Rear auxiliary frame structure of high-strength steel truck and car

Abstract

The invention discloses a high-strength steel truck and car rear subframe structure, which relates to the field of automobiles and comprises a beam, and a reinforcing mechanism is mounted on one side of the beam. According to the automobile cross beam, the positioning sleeves are arranged outside the positioning rods, the reinforcing plates are positioned on the automobile cross beam, the outer reinforcing plates and the inner reinforcing plates are arranged, and the reinforcing plates are installed outside the automobile cross beam, so that the overall strength of the automobile cross beam can be improved, and the possibility that the automobile cross beam deforms due to external impact force is reduced; the outer portion of a connecting rod is connected with one side of a supporting plate in a clamped mode, meanwhile, a connecting plate is installed between the two supporting plates and used for improving the transverse supporting force between the two supporting plates, and through arrangement of a second installing rod and a first supporting arm, the supporting force is provided between the vehicle beam and the vehicle frame assembly, and the rigid supporting effect on the vehicle beam is improved; and the position of the second mounting rod is adjusted, so that one end of the second supporting arm is connected into different mounting holes, and the supporting force on the vehicle cross beam can be adjusted in a small range.

Description

Technical Field

[0001] The invention relates to the technical field of food detection, in particular to a high-strength steel truck car rear subframe structure. Background Art

[0002] The rear subframe structure is an important part of the vehicle chassis structure. It mainly supports and connects the front and rear axles, suspension system and body.

[0003] For example, the "rear subframe" with publication number CN207697816U includes a front crossbeam, a rear crossbeam and two longitudinal beams symmetrically arranged on the left and right, wherein front mounting sleeves are respectively provided at both ends of the front crossbeam, a groove is formed inwardly in the middle of the front crossbeam, and two front suspension mounting sleeves symmetrically arranged are provided in the groove; one end of the longitudinal beam is fixedly connected to the front crossbeam, a rear mounting sleeve is constructed at the other end of the longitudinal beam, and a lifting positioning hole bracket is fixedly connected to the side wall of the rear mounting sleeve; the rear crossbeam is arranged at intervals from the front crossbeam, and is overlapped and fixedly connected between the two longitudinal beams, and a rear suspension mounting sleeve is inserted through the middle of the rear crossbeam.

[0004] In the prior art, a cross beam is installed between two longitudinal beams of the rear subframe of the vehicle, which cannot increase the strength of the cross beam and has poor torsional resistance. When the rear subframe is impacted, the cross beam is easily deformed or even damaged, and cannot meet the requirements of the car to withstand impact force, resulting in safety hazards in the use of the rear subframe. Summary of the invention

[0005] The object of the present invention is to provide a high-strength steel truck car rear subframe structure to solve the problem that the cross beam itself has poor strength and is easily deformed and damaged under the action of impact force proposed in the above-mentioned background technology. In the present invention, a positioning sleeve is installed on the outside of a positioning rod to position a reinforcing plate on the cross beam of the vehicle. An outer reinforcing plate and an inner reinforcing plate are respectively fixedly connected to the inner and outer sides of the reinforcing plate, and the reinforcing plate is installed on the outside of the cross beam of the vehicle. This can improve the overall strength of the cross beam of the vehicle and reduce the possibility of deformation of the cross beam of the vehicle due to external impact force.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-strength steel truck car rear subframe structure, comprising a cross beam, a reinforcing mechanism is installed on one side of the cross beam, a fixing mechanism is installed on the other side of the cross beam, a frame assembly is installed on one side of the fixing mechanism, and a stabilizing mechanism is installed on the other side of the fixing mechanism, the reinforcing mechanism comprises a reinforcing plate and a fixing bolt, the reinforcing plate is arranged on the outside of the cross beam, the reinforcing plate and the cross beam are connected by fixing bolts, an outer reinforcing plate is fixedly connected to the outer side of the reinforcing plate, a positioning sleeve is fixedly connected to one side of the reinforcing plate, a positioning rod is inserted inside the positioning sleeve, one end of the positioning rod is fixedly connected to one side of the cross beam, an inner reinforcing plate is fixedly connected to the inner side of the reinforcing plate, one side of the inner reinforcing plate is overlapped with one side of the cross beam, the reinforcing mechanism is used to be installed on the outside of the cross beam to improve the strength of the cross beam, the fixing mechanism is used to connect two support beams to provide support force for the cross beam, and the stabilizing mechanism is used to improve the rigidity of the cross beam and reduce the impact force between the cross beam and the frame assembly.

[0007] Preferably, first mounting brackets are provided at both ends of the cross beam, and the cross beam is fixedly mounted by the first mounting brackets.

[0008] Preferably, the frame assembly includes two support beams, one end of the two support beams is fixedly connected to the vehicle longitudinal beam, the stabilizing mechanism includes a second rotating part, one end of the second rotating part is installed on one side of the vehicle longitudinal beam, the other end of the second rotating part is installed with a second connecting part, one end of the second connecting part is fixedly connected to a second outer sleeve, the interior of the second outer sleeve is slidably connected to the first outer sleeve, one end of the first outer sleeve is fixedly connected to the first connecting part, and one end of the first connecting part is installed at one end of the first rotating part.

[0009] Preferably, a shock-absorbing sleeve is installed on one side of the second outer sleeve, one end of the shock-absorbing sleeve is installed on one end of the first outer sleeve, a shock-absorbing spring is sleeved on the outside of the shock-absorbing sleeve, and both ends of the shock-absorbing spring are arranged between the first outer sleeve and the second outer sleeve.

[0010] Preferably, a second mounting bracket is installed on one side of the support beam.

[0011] Preferably, the other ends of the two support beams are fixedly connected to a third mounting rod, one end of the support beam is fixedly connected to a support plate via the third mounting rod, a stabilizing plate is installed between the two support plates, and an end of the stabilizing plate is fixedly connected to an end of the third mounting rod.

[0012] Preferably, the fixing mechanism includes a connecting plate, one side of the connecting plate is installed on one side of the supporting plate, both ends of the connecting plate are installed with a first mounting rod, the outside of the first mounting rod is installed with a first support arm, and one end of the first support arm is fixedly connected to one end of the vehicle longitudinal beam.

[0013] Preferably, the exteriors of the two support plates are clamped with connecting rods, both ends of the connecting rods are fixedly connected to support rods, and one end of the support rods is fixedly connected to one side of the support beam.

[0014] Preferably, one end of the vehicle longitudinal beam is rotatably connected to a second support arm, and one end of the second support arm is rotatably connected to a second mounting rod.

[0015] Preferably, a mounting hole is provided on one side of the vehicle cross beam, and the interior of the mounting hole is fixedly connected to the exterior of the second mounting rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the reinforcing plate is positioned on the vehicle cross beam by sleeved on the outside of the positioning sleeve, and the outer reinforcing plate and the inner reinforcing plate are respectively fixedly connected to the inner and outer sides of the reinforcing plate, and the reinforcing plate is installed on the outside of the vehicle cross beam, which can improve the overall strength of the vehicle cross beam, reduce the possibility of deformation of the vehicle cross beam due to external impact force, and improve the service life of the vehicle cross beam.

[0017] 2. In the present invention, the outside of the connecting rod is clamped with one side of the support plate, and a connecting plate is installed between the two support plates to increase the lateral support force between the two support plates. By setting the second mounting rod and the first support arm, support force is provided between the vehicle cross beam and the frame assembly, thereby improving the rigid support effect of the vehicle cross beam. By adjusting the position of the second mounting rod so that one end of the second support arm is connected to different mounting holes, the support force of the vehicle cross beam can be slightly adjusted.

[0018] 3. In the present invention, vibration and noise can be reduced by setting the shock-absorbing spring and the shock-absorbing sleeve. The end of the first connecting part is connected to the vehicle cross beam, and the end of the second connecting part is connected to the vehicle longitudinal beam. While buffering, the supporting force between the vehicle cross beam and the frame assembly is improved, the bearing capacity of the vehicle cross beam is increased, and the overall rigidity of the subframe is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a first three-dimensional structural schematic diagram of a high-strength steel truck car rear subframe structure of the present invention; Figure 2 A second three-dimensional structural schematic diagram of a high-strength steel truck car rear subframe structure of the present invention; Figure 3A schematic diagram of a reinforcing mechanism connection structure of a high-strength steel truck car rear subframe structure of the present invention; Figure 4 It is a schematic diagram of the disassembled structure of a reinforcement mechanism of a high-strength steel truck car rear subframe structure of the present invention; Figure 5 It is a schematic diagram of a reinforcing mechanism and a frame assembly connection structure of a high-strength steel truck car rear subframe structure of the present invention; Figure 6 It is a schematic diagram of the disassembled structure of a stabilizing mechanism of a high-strength steel truck car rear subframe structure of the present invention; Figure 7 The present invention is a schematic diagram of a fixing mechanism and a frame assembly connection structure of a high-strength steel truck car rear subframe structure.

[0020] In the figure: 1. vehicle cross beam; 2. reinforcement mechanism; 21. reinforcement plate; 22. outer reinforcement plate; 23. positioning sleeve; 24. fixing bolt; 25. first rotating part; 26. positioning rod; 27. inner reinforcement plate; 3. fixing mechanism; 31. support rod; 32. connecting rod; 33. first mounting rod; 34. first support arm; 35. connecting plate; 36. second mounting rod; 37. mounting hole; 38. second support arm; 4. frame assembly; 41. support beam; 42. vehicle longitudinal beam; 43. third mounting rod; 44. support plate; 45. stabilizing plate; 5. stabilizing mechanism; 51. second rotating part; 52. first outer sleeve; 53. first connecting part; 54. second outer sleeve; 55. shock-absorbing spring; 56. shock-absorbing sleeve; 57. second connecting part; 6. first mounting bracket; 7. second mounting bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Reference Figure 1 - Figure 7As shown: a high-strength steel truck car rear subframe structure, including a vehicle cross beam 1, a reinforcing mechanism 2 is installed on one side of the vehicle cross beam 1, a fixing mechanism 3 is installed on the other side of the vehicle cross beam 1, a frame assembly 4 is installed on one side of the fixing mechanism 3, and a stabilizing mechanism 5 is installed on the other side of the fixing mechanism 3. The reinforcing mechanism 2 includes a reinforcing plate 21 and a fixing bolt 24. The reinforcing plate 21 is arranged outside the vehicle cross beam 1, and the reinforcing plate 21 is connected to the vehicle cross beam 1 through the fixing bolt 24. The outer side of the reinforcing plate 21 is fixedly connected to an outer reinforcing plate 22, and one side of the reinforcing plate 21 is fixedly connected to a positioning sleeve 2 3. A positioning rod 26 is inserted into the interior of the positioning sleeve 23, one end of the positioning rod 26 is fixedly connected to one side of the cross beam 1, an inner reinforcing plate 27 is fixedly connected to the inner side of the reinforcing plate 21, one side of the inner reinforcing plate 27 overlaps with one side of the cross beam 1, the reinforcing mechanism 2 is used to be installed on the outside of the cross beam 1 to improve the strength of the cross beam 1, the fixing mechanism 3 is used to connect the two supporting beams 41 to provide supporting force for the cross beam 1, the stabilizing mechanism 5 is used to improve the rigidity of the cross beam 1 and reduce the impact force between the cross beam 1 and the frame assembly 4; both ends of the cross beam 1 are provided with a first mounting bracket 6.

[0023] In this embodiment, the reinforcing plate 21 is placed outside the vehicle cross beam 1, the positioning sleeve 23 is first released from the positioning rod 26, and the positioning sleeve 23 is sleeved on the outside of the positioning rod 26, so that the reinforcing plate 21 and the vehicle cross beam 1 can be positioned to prevent the reinforcing plate 21 from moving outside the vehicle cross beam 1, and the reinforcing plate 21 and the vehicle cross beam 1 are fixed by fixing bolts 24, and an inner reinforcing plate 27 is arranged inside the reinforcing plate 21, and the inner reinforcing plate 27 is designed in a wavy shape, which increases the strength of the reinforcing plate 21, and the inner reinforcing plate 27 with a wavy design can absorb vibration and noise, reduce To reduce noise damage, a plurality of external reinforcement plates 22 are arranged on the outside of the reinforcement plate 21. The cross-section of the external reinforcement plate 22 is triangular, which can improve the anti-twisting performance of the external reinforcement plate 22. The external reinforcement plate 22 and the internal reinforcement plate 27 are respectively fixedly connected to the inner and outer sides of the reinforcement plate 21, and the reinforcement plate 21 is installed on the outside of the vehicle cross beam 1, which can improve the overall strength of the vehicle cross beam 1, reduce the possibility of deformation of the vehicle cross beam 1 due to external impact force, and increase the service life of the vehicle cross beam 1. The vehicle cross beam 1 is installed through the first mounting bracket 6 to fix the rear subframe structure.

[0024] Embodiment 2: Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the frame assembly 4 includes two support beams 41, one end of the two support beams 41 is fixedly connected to the vehicle longitudinal beam 42, the stabilizing mechanism 5 includes a second rotating part 51, one end of the second rotating part 51 is installed on one side of the vehicle longitudinal beam 42, the other end of the second rotating part 51 is installed with a second connecting part 57, one end of the second connecting part 57 is fixedly connected to a second outer sleeve 54, the interior of the second outer sleeve 54 is slidably connected to the first outer sleeve 52, one end of the first outer sleeve 52 is fixedly connected to the first connecting part 53, one end of the first connecting part 53 is installed on one end of the first rotating part 25; a shock-absorbing sleeve 56 is installed on one side of the second outer sleeve 54, one end of the shock-absorbing sleeve 56 is installed on one end of the first outer sleeve 52, a shock-absorbing spring 55 is sleeved on the outside of the shock-absorbing sleeve 56, and both ends of the shock-absorbing spring 55 are arranged between the first outer sleeve 52 and the second outer sleeve 54; a second mounting bracket 7 is installed on one side of the support beam 41.

[0025] In this embodiment, vibration and noise can be reduced by setting the shock-absorbing spring 55 and the shock-absorbing sleeve 56. At the same time, the second outer sleeve 54 is sleeved on the outside of the first outer sleeve 52 to protect the shock-absorbing spring 55 and the shock-absorbing sleeve 56 inside it. The end of the first connecting part 53 is connected to the vehicle cross beam 1 through the first rotating part 25, and the end of the second connecting part 57 is connected to the vehicle longitudinal beam 42 through the second rotating part 51. While buffering, the supporting force between the vehicle cross beam 1 and the frame assembly 4 is improved, the bearing capacity of the vehicle cross beam 1 is increased, the overall stiffness of the subframe is improved, and the deformation of the subframe under the action of impact force is reduced.

[0026] Embodiment 3: According to Figure 1 , Figure 2 and Figure 7 As shown, the other ends of the two support beams 41 are fixedly connected to the third mounting rod 43, one end of the support beam 41 is fixedly connected to the support plate 44 through the third mounting rod 43, a stabilizing plate 45 is installed between the two support plates 44, and the end of the stabilizing plate 45 is fixedly connected to the end of the third mounting rod 43; the fixing mechanism 3 includes a connecting plate 35, one side of the connecting plate 35 is installed on one side of the support plate 44, the first mounting rod 33 is installed at both ends of the connecting plate 35, and the first support arm 34 is installed outside the first mounting rod 33 One end of the first support arm 34 is fixedly connected to one end of the vehicle longitudinal beam 42; the outside of the two support plates 44 are clamped with connecting rods 32, both ends of the connecting rods 32 are fixedly connected to support rods 31, and one end of the support rod 31 is fixedly connected to one side of the support beam 41; one end of the vehicle longitudinal beam 42 is rotatably connected to the second support arm 38, and one end of the second support arm 38 is rotatably connected to the second mounting rod 36; a mounting hole 37 is opened on one side of the vehicle cross beam 1, and the inside of the mounting hole 37 is fixedly connected to the outside of the second mounting rod 36.

[0027] In this embodiment, the two support plates 44 are connected by a stabilizing plate 45, a support rod 31 is installed on the support beam 41, a connecting rod 32 is installed between the two support rods 31, the outer portion of the connecting rod 32 is clamped with one side of the support plate 44, and a connecting plate 35 is installed between the two support plates 44 to increase the lateral supporting force between the two support plates 44, and the first support arms 34 are connected to both ends of the connecting plate 35, the first support arms 34 are tilted, one end of the first support arms 34 is connected to the longitudinal beam 42 of the vehicle, and the second support arm 38 is connected to the cross beam 1 through the second mounting rod 36, so as to provide supporting force between the cross beam 1 and the frame assembly 4, and improve the rigid supporting effect of the cross beam 1, and two groups of mounting holes 37 are opened on the cross beam 1, and the number of mounting holes 37 in each group is two, and the position of the second mounting rod 36 is adjusted so that one end of the second support arm 38 is connected to different mounting holes 37, and the supporting angle of the second support arm 38 is changed, and the supporting force of the cross beam 1 can be slightly adjusted.

[0028] The method of use and working principle of the device are as follows: the reinforcing plate 21 is placed on the outside of the vehicle cross beam 1, and the positioning sleeve 23 is sleeved on the outside of the positioning rod 26 to position the reinforcing plate 21 and the vehicle cross beam 1, and the reinforcing plate 21 and the vehicle cross beam 1 are fixed by the fixing bolts 24, and an inner reinforcing plate 27 is arranged inside the reinforcing plate 21 to increase the strength of the reinforcing plate 21, and a plurality of outer reinforcing plates 22 are arranged outside the reinforcing plate 21 to improve the anti-distortion performance of the outer reinforcing plate 22, and the vehicle cross beam 1 is installed on the rear car through the first mounting bracket 6, and the shock-absorbing spring 55 and the shock-absorbing sleeve 56 are arranged to reduce vibration and noise, and at the same time, the second outer sleeve 54 is sleeved on the outside of the first outer sleeve 52 to protect the shock-absorbing spring 55 and the shock-absorbing sleeve 56 inside it, and the end of the first connecting part 53 is connected to the vehicle cross beam 1 through the first rotating part 25, and the end of the second connecting part 57 is connected to the vehicle longitudinal beam 4 through the second rotating part 51. 2 connection, increase the bearing capacity of the vehicle cross beam 1, the two support plates 44 are connected by a stabilizing plate 45, a support rod 31 is installed on the support beam 41, a connecting rod 32 is installed between the two support rods 31, the outer side of the connecting rod 32 is clamped with one side of the support plate 44, and a connecting plate 35 is installed between the two support plates 44 to improve the lateral supporting force between the two support plates 44, and the first support arms 34 are connected to both ends of the connecting plate 35. The first support arms 34 are tilted, one end of the first support arms 34 is connected to the vehicle longitudinal beam 42, and the second support arm 38 is connected to the vehicle cross beam 1 through the second mounting rod 36. A plurality of mounting holes 37 are opened on the vehicle cross beam 1. The position of the second mounting rod 36 is adjusted so that one end of the second support arm 38 is connected to different mounting holes 37. The inclination angle of the second support arm 38 changes, the vehicle cross beam 1 is supported, and the supporting force on the vehicle cross beam 1 is adjusted.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strength steel truck car rear subframe structure, comprising a vehicle cross beam (1), Features: A reinforcing mechanism (2) is installed on one side of the vehicle cross beam (1), a fixing mechanism (3) is installed on the other side of the vehicle cross beam (1), a frame assembly (4) is installed on one side of the fixing mechanism (3), and a stabilizing mechanism (5) is installed on the other side of the fixing mechanism (3), the reinforcing mechanism (2) comprises a reinforcing plate (21) and fixing bolts (24), the reinforcing plate (21) is arranged outside the vehicle cross beam (1), the reinforcing plate (21) and the vehicle cross beam (1) are connected via fixing bolts (24), an outer reinforcing plate (22) is fixedly connected to the outer side of the reinforcing plate (21), and a positioning sleeve (23) is fixedly connected to one side of the reinforcing plate (21). ), a positioning rod (26) is inserted into the interior of the positioning sleeve (23), one end of the positioning rod (26) is fixedly connected to one side of the vehicle cross beam (1), an inner reinforcing plate (27) is fixedly connected to the inner side of the reinforcing plate (21), one side of the inner reinforcing plate (27) overlaps one side of the vehicle cross beam (1), the reinforcing mechanism (2) is used to be installed on the outside of the vehicle cross beam (1) to increase the strength of the vehicle cross beam (1), the fixing mechanism (3) is used to connect two supporting beams (41) to provide supporting force for the vehicle cross beam (1), and the stabilizing mechanism (5) is used to increase the rigidity of the vehicle cross beam (1) and reduce the impact force between the vehicle cross beam (1) and the frame assembly (4).

2. A high-strength steel truck car rear subframe structure according to claim 1, Features: First mounting brackets (6) are provided at both ends of the vehicle cross beam (1).

3. A high-strength steel truck car rear subframe structure according to claim 1, Features: The frame assembly (4) comprises two support beams (41), one end of the two support beams (41) being fixedly connected to a longitudinal beam (42); the stabilizing mechanism (5) comprises a second rotating portion (51), one end of the second rotating portion (51) being mounted on one side of the longitudinal beam (42); the other end of the second rotating portion (51) being mounted with a second connecting portion (57); one end of the second connecting portion (57) being fixedly connected to a second outer sleeve (54); the interior of the second outer sleeve (54) being slidably connected to a first outer sleeve (52); one end of the first outer sleeve (52) being fixedly connected to a first connecting portion (53); one end of the first connecting portion (53) being mounted on one end of the first rotating portion (25).

4. A high-strength steel truck car rear subframe structure according to claim 3, Features: A shock-absorbing sleeve (56) is installed on one side of the second outer sleeve (54), one end of the shock-absorbing sleeve (56) is installed on one end of the first outer sleeve (52), a shock-absorbing spring (55) is sleeved on the outside of the shock-absorbing sleeve (56), and both ends of the shock-absorbing spring (55) are arranged between the first outer sleeve (52) and the second outer sleeve (54).

5. The high-strength steel truck car rear subframe structure according to claim 3, Features: A second mounting bracket (7) is mounted on one side of the support beam (41).

6. A high-strength steel truck car rear subframe structure according to claim 3, Features: The other ends of the two support beams (41) are fixedly connected to a third mounting rod (43), one end of the support beam (41) is fixedly connected to a support plate (44) via the third mounting rod (43), a stabilizing plate (45) is installed between the two support plates (44), and an end of the stabilizing plate (45) is fixedly connected to an end of the third mounting rod (43).

7. The high-strength steel truck car rear subframe structure according to claim 1, Features: The fixing mechanism (3) comprises a connecting plate (35), one side of the connecting plate (35) being mounted on one side of a supporting plate (44), both ends of the connecting plate (35) being mounted with first mounting rods (33), the outside of the first mounting rod (33) being mounted with a first supporting arm (34), one end of the first supporting arm (34) being fixedly connected to one end of a vehicle longitudinal beam (42).

8. The high-strength steel truck car rear subframe structure according to claim 6, Features: The outsides of the two support plates (44) are both clamped with connecting rods (32), both ends of the connecting rods (32) are fixedly connected to support rods (31), and one end of the support rod (31) is fixedly connected to one side of the support beam (41).

9. The high-strength steel truck car rear subframe structure according to claim 3, Features: One end of the vehicle longitudinal beam (42) is rotatably connected to a second support arm (38), and one end of the second support arm (38) is rotatably connected to a second mounting rod (36).

10. The high-strength steel truck car rear subframe structure according to claim 8, Features: A mounting hole (37) is provided on one side of the vehicle cross beam (1), and the interior of the mounting hole (37) is fixedly connected to the exterior of the second mounting rod (36).

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