Turnover shaft assembly, frame and operation machine

Abstract

The utility model relates to a turnover shaft assembly for an operation machine, a frame and the operation machine. The turnover shaft assembly includes a turnover shaft and first and second reinforcement brackets defining reinforcement cavities, respectively. The flip shaft includes first and second ends intended to pass through the first and second stringers, respectively. The first reinforcing support is connected to the first end of the turnover shaft in a sleeved mode and connected to the side, facing the second longitudinal beam, of the first longitudinal beam, and the second reinforcing support is connected to the second end of the turnover shaft in a sleeved mode and connected to the side, facing the first longitudinal beam, of the second longitudinal beam. According to the utility model, by reducing the extending size of the turnover shaft assembly on the outer side of the frame, the frame length limitation necessary for avoiding interference between the turnover shaft and a rear wheel tire and the like is omitted, and the length of the frame is effectively shortened, so that the weight of the frame is reduced, and the cost of the frame is reduced; in addition, the stroke of the lifting oil cylinder can be shortened by moving the overturning shaft assembly forwards so as to be matched with the lifting oil cylinder with the small specification, and the whole machine can be arranged more compactly.

Description

Technical Field

[0001] This utility model relates to the technical field of components for operating machinery, and in particular to a tilting shaft assembly for operating machinery, a frame including the tilting shaft assembly, and operating machinery including the tilting shaft assembly or the frame. Background Technology

[0002] Wide-body dump trucks are a common transportation tool in mining operations. They are often used in conjunction with other machinery such as excavators, loaders, and belt conveyors to form loading, transporting, and unloading production lines for earthwork, sand, gravel, and bulk materials. The cargo box of a wide-body dump truck is rotatably connected to the chassis via a tipping axle, and is tipped over by hydraulic equipment (such as lifting cylinders) located at the front of the cargo box.

[0003] In existing wide-body dump trucks, the width of the tipping axle in the lateral direction often exceeds the outer width of the two longitudinal beams of the dump truck frame. Furthermore, to maintain a safe distance between the tipping axle and the rear tires, the distance between the tipping axle and the lifting cylinder is also relatively long, resulting in an excessively long rear overhang, increasing the overall length and weight of the frame. Simultaneously, the lifting cylinder requires a large lifting force; if the cylinder stroke is long, a larger diameter cylinder must be selected, thus increasing the overall cost of the machine. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the above-mentioned problems and / or other problems existing in the prior art.

[0005] To achieve the above objectives, according to one aspect of the present invention, a tilting shaft assembly for a working machine is provided. The working machine includes a first longitudinal beam and a second longitudinal beam disposed opposite to each other. The tilting shaft assembly includes a tilting shaft and symmetrically arranged first and second reinforcing supports. The tilting shaft includes a first end and a second end intended to pass through the first and second longitudinal beams, respectively. The first and second reinforcing supports each define a reinforcing cavity. The first reinforcing support is sleeved on the first end of the tilting shaft and connected to the side of the first longitudinal beam facing the second longitudinal beam. The second reinforcing support is sleeved on the second end of the tilting shaft and connected to the side of the second longitudinal beam facing the first longitudinal beam.

[0006] According to one embodiment of the present invention, the first reinforcing bracket includes a first box-shaped member having a first opening and a first mounting plate closed at the first opening, and the second reinforcing bracket includes a second box-shaped member having a second opening and a second mounting plate closed at the second opening. The first reinforcing bracket and the second reinforcing bracket are respectively connected to the first longitudinal beam and the second longitudinal beam via the first mounting plate and the second mounting plate.

[0007] According to one embodiment of the present invention, the first box-shaped component includes a first bottom wall opposite to the first mounting plate and a first side wall connected to the first bottom wall, the second box-shaped component includes a second bottom wall opposite to the second mounting plate and a second side wall connected to the second bottom wall, the first end of the flipping shaft passes through the first bottom wall and the first mounting plate, and the second end of the flipping shaft passes through the second bottom wall and the second mounting plate.

[0008] According to one embodiment of the present invention, the first mounting plate includes a first outer peripheral portion extending out of the first sidewall and connected to the first longitudinal beam via the first outer peripheral portion; the second mounting plate includes a second outer peripheral portion extending out of the second sidewall and connected to the second longitudinal beam via the second outer peripheral portion.

[0009] According to one embodiment of the present invention, the flipping shaft assembly further includes a first reinforcing plate and a second reinforcing plate symmetrically arranged. The first reinforcing plate is connected to the outer side of the first longitudinal beam opposite to the first mounting plate of the first reinforcing bracket, and the second reinforcing plate is connected to the outer side of the second longitudinal beam opposite to the second mounting plate of the second reinforcing bracket.

[0010] According to one embodiment of the present invention, the first reinforcing plate is provided with a first extension portion corresponding to the first outer peripheral portion, and the second reinforcing plate is provided with a second extension portion corresponding to the second outer peripheral portion. A plurality of first fasteners pass through the corresponding first extension portion and the first outer peripheral portion to fix the first reinforcing plate and the first reinforcing bracket to the first longitudinal beam. A plurality of second fasteners pass through the corresponding second extension portion and the second outer peripheral portion to fix the second reinforcing plate and the second reinforcing bracket to the second longitudinal beam.

[0011] According to one embodiment of the present invention, the first reinforcing bracket includes a first support plate and a plurality of first reinforcing ribs arranged at intervals, the first support plate being connected to a first side wall of the first box-shaped member, and each first reinforcing rib extending between the first support plate and the first outer peripheral portion; the second reinforcing bracket includes a second support plate and a plurality of second reinforcing ribs arranged at intervals, the second support plate being connected to a second side wall of the second box-shaped member, and each second reinforcing rib extending between the second support plate and the second outer peripheral portion.

[0012] According to another aspect of the present invention, a frame is provided, the frame including a first longitudinal beam and a second longitudinal beam disposed opposite to each other, and a tilting shaft assembly as described above.

[0013] According to another aspect of the present invention, a working machine is provided, which includes the tilting shaft assembly or frame as described above.

[0014] According to one embodiment of the present invention, the operating machinery is a wide-body dump truck.

[0015] The tilting axle assembly of this invention includes a first and second reinforcing bracket, which are box-shaped and respectively define a reinforcing cavity. By placing the first and second reinforcing brackets in the box shape inside the frame defined by the first and second longitudinal beams, the size of the tilting axle extending outside the frame can be significantly reduced. This reduces the potential interference between the tilting axle and components on the outside of the frame, especially the rear tires, and lowers design limitations in terms of frame size (especially the longitudinal length of the frame). This allows for an effective reduction in frame length, thereby reducing frame weight and cost. Furthermore, this invention allows the tilting axle assembly to be moved forward along the first and second longitudinal beams, closer to the lifting cylinder located at the front of the frame. This reduces the lifting force required for tilting the cargo box and shortens the stroke of the lifting cylinder when tilting the cargo box to the same angle, allowing for the use of smaller lifting cylinders. Simultaneously, the forward movement of the tilting axle assembly shortens the longitudinal distance between it and the rear wheels of the working machine, resulting in a more compact overall layout. Attached Figure Description

[0016] The features and advantages of this utility model will become clear from the following detailed description provided with reference to the accompanying drawings. It should be understood that the following drawings are merely schematic and not necessarily drawn to scale, and therefore should not be considered as limitations on this utility model, wherein:

[0017] Figure 1 A perspective view of a vehicle frame according to an embodiment of the present invention is shown.

[0018] Figure 2 Show Figure 1 A perspective view of the chassis shown from another angle.

[0019] Figure 3 Show Figure 1 A perspective view of the tilting axle assembly of the chassis shown.

[0020] Figure 4 Show Figure 3 A perspective view of the second reinforcing bracket of the flip shaft assembly shown.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. First longitudinal beam; 2. Second longitudinal beam; 3. Tilting shaft; 31. First end; 32. Second end; 4. First reinforcing bracket; 41. First box-shaped component; 411. First bottom wall; 412. First side wall; 42. First mounting plate; 421. First outer perimeter portion; 43. First support plate; 44. First reinforcing rib; 5. Second reinforcing bracket; 51. Second box-shaped component; 511. Second bottom wall; 512. Second side wall; 52. Second mounting plate; 521. Second outer perimeter portion; 53. Second support plate; 54. Second reinforcing rib; 6. First reinforcing plate; 61. First extension portion; 7. Second reinforcing plate; 71. Second extension portion; 8. First fastener; 9. Second fastener. Detailed Implementation

[0023] Embodiments of the present invention are described below with reference to the accompanying drawings. In the following description, numerous specific details are set forth to enable those skilled in the art to more fully understand and implement the present invention. However, it will be apparent to those skilled in the art that implementations of the present invention may not include some of these specific details. Furthermore, it should be understood that the present invention is not limited to the specific embodiments described. Rather, the present invention can be conceived to be implemented with any combination of the features and elements described below, regardless of whether they relate to different embodiments. Therefore, the following aspects, features, embodiments, and advantages are for illustrative purposes only and should not be construed as elements or limitations of the claims unless expressly set forth in the claims.

[0024] The terms "first" and "second" are used below to describe the elements of this application. These terms are used only to distinguish the individual elements and not to limit the nature, order, or number of these elements. The terms "comprising" and "having" are used to indicate an open-ended inclusion and mean that there may be additional elements / components besides those listed.

[0025] Figure 1 and Figure 2 The frame of a work machine according to one embodiment of the present invention is shown. Figure 1 and Figure 2As shown, the frame according to this embodiment may include a first longitudinal beam 1 and a second longitudinal beam 2 arranged opposite to each other, a tilting shaft assembly disposed between the first longitudinal beam 1 and the second longitudinal beam 2, and a plurality of crossbeams connecting the first longitudinal beam 1 and the second longitudinal beam 2. The first longitudinal beam 1 and the second longitudinal beam 2 are spaced apart in a direction transverse to the travel direction of the working machinery (referred to as the "lateral direction"), and extend respectively along the travel direction of the working machinery (referred to as the "longitudinal direction"). A plurality of crossbeams are spaced apart between the first longitudinal beam 1 and the second longitudinal beam 2, each crossbeam extending transversely to the travel direction of the working machinery, thereby forming a frame structure with a closed frame structure via the first longitudinal beam 1, the second longitudinal beam 2, and the plurality of crossbeams spaced apart between the first longitudinal beam 1 and the second longitudinal beam 2. Through holes are respectively provided at the rear of the first longitudinal beam 1 and the second longitudinal beam 2. The tilting shaft assembly is generally disposed at the rear of the frame structure and passes through the through holes at the rear of the first longitudinal beam 1 and the second longitudinal beam 2. A cargo box is disposed above the frame structure, and two supports extend downward at the rear of the cargo box. The cargo box is rotatably connected to the tilting shaft assembly via the two brackets, through the front side of the cargo box ( Figure 1 and Figure 2 The lifting cylinder (shown on the side opposite to the tilting shaft assembly) can push the cargo box to rotate upward relative to the tilting shaft assembly.

[0026] Figure 3 The specific structure of the flip shaft assembly according to this embodiment is shown. (Reference) Figures 1 to 3 According to this embodiment, the flip shaft assembly may include a flip shaft 3, a first reinforcing bracket 4, and a second reinforcing bracket 5. The flip shaft 3 may be solid or substantially hollow, and may include a first end 31 passing through a through hole in the first longitudinal beam 1, a second end 32 passing through a through hole in the second longitudinal beam 2, and an intermediate portion connecting the first end 31 and the second end 32. The first reinforcing bracket 4 defines a reinforcing cavity, and the first reinforcing bracket 4 is sleeved on the first end 31 of the flip shaft 3 and connected to the side of the first longitudinal beam 1 facing the second longitudinal beam 2 (right side in the figure), such that the reinforcing cavity defined by the first reinforcing bracket 4 is located inside the frame. Correspondingly, the second reinforcing bracket 5 defines a reinforcing cavity, and the second reinforcing bracket 5 is sleeved on the second end 32 of the flip shaft 3 and connected to the side of the second longitudinal beam 2 facing the first longitudinal beam 1 (left side in the figure), such that the reinforcing cavity defined by the second reinforcing bracket 5 is also located inside the frame.

[0027] refer to Figure 3The first reinforcing bracket 4 may include a box-shaped member and a mounting plate, the box-shaped member being referred to herein as "first box-shaped member 41" and the mounting plate as "first mounting plate 42". The first box-shaped member 41 encloses an open reinforcing cavity and has an opening (not visible in the figure) referred to herein as "first opening" on its left side. The first mounting plate 42 closes the first opening to close the reinforcing cavity. Thus, the first reinforcing bracket 4 can be detachably connected to the first longitudinal beam 1 on the left side via the first mounting plate 42.

[0028] More specifically, the first box-shaped member 41 may include a bottom wall referred to herein as "first bottom wall 411" and a side wall referred to herein as "first side wall 412". The first bottom wall 411 is disposed opposite to the first mounting plate 42, and the first side wall 412 extends vertically from the first bottom wall 411 to the first mounting plate 42. Optionally, the cross-section of the first side wall 412 may be a regular or irregular polygon, and a smooth transition may be provided at the connection between the edges of its cross-section corresponding to the polygon, and a chamfer treatment may be made at the position corresponding to the crossbeam at the tail end to avoid the crossbeam. The first bottom wall 411 and the first mounting plate 42 are respectively provided with through holes for the first end 31 of the flip shaft 3 to pass through. Of course, in other embodiments, the first box-shaped member 41 may also include a first top wall disposed opposite to the first bottom wall 411, which is attached to the first mounting plate 42 and fixed by welding.

[0029] refer to Figures 1 to 3 The first mounting plate 42 may include an outer peripheral portion extending out of the first sidewall 412—referred to herein as the “first outer peripheral portion 421”—which may be detachably connected to the first longitudinal beam 1 via the first outer peripheral portion 421.

[0030] Optionally, the flip shaft assembly according to this embodiment may further include a reinforcing plate corresponding to the first reinforcing bracket 4—referred to herein as "first reinforcing plate 6". Figures 1 to 3 As shown, the first reinforcing plate 6 is attached to the outer side of the first longitudinal beam 1, that is, the side of the first longitudinal beam 1 that faces away from the second longitudinal beam 2 and away from the first mounting plate 42. Thus, the first longitudinal beam 1 can be sandwiched in the middle by the first reinforcing plate 6 and the first mounting plate 42, thereby increasing the connection strength between the flip shaft assembly and the first longitudinal beam 1 at the connection points on both sides.

[0031] Specifically, the first reinforcing plate 6 is provided with an extension portion extending outward in the circumferential direction—referred to herein as the "first extension portion 61". This first extension portion 61 can correspond to the first outer peripheral portion 421 of the first mounting plate 42 and is provided with a plurality of mounting holes—referred to herein as the "first outer mounting holes". The first outer peripheral portion 421 of the first mounting plate 42 is correspondingly provided with a plurality of mounting holes—referred to herein as the "first inner mounting holes". A plurality of fasteners (e.g., bolts) referred to herein as "first fasteners 8" can pass through the corresponding first outer mounting holes and first inner mounting holes one by one and be fastened by a plurality of mating fasteners (e.g., nuts) referred to herein as "first mating fasteners 9", thereby fixing the first reinforcing plate 6 and the first reinforcing bracket 4 to the first longitudinal beam 1.

[0032] In this embodiment, refer to Figure 3 As shown, the first reinforcing bracket 4 may further include a support plate and a plurality of reinforcing ribs, the support plate being referred to herein as "first support plate 43" and the reinforcing ribs as "first reinforcing ribs 44". The first support plate 43 may be connected to the bottom side of the first sidewall 412 of the first box-shaped member 41, for example, by welding. The plurality of first reinforcing ribs 44 are arranged at intervals and are all generally right-angled triangles. One straight edge of each first reinforcing rib 44 is welded to the bottom of the first support plate 43, and the other straight edge is welded to the lower part of the first outer peripheral portion 421 of the first mounting plate 42, thereby supporting the first box-shaped member 41 in the vertical direction together by the first support plate 43 and the plurality of first reinforcing ribs 44.

[0033] refer to Figure 3 and Figure 4 As shown, the second reinforcing bracket 5 may also include a box-shaped member and a mounting plate, the box-shaped member referred to herein as "second box-shaped member 51" and the mounting plate referred to herein as "second mounting plate 52". The second box-shaped member 51 encloses an open reinforcing cavity and has an opening on its right side referred to as "second opening". The second mounting plate 52 closes the second opening to close the reinforcing cavity. In this way, the second reinforcing bracket 5 can be detachably connected to the second longitudinal beam 2 on the right side via the second mounting plate 52.

[0034] More specifically, the second box-shaped member 51 may include a bottom wall referred to herein as "second bottom wall 511" and a side wall referred to herein as "second side wall 512". The second bottom wall 511 is disposed opposite to the second mounting plate 52, and the second side wall 512 extends vertically from the second bottom wall 511 to the second mounting plate 52. Optionally, the cross-section of the second side wall 512 may be a regular or irregular polygon, and a smooth transition may be provided at the connection between the edges of its cross-section corresponding to the polygon, and a chamfer treatment may be made at the position corresponding to the crossbeam at the tail end to avoid the crossbeam. The second bottom wall 511 and the second mounting plate 52 are respectively provided with through holes for the second end 32 of the flip shaft 3 to pass through. Of course, in other embodiments, the second box-shaped member 51 may also include a second top wall disposed opposite to the second bottom wall 511, which is attached to the second mounting plate 52 and fixed by welding.

[0035] refer to Figures 1 to 4 As shown, the second mounting plate 52 may include an outer peripheral portion extending out of the second sidewall 512—referred to herein as the "second outer peripheral portion 521". The second mounting plate 52 may be detachably connected to the second longitudinal beam 2 via the second outer peripheral portion 521.

[0036] Optionally, the flip shaft assembly according to this embodiment may further include a reinforcing plate corresponding to the second reinforcing bracket 5—referred to herein as "second reinforcing plate 7". Figures 1 to 3 As shown, the second reinforcing plate 7 is attached to the outer side of the second longitudinal beam 2, that is, the side of the second longitudinal beam 2 that faces away from the first longitudinal beam 1 and away from the second mounting plate 52. Thus, the second longitudinal beam 2 can be sandwiched in the middle by the second reinforcing plate 7 and the second mounting plate 52 to increase the connection strength between the flip shaft assembly and the second longitudinal beam 2 at the connection points on both sides.

[0037] Specifically, the second reinforcing plate 7 has a portion extending outward in the circumferential direction—referred to herein as the "second extension portion 71". This second extension portion 71 corresponds to the second outer peripheral portion 521 of the second mounting plate 52 and has multiple mounting holes—referred to herein as the "second outer mounting holes"—and the second outer peripheral portion 521 of the second mounting plate 52 correspondingly has multiple mounting holes—referred to herein as the "second inner mounting holes". Multiple fasteners (e.g., bolts) referred to as "second fasteners 9" can pass through the corresponding second outer mounting holes and second inner mounting holes one-to-one and be fastened via multiple mating fasteners (e.g., nuts) referred to herein as "second mating fasteners 9", thereby fixing the second reinforcing plate 7 and the second reinforcing bracket 5 to the second longitudinal beam 2.

[0038] In this embodiment, reference Figure 3 and Figure 4As shown, the second reinforcing bracket 5 may further include a support plate and a plurality of reinforcing ribs, the support plate being referred to herein as "second support plate 53" and the reinforcing ribs as "second reinforcing ribs 54". The second support plate 53 may be connected to the bottom side of the second sidewall 512 of the second box-shaped member 51, for example, by welding. The plurality of second reinforcing ribs 54 are arranged at intervals and are all generally right-angled triangles. One straight edge of each second reinforcing rib 54 is welded to the bottom of the second support plate 53, and the other straight edge is welded to the lower part of the second outer peripheral portion 521 of the second mounting plate 52, thereby supporting the second box-shaped member 51 in the vertical direction together by the second support plate 53 and the plurality of second reinforcing ribs 54.

[0039] This utility model also provides a working machine that includes the above-mentioned tipping axle assembly or frame. The working machine can be a wide-body dump truck.

[0040] Industrial applicability

[0041] The tilting shaft assembly of this invention is suitable for the chassis of operating machinery, especially wide-body dump trucks. However, it should be understood that the tilting shaft assembly of this invention can also be used in other equipment with cargo boxes that require tilting the cargo boxes for loading and unloading goods.

[0042] As described above, the tilting axle assembly of this invention includes a first reinforcing bracket 4 and a second reinforcing bracket 5 in the form of a box for supporting the tilting axle 3. By placing the first reinforcing bracket 4 and the second reinforcing bracket 5 inside the frame structure formed by the first longitudinal beam 1 and the second longitudinal beam 2 arranged opposite to each other, the portion of the tilting axle extending from both sides of the frame (i.e., the outer sides of the first and second longitudinal beams) can be significantly shortened. This eliminates the need for the frame to be designed to be sufficiently long, as in the prior art, to avoid interference between the tilting axle and external frame components such as the rear wheel tires. This effectively shortens the frame length, thereby reducing the frame weight and cost. Furthermore, the tilting axle assembly of this invention can be moved forward along the first longitudinal beam 1 and the second longitudinal beam 2 to be closer to the lifting cylinder located at the front of the frame. This reduces the lifting force required for tilting the cargo box and shortens the stroke of the lifting cylinder when tilting the cargo box to the same angle, allowing for the use of smaller lifting cylinders. Simultaneously, the forward movement of the tilting axle assembly shortens the distance between it and the rear wheels of the working machine, making the overall layout more compact.

[0043] Various modifications and variations can be made to the embodiments disclosed above without departing from the scope or spirit of this invention. Other embodiments of this invention will be apparent to those skilled in the art based on the practice of this invention disclosed in this specification. This specification and the examples disclosed herein should be considered illustrative only, and the true scope of this invention is defined by the appended claims and their equivalents.

Claims

1. A tilting shaft assembly for a working machine, the working machine comprising a first longitudinal beam (1) and a second longitudinal beam (2) arranged opposite to each other, characterized in that, The flip axis assembly includes: A flip shaft (3), the flip shaft comprising a first end (31) and a second end (32) intended to pass through the first longitudinal beam and the second longitudinal beam, respectively; and A first reinforcing bracket (4) and a second reinforcing bracket (5) are symmetrically arranged; The first reinforcing bracket and the second reinforcing bracket each define a reinforcing cavity. The first reinforcing bracket is sleeved on the first end of the flip shaft and connected to the side of the first longitudinal beam facing the second longitudinal beam. The second reinforcing bracket is sleeved on the second end of the flip shaft and connected to the side of the second longitudinal beam facing the first longitudinal beam.

2. The flip shaft assembly according to claim 1, characterized in that, The first reinforcing bracket (4) includes a first box-shaped member (41) with a first opening and a first mounting plate (42) closed at the first opening. The second reinforcing bracket (5) includes a second box-shaped member (51) with a second opening and a second mounting plate (52) closed at the second opening. The first reinforcing bracket and the second reinforcing bracket are respectively connected to the first longitudinal beam and the second longitudinal beam via the first mounting plate and the second mounting plate.

3. The flip shaft assembly according to claim 2, characterized in that, The first box-shaped member (41) includes a first bottom wall (411) opposite to the first mounting plate (42) and a first side wall (412) connected to the first bottom wall. The second box-shaped member (51) includes a second bottom wall (511) opposite to the second mounting plate (52) and a second side wall (512) connected to the second bottom wall. The first end (31) of the flip shaft (3) passes through the first bottom wall (411) and the first mounting plate (42), and the second end (32) of the flip shaft (3) passes through the second bottom wall (511) and the second mounting plate (52).

4. The flip shaft assembly according to claim 3, characterized in that, The first mounting plate (42) includes a first outer peripheral portion (421) extending out of the first sidewall (412) and connected to the first longitudinal beam (1) via the first outer peripheral portion; the second mounting plate (52) includes a second outer peripheral portion (521) extending out of the second sidewall (512) and connected to the second longitudinal beam (2) via the second outer peripheral portion.

5. The flip shaft assembly according to claim 4, characterized in that, The flip shaft assembly also includes a first reinforcing plate (6) and a second reinforcing plate (7) arranged symmetrically. The first reinforcing plate (6) is connected to the outside of the first mounting plate (42) of the first longitudinal beam (1) opposite to the first reinforcing bracket (4), and the second reinforcing plate (7) is connected to the outside of the second mounting plate (52) of the second longitudinal beam (2) opposite to the second reinforcing bracket (5).

6. The flip shaft assembly according to claim 5, characterized in that, The first reinforcing plate (6) is provided with a first extension portion (61) corresponding to the first outer peripheral portion (421), and the second reinforcing plate (7) is provided with a second extension portion (71) corresponding to the second outer peripheral portion (521); Multiple first fasteners (8) pass through corresponding first extension portions and first outer peripheral portions to secure the first reinforcing plate and the first reinforcing bracket to the first longitudinal beam, and multiple second fasteners (9) pass through corresponding second extension portions and second outer peripheral portions to secure the second reinforcing plate and the second reinforcing bracket to the second longitudinal beam.

7. The flip shaft assembly according to any one of claims 4 to 6, characterized in that, The first reinforcing bracket (4) includes a first support plate (43) and a plurality of first reinforcing ribs (44) arranged at intervals. The first support plate is connected to the first sidewall (412) of the first box-shaped member, and each first reinforcing rib extends between the first support plate (43) and the first outer peripheral portion (421). The second reinforcing bracket (5) includes a second support plate (53) and a plurality of second reinforcing ribs (54) arranged at intervals. The second support plate is connected to the second sidewall (512) of the second box-shaped member, and each second reinforcing rib extends between the second support plate (53) and the second outer peripheral portion (521).

8. A vehicle frame, characterized in that, The frame includes a first longitudinal beam (1) and a second longitudinal beam (2) arranged opposite to each other, and a tilting shaft assembly according to any one of claims 1 to 7.

9. A type of operating machinery, characterized in that, Includes the tilting shaft assembly according to any one of claims 1 to 7 or the frame according to claim 8.

10. The operating machinery according to claim 9, characterized in that, The operating machinery is a wide-body dump truck.

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