end of the first branch pipe is connected with one end of the second branch pipe, and the second branch pipe is attached to and connected with the upper girder. Further, the second branch pipe and the upper main beam are in line contact or surface contact. Further, the first branch pipe and the second branch pipe are integrally formed. Further, one end of the first branch pipe is connected to the middle part of the pillar. Further, the first support position is disposed on a front side of the second support position. Further, when the support of the upper main beam is the point support of the strut, the maximum bending moment of the upper main beam is a first bending moment, and when the support position strut of the upper main beam and the auxiliary main beam are jointly supported, the maximum bending moment of the upper main beam is a second bending moment, wherein the first bending moment is larger than the second bending moment. Compared with the prior art, the all-terrain vehicle provided by the invention can enable the third support column and the auxiliary main beam to simultaneously support the upper main beam, so that the support of the upper main beam is changed from the point support of the third support column to the common support of the third support column and the auxiliary main beam, the strength and the rigidity of the upper main beam are further improved, and the upper main beam is prevented from cracking due to insufficient strength. Drawings FIG. 1 is a schematic view of the structure of an ATV of the present invention. FIG. 2 is an all-terrain vehicle of the present invention is a partially schematic structural view of the (c). Fig. 3 is a schematic view of the frame structure of the all-terrain vehicle of the pres